diff options
-rw-r--r-- | doc/clock.n | 5 | ||||
-rw-r--r-- | doc/tclvars.n | 4 | ||||
-rw-r--r-- | generic/tclClock.c | 39 | ||||
-rw-r--r-- | generic/tclCmdMZ.c | 12 | ||||
-rw-r--r-- | generic/tclExecute.c | 10 | ||||
-rw-r--r-- | generic/tclIO.c | 443 | ||||
-rw-r--r-- | generic/tclIO.h | 1 | ||||
-rw-r--r-- | generic/tclIOCmd.c | 32 | ||||
-rw-r--r-- | generic/tclIOGT.c | 137 | ||||
-rw-r--r-- | generic/tclIORChan.c | 297 | ||||
-rw-r--r-- | generic/tclInt.h | 19 | ||||
-rw-r--r-- | generic/tclIntPlatDecls.h | 8 | ||||
-rw-r--r-- | generic/tclStubInit.c | 18 | ||||
-rw-r--r-- | generic/tclThread.c | 8 | ||||
-rw-r--r-- | generic/tclThreadAlloc.c | 27 | ||||
-rw-r--r-- | generic/tclUtil.c | 2 | ||||
-rw-r--r-- | tests/chanio.test | 6 | ||||
-rw-r--r-- | tests/clock.test | 9 | ||||
-rw-r--r-- | tests/io.test | 18 | ||||
-rw-r--r-- | tests/ioCmd.test | 106 | ||||
-rw-r--r-- | tests/iogt.test | 52 | ||||
-rw-r--r-- | tests/socket.test | 35 | ||||
-rw-r--r-- | unix/Makefile.in | 10 | ||||
-rwxr-xr-x | unix/configure | 7 | ||||
-rw-r--r-- | unix/configure.in | 1 | ||||
-rw-r--r-- | unix/tcl.m4 | 4 | ||||
-rw-r--r-- | unix/tcl.pc.in | 14 | ||||
-rw-r--r-- | unix/tclUnixThrd.c | 1 | ||||
-rw-r--r-- | win/tclWinFCmd.c | 5 | ||||
-rw-r--r-- | win/tclWinFile.c | 15 | ||||
-rw-r--r-- | win/tclWinInit.c | 24 | ||||
-rw-r--r-- | win/tclWinPort.h | 9 | ||||
-rw-r--r-- | win/tclWinSock.c | 383 |
33 files changed, 1086 insertions, 675 deletions
diff --git a/doc/clock.n b/doc/clock.n index 7c4c3df..a0cc63e 100644 --- a/doc/clock.n +++ b/doc/clock.n @@ -626,8 +626,9 @@ On output, produces a locale-dependent time of day representation on a 12-hour clock. On input, accepts whatever \fB%r\fR produces. .TP \fB%R\fR -On output, produces a locale-dependent time of day representation on a -24-hour clock. On input, accepts whatever \fB%R\fR produces. +On output, the time in 24-hour notation (%H:%M). For a version +including the seconds, see \fB%T\fR below. On input, accepts whatever +\fB%R\fR produces. .TP \fB%s\fR On output, simply formats the \fItimeVal\fR argument as a decimal diff --git a/doc/tclvars.n b/doc/tclvars.n index b3e1bee..84823e0 100644 --- a/doc/tclvars.n +++ b/doc/tclvars.n @@ -284,8 +284,8 @@ was compiled with threads enabled. \fBuser\fR This identifies the current user based on the login information available on the platform. -This comes from the USER or LOGNAME environment variable on Unix, -and the value from GetUserName on Windows. +This value comes from the getuid() and getpwuid() system calls on Unix, +and the value from the GetUserName() system call on Windows. .TP \fBwordSize\fR This gives the size of the native-machine word in bytes (strictly, it diff --git a/generic/tclClock.c b/generic/tclClock.c index 5b95ae6..3ec94fb 100644 --- a/generic/tclClock.c +++ b/generic/tclClock.c @@ -548,19 +548,22 @@ ClockGetjuliandayfromerayearmonthdayObjCmd ( } dict = objv[1]; if (Tcl_DictObjGet(interp, dict, literals[LIT_ERA], &fieldPtr) != TCL_OK + || fieldPtr == NULL || Tcl_GetIndexFromObj(interp, fieldPtr, eras, "era", TCL_EXACT, &era) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_YEAR], - &fieldPtr) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_YEAR], &fieldPtr) != TCL_OK + || fieldPtr == NULL || TclGetIntFromObj(interp, fieldPtr, &(fields.year)) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_MONTH], - &fieldPtr) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_MONTH], &fieldPtr) != TCL_OK + || fieldPtr == NULL || TclGetIntFromObj(interp, fieldPtr, &(fields.month)) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_DAYOFMONTH], - &fieldPtr) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_DAYOFMONTH], &fieldPtr) != TCL_OK + || fieldPtr == NULL || TclGetIntFromObj(interp, fieldPtr, &(fields.dayOfMonth)) != TCL_OK || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { + if (fieldPtr == NULL) + Tcl_SetObjResult(interp, Tcl_NewStringObj("expected key(s) not found in dictionary", -1)); return TCL_ERROR; } fields.era = era; @@ -639,21 +642,21 @@ ClockGetjuliandayfromerayearweekdayObjCmd ( } dict = objv[1]; if (Tcl_DictObjGet(interp, dict, literals[LIT_ERA], &fieldPtr) != TCL_OK + || fieldPtr == NULL || Tcl_GetIndexFromObj(interp, fieldPtr, eras, "era", TCL_EXACT, &era) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_ISO8601YEAR], - &fieldPtr) != TCL_OK - || TclGetIntFromObj(interp, fieldPtr, - &(fields.iso8601Year)) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_ISO8601WEEK], - &fieldPtr) != TCL_OK - || TclGetIntFromObj(interp, fieldPtr, - &(fields.iso8601Week)) != TCL_OK - || Tcl_DictObjGet(interp, dict, literals[LIT_DAYOFWEEK], - &fieldPtr) != TCL_OK - || TclGetIntFromObj(interp, fieldPtr, - &(fields.dayOfWeek)) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_ISO8601YEAR], &fieldPtr) != TCL_OK + || fieldPtr == NULL + || TclGetIntFromObj(interp, fieldPtr, &(fields.iso8601Year)) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_ISO8601WEEK], &fieldPtr) != TCL_OK + || fieldPtr == NULL + || TclGetIntFromObj(interp, fieldPtr, &(fields.iso8601Week)) != TCL_OK + || Tcl_DictObjGet(interp, dict, literals[LIT_DAYOFWEEK], &fieldPtr) != TCL_OK + || fieldPtr == NULL + || TclGetIntFromObj(interp, fieldPtr, &(fields.dayOfWeek)) != TCL_OK || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { + if (fieldPtr == NULL) + Tcl_SetObjResult(interp, Tcl_NewStringObj("expected key(s) not found in dictionary", -1)); return TCL_ERROR; } fields.era = era; diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c index 6fd468c..70943e9 100644 --- a/generic/tclCmdMZ.c +++ b/generic/tclCmdMZ.c @@ -1345,7 +1345,7 @@ StringIndexCmd( * Unicode string rep to get the index'th char. */ - if (objv[1]->typePtr == &tclByteArrayType) { + if (TclIsPureByteArray(objv[1])) { const unsigned char *string = Tcl_GetByteArrayFromObj(objv[1], &length); @@ -2086,7 +2086,7 @@ StringRangeCmd( * Unicode string rep to get the range. */ - if (objv[1]->typePtr == &tclByteArrayType) { + if (TclIsPureByteArray(objv[1])) { string = Tcl_GetByteArrayFromObj(objv[1], &length); length--; } else { @@ -2537,8 +2537,8 @@ StringEqualCmd( return TCL_OK; } - if (!nocase && objv[0]->typePtr == &tclByteArrayType && - objv[1]->typePtr == &tclByteArrayType) { + if (!nocase && TclIsPureByteArray(objv[0]) && + TclIsPureByteArray(objv[1])) { /* * Use binary versions of comparisons since that won't cause undue * type conversions and it is much faster. Only do this if we're @@ -2684,8 +2684,8 @@ StringCmpCmd( return TCL_OK; } - if (!nocase && objv[0]->typePtr == &tclByteArrayType && - objv[1]->typePtr == &tclByteArrayType) { + if (!nocase && TclIsPureByteArray(objv[0]) && + TclIsPureByteArray(objv[1])) { /* * Use binary versions of comparisons since that won't cause undue * type conversions and it is much faster. Only do this if we're diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 2e396e8..c4f9836 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -4235,8 +4235,8 @@ TclExecuteByteCode( */ iResult = s1len = s2len = 0; - } else if ((valuePtr->typePtr == &tclByteArrayType) - && (value2Ptr->typePtr == &tclByteArrayType)) { + } else if (TclIsPureByteArray(valuePtr) + && TclIsPureByteArray(value2Ptr)) { s1 = (char *) Tcl_GetByteArrayFromObj(valuePtr, &s1len); s2 = (char *) Tcl_GetByteArrayFromObj(value2Ptr, &s2len); iResult = memcmp(s1, s2, @@ -4354,7 +4354,7 @@ TclExecuteByteCode( * use the Unicode string rep to get the index'th char. */ - if (valuePtr->typePtr == &tclByteArrayType) { + if (TclIsPureByteArray(valuePtr)) { bytes = (char *)Tcl_GetByteArrayFromObj(valuePtr, &length); } else { /* @@ -4370,7 +4370,7 @@ TclExecuteByteCode( } if ((index >= 0) && (index < length)) { - if (valuePtr->typePtr == &tclByteArrayType) { + if (TclIsPureByteArray(valuePtr)) { objResultPtr = Tcl_NewByteArrayObj((unsigned char *) (&bytes[index]), 1); } else if (valuePtr->bytes && length == valuePtr->length) { @@ -4422,7 +4422,7 @@ TclExecuteByteCode( ustring2 = Tcl_GetUnicodeFromObj(value2Ptr, &length2); match = TclUniCharMatch(ustring1, length1, ustring2, length2, nocase); - } else if ((valuePtr->typePtr == &tclByteArrayType) && !nocase) { + } else if (TclIsPureByteArray(valuePtr) && !nocase) { unsigned char *string1, *string2; int length1, length2; diff --git a/generic/tclIO.c b/generic/tclIO.c index a62f80e..41f555b 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -164,6 +164,9 @@ typedef struct CloseCallback { */ static ChannelBuffer * AllocChannelBuffer(int length); +static void PreserveChannelBuffer(ChannelBuffer *bufPtr); +static void ReleaseChannelBuffer(ChannelBuffer *bufPtr); +static int IsShared(ChannelBuffer *bufPtr); static void ChannelTimerProc(ClientData clientData); static int ChanRead(Channel *chanPtr, char *dst, int dstSize); static int CheckChannelErrors(ChannelState *statePtr, @@ -296,6 +299,7 @@ static int WillRead(Channel *chanPtr); #define SetFlag(statePtr, flag) ((statePtr)->flags |= (flag)) #define ResetFlag(statePtr, flag) ((statePtr)->flags &= ~(flag)) +#define GotFlag(statePtr, flag) ((statePtr)->flags & (flag)) /* * Macro for testing whether a string (in optionName, length len) matches a @@ -347,25 +351,24 @@ static Tcl_ObjType chanObjType = { * * ChanRead -- * - * Read up to dstsize bytes using the inputProc of chanPtr, store + * Read up to dstSize bytes using the inputProc of chanPtr, store * them at dst, and return the number of bytes stored. * * Results: - * The return value of the driver inputProc, - * - number of bytes stored at dst, or + * The return value of the driver inputProc, + * - number of bytes stored at dst, ot * - -1 on error, with a Posix error code available to the * caller by calling Tcl_GetErrno(). * * Side effects: - * The CHANNEL_BLOCKED and CHANNEL_EOF flags of the channel - * state are set as appropriate. - * On EOF, the inputEncodingFlags are set to perform ending - * operations on decoding. + * The CHANNEL_BLOCKED and CHANNEL_EOF flags of the channel state are + * set as appropriate. + * On EOF, the inputEncodingFlags are set to perform ending operations + * on decoding. * TODO - Is this really the right place for that? * *--------------------------------------------------------------------------- */ - static int ChanRead( Channel *chanPtr, @@ -376,7 +379,7 @@ ChanRead( /* * If the caller asked for zero bytes, we'd force the inputProc - * to return zero bytes, and then misinterpret that as EOF + * to return zero bytes, and then misinterpret that as EOF. */ assert(dstSize > 0); @@ -387,12 +390,14 @@ ChanRead( bytesRead = chanPtr->typePtr->inputProc(chanPtr->instanceData, dst, dstSize, &result); + /* Stop any flag leakage through stacked channel levels */ + ResetFlag(chanPtr->state, CHANNEL_BLOCKED | CHANNEL_EOF); if (bytesRead > 0) { /* - * If we get a short read, signal up that we may be BLOCKED. We should - * avoid calling the driver because on some platforms we will block in - * the low level reading code even though the channel is set into - * nonblocking mode. + * If we get a short read, signal up that we may be BLOCKED. + * We should avoid calling the driver because on some + * platforms we will block in the low level reading code even + * though the channel is set into nonblocking mode. */ if (bytesRead < dstSize) { @@ -401,7 +406,7 @@ ChanRead( } else if (bytesRead == 0) { SetFlag(chanPtr->state, CHANNEL_EOF); chanPtr->state->inputEncodingFlags |= TCL_ENCODING_END; - } else { /* bytesRead < 0 */ + } else if (bytesRead < 0) { if ((result == EWOULDBLOCK) || (result == EAGAIN)) { SetFlag(chanPtr->state, CHANNEL_BLOCKED); result = EAGAIN; @@ -511,7 +516,7 @@ TclFinalizeIOSubsystem(void) statePtr != NULL; statePtr = statePtr->nextCSPtr) { chanPtr = statePtr->topChanPtr; - if (!(statePtr->flags & (CHANNEL_INCLOSE|CHANNEL_CLOSED|CHANNEL_DEAD))) { + if (!GotFlag(statePtr, CHANNEL_INCLOSE|CHANNEL_CLOSED|CHANNEL_DEAD)) { active = 1; break; } @@ -608,6 +613,7 @@ Tcl_SetStdChannel( int type) /* One of TCL_STDIN, TCL_STDOUT, TCL_STDERR. */ { ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); + switch (type) { case TCL_STDIN: tsdPtr->stdinInitialized = 1; @@ -724,11 +730,9 @@ Tcl_CreateCloseHandler( ClientData clientData) /* Arbitrary data to pass to the close * callback. */ { - ChannelState *statePtr; + ChannelState *statePtr = ((Channel *) chan)->state; CloseCallback *cbPtr; - statePtr = ((Channel *) chan)->state; - cbPtr = (CloseCallback *) ckalloc(sizeof(CloseCallback)); cbPtr->proc = proc; cbPtr->clientData = clientData; @@ -764,10 +768,9 @@ Tcl_DeleteCloseHandler( ClientData clientData) /* The callback data for the callback to * remove. */ { - ChannelState *statePtr; + ChannelState *statePtr = ((Channel *) chan)->state; CloseCallback *cbPtr, *cbPrevPtr; - statePtr = ((Channel *) chan)->state; for (cbPtr = statePtr->closeCbPtr, cbPrevPtr = NULL; cbPtr != NULL; cbPtr = cbPtr->nextPtr) { if ((cbPtr->proc == proc) && (cbPtr->clientData == clientData)) { @@ -921,7 +924,7 @@ DeleteChannelTable( SetFlag(statePtr, CHANNEL_TAINTED); statePtr->refCount--; if (statePtr->refCount <= 0) { - if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) { + if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { (void) Tcl_Close(interp, (Tcl_Channel) chanPtr); } } @@ -1112,7 +1115,7 @@ Tcl_UnregisterChannel( statePtr = ((Channel *) chan)->state->bottomChanPtr->state; - if (statePtr->flags & CHANNEL_INCLOSE) { + if (GotFlag(statePtr, CHANNEL_INCLOSE)) { if (interp != NULL) { Tcl_AppendResult(interp, "Illegal recursive call to close " "through close-handler of channel", NULL); @@ -1151,12 +1154,12 @@ Tcl_UnregisterChannel( SetFlag(statePtr, BUFFER_READY); } Tcl_Preserve((ClientData)statePtr); - if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) { + if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { /* * We don't want to re-enter Tcl_Close(). */ - if (!(statePtr->flags & CHANNEL_CLOSED)) { + if (!GotFlag(statePtr, CHANNEL_CLOSED)) { if (Tcl_Close(interp, chan) != TCL_OK) { SetFlag(statePtr, CHANNEL_CLOSED); Tcl_Release((ClientData)statePtr); @@ -1365,7 +1368,7 @@ Tcl_GetChannel( chanPtr = Tcl_GetHashValue(hPtr); chanPtr = chanPtr->state->bottomChanPtr; if (modePtr != NULL) { - *modePtr = (chanPtr->state->flags & (TCL_READABLE|TCL_WRITABLE)); + *modePtr = GotFlag(chanPtr->state, TCL_READABLE|TCL_WRITABLE); } return (Tcl_Channel) chanPtr; @@ -1413,7 +1416,7 @@ TclGetChannelFromObj( *channelPtr = (Tcl_Channel) (statePtr->bottomChanPtr); if (modePtr != NULL) { - *modePtr = (statePtr->flags & (TCL_READABLE|TCL_WRITABLE)); + *modePtr = GotFlag(statePtr, TCL_READABLE|TCL_WRITABLE); } return TCL_OK; @@ -1676,7 +1679,7 @@ Tcl_StackChannel( * --+---+---+---+----+ */ - if ((mask & (statePtr->flags & (TCL_READABLE | TCL_WRITABLE))) == 0) { + if ((mask & (GotFlag(statePtr, TCL_READABLE | TCL_WRITABLE))) == 0) { if (interp) { Tcl_AppendResult(interp, "reading and writing both disallowed for channel \"", @@ -1693,15 +1696,16 @@ Tcl_StackChannel( */ if ((mask & TCL_WRITABLE) != 0) { - CopyState *csPtrR; - CopyState *csPtrW; + CopyState *csPtrR = statePtr->csPtrR; + CopyState *csPtrW = statePtr->csPtrW; - csPtrR = statePtr->csPtrR; statePtr->csPtrR = NULL; - - csPtrW = statePtr->csPtrW; statePtr->csPtrW = NULL; + /* + * TODO: Examine what can go wrong if Tcl_Flush() call disturbs + * the stacking state of this channel during its operations. + */ if (Tcl_Flush((Tcl_Channel) prevChanPtr) != TCL_OK) { statePtr->csPtrR = csPtrR; statePtr->csPtrW = csPtrW; @@ -1834,6 +1838,13 @@ Tcl_UnstackChannel( * structure. */ + /* + * TODO: Figure out how to handle the situation where the chan + * operations called below by this unstacking operation cause + * another unstacking recursively. In that case the downChanPtr + * value we're holding on to will not be the right thing. + */ + Channel *downChanPtr = chanPtr->downChanPtr; /* @@ -1844,14 +1855,11 @@ Tcl_UnstackChannel( * CheckForChannelErrors inside. */ - if (statePtr->flags & TCL_WRITABLE) { - CopyState *csPtrR; - CopyState *csPtrW; + if (GotFlag(statePtr, TCL_WRITABLE)) { + CopyState *csPtrR = statePtr->csPtrR; + CopyState *csPtrW = statePtr->csPtrW; - csPtrR = statePtr->csPtrR; statePtr->csPtrR = NULL; - - csPtrW = statePtr->csPtrW; statePtr->csPtrW = NULL; if (Tcl_Flush((Tcl_Channel) chanPtr) != TCL_OK) { @@ -1888,16 +1896,14 @@ Tcl_UnstackChannel( * 'DiscardInputQueued' on that. */ - if ((((statePtr->flags & TCL_READABLE) != 0)) && + if (GotFlag(statePtr, TCL_READABLE) && ((statePtr->inQueueHead != NULL) || (chanPtr->inQueueHead != NULL))) { - if ((statePtr->inQueueHead != NULL) && (chanPtr->inQueueHead != NULL)) { statePtr->inQueueTail->nextPtr = chanPtr->inQueueHead; statePtr->inQueueTail = chanPtr->inQueueTail; statePtr->inQueueHead = statePtr->inQueueTail; - } else if (chanPtr->inQueueHead != NULL) { statePtr->inQueueHead = chanPtr->inQueueHead; statePtr->inQueueTail = chanPtr->inQueueTail; @@ -1954,7 +1960,7 @@ Tcl_UnstackChannel( */ Tcl_EventuallyFree(chanPtr, TCL_DYNAMIC); - UpdateInterest(downChanPtr); + UpdateInterest(statePtr->topChanPtr); if (result != 0) { Tcl_SetErrno(result); @@ -2157,7 +2163,7 @@ Tcl_GetChannelMode( ChannelState *statePtr = ((Channel *) chan)->state; /* State of actual channel. */ - return (statePtr->flags & (TCL_READABLE | TCL_WRITABLE)); + return GotFlag(statePtr, TCL_READABLE | TCL_WRITABLE); } /* @@ -2268,8 +2274,33 @@ AllocChannelBuffer( bufPtr->nextRemoved = BUFFER_PADDING; bufPtr->bufLength = length + BUFFER_PADDING; bufPtr->nextPtr = NULL; + bufPtr->refCount = 1; return bufPtr; } + +static void +PreserveChannelBuffer( + ChannelBuffer *bufPtr) +{ + bufPtr->refCount++; +} + +static void +ReleaseChannelBuffer( + ChannelBuffer *bufPtr) +{ + if (--bufPtr->refCount) { + return; + } + ckfree((char *) bufPtr); +} + +static int +IsShared( + ChannelBuffer *bufPtr) +{ + return bufPtr->refCount > 1; +} /* *---------------------------------------------------------------------- @@ -2300,9 +2331,12 @@ RecycleBuffer( /* * Do we have to free the buffer to the OS? */ + if (IsShared(bufPtr)) { + mustDiscard = 1; + } if (mustDiscard) { - ckfree((char *) bufPtr); + ReleaseChannelBuffer(bufPtr); return; } @@ -2313,7 +2347,7 @@ RecycleBuffer( */ if ((bufPtr->bufLength - BUFFER_PADDING) != statePtr->bufSize) { - ckfree((char *) bufPtr); + ReleaseChannelBuffer(bufPtr); return; } @@ -2321,7 +2355,7 @@ RecycleBuffer( * Only save buffers for the input queue if the channel is readable. */ - if (statePtr->flags & TCL_READABLE) { + if (GotFlag(statePtr, TCL_READABLE)) { if (statePtr->inQueueHead == NULL) { statePtr->inQueueHead = bufPtr; statePtr->inQueueTail = bufPtr; @@ -2337,7 +2371,7 @@ RecycleBuffer( * Only save buffers for the output queue if the channel is writable. */ - if (statePtr->flags & TCL_WRITABLE) { + if (GotFlag(statePtr, TCL_WRITABLE)) { if (statePtr->curOutPtr == NULL) { statePtr->curOutPtr = bufPtr; goto keepBuffer; @@ -2348,7 +2382,7 @@ RecycleBuffer( * If we reached this code we return the buffer to the OS. */ - ckfree((char *) bufPtr); + ReleaseChannelBuffer(bufPtr); return; keepBuffer: @@ -2410,7 +2444,7 @@ CheckForDeadChannel( Tcl_Interp *interp, /* For error reporting (can be NULL) */ ChannelState *statePtr) /* The channel state to check. */ { - if (statePtr->flags & CHANNEL_DEAD) { + if (GotFlag(statePtr, CHANNEL_DEAD)) { Tcl_SetErrno(EINVAL); if (interp) { Tcl_AppendResult(interp, @@ -2486,7 +2520,7 @@ FlushChannel( if (((statePtr->curOutPtr != NULL) && IsBufferFull(statePtr->curOutPtr)) - || ((statePtr->flags & BUFFER_READY) && + || (GotFlag(statePtr, BUFFER_READY) && (statePtr->outQueueHead == NULL))) { ResetFlag(statePtr, BUFFER_READY); statePtr->curOutPtr->nextPtr = NULL; @@ -2505,8 +2539,7 @@ FlushChannel( * is active, we just return without producing any output. */ - if ((!calledFromAsyncFlush) && - (statePtr->flags & BG_FLUSH_SCHEDULED)) { + if (!calledFromAsyncFlush && GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { return 0; } @@ -2522,6 +2555,7 @@ FlushChannel( * Produce the output on the channel. */ + PreserveChannelBuffer(bufPtr); toWrite = BytesLeft(bufPtr); if (toWrite == 0) { written = 0; @@ -2543,6 +2577,7 @@ FlushChannel( if (errorCode == EINTR) { errorCode = 0; + ReleaseChannelBuffer(bufPtr); continue; } @@ -2559,11 +2594,12 @@ FlushChannel( * it's a tty channel (dup'ed underneath) */ - if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) { + if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { SetFlag(statePtr, BG_FLUSH_SCHEDULED); UpdateInterest(chanPtr); } errorCode = 0; + ReleaseChannelBuffer(bufPtr); break; } @@ -2631,6 +2667,7 @@ FlushChannel( */ DiscardOutputQueued(statePtr); + ReleaseChannelBuffer(bufPtr); continue; } else { wroteSome = 1; @@ -2649,6 +2686,7 @@ FlushChannel( } RecycleBuffer(statePtr, bufPtr, 0); } + ReleaseChannelBuffer(bufPtr); } /* Closes "while (1)". */ /* @@ -2658,7 +2696,7 @@ FlushChannel( * data has been flushed at the system level. */ - if (statePtr->flags & BG_FLUSH_SCHEDULED) { + if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { if (wroteSome) { return errorCode; } else if (statePtr->outQueueHead == NULL) { @@ -2674,7 +2712,7 @@ FlushChannel( * current output buffer. */ - if ((statePtr->flags & CHANNEL_CLOSED) && (statePtr->refCount <= 0) && + if (GotFlag(statePtr, CHANNEL_CLOSED) && (statePtr->refCount <= 0) && (statePtr->outQueueHead == NULL) && ((statePtr->curOutPtr == NULL) || IsBufferEmpty(statePtr->curOutPtr))) { @@ -2733,7 +2771,7 @@ CloseChannel( */ if (statePtr->curOutPtr != NULL) { - ckfree((char *) statePtr->curOutPtr); + ReleaseChannelBuffer(statePtr->curOutPtr); statePtr->curOutPtr = NULL; } @@ -2750,7 +2788,7 @@ CloseChannel( * device. */ - if ((statePtr->outEofChar != 0) && (statePtr->flags & TCL_WRITABLE)) { + if ((statePtr->outEofChar != 0) && GotFlag(statePtr, TCL_WRITABLE)) { int dummy; char c = (char) statePtr->outEofChar; @@ -3155,7 +3193,7 @@ Tcl_Close( Tcl_Panic("called Tcl_Close on channel with refCount > 0"); } - if (statePtr->flags & CHANNEL_INCLOSE) { + if (GotFlag(statePtr, CHANNEL_INCLOSE)) { if (interp) { Tcl_AppendResult(interp, "Illegal recursive call to close " "through close-handler of channel", NULL); @@ -3171,7 +3209,8 @@ Tcl_Close( stickyError = 0; - if ((statePtr->encoding != NULL) && (statePtr->curOutPtr != NULL) + if ((statePtr->encoding != NULL) + && !(statePtr->outputEncodingFlags & TCL_ENCODING_START) && (CheckChannelErrors(statePtr, TCL_WRITABLE) == 0)) { statePtr->outputEncodingFlags |= TCL_ENCODING_END; if (WriteChars(chanPtr, "", 0) < 0) { @@ -3261,7 +3300,17 @@ Tcl_Close( Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_PosixError(interp), -1)); } - flushcode = -1; + return TCL_ERROR; + } + /* + * Bug 97069ea11a: set error message if a flush code is set and no error + * message set up to now. + */ + if (flushcode != 0 && interp != NULL + && 0 == Tcl_GetCharLength(Tcl_GetObjResult(interp)) ) { + Tcl_SetErrno(flushcode); + Tcl_SetObjResult(interp, + Tcl_NewStringObj(Tcl_PosixError(interp), -1)); } if ((flushcode != 0) || (result != 0)) { return TCL_ERROR; @@ -3608,6 +3657,12 @@ static void WillWrite(Channel *chanPtr) static int WillRead(Channel *chanPtr) { + if (chanPtr->typePtr == NULL) { + /* Prevent read attempts on a closed channel */ + DiscardInputQueued(chanPtr->state, 0); + Tcl_SetErrno(EINVAL); + return -1; + } if ((chanPtr->typePtr->seekProc != NULL) && (Tcl_OutputBuffered((Tcl_Channel) chanPtr) > 0)) { if ((chanPtr->state->curOutPtr != NULL) @@ -3664,7 +3719,7 @@ Write( endEncoding = ((statePtr->outputEncodingFlags & TCL_ENCODING_END) != 0); - if ((statePtr->flags & CHANNEL_LINEBUFFERED) + if (GotFlag(statePtr, CHANNEL_LINEBUFFERED) || (statePtr->outputTranslation != TCL_TRANSLATE_LF)) { nextNewLine = memchr(src, '\n', srcLen); } @@ -3694,6 +3749,7 @@ Write( bufPtr->nextAdded += saved; saved = 0; } + PreserveChannelBuffer(bufPtr); dst = InsertPoint(bufPtr); dstLen = SpaceLeft(bufPtr); @@ -3707,6 +3763,7 @@ Write( if ((result != TCL_OK) && (srcRead + dstWrote == 0)) { /* We're reading from invalid/incomplete UTF-8 */ + ReleaseChannelBuffer(bufPtr); if (total == 0) { Tcl_SetErrno(EINVAL); return -1; @@ -3781,6 +3838,7 @@ Write( if (IsBufferFull(bufPtr)) { if (FlushChannel(NULL, chanPtr, 0) != 0) { + ReleaseChannelBuffer(bufPtr); return -1; } flushed += statePtr->bufSize; @@ -3788,9 +3846,10 @@ Write( needNlFlush = 0; } } + ReleaseChannelBuffer(bufPtr); } - if ((flushed < total) && (statePtr->flags & CHANNEL_UNBUFFERED || - (needNlFlush && statePtr->flags & CHANNEL_LINEBUFFERED))) { + if ((flushed < total) && (GotFlag(statePtr, CHANNEL_UNBUFFERED) || + (needNlFlush && GotFlag(statePtr, CHANNEL_LINEBUFFERED)))) { SetFlag(statePtr, BUFFER_READY); if (FlushChannel(NULL, chanPtr, 0) != 0) { return -1; @@ -3902,6 +3961,7 @@ Tcl_GetsObj( */ chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); bufPtr = statePtr->inQueueHead; encoding = statePtr->encoding; @@ -4034,7 +4094,7 @@ Tcl_GetsObj( case TCL_TRANSLATE_AUTO: eol = dst; skip = 1; - if (statePtr->flags & INPUT_SAW_CR) { + if (GotFlag(statePtr, INPUT_SAW_CR)) { ResetFlag(statePtr, INPUT_SAW_CR); if ((eol < dstEnd) && (*eol == '\n')) { /* @@ -4102,7 +4162,7 @@ Tcl_GetsObj( SetFlag(statePtr, CHANNEL_EOF | CHANNEL_STICKY_EOF); statePtr->inputEncodingFlags |= TCL_ENCODING_END; } - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { skip = 0; eol = dstEnd; if (eol == objPtr->bytes + oldLength) { @@ -4130,6 +4190,17 @@ Tcl_GetsObj( */ gotEOL: + /* + * Regenerate the top channel, in case it was changed due to + * self-modifying reflected transforms. + */ + + if (chanPtr != statePtr->topChanPtr) { + Tcl_Release(chanPtr); + chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); + } + bufPtr = gs.bufPtr; if (bufPtr == NULL) { Tcl_Panic("Tcl_GetsObj: gotEOL reached with bufPtr==NULL"); @@ -4158,13 +4229,22 @@ Tcl_GetsObj( */ restore: + /* + * Regenerate the top channel, in case it was changed due to + * self-modifying reflected transforms. + */ + if (chanPtr != statePtr->topChanPtr) { + Tcl_Release(chanPtr); + chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); + } bufPtr = statePtr->inQueueHead; - if (bufPtr == NULL) { - Tcl_Panic("Tcl_GetsObj: restore reached with bufPtr==NULL"); + if (bufPtr != NULL) { + bufPtr->nextRemoved = oldRemoved; + bufPtr = bufPtr->nextPtr; } - bufPtr->nextRemoved = oldRemoved; - for (bufPtr = bufPtr->nextPtr; bufPtr != NULL; bufPtr = bufPtr->nextPtr) { + for ( ; bufPtr != NULL; bufPtr = bufPtr->nextPtr) { bufPtr->nextRemoved = BUFFER_PADDING; } CommonGetsCleanup(chanPtr); @@ -4193,7 +4273,17 @@ Tcl_GetsObj( */ done: + /* + * Regenerate the top channel, in case it was changed due to + * self-modifying reflected transforms. + */ + if (chanPtr != statePtr->topChanPtr) { + Tcl_Release(chanPtr); + chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); + } UpdateInterest(chanPtr); + Tcl_Release(chanPtr); return copiedTotal; } @@ -4239,6 +4329,7 @@ TclGetsObjBinary( */ chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); bufPtr = statePtr->inQueueHead; @@ -4282,8 +4373,8 @@ TclGetsObjBinary( * device. Side effect is to allocate another channel buffer. */ - if (statePtr->flags & CHANNEL_BLOCKED) { - if (statePtr->flags & CHANNEL_NONBLOCKING) { + if (GotFlag(statePtr, CHANNEL_BLOCKED)) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) { goto restore; } ResetFlag(statePtr, CHANNEL_BLOCKED); @@ -4292,6 +4383,9 @@ TclGetsObjBinary( goto restore; } bufPtr = statePtr->inQueueTail; + if (bufPtr == NULL) { + goto restore; + } } dst = (unsigned char *) RemovePoint(bufPtr); @@ -4334,7 +4428,7 @@ TclGetsObjBinary( SetFlag(statePtr, CHANNEL_EOF | CHANNEL_STICKY_EOF); statePtr->inputEncodingFlags |= TCL_ENCODING_END; } - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { skip = 0; eol = dstEnd; if ((dst == dstEnd) && (byteLen == oldLength)) { @@ -4404,12 +4498,12 @@ TclGetsObjBinary( restore: bufPtr = statePtr->inQueueHead; - if (bufPtr == NULL) { - Tcl_Panic("TclGetsObjBinary: restore reached with bufPtr==NULL"); + if (bufPtr) { + bufPtr->nextRemoved = oldRemoved; + bufPtr = bufPtr->nextPtr; } - bufPtr->nextRemoved = oldRemoved; - for (bufPtr = bufPtr->nextPtr; bufPtr != NULL; bufPtr = bufPtr->nextPtr) { + for ( ; bufPtr != NULL; bufPtr = bufPtr->nextPtr) { bufPtr->nextRemoved = BUFFER_PADDING; } CommonGetsCleanup(chanPtr); @@ -4438,6 +4532,7 @@ TclGetsObjBinary( done: UpdateInterest(chanPtr); + Tcl_Release(chanPtr); return copiedTotal; } @@ -4548,8 +4643,8 @@ FilterInputBytes( */ read: - if (statePtr->flags & CHANNEL_BLOCKED) { - if (statePtr->flags & CHANNEL_NONBLOCKING) { + if (GotFlag(statePtr, CHANNEL_BLOCKED)) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) { gsPtr->charsWrote = 0; gsPtr->rawRead = 0; return -1; @@ -4563,6 +4658,11 @@ FilterInputBytes( } bufPtr = statePtr->inQueueTail; gsPtr->bufPtr = bufPtr; + if (bufPtr == NULL) { + gsPtr->charsWrote = 0; + gsPtr->rawRead = 0; + return -1; + } } /* @@ -4628,7 +4728,7 @@ FilterInputBytes( * returning those UTF-8 characters because a EOL might be * present in them. */ - } else if (statePtr->flags & CHANNEL_EOF) { + } else if (GotFlag(statePtr, CHANNEL_EOF)) { /* * There was a partial character followed by EOF on the * device. Fall through, returning that nothing was found. @@ -4650,7 +4750,7 @@ FilterInputBytes( statePtr->inQueueTail = nextPtr; } extra = rawLen - gsPtr->rawRead; - memcpy(nextPtr->buf + BUFFER_PADDING - extra, + memcpy(nextPtr->buf + (BUFFER_PADDING - extra), raw + gsPtr->rawRead, (size_t) extra); nextPtr->nextRemoved -= extra; bufPtr->nextAdded -= extra; @@ -4717,7 +4817,7 @@ PeekAhead( goto cleanup; } - if ((statePtr->flags & CHANNEL_NONBLOCKING) == 0) { + if (!GotFlag(statePtr, CHANNEL_NONBLOCKING)) { blockModeProc = Tcl_ChannelBlockModeProc(chanPtr->typePtr); if (blockModeProc == NULL) { /* @@ -4909,15 +5009,16 @@ Tcl_ReadRaw( * requests more bytes. */ + Tcl_Preserve(chanPtr); for (copied = 0; copied < bytesToRead; copied += copiedNow) { copiedNow = CopyBuffer(chanPtr, bufPtr + copied, bytesToRead - copied); if (copiedNow == 0) { - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { break; } - if (statePtr->flags & CHANNEL_BLOCKED) { - if (statePtr->flags & CHANNEL_NONBLOCKING) { + if (GotFlag(statePtr, CHANNEL_BLOCKED)) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) { break; } ResetFlag(statePtr, CHANNEL_BLOCKED); @@ -4933,21 +5034,24 @@ Tcl_ReadRaw( * happen. */ - nread = ChanRead(chanPtr, bufPtr+copied, bytesToRead-copied); + nread = ChanRead(chanPtr, bufPtr + copied, + bytesToRead - copied); if (nread < 0) { - if (statePtr->flags & CHANNEL_BLOCKED && copied > 0) { - ResetFlag(statePtr, CHANNEL_BLOCKED); - break; + if (GotFlag(statePtr, CHANNEL_BLOCKED) && copied > 0) { +/* TODO: comment out? */ +// ResetFlag(statePtr, CHANNEL_BLOCKED); + } else { + copied = -1; } - return -1; + } else { + copied += nread; } - - copied += nread; break; } } + Tcl_Release(chanPtr); return copied; } @@ -5044,7 +5148,7 @@ DoReadChars( ChannelState *statePtr = chanPtr->state; /* State info for channel */ ChannelBuffer *bufPtr; - int factor, copied, copiedNow; + int factor, copied, copiedNow, result; Tcl_Encoding encoding; int binaryMode; #define UTF_EXPANSION_FACTOR 1024 @@ -5056,6 +5160,7 @@ DoReadChars( chanPtr = statePtr->topChanPtr; encoding = statePtr->encoding; factor = UTF_EXPANSION_FACTOR; + Tcl_Preserve(chanPtr); binaryMode = (encoding == NULL) && (statePtr->inputTranslation == TCL_TRANSLATE_LF) @@ -5106,21 +5211,26 @@ DoReadChars( } if (copiedNow < 0) { - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { break; } - if (statePtr->flags & CHANNEL_BLOCKED) { - if (statePtr->flags & CHANNEL_NONBLOCKING) { + if (GotFlag(statePtr, CHANNEL_BLOCKED)) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) { break; } ResetFlag(statePtr, CHANNEL_BLOCKED); } - if (GetInput(chanPtr) != 0) { - if (statePtr->flags & CHANNEL_BLOCKED) { - break; + result = GetInput(chanPtr); + if (chanPtr != statePtr->topChanPtr) { + Tcl_Release(chanPtr); + chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); + } + if (result != 0) { + if (!GotFlag(statePtr, CHANNEL_BLOCKED)) { + copied = -1; } - copied = -1; - goto done; + break; } } else { copied += copiedNow; @@ -5128,15 +5238,31 @@ DoReadChars( } } - ResetFlag(statePtr, CHANNEL_BLOCKED); + /* + * Failure to fill a channel buffer may have left channel reporting + * a "blocked" state, but so long as we fulfilled the request here, + * the caller does not consider us blocked. + */ + if (toRead == 0) { + ResetFlag(statePtr, CHANNEL_BLOCKED); + } + + /* + * Regenerate the top channel, in case it was changed due to + * self-modifying reflected transforms. + */ + if (chanPtr != statePtr->topChanPtr) { + Tcl_Release(chanPtr); + chanPtr = statePtr->topChanPtr; + Tcl_Preserve(chanPtr); + } /* * Update the notifier state so we don't block while there is still data * in the buffers. */ - - done: UpdateInterest(chanPtr); + Tcl_Release(chanPtr); return copied; } @@ -5448,7 +5574,7 @@ ReadChars( return 1; } - } else if (statePtr->flags & CHANNEL_EOF) { + } else if (GotFlag(statePtr, CHANNEL_EOF)) { /* * The bare \r is the only char and we will never read @@ -5670,7 +5796,7 @@ TranslateInputEOL( char *dst = dstStart; int lesser; - if ((statePtr->flags & INPUT_SAW_CR) && srcLen) { + if (GotFlag(statePtr, INPUT_SAW_CR) && srcLen) { if (*src == '\n') { src++; srcLen--; } ResetFlag(statePtr, INPUT_SAW_CR); } @@ -5891,7 +6017,7 @@ DiscardInputQueued( */ if (discardSavedBuffers && statePtr->saveInBufPtr != NULL) { - ckfree((char *) statePtr->saveInBufPtr); + ReleaseChannelBuffer(statePtr->saveInBufPtr); statePtr->saveInBufPtr = NULL; } } @@ -5907,9 +6033,8 @@ DiscardInputQueued( * that is the top channel of a stack! * * Results: - * The return value is 0 to indicate success, or -1 if an error - * occurred while reading from the channel. Call Tcl_GetErrno() - * to get the Posix error code. + * The return value is the Posix error code if an error occurred while + * reading from the file, or 0 otherwise. * * Side effects: * Reads from the underlying device. @@ -5922,6 +6047,7 @@ GetInput( Channel *chanPtr) /* Channel to read input from. */ { int toRead; /* How much to read? */ + int result; /* Of calling driver. */ int nread; /* How much was read from channel? */ ChannelBuffer *bufPtr; /* New buffer to add to input queue. */ ChannelState *statePtr = chanPtr->state; @@ -5935,8 +6061,7 @@ GetInput( */ if (CheckForDeadChannel(NULL, statePtr)) { - Tcl_SetErrno(EINVAL); - return -1; + return EINVAL; } /* @@ -5983,7 +6108,7 @@ GetInput( if ((bufPtr != NULL) && (bufPtr->bufLength - BUFFER_PADDING != statePtr->bufSize)) { - ckfree((char *) bufPtr); + ReleaseChannelBuffer(bufPtr); bufPtr = NULL; } @@ -6009,16 +6134,22 @@ GetInput( * platforms it is impossible to read from a device after EOF. */ - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { return 0; } + PreserveChannelBuffer(bufPtr); nread = ChanRead(chanPtr, InsertPoint(bufPtr), toRead); + if (nread < 0) { - return -1; + result = Tcl_GetErrno(); + } else { + result = 0; + bufPtr->nextAdded += nread; } - bufPtr->nextAdded += nread; - return 0; + + ReleaseChannelBuffer(bufPtr); + return result; } /* @@ -6133,14 +6264,14 @@ Tcl_Seek( */ wasAsync = 0; - if (statePtr->flags & CHANNEL_NONBLOCKING) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) { wasAsync = 1; result = StackSetBlockMode(chanPtr, TCL_MODE_BLOCKING); if (result != 0) { return Tcl_LongAsWide(-1); } ResetFlag(statePtr, CHANNEL_NONBLOCKING); - if (statePtr->flags & BG_FLUSH_SCHEDULED) { + if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { ResetFlag(statePtr, BG_FLUSH_SCHEDULED); } } @@ -6476,8 +6607,7 @@ CheckChannelErrors( * order to drain data from stacked channels. */ - if ((statePtr->flags & CHANNEL_CLOSED) && - ((flags & CHANNEL_RAW_MODE) == 0)) { + if (GotFlag(statePtr, CHANNEL_CLOSED) && !(flags & CHANNEL_RAW_MODE)) { Tcl_SetErrno(EACCES); return -1; } @@ -6486,7 +6616,7 @@ CheckChannelErrors( * Fail if the channel is not opened for desired operation. */ - if ((statePtr->flags & direction) == 0) { + if (GotFlag(statePtr, direction) == 0) { Tcl_SetErrno(EACCES); return -1; } @@ -6499,7 +6629,7 @@ CheckChannelErrors( * retrieving and transforming the data to copy. */ - if (BUSY_STATE(statePtr,flags) && ((flags & CHANNEL_RAW_MODE) == 0)) { + if (BUSY_STATE(statePtr, flags) && ((flags & CHANNEL_RAW_MODE) == 0)) { Tcl_SetErrno(EBUSY); return -1; } @@ -6539,8 +6669,8 @@ Tcl_Eof( ChannelState *statePtr = ((Channel *) chan)->state; /* State of real channel structure. */ - return ((statePtr->flags & CHANNEL_STICKY_EOF) || - ((statePtr->flags & CHANNEL_EOF) && + return (GotFlag(statePtr, CHANNEL_STICKY_EOF) || + (GotFlag(statePtr, CHANNEL_EOF) && (Tcl_InputBuffered(chan) == 0))) ? 1 : 0; } @@ -6567,7 +6697,7 @@ Tcl_InputBlocked( ChannelState *statePtr = ((Channel *) chan)->state; /* State of real channel structure. */ - return (statePtr->flags & CHANNEL_BLOCKED) ? 1 : 0; + return GotFlag(statePtr, CHANNEL_BLOCKED) ? 1 : 0; } /* @@ -7198,7 +7328,8 @@ Tcl_SetChannelOption( * iso2022, the terminated escape sequence must write to the buffer. */ - if ((statePtr->encoding != NULL) && (statePtr->curOutPtr != NULL) + if ((statePtr->encoding != NULL) + && !(statePtr->outputEncodingFlags & TCL_ENCODING_START) && (CheckChannelErrors(statePtr, TCL_WRITABLE) == 0)) { statePtr->outputEncodingFlags |= TCL_ENCODING_END; WriteChars(chanPtr, "", 0); @@ -7231,10 +7362,10 @@ Tcl_SetChannelOption( ckfree((char *) argv); return TCL_ERROR; } - if (statePtr->flags & TCL_READABLE) { + if (GotFlag(statePtr, TCL_READABLE)) { statePtr->inEofChar = inValue; } - if (statePtr->flags & TCL_WRITABLE) { + if (GotFlag(statePtr, TCL_WRITABLE)) { statePtr->outEofChar = outValue; } } else { @@ -7268,11 +7399,11 @@ Tcl_SetChannelOption( } if (argc == 1) { - readMode = (statePtr->flags & TCL_READABLE) ? argv[0] : NULL; - writeMode = (statePtr->flags & TCL_WRITABLE) ? argv[0] : NULL; + readMode = GotFlag(statePtr, TCL_READABLE) ? argv[0] : NULL; + writeMode = GotFlag(statePtr, TCL_WRITABLE) ? argv[0] : NULL; } else if (argc == 2) { - readMode = (statePtr->flags & TCL_READABLE) ? argv[0] : NULL; - writeMode = (statePtr->flags & TCL_WRITABLE) ? argv[1] : NULL; + readMode = GotFlag(statePtr, TCL_READABLE) ? argv[0] : NULL; + writeMode = GotFlag(statePtr, TCL_WRITABLE) ? argv[1] : NULL; } else { if (interp) { Tcl_AppendResult(interp, @@ -7522,7 +7653,7 @@ Tcl_NotifyChannel( * don't call any write handlers before the flush is complete. */ - if ((statePtr->flags & BG_FLUSH_SCHEDULED) && (mask & TCL_WRITABLE)) { + if (GotFlag(statePtr, BG_FLUSH_SCHEDULED) && (mask & TCL_WRITABLE)) { FlushChannel(NULL, chanPtr, 1); mask &= ~TCL_WRITABLE; } @@ -7592,12 +7723,17 @@ UpdateInterest( /* State info for channel */ int mask = statePtr->interestMask; + if (chanPtr->typePtr == NULL) { + /* Do not update interest on a closed channel */ + return; + } + /* * If there are flushed buffers waiting to be written, then we need to * watch for the channel to become writable. */ - if (statePtr->flags & BG_FLUSH_SCHEDULED) { + if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) { mask |= TCL_WRITABLE; } @@ -7609,7 +7745,7 @@ UpdateInterest( */ if (mask & TCL_READABLE) { - if (!(statePtr->flags & CHANNEL_NEED_MORE_DATA) + if (!GotFlag(statePtr, CHANNEL_NEED_MORE_DATA) && (statePtr->inQueueHead != NULL) && IsBufferReady(statePtr->inQueueHead)) { mask &= ~TCL_READABLE; @@ -7688,7 +7824,7 @@ ChannelTimerProc( ChannelState *statePtr = chanPtr->state; /* State info for channel */ - if (!(statePtr->flags & CHANNEL_NEED_MORE_DATA) + if (!GotFlag(statePtr, CHANNEL_NEED_MORE_DATA) && (statePtr->interestMask & TCL_READABLE) && (statePtr->inQueueHead != NULL) && IsBufferReady(statePtr->inQueueHead)) { @@ -7699,7 +7835,7 @@ ChannelTimerProc( statePtr->timer = Tcl_CreateTimerHandler(0, ChannelTimerProc,chanPtr); Tcl_Preserve(statePtr); - Tcl_NotifyChannel((Tcl_Channel)chanPtr, TCL_READABLE); + Tcl_NotifyChannel((Tcl_Channel) chanPtr, TCL_READABLE); Tcl_Release(statePtr); } else { statePtr->timer = NULL; @@ -8112,7 +8248,7 @@ Tcl_FileEventObjCmd( } chanPtr = (Channel *) chan; statePtr = chanPtr->state; - if ((statePtr->flags & mask) == 0) { + if (GotFlag(statePtr, mask) == 0) { Tcl_AppendResult(interp, "channel is not ", (mask == TCL_READABLE) ? "readable" : "writable", NULL); return TCL_ERROR; @@ -8656,6 +8792,7 @@ DoRead( ChannelState *statePtr = chanPtr->state; char *p = dst; + Tcl_Preserve(chanPtr); while (bytesToRead) { /* * Each pass through the loop is intended to process up to @@ -8670,7 +8807,7 @@ DoRead( * escape to the caller. */ - if (statePtr->flags & CHANNEL_EOF + if (GotFlag(statePtr, CHANNEL_EOF) && (bufPtr == NULL || IsBufferEmpty(bufPtr))) { break; } @@ -8682,12 +8819,13 @@ DoRead( ResetFlag(statePtr, CHANNEL_BLOCKED); moreData: + code = GetInput(chanPtr); bufPtr = statePtr->inQueueHead; assert (bufPtr != NULL); - if (statePtr->flags & (CHANNEL_EOF|CHANNEL_BLOCKED)) { + if (GotFlag(statePtr, CHANNEL_EOF|CHANNEL_BLOCKED)) { /* Further reads cannot do any more */ break; } @@ -8695,6 +8833,7 @@ DoRead( if (code) { /* Read error */ UpdateInterest(chanPtr); + Tcl_Release(chanPtr); return -1; } @@ -8747,13 +8886,13 @@ DoRead( if (bufPtr->nextPtr == NULL) { /* There's no more buffered data.... */ - if (statePtr->flags & CHANNEL_EOF) { + if (GotFlag(statePtr, CHANNEL_EOF)) { /* ...and there never will be. */ *p++ = '\r'; bytesToRead--; bufPtr->nextRemoved++; - } else if (statePtr->flags & CHANNEL_BLOCKED) { + } else if (GotFlag(statePtr, CHANNEL_BLOCKED)) { /* ...and we cannot get more now. */ SetFlag(statePtr, CHANNEL_NEED_MORE_DATA); UpdateInterest(chanPtr); @@ -8783,12 +8922,16 @@ DoRead( RecycleBuffer(statePtr, bufPtr, 0); } - if (statePtr->flags & CHANNEL_NONBLOCKING - && statePtr->flags & CHANNEL_BLOCKED) { + if (GotFlag(statePtr, CHANNEL_NONBLOCKING) + && GotFlag(statePtr, CHANNEL_BLOCKED)) { break; } } + if (bytesToRead == 0) { + ResetFlag(statePtr, CHANNEL_BLOCKED); + } + Tcl_Release(chanPtr); return (int)(p - dst); } @@ -8999,12 +9142,15 @@ StackSetBlockMode( { int result = 0; Tcl_DriverBlockModeProc *blockModeProc; + ChannelState *statePtr = chanPtr->state; /* * Start at the top of the channel stack + * TODO: Examine what can go wrong when blockModeProc calls + * disturb the stacking state of the channel. */ - chanPtr = chanPtr->state->topChanPtr; + chanPtr = statePtr->topChanPtr; while (chanPtr != NULL) { blockModeProc = Tcl_ChannelBlockModeProc(chanPtr->typePtr); if (blockModeProc != NULL) { @@ -10153,8 +10299,9 @@ SetChannelFromAny( * The channel is valid until any call to DetachChannel occurs. * Ensure consistency checks are done. */ - statePtr = GET_CHANNELSTATE(objPtr); - if (statePtr->flags & (CHANNEL_TAINTED|CHANNEL_CLOSED)) { + + statePtr = GET_CHANNELSTATE(objPtr); + if (GotFlag(statePtr, CHANNEL_TAINTED|CHANNEL_CLOSED)) { ResetFlag(statePtr, CHANNEL_TAINTED); Tcl_Release((ClientData) statePtr); objPtr->typePtr = NULL; @@ -10247,5 +10394,7 @@ DumpFlags( * mode: c * c-basic-offset: 4 * fill-column: 78 + * tab-width: 8 + * indent-tabs-mode: nil * End: */ diff --git a/generic/tclIO.h b/generic/tclIO.h index 59754cf..b8fb5be 100644 --- a/generic/tclIO.h +++ b/generic/tclIO.h @@ -36,6 +36,7 @@ */ typedef struct ChannelBuffer { + int refCount; /* Current uses count */ int nextAdded; /* The next position into which a character * will be put in the buffer. */ int nextRemoved; /* Position of next byte to be removed from diff --git a/generic/tclIOCmd.c b/generic/tclIOCmd.c index 2958bc8..afd6272 100644 --- a/generic/tclIOCmd.c +++ b/generic/tclIOCmd.c @@ -177,6 +177,7 @@ Tcl_PutsObjCmd( return TCL_ERROR; } + Tcl_Preserve(chan); result = Tcl_WriteObj(chan, string); if (result < 0) { goto error; @@ -187,6 +188,7 @@ Tcl_PutsObjCmd( goto error; } } + Tcl_Release(chan); return TCL_OK; /* @@ -202,6 +204,7 @@ Tcl_PutsObjCmd( TclGetString(chanObjPtr), "\": ", Tcl_PosixError(interp), NULL); } + Tcl_Release(chan); return TCL_ERROR; } @@ -248,6 +251,7 @@ Tcl_FlushObjCmd( return TCL_ERROR; } + Tcl_Preserve(chan); if (Tcl_Flush(chan) != TCL_OK) { /* * TIP #219. @@ -261,8 +265,10 @@ Tcl_FlushObjCmd( TclGetString(chanObjPtr), "\": ", Tcl_PosixError(interp), NULL); } + Tcl_Release(chan); return TCL_ERROR; } + Tcl_Release(chan); return TCL_OK; } @@ -295,6 +301,7 @@ Tcl_GetsObjCmd( int lineLen; /* Length of line just read. */ int mode; /* Mode in which channel is opened. */ Tcl_Obj *linePtr, *chanObjPtr; + int code = TCL_OK; if ((objc != 2) && (objc != 3)) { Tcl_WrongNumArgs(interp, 1, objv, "channelId ?varName?"); @@ -310,6 +317,7 @@ Tcl_GetsObjCmd( return TCL_ERROR; } + Tcl_Preserve(chan); linePtr = Tcl_NewObj(); lineLen = Tcl_GetsObj(chan, linePtr); if (lineLen < 0) { @@ -329,21 +337,24 @@ Tcl_GetsObjCmd( TclGetString(chanObjPtr), "\": ", Tcl_PosixError(interp), NULL); } - return TCL_ERROR; + code = TCL_ERROR; + goto done; } lineLen = -1; } if (objc == 3) { if (Tcl_ObjSetVar2(interp, objv[2], NULL, linePtr, TCL_LEAVE_ERR_MSG) == NULL) { - return TCL_ERROR; + code = TCL_ERROR; + goto done; } Tcl_SetObjResult(interp, Tcl_NewIntObj(lineLen)); - return TCL_OK; } else { Tcl_SetObjResult(interp, linePtr); } - return TCL_OK; + done: + Tcl_Release(chan); + return code; } /* @@ -447,6 +458,7 @@ Tcl_ReadObjCmd( resultPtr = Tcl_NewObj(); Tcl_IncrRefCount(resultPtr); + Tcl_Preserve(chan); charactersRead = Tcl_ReadChars(chan, resultPtr, toRead, 0); if (charactersRead < 0) { /* @@ -462,6 +474,7 @@ Tcl_ReadObjCmd( TclGetString(chanObjPtr), "\": ", Tcl_PosixError(interp), NULL); } + Tcl_Release(chan); Tcl_DecrRefCount(resultPtr); return TCL_ERROR; } @@ -480,6 +493,7 @@ Tcl_ReadObjCmd( } } Tcl_SetObjResult(interp, resultPtr); + Tcl_Release(chan); Tcl_DecrRefCount(resultPtr); return TCL_OK; } @@ -539,6 +553,7 @@ Tcl_SeekObjCmd( mode = modeArray[optionIndex]; } + Tcl_Preserve(chan); result = Tcl_Seek(chan, offset, mode); if (result == Tcl_LongAsWide(-1)) { /* @@ -552,8 +567,10 @@ Tcl_SeekObjCmd( TclGetString(objv[1]), "\": ", Tcl_PosixError(interp), NULL); } + Tcl_Release(chan); return TCL_ERROR; } + Tcl_Release(chan); return TCL_OK; } @@ -584,6 +601,7 @@ Tcl_TellObjCmd( { Tcl_Channel chan; /* The channel to tell on. */ Tcl_WideInt newLoc; + int code; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "channelId"); @@ -599,6 +617,7 @@ Tcl_TellObjCmd( return TCL_ERROR; } + Tcl_Preserve(chan); newLoc = Tcl_Tell(chan); /* @@ -607,7 +626,10 @@ Tcl_TellObjCmd( * them into the regular interpreter result. */ - if (TclChanCaughtErrorBypass(interp, chan)) { + + code = TclChanCaughtErrorBypass(interp, chan); + Tcl_Release(chan); + if (code) { return TCL_ERROR; } diff --git a/generic/tclIOGT.c b/generic/tclIOGT.c index eed21fb..c5372b1 100644 --- a/generic/tclIOGT.c +++ b/generic/tclIOGT.c @@ -210,7 +210,27 @@ struct TransformChannelData { * a transformation of incoming data. Also * serves as buffer of all data not yet * consumed by the reader. */ + int refCount; }; + +static void +PreserveData( + TransformChannelData *dataPtr) +{ + dataPtr->refCount++; +} + +static void +ReleaseData( + TransformChannelData *dataPtr) +{ + if (--dataPtr->refCount) { + return; + } + ResultClear(&dataPtr->result); + Tcl_DecrRefCount(dataPtr->command); + ckfree((char *) dataPtr); +} /* *---------------------------------------------------------------------- @@ -240,6 +260,7 @@ TclChannelTransform( Channel *chanPtr; /* The actual channel. */ ChannelState *statePtr; /* State info for channel. */ int mode; /* Read/write mode of the channel. */ + int objc; TransformChannelData *dataPtr; Tcl_DString ds; @@ -247,6 +268,12 @@ TclChannelTransform( return TCL_ERROR; } + if (TCL_OK != Tcl_ListObjLength(interp, cmdObjPtr, &objc)) { + Tcl_SetObjResult(interp, + Tcl_NewStringObj("-command value is not a list", -1)); + return TCL_ERROR; + } + chanPtr = (Channel *) chan; statePtr = chanPtr->state; chanPtr = statePtr->topChanPtr; @@ -261,6 +288,7 @@ TclChannelTransform( dataPtr = (TransformChannelData *) ckalloc(sizeof(TransformChannelData)); + dataPtr->refCount = 1; Tcl_DStringInit(&ds); Tcl_GetChannelOption(interp, chan, "-blocking", &ds); dataPtr->readIsFlushed = 0; @@ -270,7 +298,6 @@ TclChannelTransform( } Tcl_DStringFree(&ds); - dataPtr->self = chan; dataPtr->watchMask = 0; dataPtr->mode = mode; dataPtr->timer = NULL; @@ -286,19 +313,20 @@ TclChannelTransform( if (dataPtr->self == NULL) { Tcl_AppendResult(interp, "\nfailed to stack channel \"", Tcl_GetChannelName(chan), "\"", NULL); - Tcl_DecrRefCount(dataPtr->command); - ResultClear(&dataPtr->result); - ckfree((char *) dataPtr); + ReleaseData(dataPtr); return TCL_ERROR; } + Tcl_Preserve(dataPtr->self); /* * At last initialize the transformation at the script level. */ + PreserveData(dataPtr); if ((dataPtr->mode & TCL_WRITABLE) && ExecuteCallback(dataPtr, NULL, A_CREATE_WRITE, NULL, 0, TRANSMIT_DONT, P_NO_PRESERVE) != TCL_OK){ Tcl_UnstackChannel(interp, chan); + ReleaseData(dataPtr); return TCL_ERROR; } @@ -307,9 +335,11 @@ TclChannelTransform( ExecuteCallback(dataPtr, NULL, A_DELETE_WRITE, NULL, 0, TRANSMIT_DONT, P_NO_PRESERVE); Tcl_UnstackChannel(interp, chan); + ReleaseData(dataPtr); return TCL_ERROR; } + ReleaseData(dataPtr); return TCL_OK; } @@ -350,7 +380,10 @@ ExecuteCallback( unsigned char *resBuf; Tcl_InterpState state = NULL; int res = TCL_OK; - Tcl_Obj *command = Tcl_DuplicateObj(dataPtr->command); + Tcl_Obj *command = TclListObjCopy(NULL, dataPtr->command); + Tcl_Interp *eval = dataPtr->interp; + + Tcl_Preserve(eval); /* * Step 1, create the complete command to execute. Do this by appending @@ -361,26 +394,18 @@ ExecuteCallback( */ if (preserve == P_PRESERVE) { - state = Tcl_SaveInterpState(dataPtr->interp, res); + state = Tcl_SaveInterpState(eval, res); } Tcl_IncrRefCount(command); - res = Tcl_ListObjAppendElement(dataPtr->interp, command, - Tcl_NewStringObj((char *) op, -1)); - if (res != TCL_OK) { - goto cleanup; - } + Tcl_ListObjAppendElement(NULL, command, Tcl_NewStringObj((char *) op, -1)); /* * Use a byte-array to prevent the misinterpretation of binary data coming * through as UTF while at the tcl level. */ - res = Tcl_ListObjAppendElement(dataPtr->interp, command, - Tcl_NewByteArrayObj(buf, bufLen)); - if (res != TCL_OK) { - goto cleanup; - } + Tcl_ListObjAppendElement(NULL, command, Tcl_NewByteArrayObj(buf, bufLen)); /* * Step 2, execute the command at the global level of the interpreter used @@ -390,13 +415,14 @@ ExecuteCallback( * current interpreter. Don't copy if in preservation mode. */ - res = Tcl_EvalObjEx(dataPtr->interp, command, TCL_EVAL_GLOBAL); + res = Tcl_EvalObjEx(eval, command, TCL_EVAL_GLOBAL); Tcl_DecrRefCount(command); command = NULL; - if ((res != TCL_OK) && (interp != NULL) && (dataPtr->interp != interp) + if ((res != TCL_OK) && (interp != NULL) && (eval != interp) && (preserve == P_NO_PRESERVE)) { - Tcl_SetObjResult(interp, Tcl_GetObjResult(dataPtr->interp)); + Tcl_SetObjResult(interp, Tcl_GetObjResult(eval)); + Tcl_Release(eval); return res; } @@ -411,20 +437,26 @@ ExecuteCallback( break; case TRANSMIT_DOWN: - resObj = Tcl_GetObjResult(dataPtr->interp); + if (dataPtr->self == NULL) { + break; + } + resObj = Tcl_GetObjResult(eval); resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen); Tcl_WriteRaw(Tcl_GetStackedChannel(dataPtr->self), (char *) resBuf, resLen); break; case TRANSMIT_SELF: - resObj = Tcl_GetObjResult(dataPtr->interp); + if (dataPtr->self == NULL) { + break; + } + resObj = Tcl_GetObjResult(eval); resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen); Tcl_WriteRaw(dataPtr->self, (char *) resBuf, resLen); break; case TRANSMIT_IBUF: - resObj = Tcl_GetObjResult(dataPtr->interp); + resObj = Tcl_GetObjResult(eval); resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen); ResultAdd(&dataPtr->result, resBuf, resLen); break; @@ -434,24 +466,16 @@ ExecuteCallback( * Interpret result as integer number. */ - resObj = Tcl_GetObjResult(dataPtr->interp); - TclGetIntFromObj(dataPtr->interp, resObj, &dataPtr->maxRead); + resObj = Tcl_GetObjResult(eval); + TclGetIntFromObj(eval, resObj, &dataPtr->maxRead); break; } - Tcl_ResetResult(dataPtr->interp); - if (preserve == P_PRESERVE) { - (void) Tcl_RestoreInterpState(dataPtr->interp, state); - } - return res; - - cleanup: + Tcl_ResetResult(eval); if (preserve == P_PRESERVE) { - (void) Tcl_RestoreInterpState(dataPtr->interp, state); - } - if (command != NULL) { - Tcl_DecrRefCount(command); + (void) Tcl_RestoreInterpState(eval, state); } + Tcl_Release(eval); return res; } @@ -535,6 +559,7 @@ TransformCloseProc( * system rely on (f.e. signaling the close to interested parties). */ + PreserveData(dataPtr); if (dataPtr->mode & TCL_WRITABLE) { ExecuteCallback(dataPtr, interp, A_FLUSH_WRITE, NULL, 0, TRANSMIT_DOWN, P_PRESERVE); @@ -554,14 +579,15 @@ TransformCloseProc( ExecuteCallback(dataPtr, interp, A_DELETE_READ, NULL, 0, TRANSMIT_DONT, P_PRESERVE); } + ReleaseData(dataPtr); /* * General cleanup. */ - ResultClear(&dataPtr->result); - Tcl_DecrRefCount(dataPtr->command); - ckfree((char *) dataPtr); + Tcl_Release(dataPtr->self); + dataPtr->self = NULL; + ReleaseData(dataPtr); return TCL_OK; } @@ -596,7 +622,7 @@ TransformInputProc( * Should assert(dataPtr->mode & TCL_READABLE); */ - if (toRead == 0) { + if (toRead == 0 || dataPtr->self == NULL) { /* * Catch a no-op. */ @@ -606,6 +632,7 @@ TransformInputProc( gotBytes = 0; downChan = Tcl_GetStackedChannel(dataPtr->self); + PreserveData(dataPtr); while (toRead > 0) { /* * Loop until the request is satisfied (or no data is available from @@ -623,7 +650,7 @@ TransformInputProc( * break out of the loop and return to the caller. */ - return gotBytes; + break; } /* @@ -647,7 +674,7 @@ TransformInputProc( } } /* else: 'maxRead < 0' == Accept the current value of toRead. */ if (toRead <= 0) { - return gotBytes; + break; } /* @@ -663,11 +690,12 @@ TransformInputProc( */ if ((Tcl_GetErrno() == EAGAIN) && (gotBytes > 0)) { - return gotBytes; + break; } *errorCodePtr = Tcl_GetErrno(); - return -1; + gotBytes = -1; + break; } else if (read == 0) { /* * Check wether we hit on EOF in the underlying channel or not. If @@ -682,9 +710,9 @@ TransformInputProc( if (!Tcl_Eof(downChan)) { if ((gotBytes == 0) && (dataPtr->flags & CHANNEL_ASYNC)) { *errorCodePtr = EWOULDBLOCK; - return -1; + gotBytes = -1; } - return gotBytes; + break; } if (dataPtr->readIsFlushed) { @@ -692,7 +720,7 @@ TransformInputProc( * Already flushed, nothing to do anymore. */ - return gotBytes; + break; } dataPtr->readIsFlushed = 1; @@ -704,7 +732,7 @@ TransformInputProc( * We had nothing to flush. */ - return gotBytes; + break; } continue; /* at: while (toRead > 0) */ @@ -718,9 +746,11 @@ TransformInputProc( if (ExecuteCallback(dataPtr, NULL, A_READ, UCHARP(buf), read, TRANSMIT_IBUF, P_PRESERVE) != TCL_OK) { *errorCodePtr = EINVAL; - return -1; + gotBytes = -1; + break; } } /* while toRead > 0 */ + ReleaseData(dataPtr); return gotBytes; } @@ -762,11 +792,13 @@ TransformOutputProc( return 0; } + PreserveData(dataPtr); if (ExecuteCallback(dataPtr, NULL, A_WRITE, UCHARP(buf), toWrite, TRANSMIT_DOWN, P_NO_PRESERVE) != TCL_OK) { *errorCodePtr = EINVAL; - return -1; + toWrite = -1; } + ReleaseData(dataPtr); return toWrite; } @@ -819,6 +851,7 @@ TransformSeekProc( * request down, unchanged. */ + PreserveData(dataPtr); if (dataPtr->mode & TCL_WRITABLE) { ExecuteCallback(dataPtr, NULL, A_FLUSH_WRITE, NULL, 0, TRANSMIT_DOWN, P_NO_PRESERVE); @@ -830,6 +863,7 @@ TransformSeekProc( ResultClear(&dataPtr->result); dataPtr->readIsFlushed = 0; } + ReleaseData(dataPtr); return parentSeekProc(Tcl_GetChannelInstanceData(parent), offset, mode, errorCodePtr); @@ -890,6 +924,7 @@ TransformWideSeekProc( * request down, unchanged. */ + PreserveData(dataPtr); if (dataPtr->mode & TCL_WRITABLE) { ExecuteCallback(dataPtr, NULL, A_FLUSH_WRITE, NULL, 0, TRANSMIT_DOWN, P_NO_PRESERVE); @@ -901,6 +936,7 @@ TransformWideSeekProc( ResultClear(&dataPtr->result); dataPtr->readIsFlushed = 0; } + ReleaseData(dataPtr); /* * If we have a wide seek capability, we should stick with that. @@ -1055,6 +1091,9 @@ TransformWatchProc( * unchanged. */ + if (dataPtr->self == NULL) { + return; + } downChan = Tcl_GetStackedChannel(dataPtr->self); Tcl_GetChannelType(downChan)->watchProc( diff --git a/generic/tclIORChan.c b/generic/tclIORChan.c index ca3ab4b..3107f9e 100644 --- a/generic/tclIORChan.c +++ b/generic/tclIORChan.c @@ -91,31 +91,9 @@ typedef struct { #ifdef TCL_THREADS Tcl_ThreadId thread; /* Thread the 'interp' belongs to. */ #endif - - /* See [==] as well. - * Storage for the command prefix and the additional words required for - * the invocation of methods in the command handler. - * - * argv [0] ... [.] | [argc-2] [argc-1] | [argc] [argc+2] - * cmd ... pfx | method chan | detail1 detail2 - * ~~~~ CT ~~~ ~~ CT ~~ - * - * CT = Belongs to the 'Command handler Thread'. - */ - - int argc; /* Number of preallocated words - 2 */ - Tcl_Obj **argv; /* Preallocated array for calling the handler. - * args[0] is placeholder for cmd word. - * Followed by the arguments in the prefix, - * plus 4 placeholders for method, channel, - * and at most two varying (method specific) - * words. */ - int methods; /* Bitmask of supported methods */ - - /* - * NOTE (9): Should we have predefined shared literals for the method - * names? - */ + Tcl_Obj *cmd; /* Callback command prefix */ + Tcl_Obj *methods; /* Methods to append to command prefix */ + Tcl_Obj *name; /* Name of the channel as created */ int mode; /* Mask of R/W mode */ int interest; /* Mask of events the channel is interested @@ -439,7 +417,7 @@ static ReflectedChannel * NewReflectedChannel(Tcl_Interp *interp, static Tcl_Obj * NextHandle(void); static void FreeReflectedChannel(ReflectedChannel *rcPtr); static int InvokeTclMethod(ReflectedChannel *rcPtr, - const char *method, Tcl_Obj *argOneObj, + MethodName method, Tcl_Obj *argOneObj, Tcl_Obj *argTwoObj, Tcl_Obj **resultObjPtr); static ReflectedChannelMap * GetReflectedChannelMap(Tcl_Interp *interp); @@ -454,16 +432,14 @@ static int ErrnoReturn(ReflectedChannel *rcPtr, Tcl_Obj* resObj); * list-quoting to keep the words of the message together. See also [x]. */ -static const char *msg_read_unsup = "{read not supported by Tcl driver}"; static const char *msg_read_toomuch = "{read delivered more than requested}"; -static const char *msg_write_unsup = "{write not supported by Tcl driver}"; static const char *msg_write_toomuch = "{write wrote more than requested}"; static const char *msg_write_nothing = "{write wrote nothing}"; static const char *msg_seek_beforestart = "{Tried to seek before origin}"; #ifdef TCL_THREADS static const char *msg_send_originlost = "{Channel thread lost}"; -static const char *msg_send_dstlost = "{Owner lost}"; #endif /* TCL_THREADS */ +static const char *msg_send_dstlost = "{Owner lost}"; static const char *msg_dstlost = "-code 1 -level 0 -errorcode NONE -errorinfo {} -errorline 1 {Owner lost}"; /* @@ -568,10 +544,6 @@ TclChanCreateObjCmd( rcId = NextHandle(); rcPtr = NewReflectedChannel(interp, cmdObj, mode, rcId); - chan = Tcl_CreateChannel(&tclRChannelType, TclGetString(rcId), rcPtr, - mode); - rcPtr->chan = chan; - chanPtr = (Channel *) chan; /* * Invoke 'initialize' and validate that the handler is present and ok. @@ -585,7 +557,7 @@ TclChanCreateObjCmd( modeObj = DecodeEventMask(mode); /* assert modeObj.refCount == 1 */ - result = InvokeTclMethod(rcPtr, "initialize", modeObj, NULL, &resObj); + result = InvokeTclMethod(rcPtr, METH_INIT, modeObj, NULL, &resObj); Tcl_DecrRefCount(modeObj); if (result != TCL_OK) { UnmarshallErrorResult(interp, resObj); @@ -674,7 +646,11 @@ TclChanCreateObjCmd( * Everything is fine now. */ - rcPtr->methods = methods; + chan = Tcl_CreateChannel(&tclRChannelType, TclGetString(rcId), rcPtr, + mode); + rcPtr->chan = chan; + Tcl_Preserve(chan); + chanPtr = (Channel *) chan; if ((methods & NULLABLE_METHODS) != NULLABLE_METHODS) { /* @@ -737,12 +713,10 @@ TclChanCreateObjCmd( return TCL_OK; error: - /* - * Signal to ReflectClose to not call 'finalize'. - */ - - rcPtr->methods = 0; - Tcl_Close(interp, chan); + Tcl_DecrRefCount(rcPtr->name); + Tcl_DecrRefCount(rcPtr->methods); + Tcl_DecrRefCount(rcPtr->cmd); + ckfree((char*) rcPtr); return TCL_ERROR; #undef MODE @@ -1045,6 +1019,7 @@ ReflectClose( Tcl_Obj *resObj; /* Result data for 'close' */ ReflectedChannelMap* rcmPtr; /* Map of reflected channels with handlers in this interp */ Tcl_HashEntry* hPtr; /* Entry in the above map */ + Tcl_ChannelType *tctPtr; if (TclInThreadExit()) { /* @@ -1081,18 +1056,11 @@ ReflectClose( } #endif - Tcl_EventuallyFree (rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); - return EOK; - } - - /* - * -- No -- ASSERT rcPtr->methods & FLAG(METH_FINAL) - * - * A cleaned method mask here implies that the channel creation was - * aborted, and "finalize" must not be called. - */ - - if (rcPtr->methods == 0) { + tctPtr = ((Channel *)rcPtr->chan)->typePtr; + if (tctPtr && tctPtr != &tclRChannelType) { + ckfree((char *)tctPtr); + ((Channel *)rcPtr->chan)->typePtr = NULL; + } Tcl_EventuallyFree (rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); return EOK; } @@ -1118,7 +1086,7 @@ ReflectClose( } } else { #endif - result = InvokeTclMethod(rcPtr, "finalize", NULL, NULL, &resObj); + result = InvokeTclMethod(rcPtr, METH_FINAL, NULL, NULL, &resObj); if ((result != TCL_OK) && (interp != NULL)) { Tcl_SetChannelErrorInterp(interp, resObj); } @@ -1156,6 +1124,11 @@ ReflectClose( } #endif + tctPtr = ((Channel *)rcPtr->chan)->typePtr; + if (tctPtr && tctPtr != &tclRChannelType) { + ckfree((char *)tctPtr); + ((Channel *)rcPtr->chan)->typePtr = NULL; + } Tcl_EventuallyFree (rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); #ifdef TCL_THREADS } @@ -1193,18 +1166,6 @@ ReflectInput( Tcl_Obj *resObj; /* Result data for 'read' */ /* - * The following check can be done before thread redirection, because we - * are reading from an item which is readonly, i.e. will never change - * during the lifetime of the channel. - */ - - if (!(rcPtr->methods & FLAG(METH_READ))) { - SetChannelErrorStr(rcPtr->chan, msg_read_unsup); - *errorCodePtr = EINVAL; - return -1; - } - - /* * Are we in the correct thread? */ @@ -1242,7 +1203,7 @@ ReflectInput( toReadObj = Tcl_NewIntObj(toRead); Tcl_IncrRefCount(toReadObj); - if (InvokeTclMethod(rcPtr, "read", toReadObj, NULL, &resObj)!=TCL_OK) { + if (InvokeTclMethod(rcPtr, METH_READ, toReadObj, NULL, &resObj)!=TCL_OK) { int code = ErrnoReturn (rcPtr, resObj); if (code < 0) { @@ -1308,18 +1269,6 @@ ReflectOutput( int written; /* - * The following check can be done before thread redirection, because we - * are reading from an item which is readonly, i.e. will never change - * during the lifetime of the channel. - */ - - if (!(rcPtr->methods & FLAG(METH_WRITE))) { - SetChannelErrorStr(rcPtr->chan, msg_write_unsup); - *errorCodePtr = EINVAL; - return -1; - } - - /* * Are we in the correct thread? */ @@ -1353,11 +1302,12 @@ ReflectOutput( /* ASSERT: rcPtr->mode & TCL_WRITABLE */ Tcl_Preserve(rcPtr); + Tcl_Preserve(rcPtr->interp); bufObj = Tcl_NewByteArrayObj((unsigned char *) buf, toWrite); Tcl_IncrRefCount(bufObj); - if (InvokeTclMethod(rcPtr, "write", bufObj, NULL, &resObj) != TCL_OK) { + if (InvokeTclMethod(rcPtr, METH_WRITE, bufObj, NULL, &resObj) != TCL_OK) { int code = ErrnoReturn(rcPtr, resObj); if (code < 0) { @@ -1369,6 +1319,14 @@ ReflectOutput( goto invalid; } + if (Tcl_InterpDeleted(rcPtr->interp)) { + /* + * The interp was destroyed during InvokeTclMethod(). + */ + + SetChannelErrorStr(rcPtr->chan, msg_send_dstlost); + goto invalid; + } if (Tcl_GetIntFromObj(rcPtr->interp, resObj, &written) != TCL_OK) { Tcl_SetChannelError(rcPtr->chan, MarshallError(rcPtr->interp)); goto invalid; @@ -1398,6 +1356,7 @@ ReflectOutput( stop: Tcl_DecrRefCount(bufObj); Tcl_DecrRefCount(resObj); /* Remove reference held from invoke */ + Tcl_Release(rcPtr->interp); Tcl_Release(rcPtr); return written; invalid: @@ -1470,7 +1429,7 @@ ReflectSeekWide( Tcl_IncrRefCount(offObj); Tcl_IncrRefCount(baseObj); - if (InvokeTclMethod(rcPtr, "seek", offObj, baseObj, &resObj)!=TCL_OK) { + if (InvokeTclMethod(rcPtr, METH_SEEK, offObj, baseObj, &resObj)!=TCL_OK) { Tcl_SetChannelError(rcPtr->chan, resObj); goto invalid; } @@ -1541,8 +1500,6 @@ ReflectWatch( ReflectedChannel *rcPtr = (ReflectedChannel *) clientData; Tcl_Obj *maskObj; - /* ASSERT rcPtr->methods & FLAG(METH_WATCH) */ - /* * We restrict the interest to what the channel can support. IOW there * will never be write events for a channel which is not writable. @@ -1585,7 +1542,7 @@ ReflectWatch( maskObj = DecodeEventMask(mask); /* assert maskObj.refCount == 1 */ - (void) InvokeTclMethod(rcPtr, "watch", maskObj, NULL, NULL); + (void) InvokeTclMethod(rcPtr, METH_WATCH, maskObj, NULL, NULL); Tcl_DecrRefCount(maskObj); Tcl_Release(rcPtr); @@ -1644,7 +1601,7 @@ ReflectBlock( Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "blocking", blockObj, NULL, &resObj) != TCL_OK) { + if (InvokeTclMethod(rcPtr, METH_BLOCKING, blockObj, NULL, &resObj) != TCL_OK) { Tcl_SetChannelError(rcPtr->chan, resObj); errorNum = EINVAL; } else { @@ -1718,7 +1675,7 @@ ReflectSetOption( Tcl_IncrRefCount(optionObj); Tcl_IncrRefCount(valueObj); - result = InvokeTclMethod(rcPtr, "configure",optionObj,valueObj, &resObj); + result = InvokeTclMethod(rcPtr, METH_CONFIGURE,optionObj,valueObj, &resObj); if (result != TCL_OK) { UnmarshallErrorResult(interp, resObj); } @@ -1763,7 +1720,7 @@ ReflectGetOption( Tcl_Obj *resObj; /* Result data for 'configure' */ int listc, result = TCL_OK; Tcl_Obj **listv; - const char *method; + MethodName method; /* * Are we in the correct thread? @@ -1802,14 +1759,14 @@ ReflectGetOption( * Retrieve all options. */ - method = "cgetall"; + method = METH_CGETALL; optionObj = NULL; } else { /* * Retrieve the value of one option. */ - method = "cget"; + method = METH_CGET; optionObj = Tcl_NewStringObj(optionName, -1); Tcl_IncrRefCount(optionObj); } @@ -2021,16 +1978,13 @@ NewReflectedChannel( Tcl_Obj *handleObj) { ReflectedChannel *rcPtr; - int i, listc; - Tcl_Obj **listv; + MethodName mn = METH_BLOCKING; rcPtr = (ReflectedChannel *) ckalloc(sizeof(ReflectedChannel)); /* rcPtr->chan: Assigned by caller. Dummy data here. */ - /* rcPtr->methods: Assigned by caller. Dummy data here. */ rcPtr->chan = NULL; - rcPtr->methods = 0; rcPtr->interp = interp; #ifdef TCL_THREADS rcPtr->thread = Tcl_GetCurrentThread(); @@ -2038,54 +1992,17 @@ NewReflectedChannel( rcPtr->mode = mode; rcPtr->interest = 0; /* Initially no interest registered */ - /* - * Method placeholder. - */ - /* ASSERT: cmdpfxObj is a Tcl List */ - - Tcl_ListObjGetElements(interp, cmdpfxObj, &listc, &listv); - - /* - * See [==] as well. - * Storage for the command prefix and the additional words required for - * the invocation of methods in the command handler. - * - * listv [0] [listc-1] | [listc] [listc+1] | - * argv [0] ... [.] | [argc-2] [argc-1] | [argc] [argc+2] - * cmd ... pfx | method chan | detail1 detail2 - */ - - rcPtr->argc = listc + 2; - rcPtr->argv = (Tcl_Obj **) ckalloc(sizeof(Tcl_Obj *) * (listc+4)); - - /* - * Duplicate object references. - */ - - for (i=0; i<listc ; i++) { - Tcl_Obj *word = rcPtr->argv[i] = listv[i]; - - Tcl_IncrRefCount(word); - } - - i++; /* Skip placeholder for method */ - - /* - * [Bug 1667990]: See [x] in FreeReflectedChannel for release - */ - - rcPtr->argv[i] = handleObj; - Tcl_IncrRefCount(handleObj); - - /* - * The next two objects are kept empty, varying arguments. - */ - - /* - * Initialization complete. - */ - + rcPtr->cmd = TclListObjCopy(NULL, cmdpfxObj); + Tcl_IncrRefCount(rcPtr->cmd); + rcPtr->methods = Tcl_NewListObj(METH_WRITE + 1, NULL); + while (mn <= METH_WRITE) { + Tcl_ListObjAppendElement(NULL, rcPtr->methods, + Tcl_NewStringObj(methodNames[mn++], -1)); + } + Tcl_IncrRefCount(rcPtr->methods); + rcPtr->name = handleObj; + Tcl_IncrRefCount(rcPtr->name); return rcPtr; } @@ -2136,28 +2053,11 @@ FreeReflectedChannel( ReflectedChannel *rcPtr) { Channel *chanPtr = (Channel *) rcPtr->chan; - int i, n; - - if (chanPtr->typePtr != &tclRChannelType) { - /* - * Delete a cloned ChannelType structure. - */ - - ckfree((char*) chanPtr->typePtr); - } - - n = rcPtr->argc - 2; - for (i=0; i<n; i++) { - Tcl_DecrRefCount(rcPtr->argv[i]); - } - - /* - * [Bug 1667990]: See [x] in NewReflectedChannel for lock. n+1 = argc-1. - */ - - Tcl_DecrRefCount(rcPtr->argv[n+1]); - ckfree((char*) rcPtr->argv); + Tcl_Release(chanPtr); + Tcl_DecrRefCount(rcPtr->name); + Tcl_DecrRefCount(rcPtr->methods); + Tcl_DecrRefCount(rcPtr->cmd); ckfree((char*) rcPtr); } @@ -2188,16 +2088,16 @@ FreeReflectedChannel( static int InvokeTclMethod( ReflectedChannel *rcPtr, - const char *method, + MethodName method, Tcl_Obj *argOneObj, /* NULL'able */ Tcl_Obj *argTwoObj, /* NULL'able */ Tcl_Obj **resultObjPtr) /* NULL'able */ { - int cmdc; /* #words in constructed command */ Tcl_Obj *methObj = NULL; /* Method name in object form */ Tcl_InterpState sr; /* State of handler interp */ int result; /* Result code of method invokation */ Tcl_Obj *resObj = NULL; /* Result of method invokation. */ + Tcl_Obj *cmd; if (!rcPtr->interp) { /* @@ -2220,32 +2120,25 @@ InvokeTclMethod( } /* - * NOTE (5): Decide impl. issue: Cache objects with method names? Needs - * TSD data as reflections can be created in many different threads. - * NO: Caching of command resolutions means storage per channel. - */ - - /* - * Insert method into the pre-allocated area, after the command prefix, + * Insert method into the callback command, after the command prefix, * before the channel id. */ - methObj = Tcl_NewStringObj(method, -1); - Tcl_IncrRefCount(methObj); - rcPtr->argv[rcPtr->argc - 2] = methObj; + cmd = TclListObjCopy(NULL, rcPtr->cmd); + + Tcl_ListObjIndex(NULL, rcPtr->methods, method, &methObj); + Tcl_ListObjAppendElement(NULL, cmd, methObj); + Tcl_ListObjAppendElement(NULL, cmd, rcPtr->name); /* * Append the additional argument containing method specific details * behind the channel id. If specified. */ - cmdc = rcPtr->argc; if (argOneObj) { - rcPtr->argv[cmdc] = argOneObj; - cmdc++; + Tcl_ListObjAppendElement(NULL, cmd, argOneObj); if (argTwoObj) { - rcPtr->argv[cmdc] = argTwoObj; - cmdc++; + Tcl_ListObjAppendElement(NULL, cmd, argTwoObj); } } @@ -2254,9 +2147,10 @@ InvokeTclMethod( * existing state intact. */ + Tcl_IncrRefCount(cmd); sr = Tcl_SaveInterpState(rcPtr->interp, 0 /* Dummy */); Tcl_Preserve(rcPtr->interp); - result = Tcl_EvalObjv(rcPtr->interp, cmdc, rcPtr->argv, TCL_EVAL_GLOBAL); + result = Tcl_GlobalEvalObj(rcPtr->interp, cmd); /* * We do not try to extract the result information if the caller has no @@ -2282,7 +2176,6 @@ InvokeTclMethod( */ if (result != TCL_ERROR) { - Tcl_Obj *cmd = Tcl_NewListObj(cmdc, rcPtr->argv); int cmdLen; const char *cmdString = Tcl_GetStringFromObj(cmd, &cmdLen); @@ -2296,25 +2189,17 @@ InvokeTclMethod( result = TCL_ERROR; } Tcl_AppendObjToErrorInfo(rcPtr->interp, Tcl_ObjPrintf( - "\n (chan handler subcommand \"%s\")", method)); + "\n (chan handler subcommand \"%s\")", + methodNames[method])); resObj = MarshallError(rcPtr->interp); } Tcl_IncrRefCount(resObj); } + Tcl_DecrRefCount(cmd); Tcl_RestoreInterpState(rcPtr->interp, sr); Tcl_Release(rcPtr->interp); /* - * Cleanup of the dynamic parts of the command. - * - * The detail objects survived the Tcl_EvalObjv without change because of - * the contract. Therefore there is no need to decrement the refcounts. Only - * the internal method object has to be disposed of. - */ - - Tcl_DecrRefCount(methObj); - - /* * The resObj has a ref count of 1 at this location. This means that the * caller of InvokeTclMethod has to dispose of it (but only if it was * returned to it). @@ -2827,17 +2712,19 @@ ForwardProc( * call upon for the driver. */ - case ForwardedClose: + case ForwardedClose: { /* * No parameters/results. */ - if (InvokeTclMethod(rcPtr, "finalize", NULL, NULL, &resObj)!=TCL_OK) { + Tcl_ChannelType *tctPtr; + + if (InvokeTclMethod(rcPtr, METH_FINAL, NULL, NULL, &resObj)!=TCL_OK) { ForwardSetObjError(paramPtr, resObj); } /* - * Freeing is done here, in the origin thread, because the argv[] + * Freeing is done here, in the origin thread, callback command * objects belong to this thread. Deallocating them in a different * thread is not allowed * @@ -2856,15 +2743,21 @@ ForwardProc( Tcl_GetChannelName (rcPtr->chan)); Tcl_DeleteHashEntry (hPtr); + tctPtr = ((Channel *)rcPtr->chan)->typePtr; + if (tctPtr && tctPtr != &tclRChannelType) { + ckfree((char *)tctPtr); + ((Channel *)rcPtr->chan)->typePtr = NULL; + } Tcl_EventuallyFree (rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); break; + } case ForwardedInput: { Tcl_Obj *toReadObj = Tcl_NewIntObj(paramPtr->input.toRead); Tcl_IncrRefCount(toReadObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "read", toReadObj, NULL, &resObj)!=TCL_OK){ + if (InvokeTclMethod(rcPtr, METH_READ, toReadObj, NULL, &resObj)!=TCL_OK){ int code = ErrnoReturn (rcPtr, resObj); if (code < 0) { @@ -2904,7 +2797,7 @@ ForwardProc( Tcl_IncrRefCount(bufObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "write", bufObj, NULL, &resObj) != TCL_OK) { + if (InvokeTclMethod(rcPtr, METH_WRITE, bufObj, NULL, &resObj) != TCL_OK) { int code = ErrnoReturn(rcPtr, resObj); if (code < 0) { @@ -2945,7 +2838,7 @@ ForwardProc( Tcl_IncrRefCount(baseObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "seek", offObj, baseObj, &resObj)!=TCL_OK){ + if (InvokeTclMethod(rcPtr, METH_SEEK, offObj, baseObj, &resObj)!=TCL_OK){ ForwardSetObjError(paramPtr, resObj); paramPtr->seek.offset = -1; } else { @@ -2979,7 +2872,7 @@ ForwardProc( /* assert maskObj.refCount == 1 */ Tcl_Preserve(rcPtr); - (void) InvokeTclMethod(rcPtr, "watch", maskObj, NULL, NULL); + (void) InvokeTclMethod(rcPtr, METH_WATCH, maskObj, NULL, NULL); Tcl_DecrRefCount(maskObj); Tcl_Release(rcPtr); break; @@ -2990,7 +2883,7 @@ ForwardProc( Tcl_IncrRefCount(blockObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "blocking", blockObj, NULL, + if (InvokeTclMethod(rcPtr, METH_BLOCKING, blockObj, NULL, &resObj) != TCL_OK) { ForwardSetObjError(paramPtr, resObj); } @@ -3006,7 +2899,7 @@ ForwardProc( Tcl_IncrRefCount(optionObj); Tcl_IncrRefCount(valueObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "configure", optionObj, valueObj, + if (InvokeTclMethod(rcPtr, METH_CONFIGURE, optionObj, valueObj, &resObj) != TCL_OK) { ForwardSetObjError(paramPtr, resObj); } @@ -3025,7 +2918,7 @@ ForwardProc( Tcl_IncrRefCount(optionObj); Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "cget", optionObj, NULL, &resObj)!=TCL_OK){ + if (InvokeTclMethod(rcPtr, METH_CGET, optionObj, NULL, &resObj)!=TCL_OK){ ForwardSetObjError(paramPtr, resObj); } else { Tcl_DStringAppend(paramPtr->getOpt.value, @@ -3042,7 +2935,7 @@ ForwardProc( */ Tcl_Preserve(rcPtr); - if (InvokeTclMethod(rcPtr, "cgetall", NULL, NULL, &resObj) != TCL_OK){ + if (InvokeTclMethod(rcPtr, METH_CGETALL, NULL, NULL, &resObj) != TCL_OK){ ForwardSetObjError(paramPtr, resObj); } else { /* diff --git a/generic/tclInt.h b/generic/tclInt.h index 74a2ded..b30650d 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -2552,6 +2552,7 @@ MODULE_SCOPE void TclFinalizeObjects(void); MODULE_SCOPE void TclFinalizePreserve(void); MODULE_SCOPE void TclFinalizeSynchronization(void); MODULE_SCOPE void TclFinalizeThreadAlloc(void); +MODULE_SCOPE void TclFinalizeThreadAllocThread(void); MODULE_SCOPE void TclFinalizeThreadData(void); MODULE_SCOPE void TclFinalizeThreadObjects(void); MODULE_SCOPE double TclFloor(mp_int *a); @@ -3671,6 +3672,24 @@ MODULE_SCOPE void TclDbInitNewObj(Tcl_Obj *objPtr, CONST char *file, /* *---------------------------------------------------------------- + * Macro that encapsulates the logic that determines when it is safe to + * interpret a string as a byte array directly. In summary, the object must be + * a byte array and must not have a string representation (as the operations + * that it is used in are defined on strings, not byte arrays). Theoretically + * it is possible to also be efficient in the case where the object's bytes + * field is filled by generation from the byte array (c.f. list canonicality) + * but we don't do that at the moment since this is purely about efficiency. + * The ANSI C "prototype" for this macro is: + * + * MODULE_SCOPE int TclIsPureByteArray(Tcl_Obj *objPtr); + *---------------------------------------------------------------- + */ + +#define TclIsPureByteArray(objPtr) \ + (((objPtr)->typePtr==&tclByteArrayType) && ((objPtr)->bytes==NULL)) + +/* + *---------------------------------------------------------------- * Macro used by the Tcl core to compare Unicode strings. On big-endian * systems we can use the more efficient memcmp, but this would not be * lexically correct on little-endian systems. The ANSI C "prototype" for diff --git a/generic/tclIntPlatDecls.h b/generic/tclIntPlatDecls.h index 80dd2ad..fc20d09 100644 --- a/generic/tclIntPlatDecls.h +++ b/generic/tclIntPlatDecls.h @@ -847,9 +847,15 @@ extern TclIntPlatStubs *tclIntPlatStubsPtr; #undef TclpLocaltime_unix #undef TclpGmtime_unix -#if defined(__WIN32__) || defined(__CYGWIN__) +#if defined(__WIN32__) # undef TclWinNToHS +# undef TclWinGetServByName +# undef TclWinGetSockOpt +# undef TclWinSetSockOpt # define TclWinNToHS ntohs +# define TclWinGetServByName getservbyname +# define TclWinGetSockOpt getsockopt +# define TclWinSetSockOpt setsockopt #else # undef TclpGetPid # define TclpGetPid(pid) ((unsigned long) (pid)) diff --git a/generic/tclStubInit.c b/generic/tclStubInit.c index 99f3e4b..6499bc2 100644 --- a/generic/tclStubInit.c +++ b/generic/tclStubInit.c @@ -33,6 +33,9 @@ #undef Tcl_CreateHashEntry #undef TclpGetPid #undef TclSockMinimumBuffers +#undef TclWinGetServByName +#undef TclWinGetSockOpt +#undef TclWinSetSockOpt #define TclUnusedStubEntry NULL /* @@ -104,7 +107,8 @@ TclpIsAtty(int fd) return isatty(fd); } -int +#define TclWinGetPlatformId winGetPlatformId +static int TclWinGetPlatformId() { /* Don't bother to determine the real platform on cygwin, @@ -120,27 +124,31 @@ void *TclWinGetTclInstance() return hInstance; } -int +#define TclWinSetSockOpt winSetSockOpt +static int TclWinSetSockOpt(SOCKET s, int level, int optname, const char *optval, int optlen) { return setsockopt((int) s, level, optname, optval, optlen); } -int +#define TclWinGetSockOpt winGetSockOpt +static int TclWinGetSockOpt(SOCKET s, int level, int optname, char *optval, int *optlen) { return getsockopt((int) s, level, optname, optval, optlen); } -struct servent * +#define TclWinGetServByName winGetServByName +static struct servent * TclWinGetServByName(const char *name, const char *proto) { return getservbyname(name, proto); } -char * +#define TclWinNoBackslash winNoBackslash +static char * TclWinNoBackslash(char *path) { char *p; diff --git a/generic/tclThread.c b/generic/tclThread.c index 8384107..d6b5bcb 100644 --- a/generic/tclThread.c +++ b/generic/tclThread.c @@ -338,8 +338,9 @@ Tcl_ConditionFinalize( * * TclFinalizeThreadData -- * - * This function cleans up the thread-local storage. This is called once - * for each thread. + * This function cleans up the thread-local storage. Secondary, it cleans + * thread alloc cache. + * This is called once for each thread before thread exits. * * Results: * None. @@ -354,6 +355,9 @@ void TclFinalizeThreadData(void) { TclpFinalizeThreadDataThread(); +#if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC) + TclFinalizeThreadAllocThread(); +#endif } /* diff --git a/generic/tclThreadAlloc.c b/generic/tclThreadAlloc.c index 2e74fa7..106e908 100644 --- a/generic/tclThreadAlloc.c +++ b/generic/tclThreadAlloc.c @@ -1012,6 +1012,33 @@ TclFinalizeThreadAlloc(void) TclpFreeAllocCache(NULL); } +/* + *---------------------------------------------------------------------- + * + * TclFinalizeThreadAllocThread -- + * + * This procedure is used to destroy single thread private resources used + * in this file. + * Called in TclpFinalizeThreadData when a thread exits (Tcl_FinalizeThread). + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +TclFinalizeThreadAllocThread(void) +{ + Cache *cachePtr = TclpGetAllocCache(); + if (cachePtr != NULL) { + TclpFreeAllocCache(cachePtr); + } +} + #else /* !(TCL_THREADS && USE_THREAD_ALLOC) */ /* *---------------------------------------------------------------------- diff --git a/generic/tclUtil.c b/generic/tclUtil.c index 5f4cdae..8c6adfe 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -2334,7 +2334,7 @@ TclStringMatchObj( udata = Tcl_GetUnicodeFromObj(strObj, &length); uptn = Tcl_GetUnicodeFromObj(ptnObj, &plen); match = TclUniCharMatch(udata, length, uptn, plen, flags); - } else if ((strObj->typePtr == &tclByteArrayType) && !flags) { + } else if (TclIsPureByteArray(strObj) && !flags) { unsigned char *data, *ptn; data = Tcl_GetByteArrayFromObj(strObj, &length); diff --git a/tests/chanio.test b/tests/chanio.test index b195f7b..2f2540e 100644 --- a/tests/chanio.test +++ b/tests/chanio.test @@ -41,7 +41,7 @@ namespace eval ::tcl::test::io { # You need a *very* special environment to do some tests. In # particular, many file systems do not support large-files... - testConstraint largefileSupport 0 + testConstraint largefileSupport [expr {$::tcl_platform(os) ne "Darwin"}] # some tests can only be run is umask is 2 # if "umask" cannot be run, the tests will be skipped. @@ -4427,10 +4427,10 @@ test chan-io-34.21 {Tcl_Seek and Tcl_Tell on large files} {largefileSupport} { chan puts -nonewline $f abcdef lappend l [chan tell $f] chan close $f - lappend l [file size $f] + lappend l [file size $path(test3)] # truncate... chan close [open $path(test3) w] - lappend l [file size $f] + lappend l [file size $path(test3)] set l } {0 6 6 4294967296 4294967302 4294967302 0} diff --git a/tests/clock.test b/tests/clock.test index fea1fc9..7d62a60 100644 --- a/tests/clock.test +++ b/tests/clock.test @@ -36927,6 +36927,15 @@ test clock-67.1 {clock format, %% with a letter following [Bug 2819334]} { clock format [clock seconds] -format %%r } %r +test clock-67.2 {Bug d19a30db57} -body { + # error, not segfault + tcl::clock::GetJulianDayFromEraYearMonthDay {} 2361222 +} -returnCodes error -match glob -result * +test clock-67.3 {Bug d19a30db57} -body { + # error, not segfault + tcl::clock::GetJulianDayFromEraYearWeekDay {} 2361222 +} -returnCodes error -match glob -result * + # cleanup namespace delete ::testClock diff --git a/tests/io.test b/tests/io.test index bfe6051..d9f133c 100644 --- a/tests/io.test +++ b/tests/io.test @@ -41,7 +41,7 @@ testConstraint testthread [llength [info commands testthread]] # You need a *very* special environment to do some tests. In # particular, many file systems do not support large-files... -testConstraint largefileSupport 0 +testConstraint largefileSupport [expr {$::tcl_platform(os) ne "Darwin"}] # some tests can only be run is umask is 2 # if "umask" cannot be run, the tests will be skipped. @@ -6626,11 +6626,23 @@ test io-52.4 {TclCopyChannel} {fcopy} { fconfigure $f1 -translation lf -blocking 0 fconfigure $f2 -translation cr -blocking 0 fcopy $f1 $f2 -size 40 - set result [list [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]] + set result [list [fblocked $f1] [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]] + close $f1 + close $f2 + lappend result [file size $path(test1)] +} {0 0 0 40} +test io-52.4.1 {TclCopyChannel} {fcopy} { + file delete $path(test1) + set f1 [open $thisScript] + set f2 [open $path(test1) w] + fconfigure $f1 -translation lf -blocking 0 -buffersize 10000000 + fconfigure $f2 -translation cr -blocking 0 + fcopy $f1 $f2 -size 40 + set result [list [fblocked $f1] [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]] close $f1 close $f2 lappend result [file size $path(test1)] -} {0 0 40} +} {0 0 0 40} test io-52.5 {TclCopyChannel, all} {fcopy} { file delete $path(test1) set f1 [open $thisScript] diff --git a/tests/ioCmd.test b/tests/ioCmd.test index 8f0bfbf..5a76d48 100644 --- a/tests/ioCmd.test +++ b/tests/ioCmd.test @@ -755,6 +755,90 @@ test iocmd-21.19 {chan create, init failure -> no channel, no finalize} -match g rename foo {} set res } -result {{} {initialize rc* {read write}} 1 {*all required methods*} {}} +test iocmd-21.20 {Bug 88aef05cda} -setup { + proc foo {method chan args} { + switch -- $method blocking { + chan configure $chan -blocking [lindex $args 0] + return + } initialize { + return {initialize finalize watch blocking read write + configure cget cgetall} + } finalize { + return + } + } + set ch [chan create {read write} foo] +} -body { + list [catch {chan configure $ch -blocking 0} m] $m +} -cleanup { + close $ch + rename foo {} +} -match glob -result {1 {*nested eval*}} +test iocmd-21.21 {[close] in [read] segfaults} -setup { + proc foo {method chan args} { + switch -- $method initialize { + return {initialize finalize watch read} + } finalize {} watch {} read { + close $chan + return a + } + } + set ch [chan create read foo] +} -body { + read $ch 0 +} -cleanup { + close $ch + rename foo {} +} -result {} +test iocmd-21.22 {[close] in [read] segfaults} -setup { + proc foo {method chan args} { + switch -- $method initialize { + return {initialize finalize watch read} + } finalize {} watch {} read { + catch {close $chan} + return a + } + } + set ch [chan create read foo] +} -body { + read $ch 1 +} -returnCodes error -cleanup { + catch {close $ch} + rename foo {} +} -match glob -result {*invalid argument*} +test iocmd-21.23 {[close] in [gets] segfaults} -setup { + proc foo {method chan args} { + switch -- $method initialize { + return {initialize finalize watch read} + } finalize {} watch {} read { + catch {close $chan} + return \n + } + } + set ch [chan create read foo] +} -body { + gets $ch +} -cleanup { + catch {close $ch} + rename foo {} +} -result {} +test iocmd-21.24 {[close] in binary [gets] segfaults} -setup { + proc foo {method chan args} { + switch -- $method initialize { + return {initialize finalize watch read} + } finalize {} watch {} read { + catch {close $chan} + return \n + } + } + set ch [chan create read foo] +} -body { + chan configure $ch -translation binary + gets $ch +} -cleanup { + catch {close $ch} + rename foo {} +} -result {} # --- --- --- --------- --------- --------- # Helper commands to record the arguments to handler methods. @@ -1013,6 +1097,20 @@ test iocmd-23.10 {chan read, EAGAIN means no data, yet no eof either} -match glo rename foo {} unset res } -result {{read rc* 4096} {} 0} +test iocmd-23.11 {chan read, close pulls the rug out} -match glob -body { + set res {} + proc foo {args} { + oninit; onfinal; track + set args [lassign $args sub id] + if {$sub ne "read"} {return} + close $id + return {} + } + set c [chan create {r} foo] + note [read $c] + rename foo {} + set res +} -result {{read rc* 4096} {}} # --- === *** ########################### # method write @@ -1927,8 +2025,6 @@ test iocmd-32.0 {origin interpreter of moved channel gone} -match glob -body { test iocmd-32.1 {origin interpreter of moved channel destroyed during access} -match glob -body { - # This test segfaults; Ought to fix that. - set ida [interp create];#puts <<$ida>> set idb [interp create];#puts <<$idb>> @@ -1942,7 +2038,8 @@ test iocmd-32.1 {origin interpreter of moved channel destroyed during access} -m proc foo {args} { oninit; onfinal; track; # destroy interpreter during channel access - suicide} + suicide + } set chan [chan create {r w} foo] fconfigure $chan -buffering none set chan @@ -1966,8 +2063,7 @@ test iocmd-32.1 {origin interpreter of moved channel destroyed during access} -m set res }] set res -} -constraints {testchannel knownBug} \ - -result {Owner lost} +} -constraints {testchannel} -result {Owner lost} test iocmd-32.2 {delete interp of reflected chan} { # Bug 3034840 diff --git a/tests/iogt.test b/tests/iogt.test index 0a25418..0e2eb3c 100644 --- a/tests/iogt.test +++ b/tests/iogt.test @@ -242,6 +242,36 @@ proc id_fulltrail {var op data} { return $res } +proc id_torture {chan op data} { + switch -- $op { + create/write - + create/read - + delete/write - + delete/read - + clear_read {;#ignore} + flush/write - + flush/read {} + write { + global level + if {$level} { + return + } + incr level + testchannel unstack $chan + testchannel transform $chan \ + -command [namespace code [list id_torture $chan]] + return $data + } + read { + testchannel unstack $chan + testchannel transform $chan \ + -command [namespace code [list id_torture $chan]] + return $data + } + query/maxRead {return -1} + } +} + proc counter {var op data} { variable $var upvar 0 $var n @@ -364,6 +394,10 @@ proc audit_flow {var -attach channel} { testchannel transform $channel -command [namespace code [list id_fulltrail $var]] } +proc torture {-attach channel} { + testchannel transform $channel -command [namespace code [list id_torture $channel]] +} + proc stopafter {var n -attach channel} { variable $var upvar 0 $var vn @@ -632,6 +666,24 @@ delete/read {} *ignored* flush/write {} {} delete/write {} *ignored*} +test iogt-2.4 {basic I/O, mixed trail} {testchannel} { + set fh [open $path(dummy) r] + torture -attach $fh + chan configure $fh -buffersize 2 + set x [read $fh] + testchannel unstack $fh + close $fh + set x +} {} +test iogt-2.5 {basic I/O, mixed trail} {testchannel} { + set ::level 0 + set fh [open $path(dummyout) w] + torture -attach $fh + puts -nonewline $fh abcdef + flush $fh + testchannel unstack $fh + close $fh +} {} test iogt-3.0 {Tcl_Channel valid after stack/unstack, fevent handling} \ {testchannel knownBug} { diff --git a/tests/socket.test b/tests/socket.test index 0ae5abd..1b7c5fa 100644 --- a/tests/socket.test +++ b/tests/socket.test @@ -67,6 +67,10 @@ namespace import -force ::tcltest::* testConstraint testthread [llength [info commands testthread]] testConstraint exec [llength [info commands exec]] +# Produce a random port number in the Dynamic/Private range +# from 49152 through 65535. +proc randport {} { expr {int(rand()*16383+49152)} } + # If remoteServerIP or remoteServerPort are not set, check in the # environment variables for externally set values. # @@ -1683,6 +1687,37 @@ if {[string match sock* $commandSocket] == 1} { } catch {close $commandSocket} catch {close $remoteProcChan} +test socket-14.13 {testing writable event when quick failure} -constraints {socket win supported_inet} -body { + # Test for bug 336441ed59 where a quick background fail was ignored + + # Test only for windows as socket -async 255.255.255.255 fails + # directly on unix + + # The following connect should fail very quickly + set a1 [after 2000 {set x timeout}] + set s [socket -async 255.255.255.255 43434] + fileevent $s writable {set x writable} + vwait x + set x +} -cleanup { + catch {close $s} + after cancel $a1 +} -result writable + +test socket-14.14 {testing fileevent readable on failed async socket connect} -constraints [list socket] -body { + # Test for bug 581937ab1e + + set a1 [after 5000 {set x timeout}] + # This connect should fail + set s [socket -async localhost [randport]] + fileevent $s readable {set x readable} + vwait x + set x +} -cleanup { + catch {close $s} + after cancel $a1 +} -result readable + ::tcltest::cleanupTests flush stdout return diff --git a/unix/Makefile.in b/unix/Makefile.in index c7caf5b..746abde 100644 --- a/unix/Makefile.in +++ b/unix/Makefile.in @@ -736,6 +736,9 @@ install-binaries: binaries @INSTALL_STUB_LIB@ ; \ fi @EXTRA_INSTALL_BINARIES@ + @echo "Installing pkg-config file to $(LIB_INSTALL_DIR)/pkgconfig/" + @mkdir -p $(LIB_INSTALL_DIR)/pkgconfig + @$(INSTALL_DATA) tcl.pc $(LIB_INSTALL_DIR)/pkgconfig/tcl.pc install-libraries: libraries $(INSTALL_TZDATA) install-msgs @for i in "$(INCLUDE_INSTALL_DIR)" "$(SCRIPT_INSTALL_DIR)"; \ @@ -905,7 +908,8 @@ clean: distclean: clean rm -rf Makefile config.status config.cache config.log tclConfig.sh \ - $(PACKAGE).* prototype tclConfig.h *.plist Tcl.framework + $(PACKAGE).* prototype tclConfig.h *.plist Tcl.framework \ + tcl.pc cd dltest ; $(MAKE) distclean depend: @@ -1657,7 +1661,7 @@ $(UNIX_DIR)/tclConfig.h.in: $(MAC_OSX_DIR)/configure cd $(MAC_OSX_DIR); autoheader; touch $@ EOLFIX=$(NATIVE_TCLSH) $(TOOL_DIR)/eolFix.tcl -dist: $(UNIX_DIR)/configure $(UNIX_DIR)/tclConfig.h.in $(MAC_OSX_DIR)/configure genstubs +dist: $(UNIX_DIR)/configure $(UNIX_DIR)/tclConfig.h.in $(UNIX_DIR)/tcl.pc.in $(MAC_OSX_DIR)/configure genstubs rm -rf $(DISTDIR) mkdir -p $(DISTDIR)/unix cp -p $(UNIX_DIR)/*.[ch] $(DISTDIR)/unix @@ -1668,7 +1672,7 @@ dist: $(UNIX_DIR)/configure $(UNIX_DIR)/tclConfig.h.in $(MAC_OSX_DIR)/configure $(UNIX_DIR)/tclConfig.sh.in $(UNIX_DIR)/install-sh \ $(UNIX_DIR)/README $(UNIX_DIR)/ldAix $(UNIX_DIR)/tcl.spec \ $(UNIX_DIR)/installManPage $(UNIX_DIR)/tclConfig.h.in \ - $(DISTDIR)/unix + $(UNIX_DIR)/tcl.pc.in $(DISTDIR)/unix chmod 775 $(DISTDIR)/unix/configure $(DISTDIR)/unix/configure.in chmod 775 $(DISTDIR)/unix/ldAix @mkdir $(DISTDIR)/generic diff --git a/unix/configure b/unix/configure index 1b2ea41..d268647 100755 --- a/unix/configure +++ b/unix/configure @@ -7010,9 +7010,9 @@ echo "$as_me: error: CYGWIN compile is only supported with --enable-threads" >&2 fi do64bit_ok=yes if test "x${SHARED_BUILD}" = "x1"; then - echo "running cd ../win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args" + echo "running cd ${TCL_SRC_DIR}/win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args" # The eval makes quoting arguments work. - if cd ../win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix + if cd ${TCL_SRC_DIR}/win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix then : else { echo "configure: error: configure failed for ../win" 1>&2; exit 1; } @@ -18915,7 +18915,7 @@ TCL_SHARED_BUILD=${SHARED_BUILD} - ac_config_files="$ac_config_files Makefile:../unix/Makefile.in dltest/Makefile:../unix/dltest/Makefile.in tclConfig.sh:../unix/tclConfig.sh.in" + ac_config_files="$ac_config_files Makefile:../unix/Makefile.in dltest/Makefile:../unix/dltest/Makefile.in tclConfig.sh:../unix/tclConfig.sh.in tcl.pc:../unix/tcl.pc.in" cat >confcache <<\_ACEOF # This file is a shell script that caches the results of configure @@ -19469,6 +19469,7 @@ do "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile:../unix/Makefile.in" ;; "dltest/Makefile" ) CONFIG_FILES="$CONFIG_FILES dltest/Makefile:../unix/dltest/Makefile.in" ;; "tclConfig.sh" ) CONFIG_FILES="$CONFIG_FILES tclConfig.sh:../unix/tclConfig.sh.in" ;; + "tcl.pc" ) CONFIG_FILES="$CONFIG_FILES tcl.pc:../unix/tcl.pc.in" ;; "Tcl.framework" ) CONFIG_COMMANDS="$CONFIG_COMMANDS Tcl.framework" ;; *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5 echo "$as_me: error: invalid argument: $ac_config_target" >&2;} diff --git a/unix/configure.in b/unix/configure.in index b5a09dd..318bcf8 100644 --- a/unix/configure.in +++ b/unix/configure.in @@ -940,5 +940,6 @@ AC_CONFIG_FILES([ Makefile:../unix/Makefile.in dltest/Makefile:../unix/dltest/Makefile.in tclConfig.sh:../unix/tclConfig.sh.in + tcl.pc:../unix/tcl.pc.in ]) AC_OUTPUT diff --git a/unix/tcl.m4 b/unix/tcl.m4 index 10408a8..b6c86b6 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -1266,9 +1266,9 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ fi do64bit_ok=yes if test "x${SHARED_BUILD}" = "x1"; then - echo "running cd ../win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args" + echo "running cd ${TCL_SRC_DIR}/win; ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args" # The eval makes quoting arguments work. - if cd ../win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix + if cd ${TCL_SRC_DIR}/win; eval ${CONFIG_SHELL-/bin/sh} ./configure $ac_configure_args; cd ../unix then : else { echo "configure: error: configure failed for ../win" 1>&2; exit 1; } diff --git a/unix/tcl.pc.in b/unix/tcl.pc.in new file mode 100644 index 0000000..b750300 --- /dev/null +++ b/unix/tcl.pc.in @@ -0,0 +1,14 @@ +# tcl pkg-config source file + +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: Tool Command Language +Description: Tcl is a powerful, easy-to-learn dynamic programming language, suitable for a wide range of uses. +URL: http://www.tcl.tk/ +Version: @TCL_VERSION@@TCL_PATCH_LEVEL@ +Libs: -L${libdir} @TCL_LIB_FLAG@ +Libs.private: @TCL_LIBS@ +Cflags: -I${includedir} diff --git a/unix/tclUnixThrd.c b/unix/tclUnixThrd.c index ad36242..d30791d 100644 --- a/unix/tclUnixThrd.c +++ b/unix/tclUnixThrd.c @@ -814,6 +814,7 @@ TclpFreeAllocCache( */ TclFreeAllocCache(ptr); + pthread_setspecific(key, NULL); } else if (initialized) { /* diff --git a/win/tclWinFCmd.c b/win/tclWinFCmd.c index 8999831..441337e 100644 --- a/win/tclWinFCmd.c +++ b/win/tclWinFCmd.c @@ -1156,7 +1156,12 @@ DoRemoveJustDirectory( end: if (errorPtr != NULL) { + char *p; Tcl_WinTCharToUtf(nativePath, -1, errorPtr); + p = Tcl_DStringValue(errorPtr); + for (; *p; ++p) { + if (*p == '\\') *p = '/'; + } } return TCL_ERROR; diff --git a/win/tclWinFile.c b/win/tclWinFile.c index 676c443..ed0c40f 100644 --- a/win/tclWinFile.c +++ b/win/tclWinFile.c @@ -3197,17 +3197,14 @@ TclNativeCreateNativeRep( } str = Tcl_GetStringFromObj(validPathPtr, &len); - if (str[0] == '/' && str[1] == '/' && str[2] == '?' && str[3] == '/') { - char *p; - - for (p = str; p && *p; ++p) { - if (*p == '/') { - *p = '\\'; - } - } - } Tcl_WinUtfToTChar(str, len, &ds); if (tclWinProcs->useWide) { + WCHAR *wp = (WCHAR *) Tcl_DStringValue(&ds); + for (; *wp; ++wp) { + if (*wp=='/') { + *wp = '\\'; + } + } len = Tcl_DStringLength(&ds) + sizeof(WCHAR); } else { len = Tcl_DStringLength(&ds) + sizeof(char); diff --git a/win/tclWinInit.c b/win/tclWinInit.c index 2f3c7e8..4e860b2 100644 --- a/win/tclWinInit.c +++ b/win/tclWinInit.c @@ -113,8 +113,8 @@ static int ToUtf(CONST WCHAR *wSrc, char *dst); * * TclpInitPlatform -- * - * Initialize all the platform-dependant things like signals and - * floating-point error handling. + * Initialize all the platform-dependant things like signals, + * floating-point error handling and sockets. * * Called at process initialization time. * @@ -130,20 +130,16 @@ static int ToUtf(CONST WCHAR *wSrc, char *dst); void TclpInitPlatform(void) { - tclPlatform = TCL_PLATFORM_WINDOWS; + WSADATA wsaData; + WORD wVersionRequested = MAKEWORD(2, 2); - /* - * The following code stops Windows 3.X and Windows NT 3.51 from - * automatically putting up Sharing Violation dialogs, e.g, when someone - * tries to access a file that is locked or a drive with no disk in it. - * Tcl already returns the appropriate error to the caller, and they can - * decide to put up their own dialog in response to that failure. - * - * Under 95 and NT 4.0, this is a NOOP because the system doesn't - * automatically put up dialogs when the above operations fail. - */ + tclPlatform = TCL_PLATFORM_WINDOWS; - SetErrorMode(SetErrorMode(0) | SEM_FAILCRITICALERRORS); + /* + * Initialize the winsock library. On Windows XP and higher this + * can never fail. + */ + WSAStartup(wVersionRequested, &wsaData); #ifdef STATIC_BUILD /* diff --git a/win/tclWinPort.h b/win/tclWinPort.h index ec9e867..ea6d8f8 100644 --- a/win/tclWinPort.h +++ b/win/tclWinPort.h @@ -448,15 +448,6 @@ typedef DWORD_PTR * PDWORD_PTR; #define TclpSysRealloc(ptr, size) ((void*)HeapReAlloc(GetProcessHeap(), \ (DWORD)0, (LPVOID)ptr, (DWORD)size)) -/* - * The following defines map from standard socket names to our internal - * wrappers that redirect through the winSock function table (see the - * file tclWinSock.c). - */ - -#define getservbyname TclWinGetServByName -#define getsockopt TclWinGetSockOpt -#define setsockopt TclWinSetSockOpt /* This type is not defined in the Windows headers */ #define socklen_t int diff --git a/win/tclWinSock.c b/win/tclWinSock.c index 9fa01c9..e18a3dd 100644 --- a/win/tclWinSock.c +++ b/win/tclWinSock.c @@ -98,29 +98,31 @@ static ProcessGlobalValue hostName = { /* * The following structure is used to store the data associated with each * socket. + * All members modified by the notifier thread are defined as volatile. */ typedef struct SocketInfo { Tcl_Channel channel; /* Channel associated with this socket. */ SOCKET socket; /* Windows SOCKET handle. */ - int flags; /* Bit field comprised of the flags described + volatile int flags; /* Bit field comprised of the flags described * below. */ int watchEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events are interesting. */ - int readyEvents; /* OR'ed combination of FD_READ, FD_WRITE, + volatile int readyEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events have occurred. */ int selectEvents; /* OR'ed combination of FD_READ, FD_WRITE, * FD_CLOSE, FD_ACCEPT and FD_CONNECT that * indicate which events are currently being * selected. */ - int acceptEventCount; /* Count of the current number of FD_ACCEPTs + volatile int acceptEventCount; + /* Count of the current number of FD_ACCEPTs * that have arrived and not yet processed. */ Tcl_TcpAcceptProc *acceptProc; /* Proc to call on accept. */ ClientData acceptProcData; /* The data for the accept proc. */ - int lastError; /* Error code from last message. */ + volatile int lastError; /* Error code from last message. */ struct SocketInfo *nextPtr; /* The next socket on the per-thread socket * list. */ } SocketInfo; @@ -167,6 +169,10 @@ typedef struct { * socketThread has been initialized and has * started. */ HANDLE socketListLock; /* Win32 Event to lock the socketList */ + SocketInfo *pendingSocketInfo; + /* This socket is opened but not jet in the + * list. This value is also checked by + * the event structure. */ SocketInfo *socketList; /* Every open socket in this thread has an * entry on this list. */ } ThreadSpecificData; @@ -257,8 +263,6 @@ static void InitSockets(void) { DWORD id; - WSADATA wsaData; - DWORD err; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) TclThreadDataKeyGet(&dataKey); @@ -289,38 +293,6 @@ InitSockets(void) goto initFailure; } - /* - * Initialize the winsock library and check the interface version - * actually loaded. We only ask for the 1.1 interface and do require - * that it not be less than 1.1. - */ - -#define WSA_VERSION_MAJOR 1 -#define WSA_VERSION_MINOR 1 -#define WSA_VERSION_REQD MAKEWORD(WSA_VERSION_MAJOR, WSA_VERSION_MINOR) - - err = WSAStartup((WORD)WSA_VERSION_REQD, &wsaData); - if (err != 0) { - TclWinConvertWSAError(err); - goto initFailure; - } - - /* - * Note the byte positions are swapped for the comparison, so that - * 0x0002 (2.0, MAKEWORD(2,0)) doesn't look less than 0x0101 (1.1). - * We want the comparison to be 0x0200 < 0x0101. - */ - - if (MAKEWORD(HIBYTE(wsaData.wVersion), LOBYTE(wsaData.wVersion)) - < MAKEWORD(WSA_VERSION_MINOR, WSA_VERSION_MAJOR)) { - TclWinConvertWSAError(WSAVERNOTSUPPORTED); - WSACleanup(); - goto initFailure; - } - -#undef WSA_VERSION_REQD -#undef WSA_VERSION_MAJOR -#undef WSA_VERSION_MINOR } /* @@ -329,6 +301,7 @@ InitSockets(void) if (tsdPtr == NULL) { tsdPtr = TCL_TSD_INIT(&dataKey); + tsdPtr->pendingSocketInfo = NULL; tsdPtr->socketList = NULL; tsdPtr->hwnd = NULL; tsdPtr->threadId = Tcl_GetCurrentThread(); @@ -427,7 +400,6 @@ SocketExitHandler( TclpFinalizeSockets(); UnregisterClass("TclSocket", TclWinGetTclInstance()); - WSACleanup(); initialized = 0; Tcl_MutexUnlock(&socketMutex); } @@ -712,44 +684,52 @@ SocketEventProc( Tcl_SetMaxBlockTime(&blockTime); mask |= TCL_READABLE|TCL_WRITABLE; } else if (events & FD_READ) { - fd_set readFds; - struct timeval timeout; - /* - * We must check to see if data is really available, since someone - * could have consumed the data in the meantime. Turn off async - * notification so select will work correctly. If the socket is still - * readable, notify the channel driver, otherwise reset the async - * select handler and keep waiting. + * Throw the readable event if an async connect failed. */ - SendMessage(tsdPtr->hwnd, SOCKET_SELECT, - (WPARAM) UNSELECT, (LPARAM) infoPtr); - - FD_ZERO(&readFds); - FD_SET(infoPtr->socket, &readFds); - timeout.tv_usec = 0; - timeout.tv_sec = 0; + if (infoPtr->lastError) { - if (select(0, &readFds, NULL, NULL, &timeout) != 0) { mask |= TCL_READABLE; + } else { - infoPtr->readyEvents &= ~(FD_READ); - SendMessage(tsdPtr->hwnd, SOCKET_SELECT, - (WPARAM) SELECT, (LPARAM) infoPtr); - } - } - if (events & (FD_WRITE | FD_CONNECT)) { - mask |= TCL_WRITABLE; - if (events & FD_CONNECT && infoPtr->lastError != NO_ERROR) { + fd_set readFds; + struct timeval timeout; + /* - * Connect errors should also fire the readable handler. + * We must check to see if data is really available, since someone + * could have consumed the data in the meantime. Turn off async + * notification so select will work correctly. If the socket is still + * readable, notify the channel driver, otherwise reset the async + * select handler and keep waiting. */ - mask |= TCL_READABLE; + SendMessage(tsdPtr->hwnd, SOCKET_SELECT, + (WPARAM) UNSELECT, (LPARAM) infoPtr); + + FD_ZERO(&readFds); + FD_SET(infoPtr->socket, &readFds); + timeout.tv_usec = 0; + timeout.tv_sec = 0; + + if (select(0, &readFds, NULL, NULL, &timeout) != 0) { + mask |= TCL_READABLE; + } else { + infoPtr->readyEvents &= ~(FD_READ); + SendMessage(tsdPtr->hwnd, SOCKET_SELECT, + (WPARAM) SELECT, (LPARAM) infoPtr); + } } } + /* + * writable event + */ + + if (events & FD_WRITE) { + mask |= TCL_WRITABLE; + } + if (mask) { Tcl_NotifyChannel(infoPtr->channel, mask); } @@ -815,7 +795,7 @@ TcpCloseProc( SocketInfo *infoPtr = (SocketInfo *) instanceData; /* TIP #218 */ int errorCode = 0; - /* ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); */ + ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); /* * Check that WinSock is initialized; do not call it if not, to prevent @@ -837,6 +817,23 @@ TcpCloseProc( } /* + * Clear an eventual tsd info list pointer. + * This may be called, if an async socket connect fails or is closed + * between connect and thread action callback. + */ + if (tsdPtr->pendingSocketInfo != NULL + && tsdPtr->pendingSocketInfo == infoPtr) { + + /* get infoPtr lock, because this concerns the notifier thread */ + WaitForSingleObject(tsdPtr->socketListLock, INFINITE); + + tsdPtr->pendingSocketInfo = NULL; + + /* Free list lock */ + SetEvent(tsdPtr->socketListLock); + } + + /* * TIP #218. Removed the code removing the structure from the global * socket list. This is now done by the thread action callbacks, and only * there. This happens before this code is called. We can free without @@ -923,12 +920,10 @@ CreateSocket( * asynchronously. */ { u_long flag = 1; /* Indicates nonblocking mode. */ - int asyncConnect = 0; /* Will be 1 if async connect is in - * progress. */ SOCKADDR_IN sockaddr; /* Socket address */ SOCKADDR_IN mysockaddr; /* Socket address for client */ SOCKET sock = INVALID_SOCKET; - SocketInfo *infoPtr; /* The returned value. */ + SocketInfo *infoPtr=NULL; /* The returned value. */ ThreadSpecificData *tsdPtr = (ThreadSpecificData *) TclThreadDataKeyGet(&dataKey); @@ -1007,6 +1002,15 @@ CreateSocket( infoPtr->selectEvents = FD_ACCEPT; infoPtr->watchEvents |= FD_ACCEPT; + /* + * Register for interest in events in the select mask. Note that this + * automatically places the socket into non-blocking mode. + */ + + ioctlsocket(sock, (long) FIONBIO, &flag); + SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, + (LPARAM) infoPtr); + } else { /* * Try to bind to a local port, if specified. @@ -1020,14 +1024,54 @@ CreateSocket( } /* + * Allocate socket info structure + */ + + infoPtr = NewSocketInfo(sock); + + /* * Set the socket into nonblocking mode if the connect should be done - * in the background. + * in the background. Activate connect notification. */ if (async) { - if (ioctlsocket(sock, (long) FIONBIO, &flag) == SOCKET_ERROR) { - goto error; - } + + /* get infoPtr lock */ + WaitForSingleObject(tsdPtr->socketListLock, INFINITE); + + /* + * Buffer new infoPtr in the tsd memory as long as it is not in + * the info list. This allows the event procedure to process the + * event. + * Bugfig for 336441ed59 to not ignore notifications until the + * infoPtr is in the list.. + */ + + tsdPtr->pendingSocketInfo = infoPtr; + + /* + * Set connect mask to connect events + * This is activated by a SOCKET_SELECT message to the notifier + * thread. + */ + + infoPtr->selectEvents |= FD_CONNECT | FD_READ | FD_WRITE | FD_CLOSE; + infoPtr->flags |= SOCKET_ASYNC_CONNECT; + + /* + * Free list lock + */ + SetEvent(tsdPtr->socketListLock); + + /* + * Activate accept notification and put in async mode + * Bug 336441ed59: activate notification before connect + * so we do not miss a notification of a fialed connect. + */ + ioctlsocket(sock, (long) FIONBIO, &flag); + SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, + (LPARAM) infoPtr); + } /* @@ -1045,35 +1089,26 @@ CreateSocket( * The connection is progressing in the background. */ - asyncConnect = 1; - } + } else { - /* - * Add this socket to the global list of sockets. - */ + /* + * Set up the select mask for read/write events. If the connect + * attempt has not completed, include connect events. + */ - infoPtr = NewSocketInfo(sock); + infoPtr->selectEvents = FD_READ | FD_WRITE | FD_CLOSE; - /* - * Set up the select mask for read/write events. If the connect - * attempt has not completed, include connect events. - */ + /* + * Register for interest in events in the select mask. Note that this + * automatically places the socket into non-blocking mode. + */ - infoPtr->selectEvents = FD_READ | FD_WRITE | FD_CLOSE; - if (asyncConnect) { - infoPtr->flags |= SOCKET_ASYNC_CONNECT; - infoPtr->selectEvents |= FD_CONNECT; + ioctlsocket(sock, (long) FIONBIO, &flag); + SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, + (LPARAM) infoPtr); } } - /* - * Register for interest in events in the select mask. Note that this - * automatically places the socket into non-blocking mode. - */ - - ioctlsocket(sock, (long) FIONBIO, &flag); - SendMessage(tsdPtr->hwnd, SOCKET_SELECT, (WPARAM) SELECT, (LPARAM) infoPtr); - return infoPtr; error: @@ -1082,7 +1117,15 @@ CreateSocket( Tcl_AppendResult(interp, "couldn't open socket: ", Tcl_PosixError(interp), NULL); } - if (sock != INVALID_SOCKET) { + if (infoPtr != NULL) { + /* + * Free the allocated socket info structure and close the socket + */ + TcpCloseProc(infoPtr, interp); + } else if (sock != INVALID_SOCKET) { + /* + * No socket structure jet - just close + */ closesocket(sock); } return NULL; @@ -1482,7 +1525,7 @@ TcpAccept( SetHandleInformation((HANDLE) newSocket, HANDLE_FLAG_INHERIT, 0); /* - * Add this socket to the global list of sockets. + * Allocate socket info structure */ newInfoPtr = NewSocketInfo(newSocket); @@ -2248,6 +2291,7 @@ SocketProc( int event, error; SOCKET socket; SocketInfo *infoPtr; + int info_found = 0; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) #ifdef _WIN64 GetWindowLongPtr(hwnd, GWLP_USERDATA); @@ -2293,58 +2337,71 @@ SocketProc( for (infoPtr = tsdPtr->socketList; infoPtr != NULL; infoPtr = infoPtr->nextPtr) { if (infoPtr->socket == socket) { - /* - * Update the socket state. - * - * A count of FD_ACCEPTS is stored, so if an FD_CLOSE event - * happens, then clear the FD_ACCEPT count. Otherwise, - * increment the count if the current event is an FD_ACCEPT. - */ + info_found = 1; + break; + } + } + /* + * Check if there is a pending info structure not jet in the + * list + */ + if ( !info_found + && tsdPtr->pendingSocketInfo != NULL + && tsdPtr->pendingSocketInfo->socket ==socket ) { + infoPtr = tsdPtr->pendingSocketInfo; + info_found = 1; + } + if (info_found) { - if (event & FD_CLOSE) { - infoPtr->acceptEventCount = 0; - infoPtr->readyEvents &= ~(FD_WRITE|FD_ACCEPT); - } else if (event & FD_ACCEPT) { - infoPtr->acceptEventCount++; - } + /* + * Update the socket state. + * + * A count of FD_ACCEPTS is stored, so if an FD_CLOSE event + * happens, then clear the FD_ACCEPT count. Otherwise, + * increment the count if the current event is an FD_ACCEPT. + */ - if (event & FD_CONNECT) { - /* - * The socket is now connected, clear the async connect - * flag. - */ + if (event & FD_CLOSE) { + infoPtr->acceptEventCount = 0; + infoPtr->readyEvents &= ~(FD_WRITE|FD_ACCEPT); + } else if (event & FD_ACCEPT) { + infoPtr->acceptEventCount++; + } - infoPtr->flags &= ~(SOCKET_ASYNC_CONNECT); + if (event & FD_CONNECT) { + /* + * The socket is now connected, clear the async connect + * flag. + */ - /* - * Remember any error that occurred so we can report - * connection failures. - */ + infoPtr->flags &= ~(SOCKET_ASYNC_CONNECT); - if (error != ERROR_SUCCESS) { - TclWinConvertWSAError((DWORD) error); - infoPtr->lastError = Tcl_GetErrno(); - } - } + /* + * Remember any error that occurred so we can report + * connection failures. + */ - if (infoPtr->flags & SOCKET_ASYNC_CONNECT) { - infoPtr->flags &= ~(SOCKET_ASYNC_CONNECT); - if (error != ERROR_SUCCESS) { - TclWinConvertWSAError((DWORD) error); - infoPtr->lastError = Tcl_GetErrno(); - } - infoPtr->readyEvents |= FD_WRITE; + if (error != ERROR_SUCCESS) { + /* Async Connect error */ + TclWinConvertWSAError((DWORD) error); + infoPtr->lastError = Tcl_GetErrno(); + /* Fire also readable event on connect failure */ + infoPtr->readyEvents |= FD_READ; } - infoPtr->readyEvents |= event; - /* - * Wake up the Main Thread. - */ + /* fire writable event on connect */ + infoPtr->readyEvents |= FD_WRITE; - SetEvent(tsdPtr->readyEvent); - Tcl_ThreadAlert(tsdPtr->threadId); - break; } + + infoPtr->readyEvents |= event; + + /* + * Wake up the Main Thread. + */ + + SetEvent(tsdPtr->readyEvent); + Tcl_ThreadAlert(tsdPtr->threadId); } SetEvent(tsdPtr->socketListLock); break; @@ -2472,71 +2529,34 @@ InitializeHostName( *---------------------------------------------------------------------- */ +#undef TclWinGetSockOpt int TclWinGetSockOpt(SOCKET s, int level, int optname, char *optval, int *optlen) { - /* - * Check that WinSock is initialized; do not call it if not, to prevent - * system crashes. This can happen at exit time if the exit handler for - * WinSock ran before other exit handlers that want to use sockets. - */ - - if (!SocketsEnabled()) { - return SOCKET_ERROR; - } - return getsockopt(s, level, optname, optval, optlen); } +#undef TclWinSetSockOpt int TclWinSetSockOpt(SOCKET s, int level, int optname, const char *optval, int optlen) { - /* - * Check that WinSock is initialized; do not call it if not, to prevent - * system crashes. This can happen at exit time if the exit handler for - * WinSock ran before other exit handlers that want to use sockets. - */ - - if (!SocketsEnabled()) { - return SOCKET_ERROR; - } - return setsockopt(s, level, optname, optval, optlen); } char * TclpInetNtoa(struct in_addr addr) { - /* - * Check that WinSock is initialized; do not call it if not, to prevent - * system crashes. This can happen at exit time if the exit handler for - * WinSock ran before other exit handlers that want to use sockets. - */ - - if (!SocketsEnabled()) { - return NULL; - } - return inet_ntoa(addr); } +#undef TclWinGetServByName struct servent * TclWinGetServByName( const char *name, const char *proto) { - /* - * Check that WinSock is initialized; do not call it if not, to prevent - * system crashes. This can happen at exit time if the exit handler for - * WinSock ran before other exit handlers that want to use sockets. - */ - - if (!SocketsEnabled()) { - return NULL; - } - return getservbyname(name, proto); } @@ -2580,6 +2600,11 @@ TcpThreadActionProc( WaitForSingleObject(tsdPtr->socketListLock, INFINITE); infoPtr->nextPtr = tsdPtr->socketList; tsdPtr->socketList = infoPtr; + + if (infoPtr == tsdPtr->pendingSocketInfo) { + tsdPtr->pendingSocketInfo = NULL; + } + SetEvent(tsdPtr->socketListLock); notifyCmd = SELECT; |