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-rw-r--r--unix/tclUnixChan.c129
1 files changed, 53 insertions, 76 deletions
diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c
index b875e08..b25d23f 100644
--- a/unix/tclUnixChan.c
+++ b/unix/tclUnixChan.c
@@ -10,7 +10,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclUnixChan.c,v 1.42.2.4 2004/11/17 02:52:25 hobbs Exp $
+ * RCS: @(#) $Id: tclUnixChan.c,v 1.42.2.5 2005/01/27 22:53:35 andreas_kupries Exp $
*/
#include "tclInt.h" /* Internal definitions for Tcl. */
@@ -250,6 +250,10 @@ static int FileOutputProc _ANSI_ARGS_((
int toWrite, int *errorCode));
static int FileSeekProc _ANSI_ARGS_((ClientData instanceData,
long offset, int mode, int *errorCode));
+#ifdef DEPRECATED
+static void FileThreadActionProc _ANSI_ARGS_ ((
+ ClientData instanceData, int action));
+#endif
static Tcl_WideInt FileWideSeekProc _ANSI_ARGS_((ClientData instanceData,
Tcl_WideInt offset, int mode, int *errorCode));
static void FileWatchProc _ANSI_ARGS_((ClientData instanceData,
@@ -305,7 +309,7 @@ static Tcl_Channel MakeTcpClientChannelMode _ANSI_ARGS_(
static Tcl_ChannelType fileChannelType = {
"file", /* Type name. */
- TCL_CHANNEL_VERSION_3, /* v3 channel */
+ TCL_CHANNEL_VERSION_4, /* v4 channel */
FileCloseProc, /* Close proc. */
FileInputProc, /* Input proc. */
FileOutputProc, /* Output proc. */
@@ -319,6 +323,11 @@ static Tcl_ChannelType fileChannelType = {
NULL, /* flush proc. */
NULL, /* handler proc. */
FileWideSeekProc, /* wide seek proc. */
+#ifdef DEPRECATED
+ FileThreadActionProc, /* thread actions */
+#else
+ NULL,
+#endif
};
#ifdef SUPPORTS_TTY
@@ -329,7 +338,7 @@ static Tcl_ChannelType fileChannelType = {
static Tcl_ChannelType ttyChannelType = {
"tty", /* Type name. */
- TCL_CHANNEL_VERSION_2, /* v2 channel */
+ TCL_CHANNEL_VERSION_4, /* v4 channel */
TtyCloseProc, /* Close proc. */
FileInputProc, /* Input proc. */
#if BAD_TIP35_FLUSH
@@ -346,6 +355,8 @@ static Tcl_ChannelType ttyChannelType = {
FileBlockModeProc, /* Set blocking or non-blocking mode.*/
NULL, /* flush proc. */
NULL, /* handler proc. */
+ NULL, /* wide seek proc. */
+ NULL, /* thread action proc. */
};
#endif /* SUPPORTS_TTY */
@@ -356,7 +367,7 @@ static Tcl_ChannelType ttyChannelType = {
static Tcl_ChannelType tcpChannelType = {
"tcp", /* Type name. */
- TCL_CHANNEL_VERSION_2, /* v2 channel */
+ TCL_CHANNEL_VERSION_4, /* v4 channel */
TcpCloseProc, /* Close proc. */
TcpInputProc, /* Input proc. */
TcpOutputProc, /* Output proc. */
@@ -369,6 +380,8 @@ static Tcl_ChannelType tcpChannelType = {
TcpBlockModeProc, /* Set blocking or non-blocking mode.*/
NULL, /* flush proc. */
NULL, /* handler proc. */
+ NULL, /* wide seek proc. */
+ NULL, /* thread action proc. */
};
@@ -1840,8 +1853,11 @@ TclpOpenFileChannel(interp, pathPtr, mode, permissions)
#ifdef DEPRECATED
if (channelTypePtr == &fileChannelType) {
- fsPtr->nextPtr = tsdPtr->firstFilePtr;
- tsdPtr->firstFilePtr = fsPtr;
+ /* TIP #218. Removed the code inserting the new structure
+ * into the global list. This is now handled in the thread
+ * action callbacks, and only there.
+ */
+ fsPtr->nextPtr = NULL;
}
#endif /* DEPRECATED */
fsPtr->validMask = channelPermissions | TCL_EXCEPTION;
@@ -3281,13 +3297,13 @@ TclUnixWaitForFile(fd, mask, timeout)
return result;
}
+#ifdef DEPRECATED
/*
*----------------------------------------------------------------------
*
- * TclpCutFileChannel --
+ * FileThreadActionProc --
*
- * Remove any thread local refs to this channel. See
- * Tcl_CutChannel for more info.
+ * Insert or remove any thread local refs to this channel.
*
* Results:
* None.
@@ -3298,79 +3314,40 @@ TclUnixWaitForFile(fd, mask, timeout)
*----------------------------------------------------------------------
*/
-void
-TclpCutFileChannel(chan)
- Tcl_Channel chan; /* The channel being removed. Must
- * not be referenced in any
- * interpreter. */
+static void
+FileThreadActionProc (instanceData, action)
+ ClientData instanceData;
+ int action;
{
-#ifdef DEPRECATED
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- Channel *chanPtr = (Channel *) chan;
- FileState *fsPtr;
- FileState **nextPtrPtr;
- int removed = 0;
+ FileState *fsPtr = (FileState *) instanceData;
- if (chanPtr->typePtr != &fileChannelType)
- return;
+ if (action == TCL_CHANNEL_THREAD_INSERT) {
+ fsPtr->nextPtr = tsdPtr->firstFilePtr;
+ tsdPtr->firstFilePtr = fsPtr;
+ } else {
+ FileState **nextPtrPtr;
+ int removed = 0;
+
+ for (nextPtrPtr = &(tsdPtr->firstFilePtr); (*nextPtrPtr) != NULL;
+ nextPtrPtr = &((*nextPtrPtr)->nextPtr)) {
+ if ((*nextPtrPtr) == fsPtr) {
+ (*nextPtrPtr) = fsPtr->nextPtr;
+ removed = 1;
+ break;
+ }
+ }
- fsPtr = (FileState *) chanPtr->instanceData;
+ /*
+ * This could happen if the channel was created in one
+ * thread and then moved to another without updating
+ * the thread local data in each thread.
+ */
- for (nextPtrPtr = &(tsdPtr->firstFilePtr); (*nextPtrPtr) != NULL;
- nextPtrPtr = &((*nextPtrPtr)->nextPtr)) {
- if ((*nextPtrPtr) == fsPtr) {
- (*nextPtrPtr) = fsPtr->nextPtr;
- removed = 1;
- break;
+ if (!removed) {
+ panic("file info ptr not on thread channel list");
}
}
-
- /*
- * This could happen if the channel was created in one thread
- * and then moved to another without updating the thread
- * local data in each thread.
- */
-
- if (!removed)
- panic("file info ptr not on thread channel list");
-
-#endif /* DEPRECATED */
}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclpSpliceFileChannel --
- *
- * Insert thread local ref for this channel.
- * Tcl_SpliceChannel for more info.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Changes thread local list of valid channels.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TclpSpliceFileChannel(chan)
- Tcl_Channel chan; /* The channel being removed. Must
- * not be referenced in any
- * interpreter. */
-{
-#ifdef DEPRECATED
- ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- Channel *chanPtr = (Channel *) chan;
- FileState *fsPtr;
-
- if (chanPtr->typePtr != &fileChannelType)
- return;
-
- fsPtr = (FileState *) chanPtr->instanceData;
-
- fsPtr->nextPtr = tsdPtr->firstFilePtr;
- tsdPtr->firstFilePtr = fsPtr;
#endif /* DEPRECATED */
-}
+
generated by cgit v0.12 at 2024-11-07 05:18:21 (GMT)