diff options
Diffstat (limited to 'generic/tclIOUtil.c')
| -rw-r--r-- | generic/tclIOUtil.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index de5d62d..ea407ab 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -57,7 +57,7 @@ typedef struct FilesystemRecord { * this information each time the corresponding epoch counter changes. */ -typedef struct ThreadSpecificData { +typedef struct { int initialized; size_t cwdPathEpoch; size_t filesystemEpoch; @@ -611,6 +611,7 @@ FsRecacheFilesystemList(void) while (toFree) { FilesystemRecord *next = toFree->nextPtr; + toFree->fsPtr = NULL; ckfree(toFree); toFree = next; @@ -672,7 +673,6 @@ TclFSEpoch(void) return tsdPtr->filesystemEpoch; } - /* * If non-NULL, clientData is owned by us and must be freed later. @@ -784,7 +784,9 @@ TclFinalizeFilesystem(void) while (fsRecPtr != NULL) { FilesystemRecord *tmpFsRecPtr = fsRecPtr->nextPtr; - /* The native filesystem is static, so we don't free it. */ + /* + * The native filesystem is static, so we don't free it. + */ if (fsRecPtr != &nativeFilesystemRecord) { ckfree(fsRecPtr); @@ -947,7 +949,7 @@ Tcl_FSRegister( int Tcl_FSUnregister( - const Tcl_Filesystem *fsPtr) /* The filesystem record to remove. */ + const Tcl_Filesystem *fsPtr)/* The filesystem record to remove. */ { int retVal = TCL_ERROR; FilesystemRecord *fsRecPtr; @@ -1233,7 +1235,7 @@ FsAddMountsToGlobResult( len--; } - len++; /* account for '/' in the mElt [Bug 1602539] */ + len++; /* account for '/' in the mElt [Bug 1602539] */ mElt = TclNewFSPathObj(pathPtr, mount + len, mlen - len); Tcl_ListObjAppendElement(NULL, resultPtr, mElt); } @@ -1403,7 +1405,7 @@ TclFSNormalizeToUniquePath( * Call each of the "normalise path" functions in succession. This is a * special case, in which if we have a native filesystem handler, we call * it first. This is because the root of Tcl's filesystem is always a - * native filesystem (i.e. '/' on unix is native). + * native filesystem (i.e., '/' on unix is native). */ firstFsRecPtr = FsGetFirstFilesystem(); @@ -1525,7 +1527,7 @@ TclGetOpenModeEx( #define RW_MODES (O_RDONLY|O_WRONLY|O_RDWR) /* - * Check for the simpler fopen-like access modes (e.g. "r"). They are + * Check for the simpler fopen-like access modes (e.g., "r"). They are * distinguished from the POSIX access modes by the presence of a * lower-case first letter. */ @@ -2671,6 +2673,7 @@ Tcl_FSGetCwd( fsRecPtr = fsRecPtr->nextPtr) { ClientData retCd; TclFSGetCwdProc2 *proc2; + if (fsRecPtr->fsPtr->getCwdProc == NULL) { continue; } @@ -3143,8 +3146,8 @@ Tcl_FSLoadFile( * Workaround for issue with modern HPUX which do allow the unlink (no ETXTBSY * error) yet somehow trash some internal data structures which prevents the * second and further shared libraries from getting properly loaded. Only the - * first is ok. We try to get around the issue by not unlinking, - * i.e. emulating the behaviour of the older HPUX which denied removal. + * first is ok. We try to get around the issue by not unlinking, i.e., + * emulating the behaviour of the older HPUX which denied removal. * * Doing the unlink is also an issue within docker containers, whose AUFS * bungles this as well, see @@ -3162,28 +3165,30 @@ Tcl_FSLoadFile( */ int -TclSkipUnlink (Tcl_Obj* shlibFile) +TclSkipUnlink( + Tcl_Obj *shlibFile) { - /* Order of testing: + /* + * Order of testing: * 1. On hpux we generally want to skip unlink in general * * Outside of hpux then: - * 2. For a general user request (TCL_TEMPLOAD_NO_UNLINK present, non-empty, => int) + * 2. For a general user request (TCL_TEMPLOAD_NO_UNLINK present, + * non-empty, => int) * 3. For general AUFS environment (statfs, if available). * * Ad 2: This variable can disable/override the AUFS detection, i.e. for - * testing if a newer AUFS does not have the bug any more. + * testing if a newer AUFS does not have the bug any more. * - * Ad 3: This is conditionally compiled in. Condition currently must be set manually. - * This part needs proper tests in the configure(.in). + * Ad 3: This is conditionally compiled in. Condition currently must be + * set manually. This part needs proper tests in the configure(.in). */ #ifdef hpux return 1; #else - char* skipstr; + char *skipstr = getenv("TCL_TEMPLOAD_NO_UNLINK"); - skipstr = getenv ("TCL_TEMPLOAD_NO_UNLINK"); if (skipstr && (skipstr[0] != '\0')) { return atoi(skipstr); } @@ -3192,7 +3197,8 @@ TclSkipUnlink (Tcl_Obj* shlibFile) #ifndef NO_FSTATFS { struct statfs fs; - /* Have fstatfs. May not have the AUFS super magic ... Indeed our build + /* + * Have fstatfs. May not have the AUFS super magic ... Indeed our build * box is too old to have it directly in the headers. Define taken from * http://mooon.googlecode.com/svn/trunk/linux_include/linux/aufs_type.h * http://aufs.sourceforge.net/ @@ -3209,8 +3215,10 @@ TclSkipUnlink (Tcl_Obj* shlibFile) #endif /* ... NO_FSTATFS */ #endif /* ... TCL_TEMPLOAD_NO_UNLINK */ - /* Fallback: !hpux, no EV override, no AUFS (detection, nor detected): - * Don't skip */ + /* + * Fallback: !hpux, no EV override, no AUFS (detection, nor detected): + * Don't skip + */ return 0; #endif /* hpux */ } @@ -3415,9 +3423,8 @@ Tcl_LoadFile( * avoids any worries about leaving the copy laying around on exit. */ - if ( - !TclSkipUnlink (copyToPtr) && - (Tcl_FSDeleteFile(copyToPtr) == TCL_OK)) { + if (!TclSkipUnlink(copyToPtr) && + (Tcl_FSDeleteFile(copyToPtr) == TCL_OK)) { Tcl_DecrRefCount(copyToPtr); /* |