diff options
Diffstat (limited to 'generic/tclIOUtil.c')
| -rw-r--r-- | generic/tclIOUtil.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index 27df363..4b949f8 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -17,7 +17,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIOUtil.c,v 1.43 2002/05/13 13:20:00 vincentdarley Exp $ + * RCS: @(#) $Id: tclIOUtil.c,v 1.44 2002/05/14 09:44:43 vincentdarley Exp $ */ #include "tclInt.h" @@ -561,12 +561,19 @@ FsReleaseIterator(void) { * * Clean up the filesystem. After this, calls to all Tcl_FS... * functions will fail. + * + * Note that, since 'TclFinalizedLoad' may unload extensions + * which implement other filesystems, and which may therefore + * contain a 'freeProc' for those filesystems, at this stage + * we _must_ have freed all objects of "path" type, or we may + * end up with segfaults if we try to free them later. * * Results: * None. * * Side effects: - * Frees any memory allocated by the filesystem. + * Frees any memory allocated by the filesystem. Unloads any + * extensions which have been loaded. * *---------------------------------------------------------------------- */ @@ -583,6 +590,14 @@ TclFinalizeFilesystem() { cwdPathPtr = NULL; } + /* + * We defer unloading of packages until very late + * to avoid memory access issues. Both exit callbacks and + * synchronization variables may be stored in packages. + */ + + TclFinalizeLoad(); + /* Remove all filesystems, freeing any allocated memory */ while (filesystemList != NULL) { FilesystemRecord *tmpFsRecPtr = filesystemList->nextPtr; |