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| author | Kevin B Kenny <kennykb@acm.org> | 2005-06-22 19:47:34 (GMT) |
|---|---|---|
| committer | Kevin B Kenny <kennykb@acm.org> | 2005-06-22 19:47:34 (GMT) |
| commit | ffaaf5eb1b4fa2ddfffd6cdf8a3668e82fc88ea9 (patch) | |
| tree | 1833884e76878788fcdb5562ceb860d990199d46 /generic/tclEvent.c | |
| parent | 7ee7db08b5e81da44b8fe1bbdfc8d44c8d5791cc (diff) | |
| download | tcl-ffaaf5eb1b4fa2ddfffd6cdf8a3668e82fc88ea9.zip tcl-ffaaf5eb1b4fa2ddfffd6cdf8a3668e82fc88ea9.tar.gz tcl-ffaaf5eb1b4fa2ddfffd6cdf8a3668e82fc88ea9.tar.bz2 | |
bug 1225727
Diffstat (limited to 'generic/tclEvent.c')
| -rw-r--r-- | generic/tclEvent.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/generic/tclEvent.c b/generic/tclEvent.c index 6e2a4df..3ecf3f1 100644 --- a/generic/tclEvent.c +++ b/generic/tclEvent.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclEvent.c,v 1.57 2005/05/10 18:34:35 kennykb Exp $ + * RCS: @(#) $Id: tclEvent.c,v 1.58 2005/06/22 19:47:42 kennykb Exp $ */ #include "tclInt.h" @@ -946,10 +946,24 @@ Tcl_Finalize() TclFinalizeDoubleConversion(); /* + * There have been several bugs in the past that cause + * exit handlers to be established during Tcl_Finalize + * processing. Such exit handlers leave malloc'ed memory, + * and Tcl_FinalizeThreadAlloc or Tcl_FinalizeMemorySubsystem + * will result in a corrupted heap. The result can be a + * mysterious crash on process exit. Check here that + * nobody's done this. + */ + + if ( firstExitPtr != NULL ) { + Tcl_Panic( "exit handlers were created during Tcl_Finalize" ); + } + + /* * There shouldn't be any malloc'ed memory after this. */ #if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC) - TclFinalizeThreadAlloc(); + TclFinalizeThreadAlloc(); #endif TclFinalizeMemorySubsystem(); inFinalize = 0; |