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author | pooryorick <com.digitalsmarties@pooryorick.com> | 2022-03-22 00:46:17 (GMT) |
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committer | pooryorick <com.digitalsmarties@pooryorick.com> | 2022-03-22 00:46:17 (GMT) |
commit | f18c5e4638cd2246475e9fabb96410e8696bea81 (patch) | |
tree | 6920500d784396d13ee4a579191970d95e5401e6 /generic | |
parent | 04234b55afe944221c2b003572689431778c7c88 (diff) | |
download | tcl-f18c5e4638cd2246475e9fabb96410e8696bea81.zip tcl-f18c5e4638cd2246475e9fabb96410e8696bea81.tar.gz tcl-f18c5e4638cd2246475e9fabb96410e8696bea81.tar.bz2 |
Fix [ac601b59bab7] by making only unloading a library from the process if it
has an Unload functions.
Diffstat (limited to 'generic')
-rw-r--r-- | generic/tclLoad.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/generic/tclLoad.c b/generic/tclLoad.c index 7ea1ebd..ee1862d 100644 --- a/generic/tclLoad.c +++ b/generic/tclLoad.c @@ -544,7 +544,7 @@ Tcl_LoadObjCmd( * * Tcl_UnloadObjCmd -- * - * This function is invoked to process the "unload" Tcl command. See the + * Implements the the "unload" Tcl command. See the * user documentation for details on what it does. * * Results: @@ -764,6 +764,23 @@ Tcl_UnloadObjCmd( return code; } + +/* + *---------------------------------------------------------------------- + * + * UnloadLibrary -- + * + * Unloads a library from an interpreter, and also from the process if it + * is unloadable, i.e. if it provides an "unload" function. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * See description. + * + *---------------------------------------------------------------------- + */ static int UnloadLibrary( Tcl_Interp *interp, @@ -884,11 +901,9 @@ UnloadLibrary( } /* - * The unload function executed fine. Examine the reference count to see - * if we unload the DLL. + * The unload function was called succesfully. */ - Tcl_MutexLock(&libraryMutex); if (Tcl_IsSafe(target)) { libraryPtr->safeInterpRefCount--; @@ -917,7 +932,7 @@ UnloadLibrary( code = TCL_OK; if (libraryPtr->safeInterpRefCount <= 0 && libraryPtr->interpRefCount <= 0 - && !keepLibrary) { + && (unloadProc != NULL) && !keepLibrary) { /* * Unload the shared library from the application memory... */ |