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Fix reuse of xmlInitParser

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While xmlCleanupParser() should not be used unless complete control
is insured over the programe making sure libxml2 is not in use anywhere
It should still be usable, and allow a sequence of
    xmlInitParser();
    xmlCleanupParser();
calls if needed, the problem is that the thread key wasn't reallocated
on subsequent xmlinitParser() calls leading to corruption of pthread
keys used by the program.

* threads.c: make sure xmlCleanupParser() reset the pthread_once()
             global variable driving thread key allocation.
This commit is contained in:
Daniel Veillard 2012-09-04 12:05:17 +08:00
parent 510e7583f4
commit 7a2215dbcd
1 changed files with 1 additions and 0 deletions
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threads.c
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@ -915,6 +915,7 @@ xmlCleanupThreads(void)
#ifdef HAVE_PTHREAD_H
if ((libxml_is_threaded) && (pthread_key_delete != NULL))
pthread_key_delete(globalkey);
once_control = PTHREAD_ONCE_INIT;
#elif defined(HAVE_WIN32_THREADS) && !defined(HAVE_COMPILER_TLS) && (!defined(LIBXML_STATIC) || defined(LIBXML_STATIC_FOR_DLL))
if (globalkey != TLS_OUT_OF_INDEXES) {
xmlGlobalStateCleanupHelperParams *p;