Imported Upstream version 2.9.0upstream/2.9.0

1 files changed, 3 insertions, 2 deletions

diff --git a/threads.c b/threads.c
index 1eeac0e..f206149 100644
--- a/threads.c
+++ b/threads.c
@@ -439,7 +439,7 @@ __xmlGlobalInitMutexLock(void)
     /* Make sure the global init lock is initialized and then lock it. */
 #ifdef HAVE_PTHREAD_H
     /* The mutex is statically initialized, so we just lock it. */
-    if (pthread_mutex_lock)
+    if (pthread_mutex_lock != NULL)
         pthread_mutex_lock(&global_init_lock);
 #elif defined HAVE_WIN32_THREADS
     LPCRITICAL_SECTION cs;
@@ -509,7 +509,7 @@ void
 __xmlGlobalInitMutexUnlock(void)
 {
 #ifdef HAVE_PTHREAD_H
-    if (pthread_mutex_unlock)
+    if (pthread_mutex_unlock != NULL)
         pthread_mutex_unlock(&global_init_lock);
 #elif defined HAVE_WIN32_THREADS
     if (global_init_lock != NULL) {
@@ -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;