gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t object…

gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t object before calling pthread_mutex_init.

2000-08-31  J. David Anglin  <dave@hiauly1.hia.nrc.ca>

	* gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
	object before calling pthread_mutex_init.

From-SVN: r36112

gcc/ChangeLog

+2000-08-31  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
+	object before calling pthread_mutex_init.
+
 2000-09-02  Alexandre Oliva  <aoliva@redhat.com>
 
 	* config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,

gcc/gthr-dce.h

@@ -274,10 +274,18 @@ __gthread_objc_thread_get_data(void)
 static inline int
 __gthread_objc_mutex_allocate(objc_mutex_t mutex)
 {
-  if (__gthread_active_p ()
-      && pthread_mutex_init((pthread_mutex_t *)mutex->backend,
+  if (__gthread_active_p ())
+    {
+      mutex->backend = objc_malloc(sizeof(pthread_mutex_t));
+
+      if (pthread_mutex_init((pthread_mutex_t *)mutex->backend,
       			    pthread_mutexattr_default))
-    return -1;
+        {
+          objc_free(mutex->backend);
+          mutex->backend = NULL;
+          return -1;
+        }
+    }
 
   return 0;
 }