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add missing OS X thread-data synchronization

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Merge to 5.2.1
This commit is contained in:
Matthew Flatt 2012-01-11 14:41:33 -07:00
parent 0134b8753d
commit af9d0e6976
1 changed files with 2 additions and 0 deletions
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src/racket/gc2/vm_osx.c
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@ -102,6 +102,7 @@ static void unregister_mach_thread() {
int index = thread_self % OSX_THREAD_TABLE_SIZE; int index = thread_self % OSX_THREAD_TABLE_SIZE;
OSXThreadData * thread, *prev = NULL; OSXThreadData * thread, *prev = NULL;
pthread_mutex_lock(&osxthreadsmutex);
thread = osxthreads[index]; thread = osxthreads[index];
while (thread->thread_port_id != thread_self) { while (thread->thread_port_id != thread_self) {
prev = thread; prev = thread;
@ -114,6 +115,7 @@ static void unregister_mach_thread() {
osxthreads[index] = thread->next; osxthreads[index] = thread->next;
free(thread); free(thread);
} }
pthread_mutex_unlock(&osxthreadsmutex);
} }
#endif #endif