Fix data race detected by ThreadSanitizer

Bug report by Daniel Deptford.

diff --git a/common/threadpool.c b/common/threadpool.c
index 7f98f778dec1ab7a5c9de09374a2f95695b28c56..4d36105b05c30847b6b3440de4f87cb60463bced 100644 (file)
--- a/common/threadpool.c
+++ b/common/threadpool.c
@@ -34,7 +34,7 @@ typedef struct
 
 struct x264_threadpool_t
 {
-    int            exit;
+    volatile int   exit;
     int            threads;
     x264_pthread_t *thread_handle;
     void           (*init_func)(void *);