[FFmpeg-cvslog] w32thread: call ResetEvent() in pthread_cond_broadcast().

Sergey Radionov git at videolan.org
Sat Dec 24 01:00:29 CET 2011


ffmpeg | branch: master | Sergey Radionov <rsatom at gmail.com> | Fri Dec 23 10:37:48 2011 +0700| [01eb9805f37835e20501134ae26e379140fe3239] | committer: Ronald S. Bultje

w32thread: call ResetEvent() in pthread_cond_broadcast().

Also add "volatile" to broadcast flag (since it is used from
multiple threads).

Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=01eb9805f37835e20501134ae26e379140fe3239
---

 libavcodec/w32pthreads.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/libavcodec/w32pthreads.h b/libavcodec/w32pthreads.h
index 3cdbc2c..70b84cf 100644
--- a/libavcodec/w32pthreads.h
+++ b/libavcodec/w32pthreads.h
@@ -120,7 +120,7 @@ typedef struct {
     volatile int waiter_count;
     HANDLE semaphore;
     HANDLE waiters_done;
-    int is_broadcast;
+    volatile int is_broadcast;
 } win32_cond_t;
 
 static void pthread_cond_init(pthread_cond_t *cond, const void *unused_attr)
@@ -187,6 +187,7 @@ static void pthread_cond_broadcast(pthread_cond_t *cond)
         ReleaseSemaphore(win32_cond->semaphore, win32_cond->waiter_count, NULL);
         pthread_mutex_unlock(&win32_cond->mtx_waiter_count);
         WaitForSingleObject(win32_cond->waiters_done, INFINITE);
+        ResetEvent(win32_cond->waiters_done);
         win32_cond->is_broadcast = 0;
     } else
         pthread_mutex_unlock(&win32_cond->mtx_waiter_count);



More information about the ffmpeg-cvslog mailing list