Hi, On Dec 6, 2011 6:06 PM, "Uoti Urpala" <[email protected]> wrote: > > On Tue, 2011-12-06 at 22:18 +0700, Sergey Radionov wrote: > > Reason for making this patch > > is https://trac.videolan.org/vlc/ticket/5571 > > > > > > Problem is that under windows, when multiple threads waiting on same > > semaphore, and when ReleaseSemaphore called, it impossible to predict > > wich thread will wake up... > > The pthread_cond_broadcast() implementation in w32pthreads.h looks > suspicious - it could wake up the same thread multiple times (if it > re-enters wait fast enough) instead of waking up all current waiters. > Maybe that is the actual problem?
If that's the case grabbing and directly releasing a static lock in pthread_mutex_lock, and holding this in pthread_cond_broadcast, should fix it. Ronald
_______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
