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Fix possible freeze

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This commit is contained in:
Laurent Fasnacht 2014-06-16 10:41:50 +02:00
parent a96c742ad4
commit 28c3f22ba1
1 changed files with 12 additions and 5 deletions
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15
src/threadqueue.c
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@ -54,6 +54,8 @@ typedef struct {
} while (0); } while (0);
#endif //PTHREAD_DUMP #endif //PTHREAD_DUMP
const struct timespec time_to_wait = {1, 0};
static void* threadqueue_worker(void* threadqueue_worker_spec_opaque) { static void* threadqueue_worker(void* threadqueue_worker_spec_opaque) {
threadqueue_worker_spec * const threadqueue_worker_spec = threadqueue_worker_spec_opaque; threadqueue_worker_spec * const threadqueue_worker_spec = threadqueue_worker_spec_opaque;
threadqueue_queue * const threadqueue = threadqueue_worker_spec->threadqueue; threadqueue_queue * const threadqueue = threadqueue_worker_spec->threadqueue;
@ -393,9 +395,6 @@ int threadqueue_finalize(threadqueue_queue * const threadqueue) {
int threadqueue_flush(threadqueue_queue * const threadqueue) { int threadqueue_flush(threadqueue_queue * const threadqueue) {
int notdone = 1; int notdone = 1;
struct timespec time_to_wait;
time_to_wait.tv_sec = 1;
time_to_wait.tv_nsec = 0;
//Lock the queue //Lock the queue
PTHREAD_LOCK(&threadqueue->lock); PTHREAD_LOCK(&threadqueue->lock);
@ -442,9 +441,17 @@ int threadqueue_waitfor(threadqueue_queue * const threadqueue, threadqueue_job *
PTHREAD_UNLOCK(&job->lock); PTHREAD_UNLOCK(&job->lock);
if (!job_done) { if (!job_done) {
int ret;
PTHREAD_COND_BROADCAST(&(threadqueue->cond)); PTHREAD_COND_BROADCAST(&(threadqueue->cond));
PTHREAD_UNLOCK(&threadqueue->lock);
SLEEP(); SLEEP();
PTHREAD_COND_WAIT(&threadqueue->cb_cond, &threadqueue->lock); PTHREAD_LOCK(&threadqueue->lock);
ret = pthread_cond_timedwait(&threadqueue->cb_cond, &threadqueue->lock, &time_to_wait);
if (ret != 0 && ret != ETIMEDOUT) {
fprintf(stderr, "pthread_cond_timedwait failed!\n");
assert(0);
return 0;
}
} }
} while (!job_done); } while (!job_done);