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use atomic operation

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This commit is contained in:
Cloud Wu
2014-06-26 15:06:47 +08:00
parent ceeb9912bf
commit d343f3b374
1 changed files with 2 additions and 2 deletions
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4
skynet-src/skynet_start.c
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@@ -127,11 +127,11 @@ _worker(void *p) {
if (q == NULL) {
CHECK_ABORT
if (pthread_mutex_lock(&m->mutex) == 0) {
++ m->sleep;
__sync_fetch_and_add(&m->sleep, 1);
// "spurious wakeup" is harmless,
// because skynet_context_message_dispatch() can be call at any time.
pthread_cond_wait(&m->cond, &m->mutex);
-- m->sleep;
__sync_fetch_and_sub(&m->sleep, 1);
if (pthread_mutex_unlock(&m->mutex)) {
fprintf(stderr, "unlock mutex error");
exit(1);