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loop: blocking wait

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Release the locks before waiting.
This commit is contained in:
Wim Taymans 2018-04-19 22:01:18 +02:00
parent 64d1307684
commit ebd13a2a74
1 changed files with 6 additions and 1 deletions
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7
spa/plugins/support/loop.c
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@ -248,10 +248,15 @@ loop_invoke(struct spa_loop *loop,
if (block) {
uint64_t count = 1;
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, before);
if (read(impl->ack_fd, &count, sizeof(uint64_t)) != sizeof(uint64_t))
spa_log_warn(impl->log, NAME " %p: failed to read event fd: %s",
impl, strerror(errno));
spa_hook_list_call(&impl->hooks_list, struct spa_loop_control_hooks, after);
res = item->res;
}
else {
@ -740,7 +745,7 @@ impl_init(const struct spa_handle_factory *factory,
spa_ringbuffer_init(&impl->buffer);
impl->wakeup = spa_loop_utils_add_event(&impl->utils, wakeup_func, impl);
impl->ack_fd = eventfd(0, EFD_CLOEXEC);
impl->ack_fd = eventfd(0, EFD_SEMAPHORE | EFD_CLOEXEC);
spa_log_debug(impl->log, NAME " %p: initialized", impl);