Function background_threads_disable_single

BeefRT/JEMalloc/src/background_thread.c:232–269

}

static bool
background_threads_disable_single(tsd_t *tsd, background_thread_info_t *info) {
	if (info == &background_thread_info[0]) {
		malloc_mutex_assert_owner(tsd_tsdn(tsd),
		    &background_thread_lock);
	} else {
		malloc_mutex_assert_not_owner(tsd_tsdn(tsd),
		    &background_thread_lock);
	}

	pre_reentrancy(tsd, NULL);
	malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx);
	bool has_thread;
	assert(info->state != background_thread_paused);
	if (info->state == background_thread_started) {
		has_thread = true;
		info->state = background_thread_stopped;
		pthread_cond_signal(&info->cond);
	} else {
		has_thread = false;
	}
	malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx);

	if (!has_thread) {
		post_reentrancy(tsd);
		return false;
	}
	void *ret;
	if (pthread_join(info->thread, &ret)) {
		post_reentrancy(tsd);
		return true;
	}
	assert(ret == NULL);
	n_background_threads--;
	post_reentrancy(tsd);

	return false;
}

static void *background_thread_entry(void *ind_arg);