static void
gvl_yield(rb_vm_t *vm, rb_thread_t *th)
{
native_mutex_lock(&vm->gvl.lock);
gvl_release_common(vm);
/* An another thread is processing GVL yield. */
if (UNLIKELY(vm->gvl.wait_yield)) {
while (vm->gvl.wait_yield)
native_cond_wait(&vm->gvl.switch_wait_cond, &vm->gvl.lock);
goto acquire;
}
if (vm->gvl.waiting > 0) {
/* Wait until another thread task take GVL. */
vm->gvl.need_yield = 1;
vm->gvl.wait_yield = 1;
while (vm->gvl.need_yield)
native_cond_wait(&vm->gvl.switch_cond, &vm->gvl.lock);
vm->gvl.wait_yield = 0;
}
else {
native_mutex_unlock(&vm->gvl.lock);
sched_yield();
native_mutex_lock(&vm->gvl.lock);
}
native_cond_broadcast(&vm->gvl.switch_wait_cond);
acquire:
gvl_acquire_common(vm);
native_mutex_unlock(&vm->gvl.lock);
}
static void
lock_interrupt(void *ptr)
{
rb_mutex_t *mutex = (rb_mutex_t *)ptr;
native_mutex_lock(&mutex->lock);
if (mutex->cond_waiting > 0)
native_cond_broadcast(&mutex->cond);
native_mutex_unlock(&mutex->lock);
}
int NdbCondition_Broadcast(struct NdbCondition* p_cond)
{
int result;
if (p_cond == NULL)
return 1;
result = native_cond_broadcast(&p_cond->cond);
return result;
}