void *nano_fiber_lifo_get_wait_timeout(struct nano_lifo *lifo,
int32_t timeout_in_ticks)
{
unsigned int key = irq_lock_inline();
void *data;
if (!lifo->list) {
if (unlikely(TICKS_NONE == timeout_in_ticks)) {
irq_unlock_inline(key);
return NULL;
}
if (likely(timeout_in_ticks != TICKS_UNLIMITED)) {
_nano_timeout_add(_nanokernel.current, &lifo->wait_q,
timeout_in_ticks);
}
_nano_wait_q_put(&lifo->wait_q);
data = (void *)_Swap(key);
} else {
data = lifo->list;
lifo->list = *(void **)data;
irq_unlock_inline(key);
}
return data;
}
void fiber_sleep(int32_t timeout_in_ticks)
{
int key;
if (timeout_in_ticks == TICKS_NONE) {
fiber_yield();
return;
}
key = irq_lock();
_nano_timeout_add(_nanokernel.current, NULL, timeout_in_ticks);
_Swap(key);
}
void *fiber_delayed_start(char *stack, unsigned int stack_size_in_bytes,
nano_fiber_entry_t entry_point, int param1,
int param2, unsigned int priority,
unsigned int options, int32_t timeout_in_ticks)
{
unsigned int key;
struct tcs *tcs;
tcs = (struct tcs *)stack;
_new_thread(stack, stack_size_in_bytes, (_thread_entry_t)entry_point,
(void *)param1, (void *)param2, (void *)0, priority, options);
key = irq_lock();
_nano_timeout_add(tcs, NULL, timeout_in_ticks);
irq_unlock(key);
return tcs;
}
int nano_fiber_sem_take_wait_timeout(struct nano_sem *sem, int32_t timeout_in_ticks)
{
unsigned int key = irq_lock_inline();
if (sem->nsig == 0) {
if (unlikely(TICKS_NONE == timeout_in_ticks)) {
irq_unlock_inline(key);
return 0;
}
if (likely(timeout_in_ticks != TICKS_UNLIMITED)) {
_nano_timeout_add(_nanokernel.current, &sem->wait_q,
timeout_in_ticks);
}
_nano_wait_q_put(&sem->wait_q);
return _Swap(key);
}
sem->nsig--;
irq_unlock_inline(key);
return 1;
}