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sched/semaphore: tick wait 0 timeout should be safe in interrupt context
1. remove up_interrupt_context() check, which should be safe in interrupt context 2. remove sem instance check will be handle in nxsem_trywait() Signed-off-by: chao an <anchao@lixiang.com>
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1 changed files with 3 additions and 3 deletions
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@ -68,12 +68,10 @@
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int nxsem_tickwait(FAR sem_t *sem, uint32_t delay)
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{
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FAR struct tcb_s *rtcb = this_task();
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FAR struct tcb_s *rtcb;
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irqstate_t flags;
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int ret;
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DEBUGASSERT(sem != NULL && up_interrupt_context() == false);
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/* We will disable interrupts until we have completed the semaphore
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* wait. We need to do this (as opposed to just disabling pre-emption)
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* because there could be interrupt handlers that are asynchronously
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@ -106,6 +104,8 @@ int nxsem_tickwait(FAR sem_t *sem, uint32_t delay)
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goto out;
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}
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rtcb = this_task();
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/* Start the watchdog with interrupts still disabled */
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wd_start(&rtcb->waitdog, delay, nxsem_timeout, (uintptr_t)rtcb);
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