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[pthreads] Fix the sem_trywait issue.

This commit is contained in:
Bernard Xiong 2016-11-08 09:21:32 +08:00
parent 712c0673fb
commit 2d7486fcc0
1 changed files with 3 additions and 3 deletions
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2
components/libc/pthreads/semaphore.c
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@ -362,7 +362,7 @@ int sem_trywait(sem_t *sem)
return -1; return -1;
} }
result = rt_sem_take(sem->sem, RT_WAITING_FOREVER); result = rt_sem_take(sem->sem, 0);
if (result == -RT_ETIMEOUT) if (result == -RT_ETIMEOUT)
{ {
rt_set_errno(EAGAIN); rt_set_errno(EAGAIN);