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Fix comments in do_sem_wait().

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David Xu 2010-02-03 07:21:20 +00:00
parent ae50475f5d
commit 43271eacad
1 changed files with 1 additions and 2 deletions
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3
sys/kern/kern_umtx.c
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@ -2864,8 +2864,7 @@ do_sem_wait(struct thread *td, struct _usem *sem, struct timespec *timeout)
}
/*
* The magic thing is we should set c_has_waiters to 1 before
* releasing user mutex.
* set waiters byte and sleep.
*/
suword32(__DEVOLATILE(uint32_t *, &sem->_has_waiters), 1);