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posix: fix error return code for pthread_mutex_trylock

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pthread_mutex_trylock() should return EBUSY if the mutex is already
locked. The translations of CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED is
EDEADLK which is correct for pthread_mutex_lock(). This fixes the
translation for trylock.

Closes #2170.
This commit is contained in:
Gedare Bloom
2015-02-24 10:27:08 -05:00
parent ee87007748
commit c0e01a28da
2 changed files with 6 additions and 3 deletions
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4
doc/posix_users/mutex.t
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@@ -580,8 +580,8 @@ The mutex has the protocol attribute of PTHREAD_PRIO_PROTECT and the
priority of the calling thread is higher than the current priority
ceiling.
@item EDEADLK
The current thread already owns the mutex.
@item EBUSY
The mutex is already locked.
@end table