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cobalt
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f9bc0139df6e6eb149345ab9b6ffcc40603fc09f
/
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/
third_party
/
musl
/
src
/
thread
/
pthread_rwlock_trywrlock.c
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#include
"pthread_impl.h"
int
__pthread_rwlock_trywrlock
(
pthread_rwlock_t
*
rw
)
{
if
(
a_cas
(&
rw
->
_rw_lock
,
0
,
0x7fffffff
))
return
EBUSY
;
return
0
;
}
weak_alias
(
__pthread_rwlock_trywrlock
,
pthread_rwlock_trywrlock
);