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zircon
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13ee3dc5e4c46bf127977ad28645c47442ec517d
/
.
/
third_party
/
ulib
/
musl
/
pthread
/
pthread_rwlock_trywrlock.c
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#include
"threads_impl.h"
int
pthread_rwlock_trywrlock
(
pthread_rwlock_t
*
rw
)
{
if
(
a_cas_shim
(&
rw
->
_rw_lock
,
0
,
0x7fffffff
))
return
EBUSY
;
return
0
;
}