source:
EcnlProtoTool/trunk/musl-1.1.18/src/thread/pthread_rwlock_trywrlock.c@
444
Last change on this file since 444 was 444, checked in by , 4 years ago | |
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File size: 149 bytes |
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1 | #include "pthread_impl.h" |
2 | |
3 | int pthread_rwlock_trywrlock(pthread_rwlock_t *rw) |
4 | { |
5 | if (a_cas(&rw->_rw_lock, 0, 0x7fffffff)) return EBUSY; |
6 | return 0; |
7 | } |
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