mirror of git://git.musl-libc.org/musl
rwlock trylock functions were wrongly returning EAGAIN instead of EBUSY
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@ -7,7 +7,7 @@ int pthread_rwlock_tryrdlock(pthread_rwlock_t *rw)
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a_dec(&rw->_rw_readers);
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if (rw->_rw_waiters && !rw->_rw_readers)
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__wake(&rw->_rw_readers, 1, 0);
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return EAGAIN;
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return EBUSY;
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}
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return 0;
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}
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@ -3,10 +3,10 @@
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int pthread_rwlock_trywrlock(pthread_rwlock_t *rw)
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{
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if (a_xchg(&rw->_rw_wrlock, 1))
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return EAGAIN;
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return EBUSY;
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if (rw->_rw_readers) {
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a_store(&rw->_rw_wrlock, 0);
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return EAGAIN;
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return EBUSY;
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}
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rw->_rw_owner = pthread_self()->tid;
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return 0;
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