jyapayne/musl
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initial check-in, version 0.5.0

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This commit is contained in:
Rich Felker 2011-02-12 00:22:29 -05:00
commit 0b44a0315b
1021 changed files with 45711 additions and 0 deletions
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17
src/thread/pthread_rwlock_unlock.c Normal file
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#include "pthread_impl.h"
int pthread_rwlock_unlock(pthread_rwlock_t *rw)
{
struct pthread *self = pthread_self();
if (rw->__owner == self->tid) {
rw->__owner = 0;
a_store(&rw->__wrlock, 0);
if (rw->__waiters)
__wake(&rw->__wrlock, -1, 0);
return 0;
}
a_dec(&rw->__readers);
if (rw->__waiters && !rw->__readers)
__wake(&rw->__readers, 1, 0);
return 0;
}