rwlock trylock functions were wrongly returning EAGAIN instead of EBUSY

diff --git a/src/thread/pthread_rwlock_tryrdlock.c b/src/thread/pthread_rwlock_tryrdlock.c
index fc1d532..f860ec7 100644 (file)
--- a/src/thread/pthread_rwlock_tryrdlock.c
+++ b/src/thread/pthread_rwlock_tryrdlock.c
@@ -7,7 +7,7 @@ int pthread_rwlock_tryrdlock(pthread_rwlock_t *rw)
                a_dec(&rw->_rw_readers);
                if (rw->_rw_waiters && !rw->_rw_readers)
                        __wake(&rw->_rw_readers, 1, 0);
-               return EAGAIN;
+               return EBUSY;
        }
        return 0;
 }

diff --git a/src/thread/pthread_rwlock_trywrlock.c b/src/thread/pthread_rwlock_trywrlock.c
index 1bcf7c9..202e256 100644 (file)
--- a/src/thread/pthread_rwlock_trywrlock.c
+++ b/src/thread/pthread_rwlock_trywrlock.c
@@ -3,10 +3,10 @@
 int pthread_rwlock_trywrlock(pthread_rwlock_t *rw)
 {
        if (a_xchg(&rw->_rw_wrlock, 1))
-               return EAGAIN;
+               return EBUSY;
        if (rw->_rw_readers) {
                a_store(&rw->_rw_wrlock, 0);
-               return EAGAIN;
+               return EBUSY;
        }
        rw->_rw_owner = pthread_self()->tid;
        return 0;