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better a_sc inline asm constraint on aarch64 and arm
[musl]
/
src
/
thread
/
pthread_mutex_lock.c
diff --git
a/src/thread/pthread_mutex_lock.c
b/src/thread/pthread_mutex_lock.c
index
42b5af6
..
d0c93ca
100644
(file)
--- a/
src/thread/pthread_mutex_lock.c
+++ b/
src/thread/pthread_mutex_lock.c
@@
-1,9
+1,14
@@
#include "pthread_impl.h"
#include "pthread_impl.h"
-int pthread_mutex_lock(pthread_mutex_t *m)
+int __pthread_mutex_timedlock(pthread_mutex_t *restrict, const struct timespec *restrict);
+
+int __pthread_mutex_lock(pthread_mutex_t *m)
{
{
- if (m->_m_type == PTHREAD_MUTEX_NORMAL && !a_cas(&m->_m_lock, 0, EBUSY))
+ if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL
+ && !a_cas(&m->_m_lock, 0, EBUSY))
return 0;
return 0;
- return pthread_mutex_timedlock(m, 0);
+ return
__
pthread_mutex_timedlock(m, 0);
}
}
+
+weak_alias(__pthread_mutex_lock, pthread_mutex_lock);