fix dlsym of thread-local symbols on archs with DTP_OFFSET!=0

[musl] / src / thread / pthread_mutex_unlock.c

diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c
index 46761d9..7dd00d2 100644 (file)
--- a/src/thread/pthread_mutex_unlock.c
+++ b/src/thread/pthread_mutex_unlock.c
@@ -1,9 +1,6 @@
 #include "pthread_impl.h"
 
-void __vm_lock_impl(int);
-void __vm_unlock_impl(void);
-
-int pthread_mutex_unlock(pthread_mutex_t *m)
+int __pthread_mutex_unlock(pthread_mutex_t *m)
 {
        pthread_t self;
        int waiters = m->_m_waiters;
@@ -19,7 +16,7 @@ int pthread_mutex_unlock(pthread_mutex_t *m)
                        return m->_m_count--, 0;
                if (!priv) {
                        self->robust_list.pending = &m->_m_next;
-                       __vm_lock_impl(+1);
+                       __vm_lock();
                }
                volatile void *prev = m->_m_prev;
                volatile void *next = m->_m_next;
@@ -27,12 +24,14 @@ int pthread_mutex_unlock(pthread_mutex_t *m)
                if (next != &self->robust_list.head) *(volatile void *volatile *)
                        ((char *)next - sizeof(void *)) = prev;
        }
-       cont = a_swap(&m->_m_lock, (type & 8) ? 0x40000000 : 0);
+       cont = a_swap(&m->_m_lock, (type & 8) ? 0x7fffffff : 0);
        if (type != PTHREAD_MUTEX_NORMAL && !priv) {
                self->robust_list.pending = 0;
-               __vm_unlock_impl();
+               __vm_unlock();
        }
        if (waiters || cont<0)
                __wake(&m->_m_lock, 1, priv);
        return 0;
 }
+
+weak_alias(__pthread_mutex_unlock, pthread_mutex_unlock);