use libc-internal malloc for newlocale/freelocale
[musl] / src / thread / pthread_cond_broadcast.c
index 4fab999..6bfab78 100644 (file)
@@ -1,44 +1,10 @@
 #include "pthread_impl.h"
 
-static void unlock(pthread_cond_t *c)
-{
-       a_dec(&c->_c_bcast);
-       if (c->_c_leavers) __wake(&c->_c_bcast, -1, 0);
-}
-
 int pthread_cond_broadcast(pthread_cond_t *c)
 {
-       pthread_mutex_t *m;
-       int w;
-
+       if (!c->_c_shared) return __private_cond_signal(c, -1);
        if (!c->_c_waiters) return 0;
-       a_inc(&c->_c_bcast);
-       if (!c->_c_waiters) {
-               unlock(c);
-               return 0;
-       }
-
-       a_store(&c->_c_block, 0);
-
-       m = c->_c_mutex;
-
-       /* If mutex ptr is not available, simply wake all waiters. */
-       if (m == (void *)-1) {
-               unlock(c);
-               __wake(&c->_c_block, -1, 0);
-               return 0;
-       }
-
-       /* Move waiter count to the mutex */
-       w = a_swap(&c->_c_waiters, 0);
-       a_fetch_add(&m->_m_waiters, w);
-
-       /* Perform the futex requeue, waking one waiter unless we know
-        * that the calling thread holds the mutex. */
-       __syscall(SYS_futex, &c->_c_block, FUTEX_REQUEUE,
-               !m->_m_type || (m->_m_lock&INT_MAX)!=pthread_self()->tid,
-               INT_MAX, &m->_m_lock);
-
-       unlock(c);
+       a_inc(&c->_c_seq);
+       __wake(&c->_c_seq, -1, 0);
        return 0;
 }