int pthread_cond_signal(pthread_cond_t *c)
{
- if (a_swap(&c->_c_block, 0));
- __wake(&c->_c_block, 1, 0);
+ if (!c->_c_shared) return __private_cond_signal(c, 1);
+ if (!c->_c_waiters) return 0;
+ a_inc(&c->_c_seq);
+ __wake(&c->_c_seq, 1, 0);
return 0;
}