+void _xcb_lock_io(xcb_connection_t *c)
+{
+ pthread_mutex_lock(&c->iolock);
+}
+
+void _xcb_unlock_io(xcb_connection_t *c)
+{
+ pthread_mutex_unlock(&c->iolock);
+}
+
+void _xcb_wait_io(xcb_connection_t *c, pthread_cond_t *cond)
+{
+ pthread_cond_wait(cond, &c->iolock);
+}
+