+ _xcb_lock_io(c);
+ assert(!c->xlib.lock);
+ c->xlib.lock = 1;
+ c->xlib.thread = pthread_self();
+ _xcb_unlock_io(c);
+}
+
+void xcb_xlib_unlock(xcb_connection_t *c)
+{
+ _xcb_lock_io(c);
+ assert(c->xlib.lock);
+ assert(pthread_equal(c->xlib.thread, pthread_self()));
+ c->xlib.lock = 0;
+ pthread_cond_broadcast(&c->xlib.cond);
+ _xcb_unlock_io(c);