queue_closed_p    619 thread_sync.c      if (!queue_closed_p(self)) {
queue_closed_p    687 thread_sync.c      if (queue_closed_p(self)) {
queue_closed_p    742 thread_sync.c      return queue_closed_p(self) ? Qtrue : Qfalse;
queue_closed_p    791 thread_sync.c  	else if (queue_closed_p(self)) {
queue_closed_p    796 thread_sync.c  	    assert(queue_closed_p(self) == 0);
queue_closed_p   1020 thread_sync.c  	else if (queue_closed_p(self)) {
queue_closed_p   1029 thread_sync.c      if (queue_closed_p(self)) {