__WCLONE          962 kernel/exit.c  	if ((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))
__WCLONE         1499 kernel/exit.c  			__WNOTHREAD|__WCLONE|__WALL))
__WCLONE         1591 kernel/exit.c  			__WNOTHREAD|__WCLONE|__WALL))