1 // $Id: command-wait.c 1618 2004-07-02 23:44:33Z ensc $ --*- c -*--
3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 Command_wait(struct Command *cmd, bool do_block)
31 if (cmd->rc!=-1) return true;
33 switch (wait4(cmd->pid, &rc, (!do_block ? WNOHANG : 0), &cmd->rusage)) {
35 case -1 : cmd->err = errno; break;
36 default : cmd->rc = rc; return true;