1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// $Id: command-wait.c 1618 2004-07-02 23:44:33Z ensc $ --*- c -*--
// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "command.h"
#include <errno.h>
bool
Command_wait(struct Command *cmd, bool do_block)
{
int rc;
if (cmd->rc!=-1) return true;
switch (wait4(cmd->pid, &rc, (!do_block ? WNOHANG : 0), &cmd->rusage)) {
case 0 : break;
case -1 : cmd->err = errno; break;
default : cmd->rc = rc; return true;
}
return false;
}
|
