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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
Copyright (C) 2016 Jeremy White <jwhite@codeweavers.com>
All rights reserved.
This file is part of x11spice
x11spice 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, either version 3 of the License, or
(at your option) any later version.
x11spice 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 x11spice. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <glib.h>
int redirect(char *fname)
{
int fd;
fd = open(fname, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd < 0) {
perror(fname);
return -1;
}
dup2(fd, fileno(stdout));
dup2(fd, fileno(stderr));
return 0;
}
int still_alive(int pid)
{
return !waitpid(pid, NULL, WNOHANG);
}
int spawn_command(char *cmd, char *output_file, int *pid)
{
*pid = fork();
if (*pid == 0) {
if (redirect(output_file))
return -1;
execl("/bin/sh", "sh", "-c", cmd, NULL);
g_error("exec of [%s] failed",cmd);
}
return 0;
}
|