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Remove annoying warnings and fix tty for restart
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187d3a35 1/*
2 * lxc: linux Container library
3 *
4 * (C) Copyright IBM Corp. 2007, 2008
5 *
6 * Authors:
7 * Daniel Lezcano <dlezcano at fr.ibm.com>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23#include <stdio.h>
24#include <unistd.h>
25#include <libgen.h>
c2cc9f0a 26#include <stdlib.h>
187d3a35 27#include <sys/types.h>
28
b113348e 29#include <lxc/lxc.h>
187d3a35 30
31void usage(char *cmd)
32{
33 fprintf(stderr, "%s\n", basename(cmd));
34 fprintf(stderr, "\t -n <name> : name of the container\n");
35 fprintf(stderr, "\t [-p <priority>] : priority of the container\n");
36 _exit(1);
37}
38
39int main(int argc, char *argv[])
40{
41 char opt;
42 char *name = NULL, *priority = NULL;
43 int prio, nbargs = 0;
44
45 while ((opt = getopt(argc, argv, "p:n:")) != -1) {
46 switch (opt) {
47 case 'n':
48 name = optarg;
49 break;
50 case 'p':
51 priority = optarg;
52 break;
53 }
54
55 nbargs++;
56 }
57
58 if (!name)
59 usage(argv[0]);
60
61 if (!priority) {
c2cc9f0a 62 if (lxc_cgroup_get_priority(name, &prio)) {
187d3a35 63 fprintf(stderr, "failed to retrieve the priority of '%s'\n", name);
64 return 1;
65 }
66
67 printf("'%s' has priority %d\n", name, prio);
68 return 0;
69 }
70
71 prio = atoi(priority);
c2cc9f0a 72 if (lxc_cgroup_set_priority(name, prio)) {
187d3a35 73 fprintf(stderr, "failed to assign priority %d to of '%s'",
74 prio, name);
75 return 1;
76 }
77
78 return 0;
79}