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e4b3fe58 | 1 | /* |
2 | * lxc: linux Container library | |
3 | * | |
4 | * (C) Copyright IBM Corp. 2007, 2010 | |
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 | ||
24 | #include <unistd.h> | |
25 | #include <errno.h> | |
26 | #include <sys/param.h> | |
27 | #include <stdlib.h> | |
28 | #include <signal.h> | |
29 | #include "commands.h" | |
30 | #include "arguments.h" | |
31 | #include "namespace.h" | |
32 | #include "log.h" | |
33 | ||
34 | lxc_log_define(lxc_kill_ui, lxc); | |
35 | ||
36 | static const struct option my_longopts[] = { | |
37 | LXC_COMMON_OPTIONS | |
38 | }; | |
39 | ||
40 | static struct lxc_arguments my_args = { | |
41 | .progname = "lxc-kill", | |
42 | .help = "\ | |
43 | --name=NAME SIGNUM\n\ | |
44 | \n\ | |
45 | Sends signal number SIGNUM to the first user process in container NAME\n\ | |
46 | \n\ | |
47 | Options :\n\ | |
48 | -n, --name=NAME NAME for name of the container\n", | |
49 | .options = my_longopts, | |
50 | .parser = NULL, | |
51 | .checker = NULL, | |
52 | }; | |
53 | ||
54 | int main(int argc, char *argv[], char *envp[]) | |
55 | { | |
56 | int ret; | |
57 | pid_t pid; | |
58 | int sig; | |
59 | ||
60 | ret = lxc_arguments_parse(&my_args, argc, argv); | |
61 | if (ret) | |
62 | return ret; | |
63 | ||
5e1e7aaf | 64 | ret = lxc_log_init(my_args.name, my_args.log_file, my_args.log_priority, |
e4b3fe58 | 65 | my_args.progname, my_args.quiet); |
66 | if (ret) | |
67 | return ret; | |
68 | ||
69 | if (my_args.argc) { | |
70 | sig = atoi(my_args.argv[0]); | |
71 | if (!sig || sig >= NSIG) { | |
72 | ERROR("'%s' isn't a valid signal number", | |
73 | my_args.argv[0]); | |
74 | return -1; | |
75 | } | |
76 | } else | |
77 | sig=SIGKILL; | |
78 | ||
79 | pid = get_init_pid(my_args.name); | |
80 | if (pid < 0) { | |
81 | ERROR("failed to get the init pid"); | |
82 | return -1; | |
83 | } | |
84 | ||
85 | ret = kill(pid, sig); | |
86 | if (ret < 0) { | |
87 | ERROR("failed to kill the init pid"); | |
88 | return -1; | |
89 | } | |
90 | ||
91 | return 0; | |
92 | } |