]>
Commit | Line | Data |
---|---|---|
0ad19a3f | 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 | */ | |
0ad19a3f | 23 | #include <stdio.h> |
0ad19a3f | 24 | #include <stdlib.h> |
25 | #include <string.h> | |
0ad19a3f | 26 | #include <errno.h> |
06efeb5c | 27 | #include <unistd.h> |
28 | #include <sys/param.h> | |
8173e600 | 29 | #include <signal.h> |
0ad19a3f | 30 | #include <sys/types.h> |
31 | #include <sys/stat.h> | |
00b3c2e2 | 32 | #include <sys/socket.h> |
06efeb5c | 33 | #include <fcntl.h> |
0ad19a3f | 34 | |
36eb9bde | 35 | #include <lxc/log.h> |
00b3c2e2 CLG |
36 | #include <lxc/start.h> |
37 | ||
d1c383f3 | 38 | #include "lxc.h" |
2137dc99 | 39 | #include "commands.h" |
36eb9bde CLG |
40 | |
41 | lxc_log_define(lxc_stop, lxc); | |
0ad19a3f | 42 | |
13f5be62 | 43 | int lxc_stop(const char *name, const char *lxcpath) |
2137dc99 DL |
44 | { |
45 | struct lxc_command command = { | |
46 | .request = { .type = LXC_COMMAND_STOP }, | |
47 | }; | |
48 | ||
d97b36f8 DL |
49 | int ret, stopped = 0; |
50 | ||
13f5be62 | 51 | ret = lxc_command(name, &command,&stopped, lxcpath); |
d97b36f8 DL |
52 | if (ret < 0 && stopped) { |
53 | INFO("'%s' is already stopped", name); | |
54 | return 0; | |
55 | } | |
2137dc99 | 56 | |
2137dc99 DL |
57 | if (ret < 0) { |
58 | ERROR("failed to send command"); | |
59 | return -1; | |
60 | } | |
61 | ||
62 | /* we do not expect any answer, because we wait for the connection to be | |
63 | * closed | |
64 | */ | |
65 | if (ret > 0) { | |
d97b36f8 | 66 | ERROR("failed to stop '%s': %s", |
2137dc99 DL |
67 | name, strerror(-command.answer.ret)); |
68 | return -1; | |
69 | } | |
70 | ||
71 | INFO("'%s' has stopped", name); | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | /*---------------------------------------------------------------------------- | |
77 | * functions used by lxc-start mainloop | |
78 | * to handle above command request. | |
79 | *--------------------------------------------------------------------------*/ | |
80 | extern int lxc_stop_callback(int fd, struct lxc_request *request, | |
81 | struct lxc_handler *handler) | |
82 | { | |
83 | struct lxc_answer answer; | |
84 | int ret; | |
85 | ||
86 | answer.ret = kill(handler->pid, SIGKILL); | |
371828c4 SB |
87 | if (!answer.ret) { |
88 | ret = lxc_unfreeze(handler->name); | |
89 | if (!ret) | |
90 | return 0; | |
91 | ||
92 | ERROR("failed to unfreeze container"); | |
93 | answer.ret = ret; | |
94 | } | |
2137dc99 DL |
95 | |
96 | ret = send(fd, &answer, sizeof(answer), 0); | |
97 | if (ret < 0) { | |
98 | WARN("failed to send answer to the peer"); | |
99 | goto out; | |
100 | } | |
101 | ||
102 | if (ret != sizeof(answer)) { | |
103 | ERROR("partial answer sent"); | |
104 | goto out; | |
105 | } | |
106 | ||
107 | out: | |
108 | return -1; | |
109 | } | |
110 |