]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
8e274523 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2010 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
8 | under the terms of the GNU Lesser General Public License as published by |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
8e274523 LP |
10 | (at your option) any later version. |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 15 | Lesser General Public License for more details. |
8e274523 | 16 | |
5430f7f2 | 17 | You should have received a copy of the GNU Lesser General Public License |
8e274523 LP |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
19 | ***/ | |
20 | ||
22f4096c | 21 | #include <stdlib.h> |
d8fdc620 | 22 | #include <sys/socket.h> |
22f4096c | 23 | |
d8fdc620 | 24 | #include "fd-util.h" |
07630cea | 25 | #include "log.h" |
d8fdc620 | 26 | #include "socket-util.h" |
8e274523 LP |
27 | |
28 | int main(int argc, char *argv[]) { | |
d8fdc620 LP |
29 | |
30 | static const union sockaddr_union sa = { | |
31 | .un.sun_family = AF_UNIX, | |
32 | .un.sun_path = "/run/systemd/cgroups-agent", | |
33 | }; | |
34 | ||
35 | _cleanup_close_ int fd = -1; | |
36 | ssize_t n; | |
37 | size_t l; | |
8e274523 LP |
38 | |
39 | if (argc != 2) { | |
40 | log_error("Incorrect number of arguments."); | |
d05f1cae | 41 | return EXIT_FAILURE; |
8e274523 LP |
42 | } |
43 | ||
4cfa2c99 | 44 | log_set_target(LOG_TARGET_AUTO); |
3c661fad | 45 | log_parse_environment(); |
2396fb04 | 46 | log_open(); |
3c661fad | 47 | |
d8fdc620 LP |
48 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); |
49 | if (fd < 0) { | |
50 | log_debug_errno(errno, "Failed to allocate socket: %m"); | |
51 | return EXIT_FAILURE; | |
52 | } | |
53 | ||
54 | l = strlen(argv[1]); | |
55 | ||
fc2fffe7 | 56 | n = sendto(fd, argv[1], l, 0, &sa.sa, SOCKADDR_UN_LEN(sa.un)); |
d8fdc620 LP |
57 | if (n < 0) { |
58 | log_debug_errno(errno, "Failed to send cgroups agent message: %m"); | |
d05f1cae | 59 | return EXIT_FAILURE; |
8e274523 LP |
60 | } |
61 | ||
d8fdc620 LP |
62 | if ((size_t) n != l) { |
63 | log_debug("Datagram size mismatch"); | |
d05f1cae | 64 | return EXIT_FAILURE; |
51bc5d4b | 65 | } |
8e274523 | 66 | |
d05f1cae | 67 | return EXIT_SUCCESS; |
8e274523 | 68 | } |