projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 6edd7d0a LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| 2 | ||
| 3 | /*** | |
| 4 | This file is part of systemd. | |
| 5 | ||
| 6 | Copyright 2012 Lennart Poettering | |
| 7 | ||
| 8 | systemd is free software; you can redistribute it and/or modify it | |
| 9 | under the terms of the GNU Lesser General Public License as published by | |
| 10 | the Free Software Foundation; either version 2.1 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | systemd is distributed in the hope that it will be useful, but | |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | Lesser General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU Lesser General Public License | |
| 19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
| 20 | ***/ | |
| 21 | ||
| 22 | #include <stdio.h> | |
| 23 | #include <errno.h> | |
| 24 | #include <string.h> | |
| 25 | ||
| 26 | #include "log.h" | |
| 27 | #include "util.h" | |
| 28 | ||
| 29 | int main(int argc, char *argv[]) { | |
| 30 | const char *verb; | |
| 31 | char* arguments[4]; | |
| 32 | int r; | |
| 33 | FILE *f; | |
| 34 | ||
| 35 | log_set_target(LOG_TARGET_AUTO); | |
| 36 | log_parse_environment(); | |
| 37 | log_open(); | |
| 38 | ||
| 39 | if (argc != 2) { | |
| 40 | log_error("Invalid number of arguments."); | |
| 41 | r = -EINVAL; | |
| 42 | goto finish; | |
| 43 | } | |
| 44 | ||
| 45 | if (streq(argv[1], "suspend")) | |
| 46 | verb = "mem"; | |
| 47 | else if (streq(argv[1], "hibernate")) | |
| 48 | verb = "disk"; | |
| 49 | else { | |
| 50 | log_error("Unknown action '%s'.", argv[1]); | |
| 51 | r = -EINVAL; | |
| 52 | goto finish; | |
| 53 | } | |
| 54 | ||
| 55 | f = fopen("/sys/power/state", "we"); | |
| 56 | if (!f) { | |
| 57 | log_error("Failed to open /sys/power/state: %m"); | |
| 58 | r = -errno; | |
| 59 | goto finish; | |
| 60 | } | |
| 61 | ||
| 62 | arguments[0] = NULL; | |
| 63 | arguments[1] = (char*) "pre"; | |
| 64 | arguments[2] = argv[1]; | |
| 65 | arguments[3] = NULL; | |
| 66 | execute_directory(SYSTEMD_SLEEP_BINARY_PATH, NULL, arguments); | |
| 67 | ||
| 68 | fputs(verb, f); | |
| 69 | fputc('\n', f); | |
| 70 | fflush(f); | |
| 71 | ||
| 72 | r = ferror(f) ? -errno : 0; | |
| 73 | ||
| 74 | arguments[1] = (char*) "post"; | |
| 75 | execute_directory(SYSTEMD_SLEEP_BINARY_PATH, NULL, arguments); | |
| 76 | ||
| 77 | fclose(f); | |
| 78 | ||
| 79 | finish: | |
| 80 | ||
| 81 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
| 82 | ||
| 83 | } |