diff options
Diffstat (limited to 'src/sleep/sleep.c')
| -rw-r--r-- | src/sleep/sleep.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/src/sleep/sleep.c b/src/sleep/sleep.c deleted file mode 100644 index eee6bc8982..0000000000 --- a/src/sleep/sleep.c +++ /dev/null @@ -1,217 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - Copyright 2013 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdio.h> -#include <errno.h> -#include <getopt.h> - -#include "sd-messages.h" -#include "log.h" -#include "util.h" -#include "strv.h" -#include "fileio.h" -#include "build.h" -#include "sleep-config.h" -#include "def.h" - -static char* arg_verb = NULL; - -static int write_mode(char **modes) { - int r = 0; - char **mode; - - STRV_FOREACH(mode, modes) { - int k; - - k = write_string_file("/sys/power/disk", *mode); - if (k == 0) - return 0; - - log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m", - *mode); - if (r == 0) - r = k; - } - - if (r < 0) - log_error_errno(r, "Failed to write mode to /sys/power/disk: %m"); - - return r; -} - -static int write_state(FILE **f, char **states) { - char **state; - int r = 0; - - STRV_FOREACH(state, states) { - int k; - - k = write_string_stream(*f, *state); - if (k == 0) - return 0; - log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m", - *state); - if (r == 0) - r = k; - - fclose(*f); - *f = fopen("/sys/power/state", "we"); - if (!*f) - return log_error_errno(errno, "Failed to open /sys/power/state: %m"); - } - - return r; -} - -static int execute(char **modes, char **states) { - - char *arguments[] = { - NULL, - (char*) "pre", - arg_verb, - NULL - }; - static const char* const dirs[] = {SYSTEM_SLEEP_PATH, NULL}; - - int r; - _cleanup_fclose_ FILE *f = NULL; - - /* This file is opened first, so that if we hit an error, - * we can abort before modifying any state. */ - f = fopen("/sys/power/state", "we"); - if (!f) - return log_error_errno(errno, "Failed to open /sys/power/state: %m"); - - /* Configure the hibernation mode */ - r = write_mode(modes); - if (r < 0) - return r; - - execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments); - - log_struct(LOG_INFO, - LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_START), - LOG_MESSAGE("Suspending system..."), - "SLEEP=%s", arg_verb, - NULL); - - r = write_state(&f, states); - if (r < 0) - return r; - - log_struct(LOG_INFO, - LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_STOP), - LOG_MESSAGE("System resumed."), - "SLEEP=%s", arg_verb, - NULL); - - arguments[1] = (char*) "post"; - execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments); - - return r; -} - -static void help(void) { - printf("%s COMMAND\n\n" - "Suspend the system, hibernate the system, or both.\n\n" - "Commands:\n" - " -h --help Show this help and exit\n" - " --version Print version string and exit\n" - " suspend Suspend the system\n" - " hibernate Hibernate the system\n" - " hybrid-sleep Both hibernate and suspend the system\n" - , program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - enum { - ARG_VERSION = 0x100, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - {} - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) - switch(c) { - case 'h': - help(); - return 0; /* done */ - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0 /* done */; - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - if (argc - optind != 1) { - log_error("Usage: %s COMMAND", - program_invocation_short_name); - return -EINVAL; - } - - arg_verb = argv[optind]; - - if (!streq(arg_verb, "suspend") && - !streq(arg_verb, "hibernate") && - !streq(arg_verb, "hybrid-sleep")) { - log_error("Unknown command '%s'.", arg_verb); - return -EINVAL; - } - - return 1 /* work to do */; -} - -int main(int argc, char *argv[]) { - _cleanup_strv_free_ char **modes = NULL, **states = NULL; - int r; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - r = parse_sleep_config(arg_verb, &modes, &states); - if (r < 0) - goto finish; - - r = execute(modes, states); - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |