[thirdparty/systemd.git] / src / sleep / sleep.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  This file is part of systemd.

  Copyright 2012 Lennart Poettering
  Copyright 2013 Zbigniew Jędrzejewski-Szmek
  Copyright 2010-2017 Canonical
  Copyright 2018 Dell Inc.
***/

#include <errno.h>
#include <getopt.h>
#include <linux/fiemap.h>
#include <stdio.h>

#include "sd-messages.h"

#include "parse-util.h"
#include "def.h"
#include "exec-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
#include "sleep-config.h"
#include "stdio-util.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"

static char* arg_verb = NULL;

static int write_hibernate_location_info(void) {
        _cleanup_free_ char *device = NULL, *type = NULL;
        _cleanup_free_ struct fiemap *fiemap = NULL;
        char offset_str[DECIMAL_STR_MAX(uint64_t)];
        char device_str[DECIMAL_STR_MAX(uint64_t)];
        _cleanup_close_ int fd = -1;
        struct stat stb;
        uint64_t offset;
        int r;

        r = find_hibernate_location(&device, &type, NULL, NULL);
        if (r < 0)
                return log_debug_errno(r, "Unable to find hibernation location: %m");

        /* if it's a swap partition, we just write the disk to /sys/power/resume */
        if (streq(type, "partition"))
                return write_string_file("/sys/power/resume", device, 0);
        else if (!streq(type, "file"))
                return log_debug_errno(EINVAL, "Invalid hibernate type %s: %m",
                                       type);

        /* Only available in 4.17+ */
        if (access("/sys/power/resume_offset", F_OK) < 0) {
                if (errno == ENOENT)
                        return 0;
                return log_debug_errno(errno, "/sys/power/resume_offset unavailable: %m");
        }

        r = access("/sys/power/resume_offset", W_OK);
        if (r < 0)
                return log_debug_errno(errno, "/sys/power/resume_offset not writeable: %m");

        fd = open(device, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
        if (fd < 0)
                return log_debug_errno(errno, "Unable to open '%s': %m", device);
        r = fstat(fd, &stb);
        if (r < 0)
                return log_debug_errno(errno, "Unable to stat %s: %m", device);
        r = read_fiemap(fd, &fiemap);
        if (r < 0)
                return log_debug_errno(r, "Unable to read extent map for '%s': %m",
                                       device);
        if (fiemap->fm_mapped_extents == 0) {
                log_debug("No extents found in '%s'", device);
                return -EINVAL;
        }
        offset = fiemap->fm_extents[0].fe_physical / page_size();
        xsprintf(offset_str, "%" PRIu64, offset);
        r = write_string_file("/sys/power/resume_offset", offset_str, 0);
        if (r < 0)
                return log_debug_errno(r, "Failed to write offset '%s': %m",
                                       offset_str);

        xsprintf(device_str, "%lx", (unsigned long)stb.st_dev);
        r = write_string_file("/sys/power/resume", device_str, 0);
        if (r < 0)
                return log_debug_errno(r, "Failed to write device '%s': %m",
                                       device_str);
        return 0;
}

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, 0);
                if (k == 0)
                        return 0;

                log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
                                *mode);
                if (r == 0)
                        r = k;
        }

        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, 0);
                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 -errno;
        }

        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 */
        if (!strv_isempty(modes)) {
                r = write_hibernate_location_info();
                if (r < 0)
                        return log_error_errno(r, "Failed to write hibernation disk offset: %m");
                r = write_mode(modes);
                if (r < 0)
                        return log_error_errno(r, "Failed to write mode to /sys/power/disk: %m");;
        }

        execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);

        log_struct(LOG_INFO,
                   "MESSAGE_ID=" SD_MESSAGE_SLEEP_START_STR,
                   LOG_MESSAGE("Suspending system..."),
                   "SLEEP=%s", arg_verb);

        r = write_state(&f, states);
        if (r < 0)
                return log_error_errno(r, "Failed to write /sys/power/state: %m");

        log_struct(LOG_INFO,
                   "MESSAGE_ID=" SD_MESSAGE_SLEEP_STOP_STR,
                   LOG_MESSAGE("System resumed."),
                   "SLEEP=%s", arg_verb);

        arguments[1] = (char*) "post";
        execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);

        return r;
}

static int read_wakealarm(uint64_t *result) {
        _cleanup_free_ char *t = NULL;

        if (read_one_line_file("/sys/class/rtc/rtc0/since_epoch", &t) >= 0)
                return safe_atou64(t, result);
        return -EBADF;
}

static int write_wakealarm(const char *str) {

        _cleanup_fclose_ FILE *f = NULL;
        int r;

        f = fopen("/sys/class/rtc/rtc0/wakealarm", "we");
        if (!f)
                return log_error_errno(errno, "Failed to open /sys/class/rtc/rtc0/wakealarm: %m");

        r = write_string_stream(f, str, 0);
        if (r < 0)
                return log_error_errno(r, "Failed to write '%s' to /sys/class/rtc/rtc0/wakealarm: %m", str);

        return 0;
}

static int execute_s2h(usec_t hibernate_delay_sec) {

        _cleanup_strv_free_ char **hibernate_modes = NULL, **hibernate_states = NULL,
                                 **suspend_modes = NULL, **suspend_states = NULL;
        usec_t orig_time, cmp_time;
        char time_str[DECIMAL_STR_MAX(uint64_t)];
        int r;

        r = parse_sleep_config("suspend", &suspend_modes, &suspend_states,
                               NULL);
        if (r < 0)
                return r;

        r = parse_sleep_config("hibernate", &hibernate_modes,
                               &hibernate_states, NULL);
        if (r < 0)
                return r;

        r = read_wakealarm(&orig_time);
        if (r < 0)
                return log_error_errno(errno, "Failed to read time: %d", r);

        orig_time += hibernate_delay_sec / USEC_PER_SEC;
        xsprintf(time_str, "%" PRIu64, orig_time);

        r = write_wakealarm(time_str);
        if (r < 0)
                return r;

        log_debug("Set RTC wake alarm for %s", time_str);

        r = execute(suspend_modes, suspend_states);
        if (r < 0)
                return r;

        r = read_wakealarm(&cmp_time);
        if (r < 0)
                return log_error_errno(errno, "Failed to read time: %d", r);

        /* reset RTC */
        r = write_wakealarm("0");
        if (r < 0)
                return r;

        log_debug("Woke up at %"PRIu64, cmp_time);

        /* if woken up after alarm time, hibernate */
        if (cmp_time >= orig_time)
                r = execute(hibernate_modes, hibernate_states);

        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"
               "  suspend-then-hibernate Initially suspend and then hibernate\n"
               "                       the system after a fixed period of time\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:
                        return version();

                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") &&
            !streq(arg_verb, "suspend-then-hibernate")) {
                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;
        usec_t delay = 0;
        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, &delay);
        if (r < 0)
                goto finish;

        if (streq(arg_verb, "suspend-then-hibernate"))
                r = execute_s2h(delay);
        else
                r = execute(modes, states);
finish:
        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
6edd7d0a LP	2	/***
	3	This file is part of systemd.
	4
	5	Copyright 2012 Lennart Poettering
19adb8a3	6	Copyright 2013 Zbigniew Jędrzejewski-Szmek
17c40b3a	7	Copyright 2010-2017 Canonical
c58493c0	8	Copyright 2018 Dell Inc.
6edd7d0a LP	9	***/
6edd7d0a LP	10
6edd7d0a	11	#include <errno.h>
19adb8a3	12	#include <getopt.h>
17c40b3a	13	#include <linux/fiemap.h>
3f6fd1ba	14	#include <stdio.h>
6edd7d0a	15
aa62a893	16	#include "sd-messages.h"
3f6fd1ba	17
c58493c0	18	#include "parse-util.h"
3f6fd1ba	19	#include "def.h"
89711996	20	#include "exec-util.h"
3ffd4af2	21	#include "fd-util.h"
a5c32cff	22	#include "fileio.h"
3f6fd1ba	23	#include "log.h"
19adb8a3	24	#include "sleep-config.h"
c58493c0	25	#include "stdio-util.h"
07630cea	26	#include "string-util.h"
3f6fd1ba LP	27	#include "strv.h"
3f6fd1ba LP	28	#include "util.h"
19adb8a3 ZJS	29
	30	static char* arg_verb = NULL;
	31
17c40b3a ML	32	static int write_hibernate_location_info(void) {
	33	_cleanup_free_ char device = NULL, type = NULL;
	34	_cleanup_free_ struct fiemap *fiemap = NULL;
	35	char offset_str[DECIMAL_STR_MAX(uint64_t)];
	36	char device_str[DECIMAL_STR_MAX(uint64_t)];
	37	_cleanup_close_ int fd = -1;
	38	struct stat stb;
	39	uint64_t offset;
	40	int r;
	41
	42	r = find_hibernate_location(&device, &type, NULL, NULL);
	43	if (r < 0)
	44	return log_debug_errno(r, "Unable to find hibernation location: %m");
	45
	46	/* if it's a swap partition, we just write the disk to /sys/power/resume */
	47	if (streq(type, "partition"))
	48	return write_string_file("/sys/power/resume", device, 0);
	49	else if (!streq(type, "file"))
	50	return log_debug_errno(EINVAL, "Invalid hibernate type %s: %m",
	51	type);
	52
	53	/* Only available in 4.17+ */
	54	if (access("/sys/power/resume_offset", F_OK) < 0) {
	55	if (errno == ENOENT)
	56	return 0;
	57	return log_debug_errno(errno, "/sys/power/resume_offset unavailable: %m");
	58	}
	59
	60	r = access("/sys/power/resume_offset", W_OK);
	61	if (r < 0)
	62	return log_debug_errno(errno, "/sys/power/resume_offset not writeable: %m");
	63
	64	fd = open(device, O_RDONLY \| O_CLOEXEC \| O_NONBLOCK);
	65	if (fd < 0)
	66	return log_debug_errno(errno, "Unable to open '%s': %m", device);
	67	r = fstat(fd, &stb);
	68	if (r < 0)
	69	return log_debug_errno(errno, "Unable to stat %s: %m", device);
	70	r = read_fiemap(fd, &fiemap);
	71	if (r < 0)
	72	return log_debug_errno(r, "Unable to read extent map for '%s': %m",
	73	device);
	74	if (fiemap->fm_mapped_extents == 0) {
	75	log_debug("No extents found in '%s'", device);
	76	return -EINVAL;
	77	}
	78	offset = fiemap->fm_extents[0].fe_physical / page_size();
	79	xsprintf(offset_str, "%" PRIu64, offset);
	80	r = write_string_file("/sys/power/resume_offset", offset_str, 0);
	81	if (r < 0)
	82	return log_debug_errno(r, "Failed to write offset '%s': %m",
	83	offset_str);
	84
	85	xsprintf(device_str, "%lx", (unsigned long)stb.st_dev);
	86	r = write_string_file("/sys/power/resume", device_str, 0);
	87	if (r < 0)
	88	return log_debug_errno(r, "Failed to write device '%s': %m",
	89	device_str);
	90	return 0;
	91	}
	92
19adb8a3 ZJS	93	static int write_mode(char **modes) {
	94	int r = 0;
	95	char **mode;
	96
	97	STRV_FOREACH(mode, modes) {
aa62a893 LP	98	int k;
aa62a893 LP	99
4c1fc3e4	100	k = write_string_file("/sys/power/disk", *mode, 0);
19adb8a3 ZJS	101	if (k == 0)
19adb8a3 ZJS	102	return 0;
aa62a893	103
c33b3297 MS	104	log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
c33b3297 MS	105	*mode);
19adb8a3 ZJS	106	if (r == 0)
	107	r = k;
	108	}
6edd7d0a	109
19adb8a3 ZJS	110	return r;
19adb8a3 ZJS	111	}
6edd7d0a	112
2fd069b1	113	static int write_state(FILE f, char states) {
19adb8a3 ZJS	114	char **state;
	115	int r = 0;
	116
	117	STRV_FOREACH(state, states) {
	118	int k;
	119
b1837133	120	k = write_string_stream(f, state, 0);
19adb8a3 ZJS	121	if (k == 0)
19adb8a3 ZJS	122	return 0;
c33b3297 MS	123	log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m",
c33b3297 MS	124	*state);
19adb8a3 ZJS	125	if (r == 0)
	126	r = k;
	127
2fd069b1 ZJS	128	fclose(*f);
2fd069b1 ZJS	129	*f = fopen("/sys/power/state", "we");
4a62c710	130	if (!*f)
0ca906ac	131	return -errno;
6edd7d0a LP	132	}
6edd7d0a LP	133
19adb8a3 ZJS	134	return r;
19adb8a3 ZJS	135	}
6edd7d0a	136
19adb8a3	137	static int execute(char modes, char states) {
e2cc6eca LP	138
	139	char *arguments[] = {
	140	NULL,
	141	(char*) "pre",
	142	arg_verb,
	143	NULL
	144	};
b5084605 LP	145	static const char* const dirs[] = {
	146	SYSTEM_SLEEP_PATH,
	147	NULL
	148	};
e2cc6eca	149
19adb8a3	150	int r;
2fd069b1	151	_cleanup_fclose_ FILE *f = NULL;
6524990f	152
19adb8a3	153	/* This file is opened first, so that if we hit an error,
09692409	154	* we can abort before modifying any state. */
6edd7d0a	155	f = fopen("/sys/power/state", "we");
4a62c710 MS	156	if (!f)
4a62c710 MS	157	return log_error_errno(errno, "Failed to open /sys/power/state: %m");
6edd7d0a	158
19adb8a3	159	/* Configure the hibernation mode */
17c40b3a ML	160	if (!strv_isempty(modes)) {
	161	r = write_hibernate_location_info();
	162	if (r < 0)
	163	return log_error_errno(r, "Failed to write hibernation disk offset: %m");
	164	r = write_mode(modes);
	165	if (r < 0)
0ca906ac	166	return log_error_errno(r, "Failed to write mode to /sys/power/disk: %m");;
17c40b3a	167	}
19adb8a3	168
c6e47247	169	execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
6edd7d0a	170
19adb8a3	171	log_struct(LOG_INFO,
2b044526	172	"MESSAGE_ID=" SD_MESSAGE_SLEEP_START_STR,
e2cc6eca	173	LOG_MESSAGE("Suspending system..."),
a1230ff9	174	"SLEEP=%s", arg_verb);
19adb8a3	175
2fd069b1	176	r = write_state(&f, states);
19adb8a3	177	if (r < 0)
0ca906ac	178	return log_error_errno(r, "Failed to write /sys/power/state: %m");
19adb8a3 ZJS	179
19adb8a3 ZJS	180	log_struct(LOG_INFO,
2b044526	181	"MESSAGE_ID=" SD_MESSAGE_SLEEP_STOP_STR,
a5ccdb98	182	LOG_MESSAGE("System resumed."),
a1230ff9	183	"SLEEP=%s", arg_verb);
eb267289	184
6edd7d0a	185	arguments[1] = (char*) "post";
c6e47247	186	execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
6edd7d0a	187
19adb8a3 ZJS	188	return r;
19adb8a3 ZJS	189	}
6edd7d0a	190
c58493c0 ML	191	static int read_wakealarm(uint64_t *result) {
	192	_cleanup_free_ char *t = NULL;
	193
	194	if (read_one_line_file("/sys/class/rtc/rtc0/since_epoch", &t) >= 0)
	195	return safe_atou64(t, result);
	196	return -EBADF;
	197	}
	198
	199	static int write_wakealarm(const char *str) {
	200
	201	_cleanup_fclose_ FILE *f = NULL;
	202	int r;
	203
	204	f = fopen("/sys/class/rtc/rtc0/wakealarm", "we");
	205	if (!f)
	206	return log_error_errno(errno, "Failed to open /sys/class/rtc/rtc0/wakealarm: %m");
	207
	208	r = write_string_stream(f, str, 0);
	209	if (r < 0)
	210	return log_error_errno(r, "Failed to write '%s' to /sys/class/rtc/rtc0/wakealarm: %m", str);
	211
	212	return 0;
	213	}
	214
	215	static int execute_s2h(usec_t hibernate_delay_sec) {
	216
	217	_cleanup_strv_free_ char hibernate_modes = NULL, hibernate_states = NULL,
	218	suspend_modes = NULL, suspend_states = NULL;
	219	usec_t orig_time, cmp_time;
	220	char time_str[DECIMAL_STR_MAX(uint64_t)];
	221	int r;
	222
	223	r = parse_sleep_config("suspend", &suspend_modes, &suspend_states,
	224	NULL);
	225	if (r < 0)
	226	return r;
	227
	228	r = parse_sleep_config("hibernate", &hibernate_modes,
	229	&hibernate_states, NULL);
	230	if (r < 0)
	231	return r;
	232
	233	r = read_wakealarm(&orig_time);
	234	if (r < 0)
	235	return log_error_errno(errno, "Failed to read time: %d", r);
	236
	237	orig_time += hibernate_delay_sec / USEC_PER_SEC;
	238	xsprintf(time_str, "%" PRIu64, orig_time);
	239
	240	r = write_wakealarm(time_str);
	241	if (r < 0)
	242	return r;
	243
	244	log_debug("Set RTC wake alarm for %s", time_str);
	245
	246	r = execute(suspend_modes, suspend_states);
	247	if (r < 0)
	248	return r;
	249
	250	r = read_wakealarm(&cmp_time);
	251	if (r < 0)
	252	return log_error_errno(errno, "Failed to read time: %d", r);
	253
	254	/* reset RTC */
255	r = write_wakealarm("0");
256	if (r < 0)
257	return r;
258
259	log_debug("Woke up at %"PRIu64, cmp_time);
260
261	/* if woken up after alarm time, hibernate */
262	if (cmp_time >= orig_time)
263	r = execute(hibernate_modes, hibernate_states);
264
265	return r;
266	}
267
601185b4	268	static void help(void) {
19adb8a3 ZJS	269	printf("%s COMMAND\n\n"
	270	"Suspend the system, hibernate the system, or both.\n\n"
	271	"Commands:\n"
	272	" -h --help Show this help and exit\n"
	273	" --version Print version string and exit\n"
	274	" suspend Suspend the system\n"
	275	" hibernate Hibernate the system\n"
	276	" hybrid-sleep Both hibernate and suspend the system\n"
e68c79db	277	" suspend-then-hibernate Initially suspend and then hibernate\n"
c58493c0	278	" the system after a fixed period of time\n"
601185b4	279	, program_invocation_short_name);
19adb8a3	280	}
6edd7d0a	281
19adb8a3 ZJS	282	static int parse_argv(int argc, char *argv[]) {
	283	enum {
	284	ARG_VERSION = 0x100,
	285	};
	286
	287	static const struct option options[] = {
	288	{ "help", no_argument, NULL, 'h' },
	289	{ "version", no_argument, NULL, ARG_VERSION },
eb9da376	290	{}
19adb8a3 ZJS	291	};
	292
	293	int c;
	294
	295	assert(argc >= 0);
	296	assert(argv);
	297
601185b4	298	while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
19adb8a3 ZJS	299	switch(c) {
19adb8a3 ZJS	300	case 'h':
601185b4 ZJS	301	help();
601185b4 ZJS	302	return 0; /* done */
19adb8a3 ZJS	303
19adb8a3 ZJS	304	case ARG_VERSION:
3f6fd1ba	305	return version();
19adb8a3 ZJS	306
	307	case '?':
	308	return -EINVAL;
	309
	310	default:
eb9da376	311	assert_not_reached("Unhandled option");
19adb8a3 ZJS	312	}
	313
	314	if (argc - optind != 1) {
	315	log_error("Usage: %s COMMAND",
	316	program_invocation_short_name);
	317	return -EINVAL;
	318	}
	319
	320	arg_verb = argv[optind];
6edd7d0a	321
19adb8a3 ZJS	322	if (!streq(arg_verb, "suspend") &&
19adb8a3 ZJS	323	!streq(arg_verb, "hibernate") &&
c58493c0	324	!streq(arg_verb, "hybrid-sleep") &&
e68c79db	325	!streq(arg_verb, "suspend-then-hibernate")) {
19adb8a3 ZJS	326	log_error("Unknown command '%s'.", arg_verb);
	327	return -EINVAL;
	328	}
	329
	330	return 1 /* work to do */;
	331	}
	332
	333	int main(int argc, char *argv[]) {
	334	_cleanup_strv_free_ char modes = NULL, states = NULL;
c58493c0	335	usec_t delay = 0;
19adb8a3 ZJS	336	int r;
	337
	338	log_set_target(LOG_TARGET_AUTO);
	339	log_parse_environment();
	340	log_open();
	341
	342	r = parse_argv(argc, argv);
	343	if (r <= 0)
	344	goto finish;
	345
c58493c0	346	r = parse_sleep_config(arg_verb, &modes, &states, &delay);
19adb8a3 ZJS	347	if (r < 0)
	348	goto finish;
	349
e68c79db	350	if (streq(arg_verb, "suspend-then-hibernate"))
c58493c0 ML	351	r = execute_s2h(delay);
	352	else
	353	r = execute(modes, states);
19adb8a3 ZJS	354	finish:
19adb8a3 ZJS	355	return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
6edd7d0a	356	}