-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdio.h>
#include <errno.h>
-#include <string.h>
#include <getopt.h>
+#include <stdio.h>
-#include "systemd/sd-id128.h"
-#include "systemd/sd-messages.h"
-#include "log.h"
-#include "util.h"
-#include "strv.h"
+#include "sd-messages.h"
+
+#include "def.h"
+#include "exec-util.h"
+#include "fd-util.h"
#include "fileio.h"
-#include "build.h"
+#include "log.h"
#include "sleep-config.h"
+#include "string-util.h"
+#include "strv.h"
+#include "util.h"
static char* arg_verb = NULL;
char **mode;
STRV_FOREACH(mode, modes) {
- int k = write_string_file("/sys/power/disk", *mode);
+ int k;
+
+ k = write_string_file("/sys/power/disk", *mode, 0);
if (k == 0)
return 0;
- log_debug("Failed to write '%s' to /sys/power/disk: %s",
- *mode, strerror(-k));
+
+ log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
+ *mode);
if (r == 0)
r = k;
}
if (r < 0)
- log_error("Failed to write mode to /sys/power/disk: %s",
- strerror(-r));
+ log_error_errno(r, "Failed to write mode to /sys/power/disk: %m");
return r;
}
-static int write_state(FILE *f0, char **states) {
- FILE _cleanup_fclose_ *f = f0;
+static int write_state(FILE **f, char **states) {
char **state;
int r = 0;
STRV_FOREACH(state, states) {
int k;
- k = write_string_to_file(f, *state);
+ k = write_string_stream(*f, *state, 0);
if (k == 0)
return 0;
- log_debug("Failed to write '%s' to /sys/power/state: %s",
- *state, strerror(-k));
+ 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) {
- log_error("Failed to open /sys/power/state: %m");
- return -errno;
- }
+ 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[4];
+
+ char *arguments[] = {
+ NULL,
+ (char*) "pre",
+ arg_verb,
+ NULL
+ };
+ static const char* const dirs[] = {
+ SYSTEM_SLEEP_PATH,
+ NULL
+ };
+
int r;
- FILE *f;
- const char* note = strappenda("SLEEP=", arg_verb);
+ _cleanup_fclose_ FILE *f = NULL;
/* This file is opened first, so that if we hit an error,
- * we can abort before modyfing any state. */
+ * we can abort before modifying any state. */
f = fopen("/sys/power/state", "we");
- if (!f) {
- log_error("Failed to open /sys/power/state: %m");
- return -errno;
- }
+ 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;
- arguments[0] = NULL;
- arguments[1] = (char*) "pre";
- arguments[2] = arg_verb;
- arguments[3] = NULL;
- execute_directory(SYSTEM_SLEEP_PATH, NULL, arguments);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_SLEEP_START),
- "MESSAGE=Suspending system...",
- note,
+ "MESSAGE_ID=" SD_MESSAGE_SLEEP_START_STR,
+ LOG_MESSAGE("Suspending system..."),
+ "SLEEP=%s", arg_verb,
NULL);
- r = write_state(f, states);
+ r = write_state(&f, states);
if (r < 0)
return r;
log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_SLEEP_STOP),
- "MESSAGE=System resumed.",
- note,
+ "MESSAGE_ID=" SD_MESSAGE_SLEEP_STOP_STR,
+ LOG_MESSAGE("System resumed."),
+ "SLEEP=%s", arg_verb,
NULL);
arguments[1] = (char*) "post";
- execute_directory(SYSTEM_SLEEP_PATH, NULL, arguments);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
return r;
}
-static int help(void) {
+static void help(void) {
printf("%s COMMAND\n\n"
"Suspend the system, hibernate the system, or both.\n\n"
"Commands:\n"
" suspend Suspend the system\n"
" hibernate Hibernate the system\n"
" hybrid-sleep Both hibernate and suspend the system\n"
- , program_invocation_short_name
- );
-
- return 0;
+ , program_invocation_short_name);
}
static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
- { NULL, 0, NULL, 0 }
+ {}
};
int c;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+h", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch(c) {
case 'h':
help();
- return 0 /* done */;
+ return 0; /* done */
case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0 /* done */;
+ return version();
case '?':
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
if (argc - optind != 1) {
projects / thirdparty / systemd.git / blobdiff