1 files changed, 127 insertions, 0 deletions
diff --git a/src/sleep/sleep.c b/src/sleep/sleep.c
new file mode 100644
index 0000000000..218de3a567
--- /dev/null
+++ b/src/sleep/sleep.c
@@ -0,0 +1,127 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  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 <string.h>
+
+#include "log.h"
+#include "util.h"
+#include "systemd/sd-id128.h"
+#include "systemd/sd-messages.h"
+
+int main(int argc, char *argv[]) {
+        const char *verb;
+        char* arguments[4];
+        int r;
+        FILE *f;
+
+        log_set_target(LOG_TARGET_AUTO);
+        log_parse_environment();
+        log_open();
+
+        if (argc != 2) {
+                log_error("Invalid number of arguments.");
+                r = -EINVAL;
+                goto finish;
+        }
+
+        if (streq(argv[1], "suspend"))
+                verb = "mem";
+        else if (streq(argv[1], "hibernate") || streq(argv[1], "hybrid-sleep"))
+                verb = "disk";
+        else {
+                log_error("Unknown action '%s'.", argv[1]);
+                r = -EINVAL;
+                goto finish;
+        }
+
+        /* Configure the hibernation mode */
+        if (streq(argv[1], "hibernate")) {
+                if (write_one_line_file("/sys/power/disk", "platform") < 0)
+                        write_one_line_file("/sys/power/disk", "shutdown");
+        } else if (streq(argv[1], "hybrid-sleep")) {
+                if (write_one_line_file("/sys/power/disk", "suspend") < 0)
+                        if (write_one_line_file("/sys/power/disk", "platform") < 0)
+                                write_one_line_file("/sys/power/disk", "shutdown");
+        }
+
+        f = fopen("/sys/power/state", "we");
+        if (!f) {
+                log_error("Failed to open /sys/power/state: %m");
+                r = -errno;
+                goto finish;
+        }
+
+        arguments[0] = NULL;
+        arguments[1] = (char*) "pre";
+        arguments[2] = argv[1];
+        arguments[3] = NULL;
+        execute_directory(SYSTEM_SLEEP_PATH, NULL, arguments);
+
+        if (streq(argv[1], "suspend"))
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_START),
+                           "MESSAGE=Suspending system...",
+                           "SLEEP=suspend",
+                           NULL);
+        else if (streq(argv[1], "hibernate"))
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_START),
+                           "MESSAGE=Hibernating system...",
+                           "SLEEP=hibernate",
+                           NULL);
+        else
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_START),
+                           "MESSAGE=Hibernating and suspending system...",
+                           "SLEEP=hybrid-sleep",
+                           NULL);
+
+        fputs(verb, f);
+        fputc('\n', f);
+        fflush(f);
+
+        r = ferror(f) ? -errno : 0;
+
+        if (streq(argv[1], "suspend"))
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_STOP),
+                           "MESSAGE=System resumed.",
+                           "SLEEP=suspend",
+                           NULL);
+        else
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_STOP),
+                           "MESSAGE=System thawed.",
+                           "SLEEP=hibernate",
+                           NULL);
+
+        arguments[1] = (char*) "post";
+        execute_directory(SYSTEM_SLEEP_PATH, NULL, arguments);
+
+        fclose(f);
+
+finish:
+
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+
+}