logind: support for hybrid sleep (i.e. suspend+hibernate at the same time)

[elogind.git] / src / sleep / sleep.c

diff --git a/src/sleep/sleep.c b/src/sleep/sleep.c
index c86f69c4aa379761923f45959466f0681afcbe00..218de3a5675711ab32b1d38e9930ed6d9e60cf32 100644 (file)
--- a/src/sleep/sleep.c
+++ b/src/sleep/sleep.c
@@ -25,6 +25,8 @@
 
 #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;
@@ -44,7 +46,7 @@ int main(int argc, char *argv[]) {
 
         if (streq(argv[1], "suspend"))
                 verb = "mem";
-        else if (streq(argv[1], "hibernate"))
+        else if (streq(argv[1], "hibernate") || streq(argv[1], "hybrid-sleep"))
                 verb = "disk";
         else {
                 log_error("Unknown action '%s'.", argv[1]);
@@ -52,6 +54,16 @@ int main(int argc, char *argv[]) {
                 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");
@@ -66,9 +78,23 @@ int main(int argc, char *argv[]) {
         execute_directory(SYSTEM_SLEEP_PATH, NULL, arguments);
 
         if (streq(argv[1], "suspend"))
-                log_info("Suspending system...");
+                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_info("Hibernating system...");
+                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);
@@ -77,9 +103,17 @@ int main(int argc, char *argv[]) {
         r = ferror(f) ? -errno : 0;
 
         if (streq(argv[1], "suspend"))
-                log_info("System resumed.");
+                log_struct(LOG_INFO,
+                           MESSAGE_ID(SD_MESSAGE_SLEEP_STOP),
+                           "MESSAGE=System resumed.",
+                           "SLEEP=suspend",
+                           NULL);
         else
-                log_info("System thawed.");
+                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);