forked from pool/systemd
95 lines
2.7 KiB
Diff
95 lines
2.7 KiB
Diff
From: Frederic Crozat <fcrozat@suse.com>
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Date: Tue, 19 Feb 2013 11:20:31 +0100
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Subject: Forward suspend / hibernate calls to pm-utils
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forward suspend/hibernation calls to pm-utils, if installed (bnc#790157)
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---
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src/sleep/sleep.c | 26 ++++++++++++++++++++++----
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1 file changed, 22 insertions(+), 4 deletions(-)
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--- systemd-206.orig/src/sleep/sleep.c
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+++ systemd-206/src/sleep/sleep.c
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@@ -24,6 +24,7 @@
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#include <errno.h>
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#include <string.h>
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#include <getopt.h>
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+#include <stdlib.h>
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#include "systemd/sd-id128.h"
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#include "systemd/sd-messages.h"
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@@ -35,6 +36,8 @@
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#include "sleep-config.h"
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static char* arg_verb = NULL;
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+static bool delegate_to_pmutils = false;
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+static const char *pmtools;
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static int write_mode(char **modes) {
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int r = 0;
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@@ -50,9 +53,6 @@ static int write_mode(char **modes) {
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r = k;
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}
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- if (r < 0)
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- log_error("Failed to write mode to /sys/power/disk: %s",
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- strerror(-r));
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return r;
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}
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@@ -90,6 +90,8 @@ static int execute(char **modes, char **
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_cleanup_fclose_ FILE *f = NULL;
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const char* note = strappenda("SLEEP=", arg_verb);
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+ if (!delegate_to_pmutils) {
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+
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/* This file is opened first, so that if we hit an error,
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* we can abort before modifying any state. */
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f = fopen("/sys/power/state", "we");
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@@ -102,6 +104,7 @@ static int execute(char **modes, char **
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r = write_mode(modes);
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if (r < 0)
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return r;
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+ }
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arguments[0] = NULL;
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arguments[1] = (char*) "pre";
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@@ -114,8 +117,10 @@ static int execute(char **modes, char **
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"MESSAGE=Suspending system...",
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note,
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NULL);
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-
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+ if (!delegate_to_pmutils)
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r = write_state(&f, states);
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+ else
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+ r = -system(pmtools);
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if (r < 0)
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return r;
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@@ -158,6 +163,7 @@ static int parse_argv(int argc, char *ar
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};
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int c;
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+ struct stat buf;
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assert(argc >= 0);
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assert(argv);
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@@ -196,6 +202,18 @@ static int parse_argv(int argc, char *ar
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return -EINVAL;
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}
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+ if (streq(arg_verb, "suspend")) {
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+ pmtools = "/usr/sbin/pm-suspend";
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+ }
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+ else if (streq(arg_verb, "hibernate") || streq(arg_verb, "hybrid-sleep")) {
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+ if (streq(arg_verb, "hibernate"))
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+ pmtools = "/usr/sbin/pm-hibernate";
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+ else
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+ pmtools = "/usr/sbin/pm-suspend-hybrid";
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+ }
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+
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+ delegate_to_pmutils = (stat(pmtools, &buf) >= 0 && S_ISREG(buf.st_mode) && (buf.st_mode & 0111));
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+
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return 1 /* work to do */;
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}
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