systemd/0001-initctl-check-for-kexec_loaded-when-reboot-is-reques.patch

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From b1e304bb59e1a80abacfd6f0377ae14c3c1a10cc Mon Sep 17 00:00:00 2001
From: Frederic Crozat <fcrozat@suse.com>
Date: Mon, 22 Aug 2011 14:58:50 +0200
Subject: [PATCH] initctl: check for kexec_loaded when reboot is requested through initctl
---
src/initctl.c | 2 ++
src/systemctl.c | 12 ------------
src/util.c | 12 ++++++++++++
src/util.h | 2 ++
4 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/src/initctl.c b/src/initctl.c
index f36f1cc..eaa717a 100644
--- a/src/initctl.c
+++ b/src/initctl.c
@@ -93,6 +93,8 @@ static const char *translate_runlevel(int runlevel, bool *isolate) {
for (i = 0; i < ELEMENTSOF(table); i++)
if (table[i].runlevel == runlevel) {
*isolate = table[i].isolate;
+ if (runlevel == '6' && kexec_loaded())
+ return SPECIAL_KEXEC_TARGET;
return table[i].special;
}
diff --git a/src/systemctl.c b/src/systemctl.c
index bb998d3..0ff9221 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -4403,18 +4403,6 @@ static int parse_time_spec(const char *t, usec_t *_u) {
return 0;
}
-static bool kexec_loaded(void) {
- bool loaded = false;
- char *s;
-
- if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
- if (s[0] == '1')
- loaded = true;
- free(s);
- }
- return loaded;
-}
-
static int shutdown_parse_argv(int argc, char *argv[]) {
enum {
diff --git a/src/util.c b/src/util.c
index 8d54049..247156d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -5680,3 +5680,15 @@ static const char *const signal_table[] = {
};
DEFINE_STRING_TABLE_LOOKUP(signal, int);
+
+bool kexec_loaded(void) {
+ bool loaded = false;
+ char *s;
+
+ if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
+ if (s[0] == '1')
+ loaded = true;
+ free(s);
+ }
+ return loaded;
+}
diff --git a/src/util.h b/src/util.h
index 407160d..8b31e5b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -497,4 +497,6 @@ int signal_from_string_try_harder(const char *s);
extern int saved_argc;
extern char **saved_argv;
+bool kexec_loaded(void);
+
#endif
--
1.7.3.4