diff options
Diffstat (limited to 'shutdown-reboot-when-recieve-crash-signal.patch')
| -rw-r--r-- | shutdown-reboot-when-recieve-crash-signal.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/shutdown-reboot-when-recieve-crash-signal.patch b/shutdown-reboot-when-recieve-crash-signal.patch new file mode 100644 index 0000000..1081e8c --- /dev/null +++ b/shutdown-reboot-when-recieve-crash-signal.patch @@ -0,0 +1,63 @@ +From 3ac4d1fc1a067afc0e0d4ca37a44ac252ee8b96b Mon Sep 17 00:00:00 2001 +From: xujing <xujing99@huawei.com> +Date: Tue, 8 Feb 2022 21:02:31 +0800 +Subject: [PATCH] shutdown: reboot when recieve crash signal + +--- + src/shutdown/shutdown.c | 33 +++++++++++++++++++++++++++++++++ + 1 file changed, 33 insertions(+) + +diff --git a/src/shutdown/shutdown.c b/src/shutdown/shutdown.c +index d6beb2d..ed1ce93 100644 +--- a/src/shutdown/shutdown.c ++++ b/src/shutdown/shutdown.c +@@ -321,6 +321,26 @@ static void bump_sysctl_printk_log_level(int min_level) { + log_debug_errno(r, "Failed to bump kernel.printk to %i: %m", min_level + 1); + } + ++_noreturn_ static void crash(int sig) { ++ if (getpid_cached() != 1) ++ /* Pass this on immediately, if this is not PID 1 */ ++ (void) raise(sig); ++ else { ++ bool in_container = detect_container() > 0; ++ ++ log_info("Recieve signal %d.", sig); ++ ++ broadcast_signal(SIGTERM, true, true, arg_timeout); ++ broadcast_signal(SIGKILL, true, false, arg_timeout); ++ ++ if (!in_container) ++ sync_with_progress(); ++ ++ log_info("Rebooting now."); ++ (void) reboot(RB_AUTOBOOT); ++ } ++} ++ + static void init_watchdog(void) { + const char *s; + int r; +@@ -355,6 +375,19 @@ int main(int argc, char *argv[]) { + usec_t now_time, time_interval; + pid_t pid; + bool fork_failed = false; ++ static const struct sigaction sa = { ++ .sa_handler = crash, ++ .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */ ++ }; ++ ++ (void) reset_all_signal_handlers(); ++ (void) ignore_signals(SIGNALS_IGNORE, -1); ++ ++ /* We ignore the return value here, since, we don't mind if we ++ * cannot set up a crash handler */ ++ r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); ++ if (r < 0) ++ log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m"); + + /* Close random fds we might have get passed, just for paranoia, before we open any new fds, for + * example for logging. After all this tool's purpose is about detaching any pinned resources, and +-- +2.33.0 + |