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Diffstat (limited to 'src/shutdown.c')
-rw-r--r--src/shutdown.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/shutdown.c b/src/shutdown.c
index d157e0fbfe..9f65b1dab0 100644
--- a/src/shutdown.c
+++ b/src/shutdown.c
@@ -42,6 +42,7 @@
#include "umount.h"
#include "util.h"
#include "virt.h"
+#include "watchdog.h"
#define TIMEOUT_USEC (5 * USEC_PER_SEC)
#define FINALIZE_ATTEMPTS 50
@@ -306,7 +307,7 @@ int main(int argc, char *argv[]) {
int cmd, r;
unsigned retries;
bool need_umount = true, need_swapoff = true, need_loop_detach = true, need_dm_detach = true;
- bool killed_everbody = false, in_container;
+ bool killed_everbody = false, in_container, use_watchdog = false;
log_parse_environment();
log_set_target(LOG_TARGET_CONSOLE); /* syslog will die if not gone yet */
@@ -342,6 +343,8 @@ int main(int argc, char *argv[]) {
goto error;
}
+ use_watchdog = !!getenv("WATCHDOG_USEC");
+
/* lock us into memory */
if (mlockall(MCL_CURRENT|MCL_FUTURE) != 0)
log_warning("Cannot lock process memory: %m");
@@ -359,6 +362,9 @@ int main(int argc, char *argv[]) {
for (retries = 0; retries < FINALIZE_ATTEMPTS; retries++) {
bool changed = false;
+ if (use_watchdog)
+ watchdog_ping();
+
if (need_umount) {
log_info("Unmounting file systems.");
r = umount_all(&changed);