diff options
Diffstat (limited to 'src/shutdown.c')
| -rw-r--r-- | src/shutdown.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/shutdown.c b/src/shutdown.c index d157e0fbf..9f65b1dab 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); |