~aperezdc/dmon: dmon: Propagate exit status of monitored process

85236e660d589be662ba3062a55a21d4cc731868 — Adrian Perez de Castro 4 years ago aae45ce

dmon: Propagate exit status of monitored process

This is particularly useful when using the -m/--max-respawns option to
know whether the monitored process finished correctly or otherwise know
that it failed after the maximum amount of retries.

patch browse .tar.gz

1 files changed, 7 insertions(+), 2 deletions(-)

M dmon.c

M dmon.c => dmon.c +7 -2

@@ 538,10 538,12 @@ dmon_main (int argc, char **argv)
     cmd_task.write_fd = log_fds[1];
     log_task.read_fd  = log_fds[0];
 
+    int retcode = 0;
     while (running) {
         clog_debug(">>> loop iteration");
         if (check_child) {
-            int retcode = reap_and_check ();
+            retcode = reap_and_check ();
+            clog_debug("retcode = %d", retcode);
 
             /*
              * Wait the specified timeout but DO NOT use safe_sleep(): here


@@ 625,7 627,10 @@ dmon_main (int argc, char **argv)
         status_file = NULL;
     }
 
-    exit (EXIT_SUCCESS);
+    if (WIFEXITED (retcode))
+        exit (WEXITSTATUS (retcode));
+
+    exit (EXIT_FAILURE);
 }
 
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