Merge branch 'lem/epmd_sd_notify/OTP-12321' into maint

* lem/epmd_sd_notify/OTP-12321:
  epmd: Unify systemd autoconf macros usage
  epmd: Added systemd notify support to EPMD

1 files changed, 11 insertions, 9 deletions

diff --git a/erts/epmd/src/epmd.c b/erts/epmd/src/epmd.c
index 9630e0cdf0..9699491526 100644
--- a/erts/epmd/src/epmd.c
+++ b/erts/epmd/src/epmd.c
@@ -175,9 +175,9 @@ int main(int argc, char** argv)
     g->nodes.reg = g->nodes.unreg = g->nodes.unreg_tail = NULL;
     g->nodes.unreg_count = 0;
     g->active_conn    = 0;
-#ifdef HAVE_SYSTEMD_SD_DAEMON_H
+#ifdef HAVE_SYSTEMD_DAEMON
     g->is_systemd     = 0;
-#endif
+#endif /* HAVE_SYSTEMD_DAEMON */
 
     for (i = 0; i < MAX_LISTEN_SOCKETS; i++)
 	g->listenfd[i] = -1;
@@ -251,11 +251,11 @@ int main(int argc, char** argv)
 	    else
 		usage(g);
 	    epmd_cleanup_exit(g,0);
-#ifdef HAVE_SYSTEMD_SD_DAEMON_H
+#ifdef HAVE_SYSTEMD_DAEMON
 	} else if (strcmp(argv[0], "-systemd") == 0) {
             g->is_systemd = 1;
             argv++; argc--;
-#endif
+#endif /* HAVE_SYSTEMD_DAEMON */
 	} else
 	    usage(g);
     }
@@ -461,11 +461,11 @@ static void usage(EpmdVars *g)
     fprintf(stderr, "        Forcibly unregisters a name with epmd\n");
     fprintf(stderr, "        (only allowed if -relaxed_command_check was given when \n");
     fprintf(stderr, "        epmd was started).\n");
-#ifdef HAVE_SYSTEMD_SD_DAEMON_H
+#ifdef HAVE_SYSTEMD_DAEMON
     fprintf(stderr, "    -systemd\n");
     fprintf(stderr, "        Wait for socket from systemd. The option makes sense\n");
     fprintf(stderr, "        when started from .socket unit.\n");
-#endif
+#endif /* HAVE_SYSTEMD_DAEMON */
     epmd_cleanup_exit(g,1);
 }
 
@@ -593,9 +593,11 @@ void epmd_cleanup_exit(EpmdVars *g, int exitval)
       for(i=0; g->argv[i] != NULL; ++i)
 	  free(g->argv[i]);
       free(g->argv);
-  }      
-      
-
+  }
+#ifdef HAVE_SYSTEMD_DAEMON
+  sd_notifyf(0, "STATUS=Exited.\n"
+                "ERRNO=%i", exitval);
+#endif /* HAVE_SYSTEMD_DAEMON */
   exit(exitval);
 }