supervise-daemon: use RC_SVCNAME as the first argument to the daemon

This makes ps show which service the supervisor is monitoring.

2 files changed, 18 insertions, 10 deletions

diff --git a/sh/supervise-daemon.sh b/sh/supervise-daemon.sh
index e5d8d461..f6e599d5 100644
--- a/sh/supervise-daemon.sh
+++ b/sh/supervise-daemon.sh
@@ -22,7 +22,7 @@ supervise_start()
 	# The eval call is necessary for cases like:
 	# command_args="this \"is a\" test"
 	# to work properly.
-	eval supervise-daemon --start \
+	eval supervise-daemon "${RC_SVCNAME}" --start \
 		${retry:+--retry} $retry \
 		${chroot:+--chroot} $chroot \
 		${pidfile:+--pidfile} $pidfile \
@@ -49,7 +49,7 @@ supervise_stop()
 	pidfile="${startpidfile:-$pidfile}"
 	[ -n "$pidfile" ] || return 0
 	ebegin "Stopping ${name:-$RC_SVCNAME}"
-	supervise-daemon --stop \
+	supervise-daemon "${RC_SVCNAME}" --stop \
 		${pidfile:+--pidfile} $chroot$pidfile \
 		${stopsig:+--signal} $stopsig
 
diff --git a/src/rc/supervise-daemon.c b/src/rc/supervise-daemon.c
index 1d0c3407..3989cbc7 100644
--- a/src/rc/supervise-daemon.c
+++ b/src/rc/supervise-daemon.c
@@ -561,8 +561,13 @@ int main(int argc, char **argv)
 	applet = basename_c(argv[0]);
 	atexit(cleanup);
 	svcname = getenv("RC_SVCNAME");
+	if (!svcname)
+		eerrorx("%s: The RC_SVCNAME environment variable is not set", applet);
 	openlog(applet, LOG_PID, LOG_DAEMON);
 
+	if (argc >= 1 && svcname && strcmp(argv[1], svcname))
+		eerrorx("%s: the first argument must be %s", applet, svcname);
+
 	if ((tmp = getenv("SSD_NICELEVEL")))
 		if (sscanf(tmp, "%d", &nicelevel) != 1)
 			eerror("%s: invalid nice level `%s' (SSD_NICELEVEL)",
@@ -583,6 +588,17 @@ int main(int argc, char **argv)
 		}
 	}
 
+	*cmdline = '\0';
+	c = argv;
+	while (c && *c) {
+		strcat(cmdline, *c);
+		strcat(cmdline, " ");
+		c++;
+	}
+	if (svcname) {
+		argc--;
+		argv++;
+	}
 	while ((opt = getopt_long(argc, argv, getoptstring, longopts,
 		    (int *) 0)) != -1)
 		switch (opt) {
@@ -721,14 +737,6 @@ int main(int argc, char **argv)
 
 	if (!pidfile && !reexec)
 		eerrorx("%s: --pidfile must be specified", applet);
-
-	*cmdline = '\0';
-	c = argv;
-	while (c && *c) {
-		strcat(cmdline, *c);
-		strcat(cmdline, " ");
-		c++;
-	}
 	endpwent();
 	argc -= optind;
 	argv += optind;