sm

commit 468f73b04c1967c5a8f90e1e276ad4f59229f14a
parent 247813beabedf26ede4e9e143693b817c6c3e593
Author: Cem Keylan <cem@ckyln.com>
Date:   Sat, 10 Oct 2020 11:17:26 +0300

sysmgr-depends: add program to track dependencies

Diffstat:
M
Makefile
 | 
3
++-
A
sysmgr-depends.c
 | 
42
++++++++++++++++++++++++++++++++++++++++++

2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
@@ -20,7 +20,8 @@ LIBUTILSRC = \
 BIN = \
       sysmgr \
       runsyssv \
-      svctl
+      svctl \
+      sysmgr-depends
 
 SRC = ${BIN:=.c}
 BINOBJ = ${SRC:.c=.o}
diff --git a/sysmgr-depends.c b/sysmgr-depends.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "util.h"
+#include "config.h"
+static char *argv0;
+
+void
+usage(void)
+{
+	printf("usage: %s [service...]\n\nsysmgr-%s\n", argv0, VERSION);
+	exit(0);
+}
+
+int
+main (int argc, char *argv[])
+{
+	int i;
+	argv0 = argv[0];
+	if (argc < 2 || strncmp(argv[1], "-", 1) == 0)
+		usage();
+
+	/* Make a check that the services are actually valid. */
+	for (i=1; i < argc; i++) {
+		struct service sv;
+		sv_init(&sv, argv[i]);
+		if (access(sv.svfile, R_OK) < 0)
+			die("service file for '%s' could not be found", argv[i]);
+	}
+
+	for (i=1; i < argc; i++) {
+		struct service sv;
+		sv_init(&sv, argv[i]);
+		while(1) {
+			if (sv_check(&sv, 1) == 0)
+				break;
+			sleep(1);
+		}
+	}
+}