sysmgr

commit 2a937333604fb4cbfbdef0811c8235504aaa2990
parent 75b69eba5d33e252822656b1bda2590d5830bc98
Author: Cem Keylan <cem@ckyln.com>
Date:   Wed, 16 Sep 2020 20:13:28 +0300

checkprocess: add simple C utility to check processes

Diffstat:
M
utils/Makefile
 | 
4
++--
A
utils/checkprocess.c
 | 
31
+++++++++++++++++++++++++++++++

2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/utils/Makefile b/utils/Makefile
@@ -1,9 +1,9 @@
 CC  = cc
 
 HDR = util.h
-SRC = util.c sysmgr-needs.c
+SRC = util.c sysmgr-needs.c checkprocess.c
 OBJ = ${SRC:.c=.o}
-BIN = sysmgr-needs
+BIN = sysmgr-needs checkprocess
 
 all: ${BIN}
 
diff --git a/utils/checkprocess.c b/utils/checkprocess.c
@@ -0,0 +1,31 @@
+/* See LICENSE for copyright information */
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <libgen.h>
+
+#include "util.h"
+
+static char *argv0;
+
+void
+usage(void)
+{
+	fprintf(stderr, "usage: %s [pid]\n", argv0);
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	argv0 = basename(argv[0]);
+	int pid;
+
+	if (!argv[1] || sscanf(argv[1], "%d", &pid) != 1)
+		usage();
+
+	if (checkprocess(pid) == 0)
+		return 0;
+	else
+		return 1;
+}