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authorGravatar Paul Fox <pgf@brightstareng.com>2005-08-01 22:52:09 +0000
committerGravatar Paul Fox <pgf@brightstareng.com>2005-08-01 22:52:09 +0000
commit4240364098e0a2aa4edcd854de68373f5b6aa659 (patch)
tree2777c5fa3a0295d4e84604d2bba95a4c1cc677b2 /miscutils/setsid.c
parentf1dbd4a6f7438b247ad166dfd507c0868c64e7a6 (diff)
downloadbusybox-4240364098e0a2aa4edcd854de68373f5b6aa659.tar.gz
busybox-4240364098e0a2aa4edcd854de68373f5b6aa659.tar.bz2
commiting:
0000028 03-16-05 patch: new setsid applet
Diffstat (limited to 'miscutils/setsid.c')
-rw-r--r--miscutils/setsid.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/miscutils/setsid.c b/miscutils/setsid.c
new file mode 100644
index 000000000..7df35be3b
--- /dev/null
+++ b/miscutils/setsid.c
@@ -0,0 +1,46 @@
+/*
+ * setsid.c -- execute a command in a new session
+ * Rick Sladkey <jrs@world.std.com>
+ * In the public domain.
+ *
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ *
+ * 2001-01-18 John Fremlin <vii@penguinpowered.com>
+ * - fork in case we are process group leader
+ *
+ * 2004-11-12 Paul Fox
+ * - busyboxed
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "busybox.h"
+
+int
+setsid_main(int argc, char *argv[]) {
+
+ if (argc < 2) {
+ bb_show_usage();
+ }
+
+ if (getpgrp() == getpid()) {
+ switch(fork()){
+ case -1:
+ bb_perror_msg_and_die("fork");
+ case 0:
+ break;
+ default: /* parent */
+ exit(0);
+ }
+ /* child falls through */
+ }
+
+ setsid(); /* no error possible */
+
+ execvp(argv[1], argv + 1);
+
+ bb_perror_msg_and_die(argv[1]);
+
+}