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authorPaul Fox2005-08-01 22:52:09 +0000
committerPaul Fox2005-08-01 22:52:09 +0000
commit4240364098e0a2aa4edcd854de68373f5b6aa659 (patch)
tree2777c5fa3a0295d4e84604d2bba95a4c1cc677b2 /miscutils
parentf1dbd4a6f7438b247ad166dfd507c0868c64e7a6 (diff)
downloadbusybox-4240364098e0a2aa4edcd854de68373f5b6aa659.zip
busybox-4240364098e0a2aa4edcd854de68373f5b6aa659.tar.gz
commiting:
0000028 03-16-05 patch: new setsid applet
Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/Config.in6
-rw-r--r--miscutils/Makefile.in1
-rw-r--r--miscutils/setsid.c46
3 files changed, 53 insertions, 0 deletions
diff --git a/miscutils/Config.in b/miscutils/Config.in
index 69a3300..6c68cd0 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -215,6 +215,12 @@ config CONFIG_STRINGS
strings prints the printable character sequences for each file
specified.
+config CONFIG_SETSID
+ bool "setsid"
+ default n
+ help
+ setsid runs a program in a new session
+
config CONFIG_TIME
bool "time"
default n
diff --git a/miscutils/Makefile.in b/miscutils/Makefile.in
index d4c5ff7..8c53104 100644
--- a/miscutils/Makefile.in
+++ b/miscutils/Makefile.in
@@ -36,6 +36,7 @@ MISCUTILS-$(CONFIG_LAST) += last.o
MISCUTILS-$(CONFIG_MAKEDEVS) += makedevs.o
MISCUTILS-$(CONFIG_MT) += mt.o
MISCUTILS-$(CONFIG_RX) += rx.o
+MISCUTILS-$(CONFIG_SETSID) += setsid.o
MISCUTILS-$(CONFIG_STRINGS) += strings.o
MISCUTILS-$(CONFIG_TIME) += time.o
MISCUTILS-$(CONFIG_WATCHDOG) += watchdog.o
diff --git a/miscutils/setsid.c b/miscutils/setsid.c
new file mode 100644
index 0000000..7df35be
--- /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]);
+
+}