commiting:

0000028 03-16-05 patch: new setsid applet

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<4D>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]);
+
+}