From 38e5f07c0f93e333b35cffc9bb902de599a3bef9 Mon Sep 17 00:00:00 2001
From: Glenn Kasten <gkasten@google.com>
Date: Mon, 23 Sep 2013 15:10:12 -0700
Subject: toolbox: Add nohup command

Change-Id: I2f7d9934b54d98886d7a6205ea122d9ce91066ec
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
---
 toolbox/Android.mk |  1 +
 toolbox/nohup.c    | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 toolbox/nohup.c

diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 77df4d4..6bac5f5 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -39,6 +39,7 @@ TOOLS := \
 	nandread \
 	netstat \
 	newfs_msdos \
+	nohup \
 	notify \
 	printenv \
 	ps \
diff --git a/toolbox/nohup.c b/toolbox/nohup.c
new file mode 100644
index 0000000..363999d
--- /dev/null
+++ b/toolbox/nohup.c
@@ -0,0 +1,26 @@
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int nohup_main(int argc, char *argv[])
+{
+    if (argc < 2) {
+        fprintf(stderr, "Usage: %s [-n] program args...\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+    signal(SIGHUP, SIG_IGN);
+    argv++;
+    if (strcmp(argv[0], "-n") == 0) {
+        argv++;
+        signal(SIGINT, SIG_IGN);
+        signal(SIGSTOP, SIG_IGN);
+        signal(SIGTTIN, SIG_IGN);
+        signal(SIGTTOU, SIG_IGN);
+        signal(SIGQUIT, SIG_IGN);
+        signal(SIGTERM, SIG_IGN);
+    }
+    execvp(argv[0], argv);
+    perror(argv[0]);
+    return EXIT_FAILURE;
+}
-- 
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