From 520aae40c8c9c020745ae37db81c7264900d4170 Mon Sep 17 00:00:00 2001
From: Nicolas Thill <nico@openwrt.org>
Date: Fri, 7 Apr 2006 00:00:41 +0000
Subject: [PATCH] Fix l2tpd blocking on read from ppp childs (closes: #455)

SVN-Revision: 3597
---
 openwrt/package/l2tpd/Makefile                |  2 +-
 .../package/l2tpd/patches/04-nonblock.patch   | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 openwrt/package/l2tpd/patches/04-nonblock.patch

diff --git a/openwrt/package/l2tpd/Makefile b/openwrt/package/l2tpd/Makefile
index 0af0c09f45..fa1a0f9489 100644
--- a/openwrt/package/l2tpd/Makefile
+++ b/openwrt/package/l2tpd/Makefile
@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=l2tpd
 PKG_VERSION:=0.70pre
 PKG_UPSTREAM_VERSION:=0.70-pre20031121
-PKG_RELEASE:=2.1
+PKG_RELEASE:=3.1
 PKG_MD5SUM:=3f2707b6e16a8cb72e7bf64f574202fa
 
 PKG_SOURCE_URL:=http://ftp.debian.org/debian/pool/main/l/l2tpd
diff --git a/openwrt/package/l2tpd/patches/04-nonblock.patch b/openwrt/package/l2tpd/patches/04-nonblock.patch
new file mode 100644
index 0000000000..7fc2226acd
--- /dev/null
+++ b/openwrt/package/l2tpd/patches/04-nonblock.patch
@@ -0,0 +1,26 @@
+--- l2tpd-0.70-pre20031121.orig/l2tpd.c.orig	2006-04-05 13:28:36.000000000 +0100
++++ l2tpd-0.70-pre20031121.orig/l2tpd.c	2006-04-05 13:33:39.000000000 +0100
+@@ -289,6 +289,8 @@
+ #endif
+     struct termios ptyconf;
+     char *str;
++    int flags;
++
+     p = opts;
+     stropt[0] = strdup (PPPD);
+     while (p)
+@@ -347,6 +349,14 @@
+ 		close(c->fd);
+ 		return -EINVAL;
+ 	    }
++	    flags = fcntl(c->fd, F_GETFL);
++	    if (flags < 0 || fcntl(c->fd, F_SETFL, flags | O_NONBLOCK) < 0)
++	    {
++		log (LOG_WARN, "%s: unable to fcntl(O_NONBLOCK) on pty\n",
++			__FUNCTION__);
++		close(c->fd);
++		return -EINVAL;
++	    }
+ 	    tty = ptsname(c->fd);
+ 	    if (tty == NULL)
+ 	    {
-- 
2.30.2