From: Erik van der Kouwe <erik@minix3.org>
Date: Thu, 7 Jan 2010 09:53:08 +0000 (+0000)
Subject: Make get/setsockopt handle SOREUSEADDR
X-Git-Tag: v3.1.6~102
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/man.dnssec-keyfromlabel.html?a=commitdiff_plain;h=1a39ed880a1c80e900d4a286bc44333c0aecb623;p=minix.git

Make get/setsockopt handle SOREUSEADDR
---

diff --git a/lib/ip/getsockopt.c b/lib/ip/getsockopt.c
index dbf0ff2a7..861273628 100644
--- a/lib/ip/getsockopt.c
+++ b/lib/ip/getsockopt.c
@@ -78,6 +78,12 @@ static int _tcp_getsockopt(int socket, int level, int option_name,
 {
 	int i, r, err;
 
+	if (level == SOL_SOCKET && option_name == SO_REUSEADDR)
+	{
+		i = 1;	/* Binds to TIME_WAIT sockets never cause errors */
+		getsockopt_copy(&i, sizeof(i), option_value, option_len);
+		return 0;
+	}
 	if (level == SOL_SOCKET && option_name == SO_KEEPALIVE)
 	{
 		i = 1;	/* Keepalive is always on */
diff --git a/lib/ip/setsockopt.c b/lib/ip/setsockopt.c
index e6ef3631d..58922b9f6 100644
--- a/lib/ip/setsockopt.c
+++ b/lib/ip/setsockopt.c
@@ -63,6 +63,24 @@ static int _tcp_setsockopt(int socket, int level, int option_name,
 {
 	int i;
 
+	if (level == SOL_SOCKET && option_name == SO_REUSEADDR)
+	{
+		if (option_len != sizeof(i))
+		{
+			errno= EINVAL;
+			return -1;
+		}
+		i= *(int *)option_value;
+		if (!i)
+		{
+			/* At the moment there is no way to turn off 
+			 * reusing addresses.
+			 */
+			errno= ENOSYS;
+			return -1;
+		}
+		return 0;
+	}
 	if (level == SOL_SOCKET && option_name == SO_KEEPALIVE)
 	{
 		if (option_len != sizeof(i))