From: Philip Homburg <philip@cs.vu.nl>
Date: Fri, 24 Mar 2006 14:07:42 +0000 (+0000)
Subject: Added SO_ERROR support for tcp sockets.
X-Git-Tag: v3.1.2a~153
X-Git-Url: http://zhaoyanbai.com/repos/nslookup.html?a=commitdiff_plain;h=e6dbd5cabf92faee0d71665e5f4d77ee55b2935f;p=minix.git

Added SO_ERROR support for tcp sockets.
---

diff --git a/lib/ip/getsockopt.c b/lib/ip/getsockopt.c
index 537e0c945..f72106264 100644
--- a/lib/ip/getsockopt.c
+++ b/lib/ip/getsockopt.c
@@ -61,7 +61,7 @@ int getsockopt(int socket, int level, int option_name,
 static int _tcp_getsockopt(int socket, int level, int option_name,
 	void *_RESTRICT option_value, socklen_t *_RESTRICT option_len)
 {
-	int i;
+	int i, r, err;
 
 	if (level == SOL_SOCKET && option_name == SO_KEEPALIVE)
 	{
@@ -73,6 +73,18 @@ static int _tcp_getsockopt(int socket, int level, int option_name,
 		*option_len= sizeof(i);
 		return 0;
 	}
+	if (level == SOL_SOCKET && option_name == SO_ERROR)
+	{
+		r= ioctl(socket, NWIOTCPGERROR, &err);
+		if (r != 0)
+			return r;
+		if (*option_len < sizeof(err))
+			memcpy(option_value, &err, *option_len);
+		else
+			memcpy(option_value, &err, sizeof(err));
+		*option_len= sizeof(err);
+		return 0;
+	}
 	if (level == SOL_SOCKET && option_name == SO_RCVBUF)
 	{
 		i= 32*1024;	/* Receive buffer in the current