From c98bbe2b9afc3667f06ed0951af254c2926ff3b3 Mon Sep 17 00:00:00 2001
From: Eric House <eehouse@trand>
Date: Mon, 13 Aug 2012 06:44:16 -0700
Subject: [PATCH] use setsockopt to limit read() block time and so to prevent
 linux version from being unkillable when relay crashes at the wrong time.

---
 xwords4/linux/linuxmain.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xwords4/linux/linuxmain.c b/xwords4/linux/linuxmain.c
index 87cc8b63c..065d7cd6a 100644
--- a/xwords4/linux/linuxmain.c
+++ b/xwords4/linux/linuxmain.c
@@ -728,6 +728,10 @@ linux_init_relay_socket( CommonGlobals* cGlobals, const CommsAddrRec* addrRec )
         if ( 0 == connect( sock, (const struct sockaddr*)&to_sock, 
                            sizeof(to_sock) ) ) {
             cGlobals->socket = sock;
+
+            struct timeval tv = {0};
+            tv.tv_sec = 15;
+            setsockopt( sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv) );
         } else {
             close( sock );
             sock = -1;