X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/fc0f17db91f32c7504756e92a411a60d2ef0e264..33f07e9636e80bb17f25f97145ca2e0eb262db30:/winnet.c

diff --git a/winnet.c b/winnet.c
index 21a2f293..bcb22bf4 100644
--- a/winnet.c
+++ b/winnet.c
@@ -658,7 +658,7 @@ Socket sk_register(void *sock, Plug plug)
 }
 
 Socket sk_new(SockAddr addr, int port, int privport, int oobinline,
-	      int nodelay, Plug plug)
+	      int nodelay, int keepalive, Plug plug)
 {
     static const struct socket_function_table fn_table = {
 	sk_tcp_plug,
@@ -722,6 +722,11 @@ Socket sk_new(SockAddr addr, int port, int privport, int oobinline,
 	p_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, (void *) &b, sizeof(b));
     }
 
+    if (keepalive) {
+	BOOL b = TRUE;
+	p_setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (void *) &b, sizeof(b));
+    }
+
     /*
      * Bind to local address.
      */