From 6d0443557c96dc130d96931007b4d82a2d97bafc Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sun, 9 Nov 2008 00:44:40 +0000 Subject: [PATCH] telnetd: set SO_KEEPALIVE, users report it's useful. +20 bytes. --- networking/telnetd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/networking/telnetd.c b/networking/telnetd.c index f60c42056..46dfb318f 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -182,6 +182,8 @@ make_new_session( ndelay_on(fd); #if ENABLE_FEATURE_TELNETD_STANDALONE ts->sockfd_read = sock; + /* SO_KEEPALIVE by popular demand */ + setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); ndelay_on(sock); if (!sock) { /* We are called with fd 0 - we are in inetd mode */ sock++; /* so use fd 1 for output */ @@ -191,6 +193,8 @@ make_new_session( if (sock > maxfd) maxfd = sock; #else + /* SO_KEEPALIVE by popular demand */ + setsockopt(0, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); /* ts->sockfd_read = 0; - done by xzalloc */ ts->sockfd_write = 1; ndelay_on(0); -- 2.25.1