Revert "Merge branch 'master' of github.com:ianbarber/libzmq"

This reverts commit 3345902979, reversing
changes made to 889b0e6f29.

src/tcp.cpp

@@ -1,122 +0,0 @@
-/*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
-
-    This file is part of 0MQ.
-
-    0MQ is free software; you can redistribute it and/or modify it under
-    the terms of the GNU Lesser General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    0MQ is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Lesser General Public License for more details.
-
-    You should have received a copy of the GNU Lesser General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ip.hpp"
-#include "tcp.hpp"
-#include "err.hpp"
-#include "platform.hpp"
-
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#else
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#endif
-
-#if defined ZMQ_HAVE_OPENVMS
-#include <ioctl.h>
-#endif
-
-void zmq::tune_tcp_socket (fd_t s_)
-{
-    //  Disable Nagle's algorithm. We are doing data batching on 0MQ level,
-    //  so using Nagle wouldn't improve throughput in anyway, but it would
-    //  hurt latency.
-    int nodelay = 1;
-    int rc = setsockopt (s_, IPPROTO_TCP, TCP_NODELAY, (char*) &nodelay,
-        sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-    wsa_assert (rc != SOCKET_ERROR);
-#else
-    errno_assert (rc == 0);
-#endif
-
-#ifdef ZMQ_HAVE_OPENVMS
-    //  Disable delayed acknowledgements as they hurt latency is serious manner.
-    int nodelack = 1;
-    rc = setsockopt (s_, IPPROTO_TCP, TCP_NODELACK, (char*) &nodelack,
-        sizeof (int));
-    errno_assert (rc != SOCKET_ERROR);
-#endif
-}
-
-void zmq::tune_tcp_keepalives (fd_t s_, int keepalive_, int keepalive_cnt_, int keepalive_idle_, int keepalive_intvl_)
-{
-    //  Tuning TCP keep-alives if platform allows it
-    //  All values = -1 means skip and leave it for OS
-#ifdef ZMQ_HAVE_SO_KEEPALIVE
-    if (keepalive_ != -1) {
-        int rc = setsockopt (s_, SOL_SOCKET, SO_KEEPALIVE, (char*) &keepalive_, sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-        wsa_assert (rc != SOCKET_ERROR);
-#else
-        errno_assert (rc == 0);
-#endif
-
-#ifdef ZMQ_HAVE_TCP_KEEPCNT
-        if (keepalive_cnt_ != -1) {
-            int rc = setsockopt (s_, IPPROTO_TCP, TCP_KEEPCNT, &keepalive_cnt_, sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-            wsa_assert (rc != SOCKET_ERROR);
-#else
-            errno_assert (rc == 0);
-#endif
-        }
-#endif // ZMQ_HAVE_TCP_KEEPCNT
-
-#ifdef ZMQ_HAVE_TCP_KEEPIDLE
-        if (keepalive_idle_ != -1) {
-            int rc = setsockopt (s_, IPPROTO_TCP, TCP_KEEPIDLE, &keepalive_idle_, sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-            wsa_assert (rc != SOCKET_ERROR);
-#else
-            errno_assert (rc == 0);
-#endif
-        }
-#else // ZMQ_HAVE_TCP_KEEPIDLE
-#ifdef ZMQ_HAVE_TCP_KEEPALIVE
-        if (keepalive_idle_ != -1) {
-            int rc = setsockopt (s_, IPPROTO_TCP, TCP_KEEPALIVE, &keepalive_idle_, sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-            wsa_assert (rc != SOCKET_ERROR);
-#else
-            errno_assert (rc == 0);
-#endif
-        }
-#endif // ZMQ_HAVE_TCP_KEEPALIVE
-#endif // ZMQ_HAVE_TCP_KEEPIDLE
-
-#ifdef ZMQ_HAVE_TCP_KEEPINTVL
-        if (keepalive_intvl_ != -1) {
-            int rc = setsockopt (s_, IPPROTO_TCP, TCP_KEEPINTVL, &keepalive_intvl_, sizeof (int));
-#ifdef ZMQ_HAVE_WINDOWS
-            wsa_assert (rc != SOCKET_ERROR);
-#else
-            errno_assert (rc == 0);
-#endif
-        }
-#endif // ZMQ_HAVE_TCP_KEEPINTVL
-    }
-#endif // ZMQ_HAVE_SO_KEEPALIVE
-}