mirror of
https://github.com/OpenVPN/openvpn.git
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6add6b2fe7
server to share the same port number. git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@893 e7ae566f-a301-0410-adde-c780ea21d3b5
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef WIN32
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#include "config-win32.h"
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#else
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#include "config.h"
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#endif
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#include "syshead.h"
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#include "fdmisc.h"
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#include "error.h"
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#include "memdbg.h"
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/* Set a file descriptor to non-blocking */
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bool
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set_nonblock_action (int fd)
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{
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#ifdef WIN32
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u_long arg = 1;
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if (ioctlsocket (fd, FIONBIO, &arg))
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return false;
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#else
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if (fcntl (fd, F_SETFL, O_NONBLOCK) < 0)
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return false;
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#endif
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return true;
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}
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/* Set a file descriptor to not be passed across execs */
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bool
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set_cloexec_action (int fd)
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{
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#ifndef WIN32
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if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0)
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return false;
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#endif
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return true;
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}
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/* Set a file descriptor to non-blocking */
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void
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set_nonblock (int fd)
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{
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if (!set_nonblock_action (fd))
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msg (M_SOCKERR, "Set socket to non-blocking mode failed");
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}
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/* Set a file descriptor to not be passed across execs */
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void
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set_cloexec (int fd)
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{
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if (!set_cloexec_action (fd))
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msg (M_ERR, "Set FD_CLOEXEC flag on file descriptor failed");
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}
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