big svn cleanup
[anytun.git] / src / openvpn / fdmisc.c
blob8c8b91e17399f18342a9a4c24a02d6fab22c4179
1 /*
2 * OpenVPN -- An application to securely tunnel IP networks
3 * over a single UDP port, with support for SSL/TLS-based
4 * session authentication and key exchange,
5 * packet encryption, packet authentication, and
6 * packet compression.
8 * Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2
12 * as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program (see the file COPYING included with this
21 * distribution); if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #ifdef WIN32
26 #include "config-win32.h"
27 #else
28 #include "config.h"
29 #endif
31 #include "syshead.h"
33 #include "fdmisc.h"
34 #include "error.h"
36 #include "memdbg.h"
38 /* Set a file descriptor to non-blocking */
39 void
40 set_nonblock (int fd)
42 #ifdef WIN32
43 u_long arg = 1;
44 if (ioctlsocket (fd, FIONBIO, &arg))
45 msg (M_SOCKERR, "Set socket to non-blocking mode failed");
46 #else
47 if (fcntl (fd, F_SETFL, O_NONBLOCK) < 0)
48 msg (M_ERR, "Set file descriptor to non-blocking mode failed");
49 #endif
52 /* Set a file descriptor to not be passed across execs */
53 void
54 set_cloexec (int fd)
56 #ifndef WIN32
57 if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0)
58 msg (M_ERR, "Set FD_CLOEXEC flag on file descriptor failed");
59 #endif