diff options
Diffstat (limited to 'fdmisc.c')
-rw-r--r-- | fdmisc.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/fdmisc.c b/fdmisc.c new file mode 100644 index 0000000..8c8b91e --- /dev/null +++ b/fdmisc.c @@ -0,0 +1,60 @@ +/* + * OpenVPN -- An application to securely tunnel IP networks + * over a single UDP port, with support for SSL/TLS-based + * session authentication and key exchange, + * packet encryption, packet authentication, and + * packet compression. + * + * Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifdef WIN32 +#include "config-win32.h" +#else +#include "config.h" +#endif + +#include "syshead.h" + +#include "fdmisc.h" +#include "error.h" + +#include "memdbg.h" + +/* Set a file descriptor to non-blocking */ +void +set_nonblock (int fd) +{ +#ifdef WIN32 + u_long arg = 1; + if (ioctlsocket (fd, FIONBIO, &arg)) + msg (M_SOCKERR, "Set socket to non-blocking mode failed"); +#else + if (fcntl (fd, F_SETFL, O_NONBLOCK) < 0) + msg (M_ERR, "Set file descriptor to non-blocking mode failed"); +#endif +} + +/* Set a file descriptor to not be passed across execs */ +void +set_cloexec (int fd) +{ +#ifndef WIN32 + if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0) + msg (M_ERR, "Set FD_CLOEXEC flag on file descriptor failed"); +#endif +} |