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/*
* 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) 2002-2021 OpenVPN Inc <sales@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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef FD_MISC_H
#define FD_MISC_H
#include "basic.h"
#include "error.h"
#include "syshead.h"
bool set_nonblock_action(int fd);
bool set_cloexec_action(int fd);
void set_nonblock(int fd);
void set_cloexec(int fd);
static inline void
openvpn_fd_set(int fd, fd_set *setp)
{
#ifndef _WIN32 /* The Windows FD_SET() implementation does not overflow */
ASSERT(fd >= 0 && fd < FD_SETSIZE);
#endif
FD_SET(fd, setp);
}
#undef FD_SET /* prevent direct use of FD_SET() */
#endif /* FD_MISC_H */
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