/*
  *  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) 2002-2018 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 */