/*
   * Copyright © 2012 Collabora, Ltd.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice (including the
   * next paragraph) shall be included in all copies or substantial
   * portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  #ifndef OS_COMPATIBILITY_H
  #define OS_COMPATIBILITY_H
  
  #include "config.h"
  
  #include <sys/types.h>
  
  int
  os_fd_set_cloexec(int fd);
  
  int
  os_socketpair_cloexec(int domain, int type, int protocol, int *sv);
  
  int
  os_epoll_create_cloexec(void);
  
  int
  os_create_anonymous_file(off_t size);
  
  #ifndef HAVE_STRCHRNUL
  char *
  strchrnul(const char *s, int c);
  #endif
  
  struct ro_anonymous_file;
  
  enum ro_anonymous_file_mapmode
  {
  	RO_ANONYMOUS_FILE_MAPMODE_PRIVATE,
  	RO_ANONYMOUS_FILE_MAPMODE_SHARED,
  };
  
  struct ro_anonymous_file *
  os_ro_anonymous_file_create(size_t size,
  		const char                *data);
  
  void
  os_ro_anonymous_file_destroy(struct ro_anonymous_file *file);
  
  size_t
  os_ro_anonymous_file_size(struct ro_anonymous_file *file);
  
  int
  os_ro_anonymous_file_get_fd(struct ro_anonymous_file *file,
  		enum ro_anonymous_file_mapmode                mapmode);
  
  int
  os_ro_anonymous_file_put_fd(int fd);
  
  #endif /* OS_COMPATIBILITY_H */