summary refs log tree commit diff
path: root/sysdeps/unix/sockatmark.c
blob: cf553c44a2c6a35cfee69ecaeb6c4bde6e872979 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <sys/ioctl.h>
#include <sys/socket.h>

/* Determine wheter socket is at a out-of-band mark.  */
int
sockatmark (fd)
     int fd;
{
  int answ;

  return __ioctl (fd, SIOCATMARK, &answ) == -1 ? -1 : answ;
}