socket/accept4.c

   1 /* Copyright (C) 2008-2012 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <sys/socket.h>
  20
  21 /* Await a connection on socket FD.
  22    When a connection arrives, open a new socket to communicate with it,
  23    set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
  24    peer and *ADDR_LEN to the address's actual length, and return the
  25    new socket's descriptor, or -1 for errors.  The operation can be influenced
  26    by the FLAGS parameter.  */
  27 int
  28 __libc_accept4 (fd, addr, addr_len, flags)
  29      int fd;
  30      __SOCKADDR_ARG addr;
  31      socklen_t *addr_len;
  32      int flags;
  33 {
  34   __set_errno (ENOSYS);
  35   return -1;
  36 }
  37 weak_alias (__libc_accept4, accept4)
  38
  39
  40 stub_warning (accept4)
  41 #include <stub-tag.h>