sysdeps/unix/sysv/linux/accept.c

   1 /* Copyright (C) 2015-2016 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 <signal.h>
  20 #include <sys/socket.h>
  21
  22 #include <sysdep-cancel.h>
  23 #include <socketcall.h>
  24 #include <sys/syscall.h>
  25 #include <kernel-features.h>
  26
  27 int
  28 __libc_accept (int fd, __SOCKADDR_ARG addr, socklen_t *len)
  29 {
  30 #ifdef __ASSUME_ACCEPT_SYSCALL
  31   return SYSCALL_CANCEL (accept, fd, addr.__sockaddr__, len);
  32 #elif defined __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL
  33   return SYSCALL_CANCEL (accept4, fd, addr.__sockaddr__, len, 0);
  34 #else
  35   return SOCKETCALL_CANCEL (accept, fd, addr.__sockaddr__, len);
  36 #endif
  37 }
  38 weak_alias (__libc_accept, accept)
  39 libc_hidden_def (accept)