sysdeps/unix/sysv/linux/paccept.c

   1 /* Copyright (C) 2008 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2008.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <signal.h>
  22 #include <sys/socket.h>
  23
  24 #include <sysdep-cancel.h>
  25 #include <sys/syscall.h>
  26
  27 #ifdef __NR_paccept
  28 int
  29 paccept (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len,
  30          const __sigset_t *ss, int flags)
  31 {
  32   if (SINGLE_THREAD_P)
  33     return INLINE_SYSCALL (paccept, 6, fd, addr.__sockaddr__, addr_len, ss,
  34                            _NSIG / 8, flags);
  35
  36   int oldtype = LIBC_CANCEL_ASYNC ();
  37
  38   int result = INLINE_SYSCALL (paccept, 6, fd, addr.__sockaddr__, addr_len, ss,
  39                                _NSIG / 8, flags);
  40
  41   LIBC_CANCEL_RESET (oldtype);
  42
  43   return result;
  44 }
  45 #else
  46 int
  47 paccept (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len,
  48          const __sigset_t *ss, int flags)
  49 {
  50   __set_errno (ENOSYS);
  51   return -1;
  52 stub_warning (epoll_pwait)
  53 }
  54 #endif