nptl/pt-select.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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 <stdlib.h>
  22 #include <sysdep.h>
  23 #include <unistd.h>
  24 #include "pthreadP.h"
  25
  26
  27 int
  28 select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
  29         struct timeval *timeout)
  30 {
  31   int result;
  32   int oldtype;
  33
  34   CANCEL_ASYNC (oldtype);
  35
  36 #if defined INLINE_SYSCALL && defined __NR__newselect
  37   result = INLINE_SYSCALL (_newselect, 5, nfds, readfds, writefds, exceptfds,
  38                            timeout);
  39 #else
  40   result = __select (nfds, readfds, writefds, exceptfds, timeout);
  41 #endif
  42
  43   CANCEL_RESET (oldtype);
  44
  45   return result;
  46 }