/* Copyright (C) 2003 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.   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; see the file COPYING.LIB.  If not,   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,   Boston, MA 02111-1307, USA.  */#include <shlib-compat.h>#include "compat-timer.h"#include <atomic.h>#define timer_create_alias __timer_create_new#include "../timer_create.c"#undef timer_createversioned_symbol (librt, __timer_create_new, timer_create, GLIBC_2_3_3);#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)timer_t __compat_timer_list[OLD_TIMER_MAX] attribute_hidden;int__timer_create_old (clockid_t clock_id, struct sigevent *evp, int *timerid){  timer_t newp;  int res = __timer_create_new (clock_id, evp, &newp);  if (res == 0)    {      int i;      for (i = 0; i < OLD_TIMER_MAX; ++i)	if (__compat_timer_list[i] == NULL	    && ! atomic_compare_and_exchange_bool_acq (&__compat_timer_list[i],						       newp, NULL))	  {	    *timerid = i;	    break;	  }      if (__builtin_expect (i == OLD_TIMER_MAX, 0))	{	  /* No free slot.  */	  (void) __timer_delete_new (newp);	  __set_errno (EINVAL);	  res = -1;	}    }  return res;}compat_symbol (librt, __timer_create_old, timer_create, GLIBC_2_2);#endif