/* Defintions for lowlevel handling in ld.so.   Copyright (C) 2006, 2007 Free Software Foundation, Inc.   This file is part of the GNU C Library.   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; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#ifndef _RTLD_LOWLEVEL_H#define  _RTLD_LOWLEVEL_H 1#include <atomic.h>#include <lowlevellock.h>/* Function to wait for variable become zero.  Used in ld.so for   reference counters.  */#define __rtld_waitzero(word) \  do {									      \    while (1)								      \      {									      \	int val = word;							      \	if (val == 0)							      \	  break;							      \	lll_futex_wait (&(word), val, LLL_PRIVATE);			      \      }									      \  } while (0)#define __rtld_notify(word) \  lll_futex_wake (&(word), 1, LLL_PRIVATE)#endif