/* Cancelation.  Generic version.

   Copyright (C) 2002-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#ifndef _BITS_CANCELATION_H

#define _BITS_CANCELATION_H	1

struct __pthread_cancelation_handler

{

  void (*__handler) (void *);

  void *__arg;

  struct __pthread_cancelation_handler *__next;

};

/* Returns the thread local location of the cleanup handler stack.  */

struct __pthread_cancelation_handler **__pthread_get_cleanup_stack (void);

#define __pthread_cleanup_push(rt, rtarg) \

	{ \

	  struct __pthread_cancelation_handler **__handlers \

	    = __pthread_get_cleanup_stack (); \

	  struct __pthread_cancelation_handler __handler = \

	    { \

	      (rt), \

	      (rtarg), \

	      *__handlers \

	    }; \

	  *__handlers = &__handler;

#define __pthread_cleanup_pop(execute) \

	  if (execute) \

	    __handler.__handler (__handler.__arg); \

	  *__handlers = __handler.__next; \

	}

#endif /* _BITS_CANCELATION_H */