/* Helper code for POSIX timer implementation on NPTL.

   Copyright (C) 2000-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.

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

#ifndef _TIMER_ROUTINES_H

#define _TIMER_ROUTINES_H	1

#include <internaltypes.h>

#include <string.h>

/* Compare two pthread_attr_t thread attributes for exact equality.

   Returns 1 if they are equal, otherwise zero if they are not equal

   or contain illegal values.  This version is NPTL-specific for

   performance reason.  One could use the access functions to get the

   values of all the fields of the attribute structure.  */

static inline int

thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)

{

  struct pthread_attr *ileft = (struct pthread_attr *) left;

  struct pthread_attr *iright = (struct pthread_attr *) right;

  return (ileft->flags == iright->flags

	  && ileft->schedpolicy == iright->schedpolicy

	  && (ileft->schedparam.sched_priority

	      == iright->schedparam.sched_priority)

	  && ileft->guardsize == iright->guardsize

	  && ileft->stackaddr == iright->stackaddr

	  && ileft->stacksize == iright->stacksize

	  && ((ileft->cpuset == NULL && iright->cpuset == NULL)

	      || (ileft->cpuset != NULL && iright->cpuset != NULL

		  && ileft->cpusetsize == iright->cpusetsize

		  && memcmp (ileft->cpuset, iright->cpuset,

			     ileft->cpusetsize) == 0)));

}

#endif	/* timer_routines.h */