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pthreadtypes-arch.h

/* 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_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H	1

#include <bits/wordsize.h>

#ifdef __x86_64__
# if __WORDSIZE == 64
#  define __SIZEOF_PTHREAD_MUTEX_T 40
#  define __SIZEOF_PTHREAD_ATTR_T 56
#  define __SIZEOF_PTHREAD_MUTEX_T 40
#  define __SIZEOF_PTHREAD_RWLOCK_T 56
#  define __SIZEOF_PTHREAD_BARRIER_T 32
# else
#  define __SIZEOF_PTHREAD_MUTEX_T 32
#  define __SIZEOF_PTHREAD_ATTR_T 32
#  define __SIZEOF_PTHREAD_MUTEX_T 32
#  define __SIZEOF_PTHREAD_RWLOCK_T 44
#  define __SIZEOF_PTHREAD_BARRIER_T 20
# endif
#else
# define __SIZEOF_PTHREAD_MUTEX_T 24
# define __SIZEOF_PTHREAD_ATTR_T 36
# define __SIZEOF_PTHREAD_MUTEX_T 24
# define __SIZEOF_PTHREAD_RWLOCK_T 32
# define __SIZEOF_PTHREAD_BARRIER_T 20
#endif
#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
#define __SIZEOF_PTHREAD_COND_T 48
#define __SIZEOF_PTHREAD_CONDATTR_T 4
#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
#define __SIZEOF_PTHREAD_BARRIERATTR_T 4

/* Definitions for internal mutex struct.  */
#define __PTHREAD_COMPAT_PADDING_MID
#define __PTHREAD_COMPAT_PADDING_END
#define __PTHREAD_MUTEX_LOCK_ELISION    1
#ifdef __x86_64__
# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  0
# define __PTHREAD_MUTEX_USE_UNION          0
#else
# define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
# define __PTHREAD_MUTEX_USE_UNION          1
#endif

#define __LOCK_ALIGNMENT
#define __ONCE_ALIGNMENT

struct __pthread_rwlock_arch_t
{
  unsigned int __readers;
  unsigned int __writers;
  unsigned int __wrphase_futex;
  unsigned int __writers_futex;
  unsigned int __pad3;
  unsigned int __pad4;
#ifdef __x86_64__
  int __cur_writer;
  int __shared;
  signed char __rwelision;
# ifdef  __ILP32__
  unsigned char __pad1[3];
#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 }
# else
  unsigned char __pad1[7];
#  define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 }
# endif
  unsigned long int __pad2;
  /* FLAGS must stay at this position in the structure to maintain
     binary compatibility.  */
  unsigned int __flags;
# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
#else
  /* FLAGS must stay at this position in the structure to maintain
     binary compatibility.  */
  unsigned char __flags;
  unsigned char __shared;
  signed char __rwelision;
# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
  unsigned char __pad2;
  int __cur_writer;
#endif
};

#ifndef __x86_64__
/* Extra attributes for the cleanup functions.  */
# define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
#endif

#endif	/* bits/pthreadtypes.h */

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