sysdeps/m68k/nptl/bits/pthreadtypes-arch.h

   1 /* Copyright (C) 2010-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _BITS_PTHREADTYPES_ARCH_H
  20 #define _BITS_PTHREADTYPES_ARCH_H       1
  21
  22 #include <endian.h>
  23
  24 #define __SIZEOF_PTHREAD_ATTR_T 36
  25 #define __SIZEOF_PTHREAD_MUTEX_T 24
  26 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
  27 #define __SIZEOF_PTHREAD_COND_T 48
  28 #define __SIZEOF_PTHREAD_CONDATTR_T 4
  29 #define __SIZEOF_PTHREAD_RWLOCK_T 32
  30 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
  31 #define __SIZEOF_PTHREAD_BARRIER_T 20
  32 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
  33
  34 /* Data structure for mutex handling. */
  35 #define __PTHREAD_COMPAT_PADDING_MID
  36 #define __PTHREAD_COMPAT_PADDING_END
  37 #define __PTHREAD_MUTEX_LOCK_ELISION    0
  38
  39 #define __LOCK_ALIGNMENT __attribute__ ((__aligned__ (4)))
  40 #define __ONCE_ALIGNMENT __attribute__ ((__aligned__ (4)))
  41
  42 struct __pthread_rwlock_arch_t
  43 {
  44   unsigned int __readers  __attribute__ ((__aligned__ (4)));
  45   unsigned int __writers;
  46   unsigned int __wrphase_futex;
  47   unsigned int __writers_futex;
  48   unsigned int __pad3;
  49   unsigned int __pad4;
  50   unsigned char __pad1;
  51   unsigned char __pad2;
  52   unsigned char __shared;
  53   /* FLAGS must stay at this position in the structure to maintain
  54      binary compatibility.  */
  55   unsigned char __flags;
  56   int __cur_writer;
  57 };
  58
  59 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
  60
  61 #endif  /* bits/pthreadtypes.h */