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

   1 /* Copyright (C) 2002-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _BITS_PTHREADTYPES_ARCH_H
  19 #define _BITS_PTHREADTYPES_ARCH_H       1
  20
  21 #include <endian.h>
  22
  23 #define __SIZEOF_PTHREAD_ATTR_T 36
  24 #define __SIZEOF_PTHREAD_MUTEX_T 24
  25 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
  26 #define __SIZEOF_PTHREAD_COND_T 48
  27 #define __SIZEOF_PTHREAD_CONDATTR_T 4
  28 #define __SIZEOF_PTHREAD_RWLOCK_T 32
  29 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
  30 #define __SIZEOF_PTHREAD_BARRIER_T 20
  31 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
  32
  33 /* Definitions for internal mutex struct.  */
  34 #define __PTHREAD_COMPAT_PADDING_MID
  35 #define __PTHREAD_COMPAT_PADDING_END
  36 #define __PTHREAD_MUTEX_LOCK_ELISION    0
  37 #define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  1
  38 #define __PTHREAD_MUTEX_USE_UNION          1
  39
  40 #define __LOCK_ALIGNMENT
  41 #define __ONCE_ALIGNMENT
  42
  43 struct __pthread_rwlock_arch_t
  44 {
  45   unsigned int __readers;
  46   unsigned int __writers;
  47   unsigned int __wrphase_futex;
  48   unsigned int __writers_futex;
  49   unsigned int __pad3;
  50   unsigned int __pad4;
  51 #if __BYTE_ORDER == __BIG_ENDIAN
  52   unsigned char __pad1;
  53   unsigned char __pad2;
  54   unsigned char __shared;
  55   /* FLAGS must stay at this position in the structure to maintain
  56      binary compatibility.  */
  57   unsigned char __flags;
  58 #else
  59   /* FLAGS must stay at this position in the structure to maintain
  60      binary compatibility.  */
  61   unsigned char __flags;
  62   unsigned char __shared;
  63   unsigned char __pad1;
  64   unsigned char __pad2;
  65 #endif
  66   unsigned long int __cur_writer;
  67 };
  68
  69 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
  70
  71 #endif  /* bits/pthreadtypes.h */