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

   1 /* Machine-specific pthread type layouts.  SPARC version.
   2    Copyright (C) 2003-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 <bits/wordsize.h>
  23
  24 #if __WORDSIZE == 64
  25 # define __SIZEOF_PTHREAD_ATTR_T 56
  26 # define __SIZEOF_PTHREAD_MUTEX_T 40
  27 # define __SIZEOF_PTHREAD_CONDATTR_T 4
  28 # define __SIZEOF_PTHREAD_RWLOCK_T 56
  29 # define __SIZEOF_PTHREAD_BARRIER_T 32
  30 #else
  31 # define __SIZEOF_PTHREAD_ATTR_T 36
  32 # define __SIZEOF_PTHREAD_MUTEX_T 24
  33 # define __SIZEOF_PTHREAD_CONDATTR_T 4
  34 # define __SIZEOF_PTHREAD_RWLOCK_T 32
  35 # define __SIZEOF_PTHREAD_BARRIER_T 20
  36 #endif
  37 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
  38 #define __SIZEOF_PTHREAD_COND_T 48
  39 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
  40 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
  41
  42 /* Definitions for internal mutex struct.  */
  43 #define __PTHREAD_COMPAT_PADDING_MID
  44 #define __PTHREAD_COMPAT_PADDING_END
  45 #define __PTHREAD_MUTEX_LOCK_ELISION    0
  46 #define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
  47 #define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
  48
  49 #define __LOCK_ALIGNMENT
  50 #define __ONCE_ALIGNMENT
  51
  52 struct __pthread_rwlock_arch_t
  53 {
  54   unsigned int __readers;
  55   unsigned int __writers;
  56   unsigned int __wrphase_futex;
  57   unsigned int __writers_futex;
  58   unsigned int __pad3;
  59   unsigned int __pad4;
  60 #if __WORDSIZE == 64
  61   int __cur_writer;
  62   int __shared;
  63   unsigned long int __pad1;
  64   unsigned long int __pad2;
  65   /* FLAGS must stay at this position in the structure to maintain
  66      binary compatibility.  */
  67   unsigned int __flags;
  68 #else
  69   unsigned char __pad1;
  70   unsigned char __pad2;
  71   unsigned char __shared;
  72   /* FLAGS must stay at this position in the structure to maintain
  73      binary compatibility.  */
  74   unsigned char __flags;
  75   int __cur_writer;
  76 #endif
  77 };
  78
  79 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
  80
  81 #endif  /* bits/pthreadtypes.h */