ports/sysdeps/unix/sysv/linux/microblaze/nptl/bits/pthreadtypes.h

   1 /* Copyright (C) 2002-2013 Free Software Foundation, Inc.
   2
   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_H
  20 # define _BITS_PTHREADTYPES_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_COND_COMPAT_T  12
  29 # define __SIZEOF_PTHREAD_CONDATTR_T      4
  30 # define __SIZEOF_PTHREAD_RWLOCK_T       32
  31 # define __SIZEOF_PTHREAD_RWLOCKATTR_T    8
  32 # define __SIZEOF_PTHREAD_BARRIER_T      20
  33 # define __SIZEOF_PTHREAD_BARRIERATTR_T   4
  34
  35
  36 /* Thread identifiers.  The structure of the attribute type is not
  37    exposed on purpose.  */
  38 typedef unsigned long int pthread_t;
  39
  40 union pthread_attr_t
  41 {
  42   char __size[__SIZEOF_PTHREAD_ATTR_T];
  43   long int __align;
  44 };
  45
  46 # ifndef __have_pthread_attr_t
  47 typedef union pthread_attr_t pthread_attr_t;
  48 #  define __have_pthread_attr_t 1
  49 # endif
  50
  51 typedef struct __pthread_internal_slist
  52 {
  53   struct __pthread_internal_slist *__next;
  54 } __pthread_slist_t;
  55
  56 /* Data structures for mutex handling.  The structure of the attribute
  57    type is not exposed on purpose.  */
  58 typedef union
  59 {
  60   struct __pthread_mutex_s
  61   {
  62     int __lock;
  63     unsigned int __count;
  64     int __owner;
  65     /* KIND must stay at this position in the structure to maintain
  66        binary compatibility.  */
  67     int __kind;
  68     unsigned int __nusers;
  69     __extension__ union
  70     {
  71       int __spins;
  72       __pthread_slist_t __list;
  73     };
  74   } __data;
  75   char __size[__SIZEOF_PTHREAD_MUTEX_T];
  76   long int __align;
  77 } pthread_mutex_t;
  78
  79 typedef union
  80 {
  81   char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
  82   int __align;
  83 } pthread_mutexattr_t;
  84
  85 /* Data structure for conditional variable handling.  The structure of
  86    the attribute type is not exposed on purpose.  */
  87 typedef union
  88 {
  89   struct
  90   {
  91     int __lock;
  92     unsigned int __futex;
  93     __extension__ unsigned long long int __total_seq;
  94     __extension__ unsigned long long int __wakeup_seq;
  95     __extension__ unsigned long long int __woken_seq;
  96     void *__mutex;
  97     unsigned int __nwaiters;
  98     unsigned int __broadcast_seq;
  99   } __data;
 100   char __size[__SIZEOF_PTHREAD_COND_T];
 101   __extension__ long long int __align;
 102 } pthread_cond_t;
 103
 104 typedef union
 105 {
 106   char __size[__SIZEOF_PTHREAD_CONDATTR_T];
 107   int __align;
 108 } pthread_condattr_t;
 109
 110 /* Keys for thread-specific data.  */
 111 typedef unsigned int pthread_key_t;
 112
 113 /* Once-only execution.  */
 114 typedef int pthread_once_t;
 115
 116 # if defined __USE_UNIX98 || defined __USE_XOPEN2K
 117 /* Data structure for read-write lock variable handling.  The
 118    structure of the attribute type is not exposed on purpose.  */
 119 typedef union
 120 {
 121   struct
 122   {
 123     int __lock;
 124     unsigned int __nr_readers;
 125     unsigned int __readers_wakeup;
 126     unsigned int __writer_wakeup;
 127     unsigned int __nr_readers_queued;
 128     unsigned int __nr_writers_queued;
 129 #  if __BYTE_ORDER == __BIG_ENDIAN
 130     unsigned char __pad1;
 131     unsigned char __pad2;
 132     unsigned char __shared;
 133     /* FLAGS must stay at this position in the structure to maintain
 134        binary compatibility.  */
 135     unsigned char __flags;
 136 #  else
 137     /* FLAGS must stay at this position in the structure to maintain
 138        binary compatibility.  */
 139     unsigned char __flags;
 140     unsigned char __shared;
 141     unsigned char __pad1;
 142     unsigned char __pad2;
 143 #  endif
 144     int __writer;
 145   } __data;
 146   char __size[__SIZEOF_PTHREAD_RWLOCK_T];
 147   long int __align;
 148 } pthread_rwlock_t;
 149
 150 typedef union
 151 {
 152   char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
 153   long int __align;
 154 } pthread_rwlockattr_t;
 155 # endif
 156
 157 # ifdef __USE_XOPEN2K
 158 /* POSIX spinlock data type.  */
 159 typedef volatile int pthread_spinlock_t;
 160
 161 /* POSIX barriers data type.  The structure of the type is
 162    deliberately not exposed.  */
 163 typedef union
 164 {
 165   char __size[__SIZEOF_PTHREAD_BARRIER_T];
 166   long int __align;
 167 } pthread_barrier_t;
 168
 169 typedef union
 170 {
 171   char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
 172   int __align;
 173 } pthread_barrierattr_t;
 174 # endif
 175
 176 #endif  /* bits/pthreadtypes.h.  */