sysdeps/ia64/nptl/bits/pthreadtypes.h

   1 /* Copyright (C) 2003-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
   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 #define __SIZEOF_PTHREAD_ATTR_T 56
  23 #define __SIZEOF_PTHREAD_MUTEX_T 40
  24 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4
  25 #define __SIZEOF_PTHREAD_COND_T 48
  26 #define __SIZEOF_PTHREAD_CONDATTR_T 4
  27 #define __SIZEOF_PTHREAD_RWLOCK_T 56
  28 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
  29 #define __SIZEOF_PTHREAD_BARRIER_T 32
  30 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
  31
  32
  33 /* Thread identifiers.  The structure of the attribute type is not
  34    exposed on purpose.  */
  35 typedef unsigned long int pthread_t;
  36
  37
  38 union pthread_attr_t
  39 {
  40   char __size[__SIZEOF_PTHREAD_ATTR_T];
  41   long int __align;
  42 };
  43 #ifndef __have_pthread_attr_t
  44 typedef union pthread_attr_t pthread_attr_t;
  45 # define __have_pthread_attr_t  1
  46 #endif
  47
  48
  49 typedef struct __pthread_internal_list
  50 {
  51   struct __pthread_internal_list *__prev;
  52   struct __pthread_internal_list *__next;
  53 } __pthread_list_t;
  54
  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     unsigned int __nusers;
  66     /* KIND must stay at this position in the structure to maintain
  67        binary compatibility with static initializers.  */
  68     int __kind;
  69     int __spins;
  70     __pthread_list_t __list;
  71 #define __PTHREAD_MUTEX_HAVE_PREV       1
  72   } __data;
  73   char __size[__SIZEOF_PTHREAD_MUTEX_T];
  74   long int __align;
  75 } pthread_mutex_t;
  76
  77 /* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER.  */
  78 #define __PTHREAD_SPINS 0
  79
  80 typedef union
  81 {
  82   char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
  83   int __align;
  84 } pthread_mutexattr_t;
  85
  86
  87 /* Data structure for conditional variable handling.  The structure of
  88    the attribute type is not exposed on purpose.  */
  89 typedef union
  90 {
  91   struct
  92   {
  93     __extension__ union
  94     {
  95       __extension__ unsigned long long int __wseq;
  96       struct {
  97         unsigned int __low;
  98         unsigned int __high;
  99       } __wseq32;
 100     };
 101     __extension__ union
 102     {
 103       __extension__ unsigned long long int __g1_start;
 104       struct {
 105         unsigned int __low;
 106         unsigned int __high;
 107       } __g1_start32;
 108     };
 109     unsigned int __g_refs[2];
 110     unsigned int __g_size[2];
 111     unsigned int __g1_orig_size;
 112     unsigned int __wrefs;
 113     unsigned int __g_signals[2];
 114   } __data;
 115   char __size[__SIZEOF_PTHREAD_COND_T];
 116   __extension__ long long int __align;
 117 } pthread_cond_t;
 118
 119 typedef union
 120 {
 121   char __size[__SIZEOF_PTHREAD_CONDATTR_T];
 122   int __align;
 123 } pthread_condattr_t;
 124
 125
 126 /* Keys for thread-specific data */
 127 typedef unsigned int pthread_key_t;
 128
 129
 130 /* Once-only execution */
 131 typedef int pthread_once_t;
 132
 133
 134 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
 135 /* Data structure for read-write lock variable handling.  The
 136    structure of the attribute type is not exposed on purpose.  */
 137 typedef union
 138 {
 139   struct
 140   {
 141     int __lock;
 142     unsigned int __nr_readers;
 143     unsigned int __readers_wakeup;
 144     unsigned int __writer_wakeup;
 145     unsigned int __nr_readers_queued;
 146     unsigned int __nr_writers_queued;
 147     int __writer;
 148     int __shared;
 149     unsigned long int __pad1;
 150     unsigned long int __pad2;
 151     /* FLAGS must stay at this position in the structure to maintain
 152        binary compatibility.  */
 153     unsigned int __flags;
 154   } __data;
 155   char __size[__SIZEOF_PTHREAD_RWLOCK_T];
 156   long int __align;
 157 } pthread_rwlock_t;
 158
 159 #define __PTHREAD_RWLOCK_ELISION_EXTRA 0
 160
 161 typedef union
 162 {
 163   char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
 164   long int __align;
 165 } pthread_rwlockattr_t;
 166 #endif
 167
 168
 169 #ifdef __USE_XOPEN2K
 170 /* POSIX spinlock data type.  */
 171 typedef volatile int pthread_spinlock_t;
 172
 173
 174 /* POSIX barriers data type.  The structure of the type is
 175    deliberately not exposed.  */
 176 typedef union
 177 {
 178   char __size[__SIZEOF_PTHREAD_BARRIER_T];
 179   long int __align;
 180 } pthread_barrier_t;
 181
 182 typedef union
 183 {
 184   char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
 185   int __align;
 186 } pthread_barrierattr_t;
 187 #endif
 188
 189
 190 #endif  /* bits/pthreadtypes.h */