ports/sysdeps/unix/sysv/linux/ia64/nptl/bits/pthreadtypes.h

   1 /* Copyright (C) 2003-2014 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.  */
  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 typedef union
  78 {
  79   char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
  80   int __align;
  81 } pthread_mutexattr_t;
  82
  83
  84 /* Data structure for conditional variable handling.  The structure of
  85    the attribute type is not exposed on purpose.  */
  86 typedef union
  87 {
  88   struct
  89   {
  90     int __lock;
  91     unsigned int __futex;
  92     __extension__ unsigned long long int __total_seq;
  93     __extension__ unsigned long long int __wakeup_seq;
  94     __extension__ unsigned long long int __woken_seq;
  95     void *__mutex;
  96     unsigned int __nwaiters;
  97     unsigned int __broadcast_seq;
  98   } __data;
  99   char __size[__SIZEOF_PTHREAD_COND_T];
 100   long int __align;
 101 } pthread_cond_t;
 102
 103 typedef union
 104 {
 105   char __size[__SIZEOF_PTHREAD_CONDATTR_T];
 106   int __align;
 107 } pthread_condattr_t;
 108
 109
 110 /* Keys for thread-specific data */
 111 typedef unsigned int pthread_key_t;
 112
 113
 114 /* Once-only execution */
 115 typedef int pthread_once_t;
 116
 117
 118 #if defined __USE_UNIX98 || defined __USE_XOPEN2K
 119 /* Data structure for read-write lock variable handling.  The
 120    structure of the attribute type is not exposed on purpose.  */
 121 typedef union
 122 {
 123   struct
 124   {
 125     int __lock;
 126     unsigned int __nr_readers;
 127     unsigned int __readers_wakeup;
 128     unsigned int __writer_wakeup;
 129     unsigned int __nr_readers_queued;
 130     unsigned int __nr_writers_queued;
 131     int __writer;
 132     int __shared;
 133     unsigned long int __pad1;
 134     unsigned long int __pad2;
 135     /* FLAGS must stay at this position in the structure to maintain
 136        binary compatibility.  */
 137     unsigned int __flags;
 138   } __data;
 139   char __size[__SIZEOF_PTHREAD_RWLOCK_T];
 140   long int __align;
 141 } pthread_rwlock_t;
 142
 143 typedef union
 144 {
 145   char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
 146   long int __align;
 147 } pthread_rwlockattr_t;
 148 #endif
 149
 150
 151 #ifdef __USE_XOPEN2K
 152 /* POSIX spinlock data type.  */
 153 typedef volatile int pthread_spinlock_t;
 154
 155
 156 /* POSIX barriers data type.  The structure of the type is
 157    deliberately not exposed.  */
 158 typedef union
 159 {
 160   char __size[__SIZEOF_PTHREAD_BARRIER_T];
 161   long int __align;
 162 } pthread_barrier_t;
 163
 164 typedef union
 165 {
 166   char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
 167   int __align;
 168 } pthread_barrierattr_t;
 169 #endif
 170
 171
 172 #endif  /* bits/pthreadtypes.h */