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

   1 /* Copyright (C) 2003 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _BITS_PTHREADTYPES_H
  21 #define _BITS_PTHREADTYPES_H    1
  22
  23 #define __SIZEOF_PTHREAD_ATTR_T 56
  24 #define __SIZEOF_PTHREAD_MUTEX_T 40
  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 56
  29 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
  30 #define __SIZEOF_PTHREAD_BARRIER_T 32
  31 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4
  32
  33
  34 /* Thread identifiers.  The structure of the attribute type is not
  35    exposed on purpose.  */
  36 typedef struct __opaque_pthread *pthread_t;
  37
  38
  39 typedef union
  40 {
  41   char __size[__SIZEOF_PTHREAD_ATTR_T];
  42   long int __align;
  43 } pthread_attr_t;
  44
  45
  46 /* Data structures for mutex handling.  The structure of the attribute
  47    type is not exposed on purpose.  */
  48 typedef union
  49 {
  50   struct
  51   {
  52     int __lock;
  53     unsigned int __count;
  54     struct pthread *__owner;
  55     /* KIND must stay at this position in the structure to maintain
  56        binary compatibility.  */
  57     int __kind;
  58   } __data;
  59   char __size[__SIZEOF_PTHREAD_MUTEX_T];
  60   long int __align;
  61 } pthread_mutex_t;
  62
  63 typedef union
  64 {
  65   char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
  66   long int __align;
  67 } pthread_mutexattr_t;
  68
  69
  70 /* Data structure for conditional variable handling.  The structure of
  71    the attribute type is not exposed on purpose.  */
  72 typedef union
  73 {
  74   struct
  75   {
  76     int __lock;
  77     unsigned long long int __total_seq;
  78     unsigned long long int __wakeup_seq;
  79     unsigned long long int __woken_seq;
  80   } __data;
  81   char __size[__SIZEOF_PTHREAD_COND_T];
  82   long int __align;
  83 } pthread_cond_t;
  84
  85 typedef union
  86 {
  87   char __size[__SIZEOF_PTHREAD_CONDATTR_T];
  88   long int __align;
  89 } pthread_condattr_t;
  90
  91
  92 /* Keys for thread-specific data */
  93 typedef unsigned int pthread_key_t;
  94
  95
  96 /* Once-only execution */
  97 typedef int pthread_once_t;
  98
  99
 100 #ifdef __USE_UNIX98
 101 /* Data structure for read-write lock variable handling.  The
 102    structure of the attribute type is not exposed on purpose.  */
 103 typedef union
 104 {
 105 struct
 106   {
 107     int __lock;
 108     unsigned int __nr_readers;
 109     unsigned int __readers_wakeup;
 110     unsigned int __writer_wakeup;
 111     unsigned int __nr_readers_queued;
 112     unsigned int __nr_writers_queued;
 113     pthread_t __writer;
 114     unsigned long int __pad1;
 115     unsigned long int __pad2;
 116     /* FLAGS must stay at this position in the structure to maintain
 117        binary compatibility.  */
 118     unsigned int __flags;
 119   } __data;
 120   char __size[__SIZEOF_PTHREAD_RWLOCK_T];
 121   long int __align;
 122 } pthread_rwlock_t;
 123
 124 typedef union
 125 {
 126   char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
 127   long int __align;
 128 } pthread_rwlockattr_t;
 129 #endif
 130
 131
 132 #ifdef __USE_XOPEN2K
 133 /* POSIX spinlock data type.  */
 134 typedef volatile int pthread_spinlock_t;
 135
 136
 137 /* POSIX barriers data type.  The structure of the type is
 138    deliberately not exposed.  */
 139 typedef union
 140 {
 141   char __size[__SIZEOF_PTHREAD_BARRIER_T];
 142   long int __align;
 143 } pthread_barrier_t;
 144
 145 typedef union
 146 {
 147   char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
 148   int __align;
 149 } pthread_barrierattr_t;
 150 #endif
 151
 152
 153 #endif  /* bits/pthreadtypes.h */