blob: 9af995716e93a131afea02599dadef9a36ec2501 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Copyright (C) 2005-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
/* Linuxthread type sizes (bytes):
sizeof(pthread_attr_t) = 0x24 (36)
sizeof(pthread_barrier_t) = 0x30 (48)
sizeof(pthread_barrierattr_t) = 0x4 (4)
sizeof(pthread_cond_t) = 0x30 (48)
sizeof(pthread_condattr_t) = 0x4 (4)
sizeof(pthread_mutex_t) = 0x30 (48)
sizeof(pthread_mutexattr_t) = 0x4 (4)
sizeof(pthread_rwlock_t) = 0x40 (64)
sizeof(pthread_rwlockattr_t) = 0x8 (8)
sizeof(pthread_spinlock_t) = 0x10 (16) */
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 48
#define __SIZEOF_PTHREAD_BARRIER_T 48
#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
#define __SIZEOF_PTHREAD_COND_T 48
#define __SIZEOF_PTHREAD_CONDATTR_T 4
#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
#define __SIZEOF_PTHREAD_RWLOCK_T 64
#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
/* The old 4-word 16-byte aligned lock. This is initalized
to all ones by the Linuxthreads PTHREAD_MUTEX_INITIALIZER.
Unused in NPTL. */
#define __PTHREAD_COMPAT_PADDING_MID int __compat_padding[4];
/* Two more words are left before the NPTL
pthread_mutex_t is larger than Linuxthreads. */
#define __PTHREAD_COMPAT_PADDING_END int __reserved[2];
#define __PTHREAD_MUTEX_LOCK_ELISION 0
#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND 1
#define __PTHREAD_MUTEX_USE_UNION 1
#define __LOCK_ALIGNMENT __attribute__ ((__aligned__(16)))
#define __ONCE_ALIGNMENT
struct __pthread_rwlock_arch_t
{
/* In the old Linuxthreads pthread_rwlock_t, this is the
start of the 4-word 16-byte aligned lock structure. The
next four words are all set to 1 by the Linuxthreads
PTHREAD_RWLOCK_INITIALIZER. We ignore them in NPTL. */
int __compat_padding[4] __attribute__ ((__aligned__(16)));
unsigned int __readers;
unsigned int __writers;
unsigned int __wrphase_futex;
unsigned int __writers_futex;
unsigned int __pad3;
unsigned int __pad4;
int __cur_writer;
/* An unused word, reserved for future use. It was added
to maintain the location of the flags from the Linuxthreads
layout of this structure. */
int __reserved1;
/* FLAGS must stay at this position in the structure to maintain
binary compatibility. */
unsigned char __pad2;
unsigned char __pad1;
unsigned char __shared;
unsigned char __flags;
/* The NPTL pthread_rwlock_t is 4 words smaller than the
Linuxthreads version. One word is in the middle of the
structure, the other three are at the end. */
int __reserved2;
int __reserved3;
int __reserved4;
};
#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
#endif /* bits/pthreadtypes.h */
|
