blob: e93391a7e87bcef14a0a2a695a698f4261d378ef (
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
|
/* Definitions of user-visible names for spin locks.
Copyright (C) 1994-2019 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_SPIN_LOCK_INLINE_H
#define _BITS_SPIN_LOCK_INLINE_H 1
#include <features.h>
#include <bits/types/__pthread_spinlock_t.h>
#include <lock-intern.h> /* This does all the work. */
__BEGIN_DECLS
#if defined __USE_EXTERN_INLINES || defined _FORCE_INLINES
# ifndef __EBUSY
# include <errno.h>
# define __EBUSY EBUSY
# endif
# ifndef __PT_SPIN_INLINE
# define __PT_SPIN_INLINE __extern_inline
# endif
__PT_SPIN_INLINE int __pthread_spin_destroy (__pthread_spinlock_t *__lock);
__PT_SPIN_INLINE int
__pthread_spin_destroy (__pthread_spinlock_t *__lock)
{
return 0;
}
__PT_SPIN_INLINE int __pthread_spin_init (__pthread_spinlock_t *__lock,
int __pshared);
__PT_SPIN_INLINE int
__pthread_spin_init (__pthread_spinlock_t *__lock, int __pshared)
{
*__lock = __PTHREAD_SPIN_LOCK_INITIALIZER;
return 0;
}
__PT_SPIN_INLINE int __pthread_spin_trylock (__pthread_spinlock_t *__lock);
__PT_SPIN_INLINE int
__pthread_spin_trylock (__pthread_spinlock_t *__lock)
{
return __spin_try_lock ((__spin_lock_t *) __lock) ? 0 : __EBUSY;
}
__PT_SPIN_INLINE int __pthread_spin_lock (__pthread_spinlock_t *__lock);
__PT_SPIN_INLINE int
__pthread_spin_lock (__pthread_spinlock_t *__lock)
{
__spin_lock ((__spin_lock_t *) __lock);
return 0;
}
__PT_SPIN_INLINE int __pthread_spin_unlock (__pthread_spinlock_t *__lock);
__PT_SPIN_INLINE int
__pthread_spin_unlock (__pthread_spinlock_t *__lock)
{
__spin_unlock ((__spin_lock_t *) __lock);
return 0;
}
#endif /* Use extern inlines or force inlines. */
__END_DECLS
#endif /* bits/types/__pthread_spinlock_t.h */
|
