blob: def2d173a8db049db0b24c7ed6c2f1d26ee03038 (
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
|
#ifndef __LINUX_SPINLOCK_TYPES_UP_H
#define __LINUX_SPINLOCK_TYPES_UP_H
#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif
/*
* include/linux/spinlock_types_up.h - spinlock type definitions for UP
*
* portions Copyright 2005, Red Hat, Inc., Ingo Molnar
* Released under the General Public License (GPL).
*/
#ifdef CONFIG_DEBUG_SPINLOCK
typedef struct {
volatile unsigned int slock;
} raw_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED { 1 }
#else
/*
* All gcc 2.95 versions and early versions of 2.96 have a nasty bug
* with empty initializers.
*/
#if (__GNUC__ > 2)
typedef struct { } raw_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED { }
#else
typedef struct { int gcc_is_buggy; } raw_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED (raw_spinlock_t) { 0 }
#endif
#endif
#if (__GNUC__ > 2)
typedef struct {
/* no debug version on UP */
} raw_rwlock_t;
#define __RAW_RW_LOCK_UNLOCKED { }
#else
typedef struct { int gcc_is_buggy; } raw_rwlock_t;
#define __RAW_RW_LOCK_UNLOCKED (raw_rwlock_t) { 0 }
#endif
#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
|
