Root/
1 | #ifndef __LINUX_SPINLOCK_TYPES_H |
2 | #define __LINUX_SPINLOCK_TYPES_H |
3 | |
4 | /* |
5 | * include/linux/spinlock_types.h - generic spinlock type definitions |
6 | * and initializers |
7 | * |
8 | * portions Copyright 2005, Red Hat, Inc., Ingo Molnar |
9 | * Released under the General Public License (GPL). |
10 | */ |
11 | |
12 | #if defined(CONFIG_SMP) |
13 | # include <asm/spinlock_types.h> |
14 | #else |
15 | # include <linux/spinlock_types_up.h> |
16 | #endif |
17 | |
18 | #include <linux/lockdep.h> |
19 | |
20 | typedef struct raw_spinlock { |
21 | arch_spinlock_t raw_lock; |
22 | #ifdef CONFIG_GENERIC_LOCKBREAK |
23 | unsigned int break_lock; |
24 | #endif |
25 | #ifdef CONFIG_DEBUG_SPINLOCK |
26 | unsigned int magic, owner_cpu; |
27 | void *owner; |
28 | #endif |
29 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
30 | struct lockdep_map dep_map; |
31 | #endif |
32 | } raw_spinlock_t; |
33 | |
34 | #define SPINLOCK_MAGIC 0xdead4ead |
35 | |
36 | #define SPINLOCK_OWNER_INIT ((void *)-1L) |
37 | |
38 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
39 | # define SPIN_DEP_MAP_INIT(lockname) .dep_map = { .name = #lockname } |
40 | #else |
41 | # define SPIN_DEP_MAP_INIT(lockname) |
42 | #endif |
43 | |
44 | #ifdef CONFIG_DEBUG_SPINLOCK |
45 | # define SPIN_DEBUG_INIT(lockname) \ |
46 | .magic = SPINLOCK_MAGIC, \ |
47 | .owner_cpu = -1, \ |
48 | .owner = SPINLOCK_OWNER_INIT, |
49 | #else |
50 | # define SPIN_DEBUG_INIT(lockname) |
51 | #endif |
52 | |
53 | #define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ |
54 | { \ |
55 | .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ |
56 | SPIN_DEBUG_INIT(lockname) \ |
57 | SPIN_DEP_MAP_INIT(lockname) } |
58 | |
59 | #define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ |
60 | (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) |
61 | |
62 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) |
63 | |
64 | typedef struct spinlock { |
65 | union { |
66 | struct raw_spinlock rlock; |
67 | |
68 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
69 | # define LOCK_PADSIZE (offsetof(struct raw_spinlock, dep_map)) |
70 | struct { |
71 | u8 __padding[LOCK_PADSIZE]; |
72 | struct lockdep_map dep_map; |
73 | }; |
74 | #endif |
75 | }; |
76 | } spinlock_t; |
77 | |
78 | #define __SPIN_LOCK_INITIALIZER(lockname) \ |
79 | { { .rlock = __RAW_SPIN_LOCK_INITIALIZER(lockname) } } |
80 | |
81 | #define __SPIN_LOCK_UNLOCKED(lockname) \ |
82 | (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname) |
83 | |
84 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) |
85 | |
86 | #include <linux/rwlock_types.h> |
87 | |
88 | #endif /* __LINUX_SPINLOCK_TYPES_H */ |
89 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9