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authorArnd Bergmann <arnd@arndb.de>2009-05-13 18:56:29 -0400
committerArnd Bergmann <arnd@klappe2.(none)>2009-06-11 15:02:17 -0400
commit72099ed2719fc5829bd79c6ca9d1783ed026eb37 (patch)
treed404ded029707e3ae9146431d6b9fa033f99a64e /include/asm-generic/atomic.h
parente64a1617eca39d62b248a11699de9c1195369661 (diff)
asm-generic: rename atomic.h to atomic-long.h
The existing asm-generic/atomic.h only defines the atomic_long type. This renames it to atomic-long.h so we have a place to add a truly generic atomic.h that can be used on all non-SMP systems. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-generic/atomic.h')
-rw-r--r--include/asm-generic/atomic.h258
1 files changed, 0 insertions, 258 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
deleted file mode 100644
index 3673a13b6703..000000000000
--- a/include/asm-generic/atomic.h
+++ /dev/null
@@ -1,258 +0,0 @@
1#ifndef _ASM_GENERIC_ATOMIC_H
2#define _ASM_GENERIC_ATOMIC_H
3/*
4 * Copyright (C) 2005 Silicon Graphics, Inc.
5 * Christoph Lameter
6 *
7 * Allows to provide arch independent atomic definitions without the need to
8 * edit all arch specific atomic.h files.
9 */
10
11#include <asm/types.h>
12
13/*
14 * Suppport for atomic_long_t
15 *
16 * Casts for parameters are avoided for existing atomic functions in order to
17 * avoid issues with cast-as-lval under gcc 4.x and other limitations that the
18 * macros of a platform may have.
19 */
20
21#if BITS_PER_LONG == 64
22
23typedef atomic64_t atomic_long_t;
24
25#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
26
27static inline long atomic_long_read(atomic_long_t *l)
28{
29 atomic64_t *v = (atomic64_t *)l;
30
31 return (long)atomic64_read(v);
32}
33
34static inline void atomic_long_set(atomic_long_t *l, long i)
35{
36 atomic64_t *v = (atomic64_t *)l;
37
38 atomic64_set(v, i);
39}
40
41static inline void atomic_long_inc(atomic_long_t *l)
42{
43 atomic64_t *v = (atomic64_t *)l;
44
45 atomic64_inc(v);
46}
47
48static inline void atomic_long_dec(atomic_long_t *l)
49{
50 atomic64_t *v = (atomic64_t *)l;
51
52 atomic64_dec(v);
53}
54
55static inline void atomic_long_add(long i, atomic_long_t *l)
56{
57 atomic64_t *v = (atomic64_t *)l;
58
59 atomic64_add(i, v);
60}
61
62static inline void atomic_long_sub(long i, atomic_long_t *l)
63{
64 atomic64_t *v = (atomic64_t *)l;
65
66 atomic64_sub(i, v);
67}
68
69static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
70{
71 atomic64_t *v = (atomic64_t *)l;
72
73 return atomic64_sub_and_test(i, v);
74}
75
76static inline int atomic_long_dec_and_test(atomic_long_t *l)
77{
78 atomic64_t *v = (atomic64_t *)l;
79
80 return atomic64_dec_and_test(v);
81}
82
83static inline int atomic_long_inc_and_test(atomic_long_t *l)
84{
85 atomic64_t *v = (atomic64_t *)l;
86
87 return atomic64_inc_and_test(v);
88}
89
90static inline int atomic_long_add_negative(long i, atomic_long_t *l)
91{
92 atomic64_t *v = (atomic64_t *)l;
93
94 return atomic64_add_negative(i, v);
95}
96
97static inline long atomic_long_add_return(long i, atomic_long_t *l)
98{
99 atomic64_t *v = (atomic64_t *)l;
100
101 return (long)atomic64_add_return(i, v);
102}
103
104static inline long atomic_long_sub_return(long i, atomic_long_t *l)
105{
106 atomic64_t *v = (atomic64_t *)l;
107
108 return (long)atomic64_sub_return(i, v);
109}
110
111static inline long atomic_long_inc_return(atomic_long_t *l)
112{
113 atomic64_t *v = (atomic64_t *)l;
114
115 return (long)atomic64_inc_return(v);
116}
117
118static inline long atomic_long_dec_return(atomic_long_t *l)
119{
120 atomic64_t *v = (atomic64_t *)l;
121
122 return (long)atomic64_dec_return(v);
123}
124
125static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
126{
127 atomic64_t *v = (atomic64_t *)l;
128
129 return (long)atomic64_add_unless(v, a, u);
130}
131
132#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))
133
134#define atomic_long_cmpxchg(l, old, new) \
135 (atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
136#define atomic_long_xchg(v, new) \
137 (atomic64_xchg((atomic64_t *)(l), (new)))
138
139#else /* BITS_PER_LONG == 64 */
140
141typedef atomic_t atomic_long_t;
142
143#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
144static inline long atomic_long_read(atomic_long_t *l)
145{
146 atomic_t *v = (atomic_t *)l;
147
148 return (long)atomic_read(v);
149}
150
151static inline void atomic_long_set(atomic_long_t *l, long i)
152{
153 atomic_t *v = (atomic_t *)l;
154
155 atomic_set(v, i);
156}
157
158static inline void atomic_long_inc(atomic_long_t *l)
159{
160 atomic_t *v = (atomic_t *)l;
161
162 atomic_inc(v);
163}
164
165static inline void atomic_long_dec(atomic_long_t *l)
166{
167 atomic_t *v = (atomic_t *)l;
168
169 atomic_dec(v);
170}
171
172static inline void atomic_long_add(long i, atomic_long_t *l)
173{
174 atomic_t *v = (atomic_t *)l;
175
176 atomic_add(i, v);
177}
178
179static inline void atomic_long_sub(long i, atomic_long_t *l)
180{
181 atomic_t *v = (atomic_t *)l;
182
183 atomic_sub(i, v);
184}
185
186static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
187{
188 atomic_t *v = (atomic_t *)l;
189
190 return atomic_sub_and_test(i, v);
191}
192
193static inline int atomic_long_dec_and_test(atomic_long_t *l)
194{
195 atomic_t *v = (atomic_t *)l;
196
197 return atomic_dec_and_test(v);
198}
199
200static inline int atomic_long_inc_and_test(atomic_long_t *l)
201{
202 atomic_t *v = (atomic_t *)l;
203
204 return atomic_inc_and_test(v);
205}
206
207static inline int atomic_long_add_negative(long i, atomic_long_t *l)
208{
209 atomic_t *v = (atomic_t *)l;
210
211 return atomic_add_negative(i, v);
212}
213
214static inline long atomic_long_add_return(long i, atomic_long_t *l)
215{
216 atomic_t *v = (atomic_t *)l;
217
218 return (long)atomic_add_return(i, v);
219}
220
221static inline long atomic_long_sub_return(long i, atomic_long_t *l)
222{
223 atomic_t *v = (atomic_t *)l;
224
225 return (long)atomic_sub_return(i, v);
226}
227
228static inline long atomic_long_inc_return(atomic_long_t *l)
229{
230 atomic_t *v = (atomic_t *)l;
231
232 return (long)atomic_inc_return(v);
233}
234
235static inline long atomic_long_dec_return(atomic_long_t *l)
236{
237 atomic_t *v = (atomic_t *)l;
238
239 return (long)atomic_dec_return(v);
240}
241
242static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
243{
244 atomic_t *v = (atomic_t *)l;
245
246 return (long)atomic_add_unless(v, a, u);
247}
248
249#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l))
250
251#define atomic_long_cmpxchg(l, old, new) \
252 (atomic_cmpxchg((atomic_t *)(l), (old), (new)))
253#define atomic_long_xchg(v, new) \
254 (atomic_xchg((atomic_t *)(v), (new)))
255
256#endif /* BITS_PER_LONG == 64 */
257
258#endif /* _ASM_GENERIC_ATOMIC_H */
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