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annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 2213:8cc552c91cd2
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 26 Aug 2008 17:23:27 +0000 |
parents | c114defa4518 |
children | d620f497c50f |
rev | line source |
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561 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #if (NGX_PTR_SIZE == 4) | |
8 #define NGX_CASA ngx_casa | |
9 #else | |
10 #define NGX_CASA ngx_casxa | |
11 #endif | |
12 | |
13 | |
14 ngx_atomic_uint_t | |
15 ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); | |
16 | |
17 ngx_atomic_uint_t | |
18 ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); | |
19 | |
20 /* the code in src/os/unix/ngx_sunpro_sparc64.il */ | |
21 | |
22 | |
23 static ngx_inline ngx_atomic_uint_t | |
24 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, | |
25 ngx_atomic_uint_t set) | |
26 { | |
1186
c114defa4518
fix atomic operations on sparc64 built by SunPro C
Igor Sysoev <igor@sysoev.ru>
parents:
611
diff
changeset
|
27 set = NGX_CASA(set, old, lock); |
561 | 28 |
29 return (set == old); | |
577 | 30 } |
561 | 31 |
32 | |
33 static ngx_inline ngx_atomic_int_t | |
34 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) | |
35 { | |
36 ngx_atomic_uint_t old, res; | |
37 | |
38 old = *value; | |
39 | |
40 for ( ;; ) { | |
41 | |
42 res = old + add; | |
43 | |
1186
c114defa4518
fix atomic operations on sparc64 built by SunPro C
Igor Sysoev <igor@sysoev.ru>
parents:
611
diff
changeset
|
44 res = NGX_CASA(res, old, value); |
561 | 45 |
46 if (res == old) { | |
47 return res; | |
48 } | |
49 | |
50 old = res; | |
51 } | |
52 } | |
563 | 53 |
54 | |
55 #define ngx_memory_barrier() \ | |
56 __asm (".volatile"); \ | |
57 __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad"); \ | |
58 __asm (".nonvolatile") | |
611 | 59 |
60 #define ngx_cpu_pause() |