Mercurial > hg > nginx
annotate src/os/unix/ngx_atomic.h @ 561:e48ebafc6939 release-0.3.2
nginx-0.3.2-RELEASE import
*) Feature: the Sun Studio 10 C compiler support.
*) Feature: the "proxy_upstream_max_fails",
"proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
"fastcgi_upstream_fail_timeout" directives.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 12 Oct 2005 13:50:36 +0000 |
| parents | 483cca230603 |
| children | 9c2f3ed7a247 |
| rev | line source |
|---|---|
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
435
diff
changeset
|
1 |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
435
diff
changeset
|
2 /* |
|
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
435
diff
changeset
|
4 */ |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
435
diff
changeset
|
5 |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
435
diff
changeset
|
6 |
|
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #ifndef _NGX_ATOMIC_H_INCLUDED_ |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #define _NGX_ATOMIC_H_INCLUDED_ |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 #include <ngx_config.h> |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
12 #include <ngx_core.h> |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
13 |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
14 |
| 547 | 15 #if ( __i386__ || __i386 ) |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
16 |
| 561 | 17 typedef int32_t ngx_atomic_int_t; |
| 18 typedef uint32_t ngx_atomic_uint_t; | |
| 495 | 19 typedef volatile ngx_atomic_uint_t ngx_atomic_t; |
| 561 | 20 #define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1 |
| 493 | 21 |
| 22 | |
| 561 | 23 #if ( __SUNPRO_C ) |
| 493 | 24 |
| 561 | 25 #define NGX_HAVE_ATOMIC_OPS 1 |
| 493 | 26 |
| 561 | 27 ngx_atomic_uint_t |
| 28 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, | |
| 29 ngx_atomic_uint_t set); | |
| 493 | 30 |
| 561 | 31 ngx_atomic_int_t |
| 32 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); | |
| 493 | 33 |
| 561 | 34 /* the code in src/os/unix/ngx_sunpro_x86.il */ |
| 493 | 35 |
| 36 | |
| 561 | 37 #else /* ( __GNUC__ || __INTEL_COMPILER ) */ |
| 38 | |
| 39 #define NGX_HAVE_ATOMIC_OPS 1 | |
| 493 | 40 |
| 561 | 41 #include "ngx_gcc_atomic_x86.h" |
| 493 | 42 |
| 561 | 43 #endif |
| 493 | 44 |
| 45 | |
| 547 | 46 #elif ( __amd64__ || __amd64 ) |
| 493 | 47 |
| 561 | 48 typedef int64_t ngx_atomic_int_t; |
| 49 typedef uint64_t ngx_atomic_uint_t; | |
| 495 | 50 typedef volatile ngx_atomic_uint_t ngx_atomic_t; |
| 561 | 51 #define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1 |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
52 |
|
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
53 |
| 561 | 54 #if ( __SUNPRO_C ) |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
55 |
| 561 | 56 #define NGX_HAVE_ATOMIC_OPS 1 |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
57 |
| 561 | 58 ngx_atomic_uint_t |
| 59 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, | |
| 60 ngx_atomic_uint_t set); | |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
61 |
| 561 | 62 ngx_atomic_int_t |
| 63 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); | |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
64 |
| 561 | 65 /* the code in src/os/unix/ngx_sunpro_amd64.il */ |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
66 |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
67 |
| 561 | 68 #else /* ( __GNUC__ || __INTEL_COMPILER ) */ |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
69 |
| 561 | 70 #define NGX_HAVE_ATOMIC_OPS 1 |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
71 |
| 561 | 72 #include "ngx_gcc_atomic_amd64.h" |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
73 |
| 561 | 74 #endif |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
75 |
|
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
76 |
| 547 | 77 #elif ( __sparc__ || __sparcv9 ) |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
78 |
| 561 | 79 #if (NGX_PTR_SIZE == 8) |
| 80 | |
| 81 typedef int64_t ngx_atomic_int_t; | |
| 82 typedef uint64_t ngx_atomic_uint_t; | |
| 83 #define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1 | |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
84 |
| 493 | 85 #else |
| 561 | 86 |
| 87 typedef int32_t ngx_atomic_int_t; | |
| 88 typedef uint32_t ngx_atomic_uint_t; | |
| 89 #define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1 | |
| 90 | |
| 493 | 91 #endif |
| 92 | |
| 495 | 93 typedef volatile ngx_atomic_uint_t ngx_atomic_t; |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
94 |
|
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
95 |
| 561 | 96 #if ( __SUNPRO_C ) |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
97 |
| 561 | 98 #define NGX_HAVE_ATOMIC_OPS 1 |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
99 |
| 561 | 100 #include "ngx_sunpro_atomic_sparc64.h" |
| 493 | 101 |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
102 |
| 561 | 103 #else /* ( __GNUC__ || __INTEL_COMPILER ) */ |
| 493 | 104 |
| 561 | 105 #define NGX_HAVE_ATOMIC_OPS 1 |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
106 |
| 561 | 107 #include "ngx_gcc_atomic_sparc64.h" |
|
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
373
diff
changeset
|
108 |
| 561 | 109 #endif |
| 493 | 110 |
| 111 | |
| 525 | 112 #elif ( __ppc__ || __powerpc__ ) |
| 493 | 113 |
| 114 #define NGX_HAVE_ATOMIC_OPS 1 | |
| 115 | |
| 116 #if (NGX_PTR_SIZE == 8) | |
| 561 | 117 |
| 118 typedef int64_t ngx_atomic_int_t; | |
| 119 typedef uint64_t ngx_atomic_uint_t; | |
| 120 #define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1 | |
| 121 | |
| 493 | 122 #else |
| 561 | 123 |
| 124 typedef int32_t ngx_atomic_int_t; | |
| 125 typedef uint32_t ngx_atomic_uint_t; | |
| 126 #define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1 | |
| 127 | |
| 493 | 128 #endif |
| 129 | |
| 495 | 130 typedef volatile ngx_atomic_uint_t ngx_atomic_t; |
| 493 | 131 |
| 132 | |
| 561 | 133 #include "ngx_gcc_atomic_ppc.h" |
| 493 | 134 |
| 135 | |
| 561 | 136 #endif |
| 493 | 137 |
| 138 | |
| 561 | 139 #if !(NGX_HAVE_ATOMIC_OPS) |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
140 |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
141 #define NGX_HAVE_ATOMIC_OPS 0 |
|
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
142 |
| 561 | 143 typedef int32_t ngx_atomic_int_t; |
| 144 typedef uint32_t ngx_atomic_uint_t; | |
| 495 | 145 typedef volatile ngx_atomic_uint_t ngx_atomic_t; |
| 561 | 146 #define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1 |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
147 |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
148 |
| 495 | 149 static ngx_inline ngx_atomic_uint_t |
| 150 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, | |
| 151 ngx_atomic_uint_t set) | |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
152 { |
| 561 | 153 if (*lock == old { |
| 154 *lock = set; | |
| 155 return 1; | |
| 156 } | |
| 157 | |
| 158 return 0; | |
| 159 } | |
| 160 | |
| 161 | |
| 162 static ngx_inline ngx_atomic_int_t | |
| 163 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) | |
| 164 { | |
| 165 ngx_atomic_int_t old; | |
| 166 | |
| 167 old = *value; | |
| 168 *value += add; | |
| 169 | |
| 170 return old; | |
|
435
5cdc4838d4e8
nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
171 } |
|
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
172 |
|
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
173 #endif |
|
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
|
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 |
|
373
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
176 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin); |
|
018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
177 |
|
371
780e93985b93
nginx-0.0.7-2004-06-28-20:05:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
178 #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1)) |
|
780e93985b93
nginx-0.0.7-2004-06-28-20:05:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
179 #define ngx_unlock(lock) *(lock) = 0 |
|
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
180 |
|
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
181 |
|
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 #endif /* _NGX_ATOMIC_H_INCLUDED_ */ |