Mercurial > hg > nginx-quic
annotate src/core/ngx_atomic.h @ 334:af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 12 May 2004 05:37:55 +0000 |
parents | 1526e7686b20 |
children | 54f76b0b8dca |
rev | line source |
---|---|
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1 #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
|
2 #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
|
3 |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
4 |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
5 #include <ngx_config.h> |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 #include <ngx_core.h> |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
9 #if ( __i386__ || __amd64__ ) |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
10 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
11 typedef volatile uint32_t ngx_atomic_t; |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
12 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
13 #if (NGX_SMP) |
300
502b03d9d2a3
nginx-0.0.3-2004-03-31-00:31:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
299
diff
changeset
|
14 #define NGX_SMP_LOCK "lock;" |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
15 #else |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
16 #define NGX_SMP_LOCK |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
17 #endif |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
18 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
19 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
20 static ngx_inline uint32_t ngx_atomic_inc(ngx_atomic_t *value) |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
21 { |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
22 uint32_t old; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
23 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
24 __asm__ volatile ( |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
25 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
26 NGX_SMP_LOCK |
300
502b03d9d2a3
nginx-0.0.3-2004-03-31-00:31:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
299
diff
changeset
|
27 " xaddl %0, %2; " |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
28 " incl %0; " |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
29 |
300
502b03d9d2a3
nginx-0.0.3-2004-03-31-00:31:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
299
diff
changeset
|
30 : "=q" (old) : "0" (1), "m" (*value)); |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
31 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
32 return old; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
33 } |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
34 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
35 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
36 static ngx_inline uint32_t ngx_atomic_dec(ngx_atomic_t *value) |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
37 { |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
38 uint32_t old; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
39 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
40 __asm__ volatile ( |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
41 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
42 NGX_SMP_LOCK |
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
43 " xaddl %0, %1; " |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
44 " decl %0; " |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
45 |
300
502b03d9d2a3
nginx-0.0.3-2004-03-31-00:31:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
299
diff
changeset
|
46 : "=q" (old) : "0" (-1), "m" (*value)); |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
47 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
48 return old; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
49 } |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
50 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
51 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
52 static ngx_inline uint32_t ngx_atomic_cmp_set(ngx_atomic_t *lock, |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
53 ngx_atomic_t old, |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
54 ngx_atomic_t set) |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
55 { |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
56 uint32_t res; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
57 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
58 __asm__ volatile ( |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
59 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
60 NGX_SMP_LOCK |
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
61 " cmpxchgl %3, %1; " |
272
d4e65d74db9f
nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
267
diff
changeset
|
62 " setz %%al; " |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
63 " movzbl %%al, %0; " |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
64 |
298
4a3f18406832
nginx-0.0.3-2004-03-30-10:27:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
65 : "=a" (res) : "m" (*lock), "a" (old), "q" (set)); |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
66 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
67 return res; |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
68 } |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
69 |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
70 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
71 #elif (WIN32) |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
72 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
73 #define ngx_atomic_inc(p) InterlockedIncrement((long *) p) |
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
74 #define ngx_atomic_dec(p) InterlockedDecrement((long *) p) |
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
75 /* STUB */ |
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
76 #define ngx_atomic_cmp_set(lock, old, set) 1 |
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
77 #if 0 |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
78 #define ngx_atomic_cmp_set(lock, old, set) \ |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
79 InterlockedCompareExchange(lock, set, old) |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
80 #endif |
301
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
81 |
744965ec6275
nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
300
diff
changeset
|
82 |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
83 #else |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
84 |
267
83205e0b5522
nginx-0.0.2-2004-02-24-20:31:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
85 typedef volatile uint32_t ngx_atomic_t; |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
86 |
213
f536f91e8e99
nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
87 /* STUB */ |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
272
diff
changeset
|
88 #define ngx_atomic_inc(x) (*(x))++; |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
272
diff
changeset
|
89 #define ngx_atomic_dec(x) (*(x))--; |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
301
diff
changeset
|
90 #define ngx_atomic_cmp_set(lock, old, set) 1 |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
91 /**/ |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
92 |
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
213
diff
changeset
|
93 #endif |
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
94 |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
95 |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
96 #endif /* _NGX_ATOMIC_H_INCLUDED_ */ |