Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_atomic.h @ 373:018569a8f09c
nginx-0.0.7-2004-06-30-19:30:41 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 30 Jun 2004 15:30:41 +0000 |
parents | src/core/ngx_atomic.h@780e93985b93 |
children | 5cdc4838d4e8 |
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1 #ifndef _NGX_ATOMIC_H_INCLUDED_ |
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2 #define _NGX_ATOMIC_H_INCLUDED_ |
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3 |
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4 |
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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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7 |
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9 #define ngx_atomic_inc(p) InterlockedIncrement((long *) p) |
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10 #define ngx_atomic_dec(p) InterlockedDecrement((long *) p) |
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12 |
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13 #if defined( __WATCOMC__ ) || defined( __BORLANDC__ ) |
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15 #define ngx_atomic_cmp_set(lock, old, set) \ |
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16 (InterlockedCompareExchange((long *) lock, set, old) == old) |
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17 |
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18 #else |
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20 #define ngx_atomic_cmp_set(lock, old, set) \ |
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21 (InterlockedCompareExchange((void **) lock, (void *) set, (void *) old) \ |
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22 == (void *) old) |
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24 #endif |
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27 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin); |
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29 #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1)) |
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30 #define ngx_unlock(lock) *(lock) = 0 |
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33 #endif /* _NGX_ATOMIC_H_INCLUDED_ */ |