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view src/os/win32/ngx_atomic.h @ 383:c05876036128
nginx-0.0.7-2004-07-08-19:17:47 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 08 Jul 2004 15:17:47 +0000 |
parents | 018569a8f09c |
children | 5cdc4838d4e8 |
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#ifndef _NGX_ATOMIC_H_INCLUDED_ #define _NGX_ATOMIC_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #define ngx_atomic_inc(p) InterlockedIncrement((long *) p) #define ngx_atomic_dec(p) InterlockedDecrement((long *) p) #if defined( __WATCOMC__ ) || defined( __BORLANDC__ ) #define ngx_atomic_cmp_set(lock, old, set) \ (InterlockedCompareExchange((long *) lock, set, old) == old) #else #define ngx_atomic_cmp_set(lock, old, set) \ (InterlockedCompareExchange((void **) lock, (void *) set, (void *) old) \ == (void *) old) #endif void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin); #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1)) #define ngx_unlock(lock) *(lock) = 0 #endif /* _NGX_ATOMIC_H_INCLUDED_ */