annotate src/os/win32/ngx_atomic.h @ 563:9c2f3ed7a247 release-0.3.3

nginx-0.3.3-RELEASE import *) Change: the "bl" and "af" parameters of the "listen" directive was renamed to the "backlog" and "accept_filter". *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen" directive. *) Change: the "$msec" log parameter does not require now the additional the gettimeofday() system call. *) Feature: the -t switch now tests the "listen" directives. *) Bugfix: if the invalid address was specified in the "listen" directive, then after the -HUP signal nginx left an open socket in the CLOSED state. *) Bugfix: the mime type may be incorrectly set to default value for index file with variable in the name; the bug had appeared in 0.3.0. *) Feature: the "timer_resolution" directive. *) Feature: the millisecond "$upstream_response_time" log parameter. *) Bugfix: a temporary file with client request body now is removed just after the response header was transferred to a client. *) Bugfix: OpenSSL 0.9.6 compatibility. *) Bugfix: the SSL certificate and key file paths could not be relative. *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the ngx_imap_ssl_module. *) Bugfix: the "ssl_protocols" directive allowed to specify the single protocol only.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 19 Oct 2005 12:33:58 +0000
parents e48ebafc6939
children 326634fb9d47
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_ATOMIC_H_INCLUDED_
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8 #define _NGX_ATOMIC_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 #define NGX_HAVE_ATOMIC_OPS 1
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17 typedef int32_t ngx_atomic_int_t;
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18 typedef uint32_t ngx_atomic_uint_t;
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19 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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20 #define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1
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23 #if defined( __WATCOMC__ ) || defined( __BORLANDC__ ) || ( _MSC_VER >= 1300 )
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25 /* the new SDK headers */
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27 #define ngx_atomic_cmp_set(lock, old, set) \
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28 (InterlockedCompareExchange((long *) lock, set, old) == old)
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30 #else
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32 /* the old MS VC6.0SP2 SDK headers */
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34 #define ngx_atomic_cmp_set(lock, old, set) \
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35 (InterlockedCompareExchange((void **) lock, (void *) set, (void *) old) \
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36 == (void *) old)
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38 #endif
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41 #define ngx_atomic_fetch_add(p, add) InterlockedExchangeAdd((long *) p, add)
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44 #define ngx_memory_barrier()
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47 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin);
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49 #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1))
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50 #define ngx_unlock(lock) *(lock) = 0
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53 #endif /* _NGX_ATOMIC_H_INCLUDED_ */