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annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 626:a7a5fa2e395b NGINX_1_0_3

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nginx 1.0.3 *) Feature: the "auth_basic_user_file" directive supports "$apr1", "{PLAIN}", and "{SSHA}" password encryption methods. Thanks to Maxim Dounin. *) Feature: the "geoip_org" directive and $geoip_org variable. Thanks to Alexander Uskov, Arnaud Granal, and Denis F. Latypoff. *) Feature: ngx_http_geo_module and ngx_http_geoip_module support IPv4 addresses mapped to IPv6 addresses. *) Bugfix: a segmentation fault occurred in a worker process during testing IPv4 address mapped to IPv6 address, if access or deny rules were defined only for IPv6; the bug had appeared in 0.8.22. *) Bugfix: a cached reponse may be broken if proxy/fastcgi/scgi/ uwsgi_cache_bypass and proxy/fastcgi/scgi/uwsgi_no_cache directive values were different; the bug had appeared in 0.8.46.
author Igor Sysoev <http://sysoev.ru>
date Wed, 25 May 2011 00:00:00 +0400
parents cba14c1e2a4b
children d0f7a625f27c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #if (NGX_PTR_SIZE == 4)
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8 #define NGX_CASA ngx_casa
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9 #else
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10 #define NGX_CASA ngx_casxa
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11 #endif
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14 ngx_atomic_uint_t
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15 ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
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17 ngx_atomic_uint_t
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18 ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
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20 /* the code in src/os/unix/ngx_sunpro_sparc64.il */
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23 static ngx_inline ngx_atomic_uint_t
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24 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
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25 ngx_atomic_uint_t set)
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26 {
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27 set = NGX_CASA(set, old, lock);
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29 return (set == old);
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30 }
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33 static ngx_inline ngx_atomic_int_t
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34 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
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35 {
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36 ngx_atomic_uint_t old, res;
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38 old = *value;
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40 for ( ;; ) {
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42 res = old + add;
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44 res = NGX_CASA(res, old, value);
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46 if (res == old) {
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47 return res;
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48 }
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50 old = res;
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51 }
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52 }
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55 #define ngx_memory_barrier() \
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56 __asm (".volatile"); \
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57 __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad"); \
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58 __asm (".nonvolatile")
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60 #define ngx_cpu_pause()