annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 676:bfa81a0490a2 NGINX_1_3_1

nginx 1.3.1 *) Security: now nginx/Windows ignores trailing dot in URI path component, and does not allow URIs with ":$" in it. Thanks to Vladimir Kochetkov, Positive Research Center. *) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass" directives, and the "server" directive inside the "upstream" block, now support IPv6 addresses. *) Feature: the "resolver" directive now support IPv6 addresses and an optional port specification. *) Feature: the "least_conn" directive inside the "upstream" block. *) Feature: it is now possible to specify a weight for servers while using the "ip_hash" directive. *) Bugfix: a segmentation fault might occur in a worker process if the "image_filter" directive was used; the bug had appeared in 1.3.0. *) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug had appeared in 1.1.12. *) Bugfix: access to variables from SSI and embedded perl module might not work after reconfiguration. Thanks to Yichun Zhang. *) Bugfix: in the ngx_http_xslt_filter_module. Thanks to Kuramoto Eiji. *) Bugfix: memory leak if $geoip_org variable was used. Thanks to Denis F. Latypoff. *) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path" directives.
author Igor Sysoev <http://sysoev.ru>
date Tue, 05 Jun 2012 00:00:00 +0400
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #if (NGX_PTR_SIZE == 4)
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9 #define NGX_CASA ngx_casa
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10 #else
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11 #define NGX_CASA ngx_casxa
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12 #endif
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15 ngx_atomic_uint_t
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16 ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
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dad2fe8ecf08 nginx 0.3.2
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18 ngx_atomic_uint_t
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19 ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock);
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dad2fe8ecf08 nginx 0.3.2
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21 /* the code in src/os/unix/ngx_sunpro_sparc64.il */
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dad2fe8ecf08 nginx 0.3.2
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dad2fe8ecf08 nginx 0.3.2
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24 static ngx_inline ngx_atomic_uint_t
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25 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
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26 ngx_atomic_uint_t set)
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27 {
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28 set = NGX_CASA(set, old, lock);
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30 return (set == old);
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31 }
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dad2fe8ecf08 nginx 0.3.2
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34 static ngx_inline ngx_atomic_int_t
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35 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
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36 {
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37 ngx_atomic_uint_t old, res;
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39 old = *value;
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41 for ( ;; ) {
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43 res = old + add;
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45 res = NGX_CASA(res, old, value);
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47 if (res == old) {
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48 return res;
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49 }
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51 old = res;
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52 }
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53 }
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56 #define ngx_memory_barrier() \
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57 __asm (".volatile"); \
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58 __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad"); \
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59 __asm (".nonvolatile")
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61 #define ngx_cpu_pause()