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annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 566:5c576ea5dbd9 NGINX_0_8_29

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nginx 0.8.29 *) Change: now the "009" status code is written to an access log for proxied HTTP/0.9 responses. *) Feature: the "addition_types", "charset_types", "gzip_types", "ssi_types", "sub_filter_types", and "xslt_types" directives support an "*" parameter. *) Feature: GCC 4.1+ built-in atomic operations usage. Thanks to W-Mark Kubacki. *) Feature: the --with-libatomic[=DIR] option in the configure. Thanks to W-Mark Kubacki. *) Bugfix: listen unix domain socket had limited access rights. *) Bugfix: cached HTTP/0.9 responses were handled incorrectly. *) Bugfix: regular expression named captures given by "?P<...>" did not work in a "server_name" directive. Thanks to Maxim Dounin.
author Igor Sysoev <http://sysoev.ru>
date Mon, 30 Nov 2009 00:00:00 +0300
parents cba14c1e2a4b
children
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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()