annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 577:4d9ea73a627a release-0.3.10

nginx-0.3.10-RELEASE import *) Change: the "valid_referers" directive and the "$invalid_referer" variable were moved to the new ngx_http_referer_module from the ngx_http_rewrite_module. *) Change: the "$apache_bytes_sent" variable name was changed to "$body_bytes_sent". *) Feature: the "$sent_http_..." variables. *) Feature: the "if" directive supports the "=" and "!=" operations. *) Feature: the "proxy_pass" directive supports the HTTPS protocol. *) Feature: the "proxy_set_body" directive. *) Feature: the "post_action" directive. *) Feature: the ngx_http_empty_gif_module. *) Feature: the "worker_cpu_affinity" directive for Linux. *) Bugfix: the "rewrite" directive did not unescape URI part in redirect, now it is unescaped except the %00-%25 and %7F-%FF characters. *) Bugfix: nginx could not be built by the icc 9.0 compiler. *) Bugfix: if the SSI was enabled for zero size static file, then the chunked response was encoded incorrectly.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 15 Nov 2005 13:30:52 +0000
parents 9c2f3ed7a247
children 3f8a2132b93d
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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 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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39
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40 for ( ;; ) {
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42 res = old + add;
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44 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")