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annotate src/os/unix/ngx_sunpro_atomic_sparc64.h @ 660:d0f7a625f27c NGINX_1_1_14

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nginx 1.1.14 *) Feature: multiple "limit_req" limits may be used simultaneously. *) Bugfix: in error handling while connecting to a backend. Thanks to Piotr Sikora. *) Bugfix: in AIO error handling on FreeBSD. *) Bugfix: in the OpenSSL library initialization. *) Bugfix: the "proxy_redirect" directives might not be correctly inherited. *) Bugfix: memory leak during reconfiguration if the "pcre_jit" directive was used.
author Igor Sysoev <http://sysoev.ru>
date Mon, 30 Jan 2012 00:00:00 +0400
parents cba14c1e2a4b
children
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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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dad2fe8ecf08 nginx 0.3.2
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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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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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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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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()