Mercurial > hg > nginx
annotate src/core/ngx_spinlock.c @ 479:c52408583801 release-0.1.14
nginx-0.1.14-RELEASE import
*) Feature: the autoconfiguration directives:
--http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
--http-fastcgi-temp-path=PATH
*) Change: the directory name for the temporary files with the client
request body is specified by directive client_body_temp_path, by
default it is <prefix>/client_body_temp.
*) Feature: the ngx_http_fastcgi_module and the directives:
fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
fastcgi_busy_buffers_size, fastcgi_temp_path,
fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
fastcgi_next_upstream, and fastcgi_x_powered_by.
*) Bugfix: the "[alert] zero size buf" error; the bug had appeared in
0.1.3.
*) Change: the URI must be specified after the host name in the
proxy_pass directive.
*) Change: the %3F symbol in the URI was considered as the argument
string start.
*) Feature: the unix domain sockets support in the
ngx_http_proxy_module.
*) Feature: the ssl_engine and ssl_ciphers directives.
Thanks to Sergey Skvortsov for SSL-accelerator.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 18 Jan 2005 13:03:58 +0000 |
parents | 42d11f017717 |
children | 975f62e77f02 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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11 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin) |
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12 { |
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14 #if (NGX_HAVE_ATOMIC_OPS) |
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16 ngx_uint_t tries; |
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18 tries = 0; |
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20 for ( ;; ) { |
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22 if (*lock) { |
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23 if (ngx_ncpu > 1 && tries++ < spin) { |
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24 continue; |
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25 } |
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27 ngx_sched_yield(); |
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29 tries = 0; |
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31 } else { |
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32 if (ngx_atomic_cmp_set(lock, 0, 1)) { |
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33 return; |
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34 } |
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35 } |
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36 } |
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38 #else |
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40 #if (NGX_THREADS) |
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42 #error ngx_spinlock() or ngx_atomic_cmp_set() are not defined ! |
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44 #endif |
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46 #endif |
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48 } |