Mercurial > hg > nginx-quic
annotate src/core/ngx_spinlock.c @ 483:621229427cba release-0.1.16
nginx-0.1.16-RELEASE import
*) Bugfix: if the response were transferred by chunks, then on the HEAD
request the final chunk was issued.
*) Bugfix: the "Connection: keep-alive" header were issued, even if the
keepalive_timeout directive forbade the keep-alive use.
*) Bugfix: the errors in the ngx_http_fastcgi_module caused the
segmentation faults.
*) Bugfix: the compressed response encrypted by SSL may not transferred
complete.
*) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK
options, are not used for the unix domain sockets.
*) Feature: the rewrite directive supports the arguments rewriting.
*) Bugfix: the response code 400 was returned for the POST request with
the "Content-Length: 0" header; the bug had appeared in 0.1.14.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 25 Jan 2005 12:27:35 +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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19 |
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20 for ( ;; ) { |
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21 |
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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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30 |
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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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37 |
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38 #else |
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40 #if (NGX_THREADS) |
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41 |
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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 } |