Mercurial > hg > nginx-quic
annotate auto/init @ 6423:c5f81dcf97a7
Copy filter: fixed sendfile aio handlers to set ctx->aio.
Sendfile handlers (aio preload and thread handler) are called within
ctx->output_filter() in ngx_output_chain(), and hence ctx->aio cannot
be set directly in ngx_output_chain(). Meanwhile, it must be set to
make sure loop within ngx_output_chain() will be properly terminated.
There are no known cases that trigger the problem, though in theory
something like aio + sub filter (something that needs body in memory,
and can also free some memory buffers) + sendfile can result in
"task already active" and "second aio post" alerts.
The fix is to set ctx->aio in ngx_http_copy_aio_sendfile_preload()
and ngx_http_copy_thread_handler().
For consistency, ctx->aio is no longer set explicitly in
ngx_output_chain_copy_buf(), as it's now done in
ngx_http_copy_thread_handler().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 03 Mar 2016 21:14:19 +0300 |
parents | 85dea406e18f |
children | 05c894a598ea |
rev | line source |
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1 |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
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455 | 6 NGX_MAKEFILE=$NGX_OBJS/Makefile |
7 NGX_MODULES_C=$NGX_OBJS/ngx_modules.c | |
6383 | 8 NGX_MODULES= |
455 | 9 |
10 NGX_AUTO_HEADERS_H=$NGX_OBJS/ngx_auto_headers.h | |
11 NGX_AUTO_CONFIG_H=$NGX_OBJS/ngx_auto_config.h | |
12 | |
13 NGX_AUTOTEST=$NGX_OBJS/autotest | |
14 NGX_AUTOCONF_ERR=$NGX_OBJS/autoconf.err | |
15 | |
16 # STUBs | |
469 | 17 NGX_ERR=$NGX_OBJS/autoconf.err |
18 MAKEFILE=$NGX_OBJS/Makefile | |
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19 |
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455 | 21 NGX_PCH= |
22 NGX_USE_PCH= | |
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23 |
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24 |
455 | 25 # check the echo's "-n" option and "\c" capability |
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26 |
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27 if echo "test\c" | grep c >/dev/null; then |
455 | 28 |
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29 if echo -n test | grep n >/dev/null; then |
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30 ngx_n= |
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31 ngx_c= |
455 | 32 |
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33 else |
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34 ngx_n=-n |
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35 ngx_c= |
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36 fi |
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37 |
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38 else |
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39 ngx_n= |
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40 ngx_c='\c' |
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41 fi |
452 | 42 |
43 | |
455 | 44 # create Makefile |
452 | 45 |
455 | 46 cat << END > Makefile |
452 | 47 |
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48 default: build |
452 | 49 |
50 clean: | |
455 | 51 rm -rf Makefile $NGX_OBJS |
452 | 52 END |