Mercurial > hg > nginx-quic
annotate auto/init @ 4908:826ca1b53376 stable-1.2
Merge of r4896: event pipe: fixed handling of buf_to_file data.
Input filter might free a buffer if there is no data in it, and in case
of first buffer (used for cache header and request header, aka p->buf_to_file)
this resulted in cache corruption. Buffer memory was reused to read upstream
response before headers were written to disk.
Fix is to avoid moving pointers in ngx_event_pipe_add_free_buf() to a buffer
start if we were asked to free a buffer used by p->buf_to_file.
This fixes occasional cache file corruption, usually resulted
in "cache file ... has md5 collision" alerts.
Reported by Anatoli Marinov.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 13 Nov 2012 11:24:14 +0000 |
parents | d620f497c50f |
children | 85dea406e18f |
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 | |
8 | |
9 NGX_AUTO_HEADERS_H=$NGX_OBJS/ngx_auto_headers.h | |
10 NGX_AUTO_CONFIG_H=$NGX_OBJS/ngx_auto_config.h | |
11 | |
12 NGX_AUTOTEST=$NGX_OBJS/autotest | |
13 NGX_AUTOCONF_ERR=$NGX_OBJS/autoconf.err | |
14 | |
15 # STUBs | |
469 | 16 NGX_ERR=$NGX_OBJS/autoconf.err |
17 MAKEFILE=$NGX_OBJS/Makefile | |
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455 | 20 NGX_PCH= |
21 NGX_USE_PCH= | |
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22 |
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23 |
455 | 24 # check the echo's "-n" option and "\c" capability |
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25 |
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26 if echo "test\c" | grep c >/dev/null; then |
455 | 27 |
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28 if echo -n test | grep n >/dev/null; then |
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29 ngx_n= |
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30 ngx_c= |
455 | 31 |
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32 else |
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33 ngx_n=-n |
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34 ngx_c= |
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35 fi |
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36 |
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37 else |
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38 ngx_n= |
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39 ngx_c='\c' |
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40 fi |
452 | 41 |
42 | |
455 | 43 # create Makefile |
452 | 44 |
455 | 45 cat << END > Makefile |
452 | 46 |
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47 default: build |
452 | 48 |
49 clean: | |
455 | 50 rm -rf Makefile $NGX_OBJS |
452 | 51 END |