Mercurial > hg > nginx-quic
annotate auto/lib/test @ 4164:c48662671609 stable-1.0
Merging r4130, r4131, r4135:
Linux AIO related fixes:
*) Fixing Linux AIO syscalls return value handling:
syscall(2) uses usual libc convention, it returns -1 on error and
sets errno. Obsolete _syscall(2) returns negative value of error.
*) Fixing Linux AIO initiatialization: AIO operations are disabled
if kernel does not support them. Previously worker just exited.
*) The "worker_aio_requests" directive.
The default value is 32 AIO simultaneous requests per worker. Previously
they were hardcoded to 1024, and it was too large, since Linux allocated
them early on io_setup(), but not on request itself. So with default value
of /proc/sys/fs/aio-max-nr equal to 65536 only 64 worker processes could
be run simultaneously. 32 AIO requests are enough for modern disks even if
server runs only 1 worker.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2011 14:12:53 +0000 |
parents | 295d97d70c69 |
children | d620f497c50f |
rev | line source |
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2 # Copyright (C) Igor Sysoev |
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455 | 5 echo $ngx_n "checking for $ngx_lib ...$ngx_c" |
6 | |
7 cat << END >> $NGX_AUTOCONF_ERR | |
8 | |
9 ---------------------------------------- | |
10 checking for $ngx_lib | |
11 | |
12 END | |
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14 ngx_found=no |
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455 | 16 cat << END > $NGX_AUTOTEST.c |
17 | |
18 $ngx_lib_incs | |
19 | |
20 int main() { | |
21 $ngx_lib_test; | |
22 return 0; | |
23 } | |
24 | |
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26 eval "$CC $cc_test_flags $ngx_lib_cflags \ |
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27 -o $NGX_AUTOTEST $NGX_AUTOTEST.c $ngx_libs \ |
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28 >> $NGX_ERR 2>&1" |
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29 |
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30 if [ -x $NGX_AUTOTEST ]; then |
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31 echo " found" |
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33 ngx_found=yes |
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35 else |
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36 echo " not found" |
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37 fi |
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39 rm $NGX_AUTOTEST* |