Mercurial > hg > nginx
annotate auto/feature @ 4115:70a45a504905
Workaround for cpu hog on errors with cached connections.
Just doing another connect isn't safe as peer.get() may expect peer.tries
to be strictly positive (this is the case e.g. with round robin with multiple
upstream servers). Increment peer.tries to at least avoid cpu hog in
round robin balancer (with the patch alert will be seen instead).
This is not enough to fully address the problem though, hence TODO. We
should be able to inform balancer that the error wasn't considered fatal
and it may make sense to retry the same peer.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 15 Sep 2011 18:12:58 +0000 |
parents | 0ec738f18346 |
children | d620f497c50f |
rev | line source |
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1 |
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2 # Copyright (C) Igor Sysoev |
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3 |
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4 |
455 | 5 echo $ngx_n "checking for $ngx_feature ...$ngx_c" |
6 | |
7 cat << END >> $NGX_AUTOCONF_ERR | |
8 | |
9 ---------------------------------------- | |
10 checking for $ngx_feature | |
11 | |
12 END | |
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13 |
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14 ngx_found=no |
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15 |
455 | 16 if test -n "$ngx_feature_name"; then |
645 | 17 ngx_have_feature=`echo $ngx_feature_name \ |
18 | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` | |
455 | 19 fi |
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20 |
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21 if test -n "$ngx_feature_path"; then |
2139 | 22 for ngx_temp in $ngx_feature_path; do |
23 ngx_feature_inc_path="$ngx_feature_inc_path -I $ngx_temp" | |
24 done | |
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25 fi |
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26 |
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27 cat << END > $NGX_AUTOTEST.c |
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28 |
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29 #include <sys/types.h> |
455 | 30 $NGX_INCLUDE_UNISTD_H |
31 $ngx_feature_incs | |
358
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32 |
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33 int main() { |
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34 $ngx_feature_test; |
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35 return 0; |
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36 } |
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37 |
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38 END |
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39 |
455 | 40 |
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41 ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS $ngx_feature_inc_path \ |
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42 -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_TEST_LD_OPT $ngx_feature_libs" |
461 | 43 |
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44 ngx_feature_inc_path= |
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45 |
946 | 46 eval "/bin/sh -c \"$ngx_test\" >> $NGX_AUTOCONF_ERR 2>&1" |
455 | 47 |
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48 |
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49 if [ -x $NGX_AUTOTEST ]; then |
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50 |
619 | 51 case "$ngx_feature_run" in |
52 | |
53 yes) | |
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54 # /bin/sh is used to intercept "Killed" or "Abort trap" messages |
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55 if /bin/sh -c $NGX_AUTOTEST >> $NGX_AUTOCONF_ERR 2>&1; then |
619 | 56 echo " found" |
57 ngx_found=yes | |
455 | 58 |
619 | 59 if test -n "$ngx_feature_name"; then |
60 have=$ngx_have_feature . auto/have | |
61 fi | |
455 | 62 |
619 | 63 else |
64 echo " found but is not working" | |
65 fi | |
66 ;; | |
67 | |
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68 value) |
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69 # /bin/sh is used to intercept "Killed" or "Abort trap" messages |
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70 if /bin/sh -c $NGX_AUTOTEST >> $NGX_AUTOCONF_ERR 2>&1; then |
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71 echo " found" |
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72 ngx_found=yes |
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73 |
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74 cat << END >> $NGX_AUTO_CONFIG_H |
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75 |
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76 #ifndef $ngx_feature_name |
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77 #define $ngx_feature_name `$NGX_AUTOTEST` |
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78 #endif |
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79 |
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80 END |
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81 else |
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82 echo " found but is not working" |
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83 fi |
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84 ;; |
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85 |
619 | 86 bug) |
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87 # /bin/sh is used to intercept "Killed" or "Abort trap" messages |
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88 if /bin/sh -c $NGX_AUTOTEST >> $NGX_AUTOCONF_ERR 2>&1; then |
619 | 89 echo " not found" |
455 | 90 |
619 | 91 else |
92 echo " found" | |
93 ngx_found=yes | |
94 | |
95 if test -n "$ngx_feature_name"; then | |
96 have=$ngx_have_feature . auto/have | |
97 fi | |
98 fi | |
99 ;; | |
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100 |
619 | 101 *) |
102 echo " found" | |
103 ngx_found=yes | |
455 | 104 |
619 | 105 if test -n "$ngx_feature_name"; then |
106 have=$ngx_have_feature . auto/have | |
107 fi | |
108 ;; | |
455 | 109 |
619 | 110 esac |
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111 |
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112 else |
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113 echo " not found" |
455 | 114 |
115 echo "----------" >> $NGX_AUTOCONF_ERR | |
116 cat $NGX_AUTOTEST.c >> $NGX_AUTOCONF_ERR | |
117 echo "----------" >> $NGX_AUTOCONF_ERR | |
118 echo $ngx_test >> $NGX_AUTOCONF_ERR | |
119 echo "----------" >> $NGX_AUTOCONF_ERR | |
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120 fi |
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121 |
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122 rm $NGX_AUTOTEST* |