Mercurial > hg > nginx-quic
annotate src/core/nginx.h @ 7312:54683f650cbd
Resolver: retry sending queries on errors (ticket #1511).
Errors when sending UDP datagrams can happen, e.g., when local IP address
changes (see fa0e093b64d7), or an unavailable DNS server on the LAN can cause
send() to fail with EHOSTDOWN on BSD systems. If this happens during
initial query, retry sending immediately, to a different DNS server when
possible. If this is not enough, allow normal resend to happen by ignoring
the return code of the second ngx_resolver_send_query() call, much like we
do in ngx_resolver_resend().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 05 Jul 2018 22:21:14 +0300 |
parents | 1f410bcef7c1 |
children | 308819020438 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGINX_H_INCLUDED_ |
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9 #define _NGINX_H_INCLUDED_ |
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11 |
7310 | 12 #define nginx_version 1015002 |
13 #define NGINX_VERSION "1.15.2" | |
775 | 14 #define NGINX_VER "nginx/" NGINX_VERSION |
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16 #ifdef NGX_BUILD |
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17 #define NGINX_VER_BUILD NGINX_VER " (" NGX_BUILD ")" |
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18 #else |
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19 #define NGINX_VER_BUILD NGINX_VER |
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20 #endif |
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22 #define NGINX_VAR "NGINX" |
543 | 23 #define NGX_OLDPID_EXT ".oldbin" |
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24 |
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26 #endif /* _NGINX_H_INCLUDED_ */ |