Mercurial > hg > nginx
annotate src/core/ngx_syslog.h @ 9270:3d455e37abf8
Core: PID file writing synchronization.
Now, ngx_daemon() does not call exit() in the parent process immediately,
but instead waits for the child process to signal it actually started (and
wrote the PID file if configured to). This ensures that the PID file
already exists when the parent process exits.
To make sure that signal handlers won't cause unexpected logging in the
parent process if the child process dies (for example, due to errors when
writing the PID file), ngx_init_signals() is moved to the child process.
This resolves "PID file ... not readable (yet?) after start" and "Failed
to parse PID from file..." errors as observed with systemd.
Note that the errors observed are considered to be a bug in systemd, which
isn't able to work properly with traditional Unix daemons. Still, the
workaround is implemented to make sure there will be no OS vendor patches
trying to address this.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 13 May 2024 06:13:22 +0300 |
parents | 1c9264603adc |
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5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
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1 |
777202558122
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #ifndef _NGX_SYSLOG_H_INCLUDED_ |
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8 #define _NGX_SYSLOG_H_INCLUDED_ |
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9 |
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10 |
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Added syslog support for error_log and access_log directives.
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11 typedef struct { |
8149
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
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12 ngx_uint_t facility; |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
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13 ngx_uint_t severity; |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
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14 ngx_str_t tag; |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
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15 |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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16 ngx_str_t *hostname; |
5702
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parents:
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17 |
8149
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
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18 ngx_addr_t server; |
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Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
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19 ngx_connection_t conn; |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
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20 |
8150
8771d35d55d0
Syslog: introduced error log handler.
Maxim Dounin <mdounin@mdounin.ru>
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21 ngx_log_t log; |
8771d35d55d0
Syslog: introduced error log handler.
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22 ngx_log_t *logp; |
8149
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23 |
9225
1c9264603adc
Syslog: introduced ngx_syslog_send() error logging moderation.
Maxim Dounin <mdounin@mdounin.ru>
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8150
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24 time_t error_log_time; |
1c9264603adc
Syslog: introduced ngx_syslog_send() error logging moderation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8150
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25 time_t connect_error_time; |
1c9264603adc
Syslog: introduced ngx_syslog_send() error logging moderation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8150
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26 |
8149
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
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27 unsigned busy:1; |
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
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28 unsigned nohostname:1; |
5702
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
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29 } ngx_syslog_peer_t; |
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Vladimir Homutov <vl@nginx.com>
parents:
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30 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
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31 |
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Added syslog support for error_log and access_log directives.
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32 char *ngx_syslog_process_conf(ngx_conf_t *cf, ngx_syslog_peer_t *peer); |
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33 u_char *ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf); |
777202558122
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Vladimir Homutov <vl@nginx.com>
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34 void ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf, |
777202558122
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35 size_t len); |
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Vladimir Homutov <vl@nginx.com>
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36 ssize_t ngx_syslog_send(ngx_syslog_peer_t *peer, u_char *buf, size_t len); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
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37 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
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38 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
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39 #endif /* _NGX_SYSLOG_H_INCLUDED_ */ |