server:running_the_server:signals
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This shows you the differences between two versions of the page.
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server:running_the_server:signals [2018/02/28 08:34] karl created |
server:running_the_server:signals [2018/03/03 15:03] (current) karl [1 Hang Up [SIG]HUP] Error: claimed that the logfile would be newly writtene, but is re-opened in append mode. |
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| ==== 1 Hang Up [SIG]HUP ==== | ==== 1 Hang Up [SIG]HUP ==== | ||
| - | This signal forces the crossfire server unfortunately not | + | This signal forces the crossfire [[:server]] unfortunately not |
| - | to reload the configuration files, but should write a new log file, | + | to reload the configuration files, \\ |
| + | but reopens the log file in append mode, | ||
| if the logging output is not send to stderr ( of some terminal ) . | if the logging output is not send to stderr ( of some terminal ) . | ||
| Syntax : ''kill -1 `pidof crossfire-server`'' | Syntax : ''kill -1 `pidof crossfire-server`'' | ||
| + | |||
| + | The whole path to the logfile is defined in //server/include/config.h// as absolute path-name : | ||
| + | * Windows : #define LOGFILE "var\\crossfire.log" | ||
| + | * #else : #define LOGFILE "/var/log/crossfire/logfile" | ||
| + | The //configure// script inside the [[:server:server_compiling|source]] does not alter that path, even when the //--prefix// option had been applied. \\ | ||
| + | The server may choke at start up, if the directory //var// or // /var/log/crossfire// does not exist, \\ or has not set proper writable permissions. | ||
| + | |||
| + | The source code file //server/common.logger.c// opens the existing logfile \\ | ||
| + | in append mode inside the function //void LOG (LogLevel logLevel, const char *format, ...)// : | ||
| + | <code c>if ((logfile = fopen(settings.logfilename, "a")) == NULL)</code> | ||
| + | "a" means append : | ||
| + | >**a** Open for appending (writing at end of file). The file is | ||
| + | > created if it does not exist. The stream is positioned at the | ||
| + | > end of the file. | ||
| + | From manual page [[http://man7.org/linux/man-pages/man3/fopen.3.html]] | ||
| + | |||
| + | FIXME It makes no sense to append to a logfile; I have a 55 MB logfile and would like the idea, to completely overwrite it, without the need to shut down the server entirely. \\ | ||
| + | In the case of a long-time running server like the [[:servers:metalforge]] one , this log file could crash the Operating System because of it's sheer size ( filling up the partition ). | ||
| ==== 2 Interrupt [SIG}INT ==== | ==== 2 Interrupt [SIG}INT ==== | ||
server/running_the_server/signals.1519828465.txt.gz · Last modified: 2018/02/28 08:34 by karl
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