76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* SPDX-License-Identifier: MIT OR X11
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*
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* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
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*/
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#ifndef __XORG_OS_LOGGING_H
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#define __XORG_OS_LOGGING_H
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#include "include/os.h"
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/**
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* @brief initialize logging and open log files
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*
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* Make backup of existing log file, create a new one and open it for logging.
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*
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* - May be called with NULL or "", if no logging is desired.
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*
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* - Must always be called, otherwise log messages will fill up the buffer and
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* let it grow infinitely.
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*
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* - if "%s" is present in fname, it will be replaced with the display string or pid
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*
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* @param fname log file name template. if NULL, dont write any log.
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* @param backup name for the old logfile.
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* @return new log file name
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*/
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const char* LogInit(const char *fname, const char *backup);
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/**
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* @brief rename the current log file according display name
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*
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* Renames the current log file with per display prefix (e.g. "Xorg.log.0")
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*
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*/
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void LogSetDisplay(void);
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/**
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* @brief log exit code, then flush and close log file and write
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*
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* Logs the exit code (and success/error state), then flush and close log file.
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*/
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void LogClose(enum ExitCode error);
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#ifdef DEBUG
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/**
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* @brief log debug messages (like errors) if symbol DEBUG is defined
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*/
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#define DebugF ErrorF
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#else
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#define DebugF(...) /* */
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#endif
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/**
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* @brief console log verbosity (stderr)
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*
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* The verbosity level of logging to console. All messages with verbosity
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* level below this one will be written to stderr
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*/
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extern int xorgLogVerbosity;
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/**
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* @brief log file verbosity
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*
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* The verbosity level of logging to per-display file. All messages with
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* verbosity level below this one will be written to the log file.
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*/
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extern int xorgLogFileVerbosity;
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/**
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* @brief force fsync() on each log write
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*
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* If set to TRUE, force fsync() on each log write.
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*/
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extern Bool xorgLogSync;
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#endif /* __XORG_OS_LOGGING_H */
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