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MySQL 5.1: mysql/src/5.1-dbg/server-tools/instance-manager/log.h Source File
mysql/src/5.1-dbg/server-tools/instance-manager/log.h

00001 #ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_LOG_H
00002 #define INCLUDES_MYSQL_INSTANCE_MANAGER_LOG_H
00003 /* Copyright (C) 2003 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
00004 
00005    This program is free software; you can redistribute it and/or modify
00006    it under the terms of the GNU General Public License as published by
00007    the Free Software Foundation; either version 2 of the License, or
00008    (at your option) any later version.
00009 
00010    This program is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013    GNU General Public License for more details.
00014 
00015    You should have received a copy of the GNU General Public License
00016    along with this program; if not, write to the Free Software
00017    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00018 
00019 /*
00020   Logging facilities.
00021 
00022   Two logging streams are supported: error log and info log. Additionally
00023   libdbug may be used for debug information output.
00024   ANSI C buffered I/O is used to perform logging.
00025   Logging is performed via stdout/stder, so one can reopen them to point to
00026   ordinary files. To initialize loggin environment log_init() must be called.
00027 
00028   Rationale:
00029   - no MYSQL_LOG as it has BIN mode, and not easy to fetch from sql_class.h
00030   - no constructors/desctructors to make logging available all the time
00031   Function names are subject to change.
00032 */
00033 
00034 
00035 /* Precede error message with date and time and print it to the stdout */
00036 void log_info(const char *format, ...)
00037 #ifdef __GNUC__
00038         __attribute__ ((format(printf, 1, 2)))
00039 #endif
00040   ;
00041 
00042 
00043 /* Precede error message with date and time and print it to the stderr */
00044 void log_error(const char *format, ...)
00045 #ifdef __GNUC__
00046         __attribute__ ((format (printf, 1, 2)))
00047 #endif
00048   ;
00049 
00050 
00051 /*
00052   Now this is simple catchouts for printf (no date/time is logged), to be
00053   able to replace underlying streams in future.
00054 */
00055 
00056 void print_info(const char *format, ...)
00057 #ifdef __GNUC__
00058         __attribute__ ((format (printf, 1, 2)))
00059 #endif
00060   ;
00061 
00062 
00063 void print_error(const char *format, ...)
00064 #ifdef __GNUC__
00065         __attribute__ ((format (printf, 1, 2)))
00066 #endif
00067   ;
00068 
00069 /*  initialize logs */
00070 void log_init();
00071 
00072 
00073 /* print information to the error log and eixt(1) */  
00074 
00075 void die(const char *format, ...)
00076 #ifdef __GNUC__
00077         __attribute__ ((format (printf, 1, 2)))
00078 #endif
00079   ;
00080 
00081 #endif // INCLUDES_MYSQL_INSTANCE_MANAGER_LOG_H
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