52e8b33422
manual process. Useful for triggering the dumping of the circular buffer when an error is detected.
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#ifndef _MEMLOG_H
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#define _MEMLOG_H
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/*
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* This file is distributed as part of MariaDB MaxScale. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright MariaDB Ab 2014
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*/
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/**
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* @file memlog.h The memory logging mechanism
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*
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 26/09/14 Mark Riddoch Initial implementation
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*
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* @endverbatim
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*/
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#include <spinlock.h>
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typedef enum { ML_INT, ML_LONG, ML_LONGLONG, ML_STRING } MEMLOGTYPE;
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typedef struct memlog {
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char *name;
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SPINLOCK lock;
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void *values;
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int offset;
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int size;
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MEMLOGTYPE type;
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unsigned int flags;
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unsigned int iflags;
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struct memlog *next;
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} MEMLOG;
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/*
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* MEMLOG flag bits
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*/
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#define MLNOAUTOFLUSH 0x0001
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/*
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* MEMLOG internal flags
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*/
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#define MLWRAPPED 0x0001
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extern MEMLOG *memlog_create(char *, MEMLOGTYPE, int);
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extern void memlog_destroy(MEMLOG *);
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extern void memlog_set(MEMLOG *, unsigned int);
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extern void memlog_log(MEMLOG *, void *);
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extern void memlog_flush_all();
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extern void memlog_flush(MEMLOG *);
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#endif
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