mongodb/db/db.h

/**
*    Copyright (C) 2008 10gen Inc.
*  
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*  
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU Affero General Public License for more details.
*  
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "../stdafx.h"
#include "../grid/message.h"

void jniCallback(Message& m, Message& out);

extern boost::mutex dbMutex;
extern int dbLocked;

struct dblock { 
    boostlock bl;
    dblock() : bl(dbMutex) { 
        dbLocked++;
        assert( dbLocked == 1 );
    }
	~dblock() { 
        dbLocked--;
        assert( dbLocked == 0 );
    }
};