// common.cpp
/*
 *    Copyright (C) 2010 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 "pch.h"
#include "concurrency.h"

/**
 * this just has globals
 */
namespace mongo {

    /* we use new here so we don't have to worry about destructor orders at program shutdown */
    MongoMutex &dbMutex( *(new MongoMutex("rw:dbMutex")) );

    MongoMutex::MongoMutex(const char *name) : _m(name) {
        //static int n;
        //assert( ++n == 1 ); // we don't expect there to be but a single one of these; warn, maybe, if there are

        /*cout << sizeof(*this) << endl;
        cout << sizeof(MutexInfo) << endl;
        cout << sizeof(RWLock) << endl;
        cout << sizeof(ThreadLocalValue<int>) << endl;
        _state.get();*/
    }

}