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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../stdafx.h"
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#include "../grid/message.h"
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void jniCallback(Message& m, Message& out);
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extern boost::mutex dbMutex;
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extern int dbLocked;
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struct dblock {
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boostlock bl;
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dblock() : bl(dbMutex) {
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dbLocked++;
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assert( dbLocked == 1 );
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}
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~dblock() {
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dbLocked--;
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assert( dbLocked == 0 );
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}
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};
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/* a scoped release of a mutex temporarily -- like a scopedlock but reversed.
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*/
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struct temprelease {
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boost::mutex& m;
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temprelease(boost::mutex& _m) : m(_m) {
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boost::detail::thread::lock_ops<boost::mutex>::unlock(m);
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}
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~temprelease() {
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boost::detail::thread::lock_ops<boost::mutex>::lock(m);
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}
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};
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#include "pdfile.h"
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struct dbtemprelease {
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string clientname;
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dbtemprelease() {
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if( client )
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clientname = client->name;
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dbLocked--;
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assert( dbLocked == 0 );
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boost::detail::thread::lock_ops<boost::mutex>::unlock(dbMutex);
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}
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~dbtemprelease() {
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boost::detail::thread::lock_ops<boost::mutex>::lock(dbMutex);
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dbLocked++;
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assert( dbLocked == 1 );
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if( clientname.empty() )
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client = 0;
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else
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setClient(clientname.c_str());
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}
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};
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