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// lasterror.h
/**
* Copyright (C) 2009 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/>.
*/
#pragma once
#include <boost/thread/tss.hpp>
struct LastError {
string msg;
int nPrev;
void raiseError(const char *_msg) {
msg = _msg;
nPrev = 1;
}
bool haveError() const { return !msg.empty(); }
void resetError() { msg.clear(); }
LastError() { nPrev = 0; }
};
extern boost::thread_specific_ptr<LastError> lastError;
inline void raiseError(const char *msg) {
LastError *le = lastError.get();
if( le == 0 ) {
DEV log() << "warning: lastError==0 can't report:" << msg << '\n';
return;
}
le->raiseError(msg);
}
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