You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-11-03 17:13:17 +03:00
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; version 2 of
|
|
the License.
|
|
|
|
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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
/***********************************************************************
|
|
* $Id: dmlresultbuffer.cpp 927 2013-01-21 14:11:25Z rdempsey $
|
|
*
|
|
*
|
|
***********************************************************************/
|
|
/** @file */
|
|
|
|
#include "dmlresultbuffer.h"
|
|
|
|
namespace dmlprocessor
|
|
{
|
|
|
|
DMLResultBuffer::DMLResultBuffer()
|
|
: fBufferSize(1), fFull(0)
|
|
{
|
|
|
|
}
|
|
|
|
DMLResultBuffer::DMLResultBuffer(int bufferSize)
|
|
: fBufferSize(bufferSize), fFull(0)
|
|
{
|
|
|
|
}
|
|
|
|
DMLResultBuffer::~DMLResultBuffer()
|
|
{
|
|
fResultBuffer.clear();
|
|
}
|
|
|
|
void DMLResultBuffer::put(dmlpackageprocessor::DMLPackageProcessor::DMLResult result, int sessionID)
|
|
{
|
|
scoped_lock lock(fMutex);
|
|
|
|
if (fFull == fBufferSize)
|
|
{
|
|
while (fFull == fBufferSize)
|
|
fCond.wait(lock);
|
|
}
|
|
|
|
ResultPair rp;
|
|
rp.result = result;
|
|
rp.sessionID = sessionID;
|
|
|
|
fResultBuffer.push_back(rp);
|
|
++fFull;
|
|
fCond.notify_one();
|
|
}
|
|
|
|
DMLResultBuffer::ResultPair DMLResultBuffer::get()
|
|
{
|
|
scoped_lock lk(fMutex);
|
|
|
|
if (fFull == 0)
|
|
{
|
|
while (fFull == 0)
|
|
fCond.wait(lk);
|
|
}
|
|
|
|
ResultPair rp = fResultBuffer[0];
|
|
fResultBuffer.pop_front();
|
|
--fFull;
|
|
fCond.notify_one();
|
|
return rp;
|
|
}
|
|
|
|
} //namespace dmlprocessor
|
|
|
|
|