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/**
* @file llioutil.cpp
* @author Phoenix
* @date 2005-10-05
* @brief Utility functionality for the io pipes.
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llioutil.h"
#include "llfasttimer.h"
/**
* LLIOFlush
*/
LLIOPipe::EStatus LLIOFlush::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
eos = true;
return STATUS_OK;
}
static LLTrace::TimeBlock FTM_PROCESS_SLEEP("IO Sleep");
/**
* @class LLIOSleep
*/
LLIOPipe::EStatus LLIOSleep::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(FTM_PROCESS_SLEEP);
if(mSeconds > 0.0)
{
if(pump) pump->sleepChain(mSeconds);
mSeconds = 0.0;
return STATUS_BREAK;
}
return STATUS_DONE;
}
static LLTrace::TimeBlock FTM_PROCESS_ADD_CHAIN("Add Chain");
/**
* @class LLIOAddChain
*/
LLIOPipe::EStatus LLIOAddChain::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
LL_RECORD_BLOCK_TIME(FTM_PROCESS_ADD_CHAIN);
pump->addChain(mChain, mTimeout);
return STATUS_DONE;
}
/**
* LLChangeChannel
*/
LLChangeChannel::LLChangeChannel(S32 is, S32 becomes) :
mIs(is),
mBecomes(becomes)
{
}
void LLChangeChannel::operator()(LLSegment& segment)
{
if(segment.isOnChannel(mIs))
{
segment.setChannel(mBecomes);
}
}
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