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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2008 Grame
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; either version 2 of the License, or
(at your option) any later version.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "JackSystemDeps.h"
#include "JackWaitThreadedDriver.h"
#include "JackGlobals.h"
#include "JackClient.h"
#include "JackEngineControl.h"
#include "JackException.h"
#include "JackError.h"
namespace Jack
{
bool JackWaitThreadedDriver::Init()
{
return (fStarter.Start() == 0);
}
bool JackWaitThreadedDriver::Execute()
{
try {
// Process a null cycle until NetDriver has started
while (!fStarter.fRunning && fThread.GetStatus() == JackThread::kRunning) {
fDriver->ProcessNull();
}
// Set RT
if (fDriver->IsRealTime()) {
jack_log("JackWaitThreadedDriver::Init IsRealTime");
// Will do "something" on OSX only...
GetEngineControl()->fPeriod = GetEngineControl()->fConstraint = GetEngineControl()->fPeriodUsecs * 1000;
fThread.SetParams(GetEngineControl()->fPeriod, GetEngineControl()->fComputation, GetEngineControl()->fConstraint);
if (fThread.AcquireSelfRealTime(GetEngineControl()->fServerPriority) < 0) {
jack_error("AcquireSelfRealTime error");
} else {
set_threaded_log_function();
}
}
// Switch to keep running even in case of error
while (fThread.GetStatus() == JackThread::kRunning) {
fDriver->Process();
}
return false;
} catch (JackNetException& e) {
e.PrintMessage();
jack_info("Driver is restarted");
fThread.DropSelfRealTime();
// Thread in kIniting status again...
fThread.SetStatus(JackThread::kIniting);
if (Init()) {
// Thread in kRunning status again...
fThread.SetStatus(JackThread::kRunning);
return true;
} else {
return false;
}
}
}
} // end of namespace
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