98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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Copyright (C) 2004-2008 Grame
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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 General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "JackSystemDeps.h"
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#include "JackFreewheelDriver.h"
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#include "JackEngineControl.h"
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#include "JackLockedEngine.h"
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namespace Jack
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{
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// When used in "master" mode
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int JackFreewheelDriver::Process()
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{
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jack_log("JackFreewheelDriver::Process master %lld", fEngineControl->fTimeOutUsecs);
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JackDriver::CycleTakeBeginTime();
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if (fEngine->Process(fBeginDateUst, fEndDateUst)) {
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// Resume connected clients in the graph
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if (ResumeRefNum() < 0) {
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jack_error("JackFreewheelDriver::Process: ResumeRefNum error");
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}
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// Special "SuspendRefNum" with longer timeout
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if (SuspendRefNum() < 0) { // Wait for all clients to finish for FREEWHEEL_DRIVER_TIMEOUT sec
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jack_error("JackFreewheelDriver::Process: SuspendRefNum error");
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}
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} else { // Graph not finished: do not activate it
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jack_error("JackFreewheelDriver::Process: Process error");
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}
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return 0;
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}
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// When used in "slave" mode
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int JackFreewheelDriver::ProcessReadSync()
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{
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// Resume connected clients in the graph
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if (ResumeRefNum() < 0) { // Signal all clients
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jack_error("JackFreewheelDriver::ProcessReadSync: ResumeRefNum error");
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return -1;
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}
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return 0;
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}
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int JackFreewheelDriver::ProcessWriteSync()
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{
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// Generic "SuspendRefNum" here
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if (JackDriver::SuspendRefNum() < 0) {
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jack_error("JackFreewheelDriver::ProcessSync: SuspendRefNum error");
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return -1;
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}
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return 0;
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}
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int JackFreewheelDriver::ProcessReadAsync()
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{
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// Resume connected clients in the graph
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if (ResumeRefNum() < 0) { // Signal all clients
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jack_error("JackFreewheelDriver::ProcessReadAsync: ResumeRefNum error");
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return -1;
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}
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return 0;
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}
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int JackFreewheelDriver::ProcessWriteAsync()
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{
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return 0;
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}
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int JackFreewheelDriver::SuspendRefNum()
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{
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return fGraphManager->SuspendRefNum(&fClientControl, fSynchroTable, FREEWHEEL_DRIVER_TIMEOUT * 1000000);
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}
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} // end of namespace
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