JackMachThread.h
/*
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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
Copyright: Copyright 2002 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
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*/
#ifndef __JackMachThread__
#define __JackMachThread__
#include <TargetConditionals.h>
#ifdef MY_TARGET_OS_IPHONE
typedef unsigned char Boolean;
#endif
#include "JackPosixThread.h"
#ifndef MY_TARGET_OS_IPHONE
#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacTypes.h>
#endif
#include <mach/thread_policy.h>
#include <mach/thread_act.h>
#ifndef MY_TARGET_OS_IPHONE
#include <CoreAudio/HostTime.h>
#endif
#define THREAD_SET_PRIORITY 0
#define THREAD_SCHEDULED_PRIORITY 1
namespace Jack
{
class SERVER_EXPORT JackMachThread : public JackPosixThread
{
private:
UInt64 fPeriod;
UInt64 fComputation;
UInt64 fConstraint;
static UInt32 GetThreadSetPriority(jack_native_thread_t thread);
static UInt32 GetThreadScheduledPriority(jack_native_thread_t thread);
static UInt32 GetThreadPriority(jack_native_thread_t thread, int inWhichPriority);
public:
JackMachThread(JackRunnableInterface* runnable, UInt64 period, UInt64 computation, UInt64 constraint)
: JackPosixThread(runnable), fPeriod(period), fComputation(computation), fConstraint(constraint)
{}
JackMachThread(JackRunnableInterface* runnable, int cancellation = PTHREAD_CANCEL_ASYNCHRONOUS)
: JackPosixThread(runnable, cancellation), fPeriod(0), fComputation(0), fConstraint(0)
{}
int Kill();
int AcquireRealTime(); // Used when called from another thread
int AcquireSelfRealTime(); // Used when called from thread itself
int AcquireRealTime(int priority); // Used when called from another thread
int AcquireSelfRealTime(int priority); // Used when called from thread itself
int DropRealTime(); // Used when called from another thread
int DropSelfRealTime(); // Used when called from thread itself
void SetParams(UInt64 period, UInt64 computation, UInt64 constraint);
static int GetParams(jack_native_thread_t thread, UInt64* period, UInt64* computation, UInt64* constraint);
static int SetThreadToPriority(jack_native_thread_t thread, UInt32 inPriority, Boolean inIsFixed, UInt64 period, UInt64 computation, UInt64 constraint);
static int AcquireRealTimeImp(jack_native_thread_t thread, UInt64 period, UInt64 computation, UInt64 constraint);
static int AcquireRealTimeImp(jack_native_thread_t thread, int priority, UInt64 period, UInt64 computation, UInt64 constraint)
{
return JackMachThread::AcquireRealTimeImp(thread, period, computation, constraint);
}
static int DropRealTimeImp(jack_native_thread_t thread);
};
} // end of namespace
#endif
Jack::JackPosixThread
The POSIX thread base class.
Definition: JackPosixThread.h:38
Jack
Definition: JackAC3Encoder.cpp:30
Jack::JackRunnableInterface
The base class for runnable objects, that have an Init and Execute method to be called in a threa...
Definition: JackThread.h:34
Jack::JackMachThread
Darwin threads. Real-time threads are actually "time constraint" threads.
Definition: JackMachThread.h:92