casyntim.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: casyntim.cpp,v 1.5.32.1 2004/07/09 02:06:33 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxtick.h"
- #include "timeval.h"
- #include "pq.h"
- #include "hxthread.h"
- #include "hxcom.h"
- #include "hxengin.h"
- #include "hxsched.h"
- #include "hxmsgs.h"
- #include "casyntim.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- //XXXgfw when we do thread priorities on linux we will change this.
- #ifdef _UNIX
- #define THREAD_PRIORITY_HIGHEST 1
- #define THREAD_PRIORITY_NORMAL 0
- #elif defined (_CARBON)
- #define THREAD_PRIORITY_HIGHEST 10000
- #define THREAD_PRIORITY_NORMAL 100
- #elif defined(_SYMBIAN)
- #include <e32std.h>
- #define THREAD_PRIORITY_HIGHEST EPriorityMuchMore
- #define THREAD_PRIORITY_NORMAL EPriorityNormal
- #elif defined(_OPENWAVE)
- #define THREAD_PRIORITY_HIGHEST 1
- #define THREAD_PRIORITY_NORMAL 0
- #endif
- void* ThreadRoutine2(void * pArg);
- CAsyncTimer::CAsyncTimer(HXScheduler* pScheduler)
- {
- m_pScheduler = pScheduler;
- m_ulStartTime = 0;
- m_ulGranularity = 100;
- m_pThread = NULL;
- m_pQuitEvent = NULL;
- m_uPlayingStateCount = 0;
- }
- CAsyncTimer::~CAsyncTimer()
- {
- StopTimer();
- }
- // timegettime
- HX_RESULT CAsyncTimer::StartTimer(void)
- {
- HX_RESULT theErr = HXR_OK;
- #ifdef THREADS_SUPPORTED
- theErr = HXThread::MakeThread(m_pThread);
- HXEvent::MakeEvent(m_pQuitEvent, NULL);
- #else
- theErr = HXThread::MakeStubThread(m_pThread);
- HXEvent::MakeStubEvent(m_pQuitEvent, NULL);
- #endif
- if (!theErr)
- {
- theErr = m_pThread->CreateThread(ThreadRoutine2, (void*) this);
- }
- return theErr;
- }
- HX_RESULT CAsyncTimer::StopTimer(void)
- {
- if (m_pThread)
- {
- HXThreadMessage msg(HXMSG_QUIT, NULL, NULL);
- if (m_pThread->PostMessage(&msg) == HXR_OK)
- {
- m_pQuitEvent->Wait(ALLFS);
- }
- m_pThread->Exit(0);
- delete m_pThread;
- m_pThread = 0;
- }
- if (m_pQuitEvent)
- {
- delete m_pQuitEvent;
- m_pQuitEvent = 0;
- }
- return HXR_OK;
- }
- BOOL CAsyncTimer::InTimerThread(void)
- {
- BOOL bRet = FALSE;
- if (m_pThread)
- {
- UINT32 ulThreadId = 0;
- m_pThread->GetThreadId(ulThreadId);
- if (ulThreadId == m_pThread->GetCurrentThreadID())
- {
- bRet = TRUE;
- }
- }
- return bRet;
- }
- void CAsyncTimer::NotifyPlayState(BOOL bInPlayingState)
- {
- HX_ASSERT(bInPlayingState || (m_uPlayingStateCount > 0));
- if (bInPlayingState)
- {
- m_uPlayingStateCount++;
- HX_ASSERT(m_pThread != NULL);
- if (m_uPlayingStateCount == 1 && m_pThread)
- {
- m_pThread->SetPriority(THREAD_PRIORITY_HIGHEST);
- }
- }
- else if (m_uPlayingStateCount > 0)
- {
- m_uPlayingStateCount--;
- HX_ASSERT(m_pThread != NULL);
- if (m_uPlayingStateCount == 0 && m_pThread)
- {
- m_pThread->SetPriority(THREAD_PRIORITY_NORMAL);
- }
- }
- }
- void* ThreadRoutine2(void * pArg)
- {
- CAsyncTimer* pAsyncTimer = (CAsyncTimer*) pArg;
- ULONG32 ulSleepTime = pAsyncTimer->m_ulGranularity;
- ULONG32 ulStartTime = HX_GET_TICKCOUNT();
- HXThread* pThread = pAsyncTimer->m_pThread;
- HXThreadMessage msg;
- BOOL bDone = FALSE;
- UINT32 ulLastTimerCallback = ulStartTime;
- UINT32 ulTimerId = HXAsyncTimer::SetTimer(ulSleepTime, pThread );
-
- while (!bDone && pThread->GetMessage(&msg, 0,0) == HXR_OK)
- {
- switch (msg.m_ulMessage)
- {
- case HXMSG_ASYNC_TIMER:
- {
- ULONG32 ulCurrentTime = HX_GET_TICKCOUNT();
- if (CALCULATE_ELAPSED_TICKS(ulLastTimerCallback, ulCurrentTime)
- >= ulSleepTime)
- {
- ulLastTimerCallback = ulCurrentTime;
- pAsyncTimer->m_pScheduler->OnTimeSync(TRUE);
- }
- }
- break;
- case HXMSG_QUIT:
- bDone = TRUE;
- break;
- default:
- pThread->DispatchMessage(&msg);
- break;
- }
- }
- HXAsyncTimer::KillTimer(ulTimerId);
- pAsyncTimer->m_pQuitEvent->SignalEvent();
- return (void*) 0;
- }