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153 lines
4.1 KiB
153 lines
4.1 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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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 3 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, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "hsThread.h" |
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#include "hsExceptions.h" |
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extern "C" { |
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static OSStatus gEntryPoint(void* param) |
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{ |
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return ((hsThread*)param)->Run(); |
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} |
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} |
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hsThread::hsThread(uint32_t stackSize) : fTaskId(0), fStackSize(stackSize), fQuit(false) |
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{ |
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if (MPLibraryIsLoaded() == false) |
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throw "MPLibraryIsLoaded() returned false"; |
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} |
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hsThread::~hsThread() |
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{ |
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this->Stop(); |
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} |
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void hsThread::Start() |
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{ |
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if (fTaskId == 0) |
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{ OSStatus status = ::MPCreateQueue(&fNotifyQ); |
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hsThrowIfOSErr(status); |
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status = ::MPCreateTask(gEntryPoint, this, fStackSize, fNotifyQ, nil, nil, 0, &fTaskId); |
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if (status) |
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{ ::MPDeleteQueue(fNotifyQ); |
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throw hsOSException(status); |
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} |
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} |
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else |
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hsDebugMessage("Calling hsThread::Start() more than once", 0); |
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} |
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void hsThread::Stop() |
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{ |
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if (fTaskId) |
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{ this->fQuit = true; |
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OSStatus status = ::MPTerminateTask(fTaskId, 0); |
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hsThrowIfOSErr(status); |
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// Wait for the task to tell us that its actually quit |
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status = ::MPWaitOnQueue(fNotifyQ, nil, nil, nil, kDurationForever); |
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hsThrowIfOSErr(status); |
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status = ::MPDeleteQueue(fNotifyQ); |
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hsThrowIfOSErr(status); |
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fTaskId = 0; |
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} |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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void* hsThread::Alloc(size_t size) |
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{ |
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return ::MPAllocate(size); |
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} |
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void hsThread::Free(void* p) |
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{ |
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if (p) |
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::MPFree(p); |
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} |
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void hsThread::ThreadYield() |
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{ |
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::MPYield(); |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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hsGlobalSemaphore::hsGlobalSemaphore(int initialValue) |
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{ |
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OSStatus status = MPCreateSemaphore(kPosInfinity32, initialValue, &fSemaId); |
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hsThrowIfOSErr(status); |
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} |
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hsGlobalSemaphore::~hsGlobalSemaphore() |
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{ |
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OSStatus status = MPDeleteSemaphore(fSemaId); |
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hsThrowIfOSErr(status); |
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} |
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bool hsGlobalSemaphore::Wait(hsMilliseconds timeToWait) |
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{ |
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Duration duration; |
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if (timeToWait == kPosInfinity32) |
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duration = kDurationForever; |
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else |
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duration = 0; // THEY DON'T IMPLEMENT delay times yet !!! |
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OSStatus status = MPWaitOnSemaphore(fSemaId, duration); |
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/* |
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if (status == kMPTimeoutErr) |
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return false; |
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*/ |
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hsThrowIfOSErr(status); |
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return true; |
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} |
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void hsGlobalSemaphore::Signal() |
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{ |
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OSStatus status = MPSignalSemaphore(fSemaId); |
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hsThrowIfOSErr(status); |
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} |
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