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163 lines
3.7 KiB
163 lines
3.7 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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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 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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hsMutex::hsMutex() |
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{ |
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OSStatus status = ::MPCreateCriticalRegion(&fCriticalRegion); |
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hsThrowIfOSErr(status); |
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} |
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hsMutex::~hsMutex() |
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{ |
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OSStatus status = ::MPDeleteCriticalRegion(fCriticalRegion); |
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hsThrowIfOSErr(status); |
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} |
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void hsMutex::Lock() |
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{ |
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OSStatus status = ::MPEnterCriticalRegion(fCriticalRegion, kDurationForever); |
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hsThrowIfOSErr(status); |
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} |
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void hsMutex::Unlock() |
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{ |
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OSStatus status = ::MPExitCriticalRegion(fCriticalRegion); |
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hsThrowIfOSErr(status); |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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hsSemaphore::hsSemaphore(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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hsSemaphore::~hsSemaphore() |
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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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hsBool hsSemaphore::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 hsSemaphore::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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