196 lines
4.7 KiB
C++
196 lines
4.7 KiB
C++
/**
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* vim: set ts=4 sw=4 tw=99 noet:
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include <unistd.h>
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#include "PosixThreads.h"
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#include "ThreadWorker.h"
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IThreadWorker *PosixThreader::MakeWorker(IThreadWorkerCallbacks *hooks, bool threaded)
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{
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if (threaded)
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{
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return new ThreadWorker(hooks, this, DEFAULT_THINK_TIME_MS);
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} else {
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return new BaseWorker(hooks);
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}
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}
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void PosixThreader::DestroyWorker(IThreadWorker *pWorker)
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{
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delete pWorker;
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}
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void PosixThreader::ThreadSleep(unsigned int ms)
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{
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usleep( ms * 1000 );
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}
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void PosixThreader::GetPriorityBounds(ThreadPriority &max, ThreadPriority &min)
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{
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max = ThreadPrio_Normal;
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min = ThreadPrio_Normal;
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}
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IMutex *PosixThreader::MakeMutex()
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{
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return new CompatMutex();
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}
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void PosixThreader::MakeThread(IThread *pThread)
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{
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ThreadParams defparams;
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defparams.flags = Thread_AutoRelease;
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defparams.prio = ThreadPrio_Normal;
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MakeThread(pThread, &defparams);
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}
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IThreadHandle *PosixThreader::MakeThread(IThread *pThread, ThreadFlags flags)
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{
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ThreadParams defparams;
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defparams.flags = flags;
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defparams.prio = ThreadPrio_Normal;
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return MakeThread(pThread, &defparams);
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}
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void PosixThreader::ThreadHandle::Run()
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{
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// Wait for an unpause if necessary.
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{
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ke::AutoLock lock(&m_runlock);
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if (m_state == Thread_Paused)
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m_runlock.Wait();
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}
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m_run->RunThread(this);
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m_state = Thread_Done;
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m_run->OnTerminate(this, false);
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if (m_params.flags & Thread_AutoRelease)
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delete this;
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}
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ThreadParams g_defparams;
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IThreadHandle *PosixThreader::MakeThread(IThread *pThread, const ThreadParams *params)
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{
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if (params == NULL)
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params = &g_defparams;
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ke::AutoPtr<ThreadHandle> pHandle(new ThreadHandle(this, pThread, params));
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pHandle->m_thread = new ke::Thread(pHandle, "SourceMod");
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if (!pHandle->m_thread->Succeeded())
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return NULL;
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if (!(params->flags & Thread_CreateSuspended))
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pHandle->Unpause();
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return pHandle.take();
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}
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IEventSignal *PosixThreader::MakeEventSignal()
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{
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return new CompatCondVar();
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}
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/******************
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* Thread Handles *
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******************/
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PosixThreader::ThreadHandle::ThreadHandle(IThreader *parent, IThread *run, const ThreadParams *params) :
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m_parent(parent), m_params(*params), m_run(run), m_state(Thread_Paused)
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{
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}
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PosixThreader::ThreadHandle::~ThreadHandle()
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{
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}
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bool PosixThreader::ThreadHandle::WaitForThread()
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{
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if (!m_thread)
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return false;
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m_thread->Join();
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return true;
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}
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ThreadState PosixThreader::ThreadHandle::GetState()
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{
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return m_state;
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}
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IThreadCreator *PosixThreader::ThreadHandle::Parent()
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{
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return m_parent;
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}
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void PosixThreader::ThreadHandle::DestroyThis()
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{
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if (m_params.flags & Thread_AutoRelease)
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return;
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delete this;
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}
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void PosixThreader::ThreadHandle::GetParams(ThreadParams *ptparams)
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{
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if (!ptparams)
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return;
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*ptparams = m_params;
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}
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ThreadPriority PosixThreader::ThreadHandle::GetPriority()
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{
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return ThreadPrio_Normal;
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}
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bool PosixThreader::ThreadHandle::SetPriority(ThreadPriority prio)
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{
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return (prio == ThreadPrio_Normal);
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}
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bool PosixThreader::ThreadHandle::Unpause()
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{
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if (m_state != Thread_Paused)
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return false;
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ke::AutoLock lock(&m_runlock);
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m_state = Thread_Running;
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m_runlock.Notify();
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return true;
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}
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