125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
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/*
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** Command & Conquer Generals Zero Hour(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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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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**
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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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**
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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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*/
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//
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// Platform independent thread creation (Win32 & POSIX)
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//
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#ifndef THREADFAC_HEADER
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#define THREADFAC_HEADER
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#ifdef _WIN32
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#include <process.h>
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#endif
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#include "wstypes.h"
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#include <stdlib.h>
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#ifdef _WIN32
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#include <wtypes.h>
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#else // UNIX
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#include <pthread.h>
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#endif
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// Windows headers have a tendency to redefine IN
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#ifdef IN
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#undef IN
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#endif
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#define IN const
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#include "critsec.h"
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#ifdef THREADFAC_CODE
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// This is the fake thread entry point for functions
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#ifdef _WIN32
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static unsigned __stdcall threadFuncLauncher(void *temp);
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#else // UNIX
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static void *threadFuncLauncher(void *temp);
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#endif
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// Fake entry point for classes
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#ifdef _WIN32
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static unsigned __stdcall threadClassLauncher(void *temp);
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#else // UNIX
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static void *threadClassLauncher(void *temp);
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#endif
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#endif
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// Forward definition of base class for threaded classes
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class Runnable;
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//
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// Call the static method startThread to begin a new thread.
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//
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class ThreadFactory
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{
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public:
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static bit8 startThread(void (*start_func)(void *), void *data);
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static bit8 startThread(Runnable &runable, void *data, bit8 destroy=FALSE);
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};
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//
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// Base class for when you want a thread to execute inside a class
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// instead of a function.
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//
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class Runnable
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{
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public:
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Runnable();
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virtual ~Runnable();
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// ThreadFactory needs to be able to access the private
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// IsRunning_ field.
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friend class ThreadFactory;
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// So do the threadClassLaunchers
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#ifdef _WIN32
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friend static unsigned __stdcall threadClassLauncher(void *temp);
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#else // UNIX
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friend void *threadClassLauncher(void *temp);
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#endif
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virtual void run(void *data)=0; // Thread entry point
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void startThread(void *data,bit8 destroy=FALSE) // nice way to start a thread
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{
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ThreadFactory::startThread(*this,data,destroy);
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};
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// Is there a thread running in this class?
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static bit8 isRunning(void);
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// Get the count of threads running inside this class
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static int getThreadCount();
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private:
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static int ThreadCount_;
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static CritSec CritSec_; // to protect ThreadCount_
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};
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#endif
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