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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file thread.h Base of all threads. */
#ifndef THREAD_H
#define THREAD_H
typedef void (*OTTDThreadFunc)(void *);
class OTTDThreadExitSignal { };
/**
* A Thread Object which works on all our supported OSes.
*/
class ThreadObject {
public:
/**
* Virtual destructor to allow 'delete' operator to work properly.
*/
virtual ~ThreadObject() {};
/**
* Exit this thread.
*/
virtual bool Exit() = 0;
/**
* Join this thread.
*/
virtual void Join() = 0;
/**
* Create a thread; proc will be called as first function inside the thread,
* with optinal params.
* @param proc The procedure to call inside the thread.
* @param param The params to give with 'proc'.
* @param thread Place to store a pointer to the thread in. May be NULL.
* @return True if the thread was started correctly.
*/
static bool New(OTTDThreadFunc proc, void *param, ThreadObject **thread = NULL);
};
/**
* Cross-platform Mutex
*/
class ThreadMutex {
public:
static ThreadMutex *New();
/**
* Virtual Destructor to avoid compiler warnings.
*/
virtual ~ThreadMutex() {};
/**
* Begin the critical section
*/
virtual void BeginCritical() = 0;
/**
* End of the critical section
*/
virtual void EndCritical() = 0;
};
#endif /* THREAD_H */
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