# thread.h

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    00001 /* $Id: thread.h 26349 2014-02-16 21:37:05Z frosch $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef THREAD_H
    00013 #define THREAD_H
    00014
    00016 typedef void (*OTTDThreadFunc)(void *);
    00017
    00019 class OTTDThreadExitSignal { };
    00020
    00024 class ThreadObject {
    00025 public:
    00029   virtual ~ThreadObject() {};
    00030
    00034   virtual bool Exit() = 0;
    00035
    00039   virtual void Join() = 0;
    00040
    00049   static bool New(OTTDThreadFunc proc, void *param, ThreadObject **thread = NULL);
    00050 };
    00051
    00055 class ThreadMutex {
    00056 public:
    00060   static ThreadMutex *New();
    00061
    00065   virtual ~ThreadMutex() {};
    00066
    00073   virtual void BeginCritical(bool allow_recursive = false) = 0;
    00074
    00081   virtual void EndCritical(bool allow_recursive = false) = 0;
    00082
    00089   virtual void WaitForSignal() = 0;
    00090
    00094   virtual void SendSignal() = 0;
    00095 };
    00096
    00100 class ThreadMutexLocker {
    00101 public:
    00106   ThreadMutexLocker(ThreadMutex *mutex) : mutex(mutex) { mutex->BeginCritical(); }
    00107
    00111   ~ThreadMutexLocker() { this->mutex->EndCritical(); }
    00112
    00113 private:
    00114   ThreadMutexLocker(const ThreadMutexLocker &) { NOT_REACHED(); }
    00115   ThreadMutexLocker &operator=(const ThreadMutexLocker &) { NOT_REACHED(); return *this; }
    00116   ThreadMutex *mutex;
    00117 };
    00118
    00123 uint GetCPUCoreCount();
    00124
    00125 #endif /* THREAD_H */