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source: orxonox.OLD/trunk/src/lib/util/threading.h @ 10287

Last change on this file since 10287 was 9884, checked in by bensch, 18 years ago

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File size: 1.4 KB
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1/*!
2 * @file threading.h
3 * @brief Definition of Thread Classes.
4 *
5 * These are mainly Classes, that are used for wrapping around SDL_thread
6*/
7
8#ifndef _THREADING_H
9#define _THREADING_H
10
11#ifdef HAVE_SDL_H
12 #include <SDL_thread.h>
13#else
14 #include <SDL/SDL_thread.h>
15#endif
16
17namespace OrxThread
18{
19  //! A class for Wrapping Threads
20  class Thread
21  {
22  public:
23    Thread(int (*fn)(void *), void *data) { this->thread = SDL_CreateThread(fn, data); };
24    virtual ~Thread() { SDL_KillThread(this->thread); }
25    void exit ( int returnCode = 0 );
26    bool isFinished () const;
27    bool isRunning () const;
28    void wait() { SDL_WaitThread(this->thread, NULL); };
29
30    void start();
31    void terminate();
32
33
34  private:
35    SDL_Thread* thread;
36
37  };
38
39  class Mutex
40  {
41  public:
42    Mutex() {  this->mutex = SDL_CreateMutex(); };
43    ~Mutex() { SDL_DestroyMutex(this->mutex); }
44
45    void lock() { SDL_mutexP(mutex); };
46    void unlock() { SDL_mutexV(mutex); };
47
48    SDL_mutex* getMutex() const { return this->mutex; };
49  private:
50    SDL_mutex* mutex;
51  };
52
53  //! A Class that locks a Mutex within its scope
54  class MutexLock
55  {
56  public:
57    //! Locks the Mutex mutex in this Scope.
58    MutexLock(Mutex* mutex) { SDL_mutexP(mutex->getMutex()); this->mutex = mutex; };
59    ~MutexLock() { SDL_mutexV(mutex->getMutex()); };
60  private:
61    Mutex* mutex;         //!< The Mutex to lock.
62  };
63}
64
65#endif /* _THREADING_H */
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