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source: orxonox.OLD/branches/gui/src/lib/util/threading.h @ 8033

Last change on this file since 8033 was 7847, checked in by bensch, 19 years ago

trunk: some minor fixes

File size: 1.4 KB
Line 
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
23  public:
24    Thread(int (*fn)(void *), void *data) { this->thread = SDL_CreateThread(fn, data); };
25    virtual ~Thread() { SDL_KillThread(this->thread); }
26    void exit ( int returnCode = 0 );
27    bool isFinished () const;
28    bool isRunning () const;
29    void wait() { SDL_WaitThread(this->thread, NULL); };
30
31    void start();
32    void terminate();
33
34
35  private:
36    SDL_Thread* thread;
37
38  };
39
40  class Mutex
41  {
42  public:
43    Mutex() {  this->mutex = SDL_CreateMutex(); };
44    ~Mutex() { SDL_DestroyMutex(this->mutex); }
45
46    void lock() { SDL_mutexP(mutex); };
47    void unlock() { SDL_mutexV(mutex); };
48
49    SDL_mutex* getMutex() const { return this->mutex; };
50  private:
51    SDL_mutex* mutex;
52  };
53
54  //! A Class that locks a Mutex within its scope
55  class MutexLock
56  {
57  public:
58    //! Locks the Mutex mutex in this Scope.
59    MutexLock(Mutex* mutex) { SDL_mutexP(mutex->getMutex()); this->mutex = mutex; };
60    ~MutexLock() { SDL_mutexV(mutex->getMutex()); };
61  private:
62    Mutex* mutex;         //!< The Mutex to lock.
63  };
64}
65
66#endif /* _THREADING_H */
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