Worker.h

   1 /*
   2  * This file is part of NumptyPhysics
   3  * Copyright (C) 2008 Tim Edmonds
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 3 of the
   8  * License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  */
  16
  17 #ifndef WORKER_H
  18 #define WORKER_H
  19
  20 #include <SDL/SDL.h>
  21
  22 class WorkerBase
  23 {
  24  public:
  25   WorkerBase( void (*func)(void*) ) { m_func = func; }
  26   void start();
  27   bool done();
  28
  29  private:
  30   void       (*m_func)(void*);
  31   SDL_Thread  *m_thread;
  32 };
  33
  34 template< typename A, typename B, typename C >
  35 class Worker : public WorkerBase
  36 {
  37  public:
  38   typedef void (*F)(A,B,C);
  39
  40   Worker( F ff, A aa, B bb, C cc )
  41     : f(ff), a(aa), b(bb), c(cc),
  42       WorkerBase( worker, this )
  43     {}
  44
  45   static void worker( void *s)
  46   {
  47     Worker* self = (Worker*)s;
  48     self->f( self->a, self->b, self->c );
  49   }
  50  private:
  51   F f; A a; B b; C c;
  52 };
  53
  54
  55
  56
  57 #endif //WORKER_H