compbench-devel

[Frederic T. <xf...@us...>]

Update of /cvsroot/compbench/CompBenchmarks++/libcompbenchmarks/Base
In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv28929

Added Files:
	Thread.cpp Thread.h 
Log Message:
First import.

--- NEW FILE: Thread.h ---
/* ----------------------------------------------------------------------------
   $Id: Thread.h,v 1.1 2007/05/16 09:44:19 xfred Exp $

   This is free software.
   For details, see the GNU Public License in the COPYING file, or
   Look http://www.fsf.org
   ------------------------------------------------------------------------- */
#ifndef H_CBMTHREAD
#define H_CBMTHREAD 1

#include <pthread.h>

namespace CBM {
  /** \brief Class for storing and managing threads
   */
  class Mutex {
  private:
    pthread_mutex_t mutex;
    
  public:
    Mutex();
    virtual void Lock(void);
    virtual void Unlock(void);
    
    virtual ~Mutex();
  };
  
  class Thread {
  private:
    pthread_t tid;
    int       isTerminated;
    Mutex     mutex;
    
  protected:
    virtual void P(void);
    virtual void R(void);
    virtual void join(void);
  
  public:
    Thread();
    
    virtual void routine(void) = 0;
    virtual void terminated(void);
    virtual int Terminated(void);

    virtual float Progress(void);

    virtual void Start(void);
    
    /** Destructor  */
    virtual ~Thread();
  };


  class ThreadAction : public Thread {
  private:
  protected:
    ThreadAction();

  public:
    virtual float Progress(void) = 0;

    ~ThreadAction();
  };

  class ThreadActionTest : public ThreadAction {
  private:
    int slp;
    Mutex m;

  protected:
    virtual void routine(void);

  public:
    ThreadActionTest();

    virtual float Progress(void);

    ~ThreadActionTest();
  };
}

#endif

--- NEW FILE: Thread.cpp ---
/* ----------------------------------------------------------------------------
   $Id: Thread.cpp,v 1.1 2007/05/16 09:44:19 xfred Exp $

   This is free software.
   For details, see the GNU Public License in the COPYING file, or
   Look http://www.fsf.org
   ------------------------------------------------------------------------- */
#include <Base/Thread.h>
#include <vector>

using namespace CBM;

void *thread_main_routine(void *tobj)
{
  CBM::Thread *thread = ((CBM::Thread*)tobj);

  thread->routine();
  thread->terminated();

  pthread_exit(NULL);
}

Mutex::Mutex()
{
  pthread_mutex_init(&mutex, NULL);
}

void Mutex::Lock(void)
{
  pthread_mutex_lock(&mutex);
}

void Mutex::Unlock(void)
{
  pthread_mutex_unlock(&mutex);
}

Mutex::~Mutex()
{
  pthread_mutex_destroy(&mutex);
}




Thread::Thread()
{
  isTerminated=0;
}

void Thread::P(void)
{
  mutex.Lock();
}

void Thread::R(void)
{
  mutex.Unlock();
}

void Thread::join(void)
{
  pthread_join(tid, NULL);
}

void Thread::terminated(void)
{
  P();
  isTerminated=1;
  R();
}

int Thread::Terminated(void)
{
  int term;

  P();
  term=isTerminated;
  R();

  if (term)
    join();

  return(term);
}

float Thread::Progress(void)
{
  return(0.0);
}

void Thread::Start(void)
{
  pthread_attr_t attr;

  pthread_attr_init(&attr);
  pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);

  isTerminated=0;
  pthread_create(&tid, &attr, thread_main_routine, (void*) this);
}

Thread::~Thread()
{
}

ThreadAction::ThreadAction()
  : Thread()
{
}

ThreadAction::~ThreadAction()
{
}

ThreadActionTest::ThreadActionTest()
  : ThreadAction()
{
  slp=5;
}

void ThreadActionTest::routine(void)
{
  int loc = slp;

  while (loc--) {
    m.Lock();
    slp=loc;
    m.Unlock();
    sleep(1);
  }
}

float ThreadActionTest::Progress(void)
{
  int loc;

  m.Lock();
  loc=slp;
  m.Unlock();

  return((5-loc)/.05);
}

ThreadActionTest::~ThreadActionTest(void)
{
}