pool.cpp

ACE编程的一本经典BIBLE的源代码,喜欢网络编程的别错过

// Pool.cpp,v 1.2 2004/05/10 18:50:00 shuston Exp

#include "ace/config-lite.h"
#if defined (ACE_HAS_THREADS)

#include "ace/Task.h"
#include "ace/Log_Msg.h"

// Listing 1 code/ch13
class HA_CommandHandler : public ACE_Task<ACE_MT_SYNCH>
{
public:
  virtual int svc (void)
  {
    ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%t) starting up \n")));
    ACE_Message_Block *mb;
    if (this->getq (mb) == -1)
      return -1;
    // ... do something with the message.
    return 0;
  }
};
// Listing 1
// Listing 2 code/ch13
int ACE_TMAIN (int, ACE_TCHAR *[])
{
  HA_CommandHandler handler;

  // Create 4 threads.
  handler.activate (THR_NEW_LWP | THR_JOINABLE, 4);
  handler.wait ();
  return 0;
}
// Listing 2

#else
#include "ace/OS_main.h"
#include "ace/OS_NS_stdio.h"

int ACE_TMAIN (int, ACE_TCHAR *[])
{
  ACE_OS::puts (ACE_TEXT ("This example requires threads."));
  return 0;
}

#endif /* ACE_HAS_THREADS */