You find pretty soon that anytime you work with ACE_Task<> you have to create a derivative. The Task.h header simply provides that derivative with the overrides we'll need in our application.
// page02.html,v 1.9 2000/03/19 20:09:27 jcej Exp
// Task.h
//
// Tutorial regarding a way to use ACE_Stream.
//
// written by bob mcwhirter (bob@netwrench.com)
#ifndef TASK_H
#define TASK_H
#include <ace/Task.h>
#include <ace/Synch.h>
// Always typedef when possible.
typedef ACE_Task<ACE_MT_SYNCH> Task_Base;
class Task : public Task_Base
{
public:
typedef Task_Base inherited;
// This is just good form.
Task (const char *nameOfTask,
int numberOfThreads);
// Initialize our Task with a name, and number of threads to spawn.
virtual ~Task (void);
virtual int open (void *arg);
// This is provided to prevent compiler complaints about hidden
// virtual functions.
virtual int close (u_long flags);
// This closes down the Task and all service threads.
virtual int put (ACE_Message_Block *message,
ACE_Time_Value *timeout);
// This is the interface that ACE_Stream uses to communicate with
// our Task.
virtual int svc (void);
// This is the actual service loop each of the service threads
// iterates through.
const char *nameOfTask (void) const;
// Returns the name of this Task.
private:
int d_numberOfThreads;
char d_nameOfTask[64];
ACE_Barrier d_barrier;
// Simple Barrier to make sure all of our service threads have
// entered their loop before accepting any messages.
};
#endif /* TASK_H */