// Uses the Scheduler class to manage a scheduler instance.
static void explicit_scheduler()
{
// Run the task.
// This prints the identifier of the default scheduler.
perform_task();
// For demonstration, create a scheduler object that uses
// the default policy values.
wcout << L"Creating scheduler..." << endl;
Scheduler* scheduler = Scheduler::Create(SchedulerPolicy());
// Register to be notified when the scheduler shuts down.
HANDLE hShutdownEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
scheduler->RegisterShutdownEvent(hShutdownEvent);
// Associate the scheduler with the current thread.
wcout << L"Attaching scheduler..." << endl;
scheduler->Attach();
// Run the sample task again.
// This prints the identifier of the new scheduler.
perform_task();
// Detach the current scheduler. This restores the previous scheduler
// as the current one.
wcout << L"Detaching scheduler..." << endl;
CurrentScheduler::Detach();
// Release the final reference to the scheduler. This causes the scheduler
// to shut down after all tasks finish.
scheduler->Release();
// Wait for the scheduler to shut down and destroy itself.
WaitForSingleObject(hShutdownEvent, INFINITE);
// Close the event handle.
CloseHandle(hShutdownEvent);
// Run the sample task again.
// This prints the identifier of the default scheduler.
perform_task();
}
