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// $Id$
#include "Util_Thread.h"
Util_Thread::Util_Thread (Task_State *ts,
ACE_Thread_Manager *thr_mgr)
: ACE_MT (ACE_Task<ACE_MT_SYNCH> (thr_mgr)),
done_ (0),
number_of_computations_ (0),
ts_ (ts)
{
}
int
Util_Thread::svc (void)
{
ACE_DEBUG ((LM_DEBUG,
"(%t) Utilization Thread created, "
"waiting for threads to finish binding\n"));
// this barrier synchronizes the utilization thread with
// the client threads
// i.e., the Util_thread should wait until all the
// clients have finished binding, and only then
// start measuring the utilization.
this->ts_->barrier_->wait ();
ACE_DEBUG ((LM_DEBUG,
"(%t) Threads have bound, "
"utilization test started\n"));
this->run_computations ();
return 0;
}
double
Util_Thread::get_number_of_computations (void)
{
return this->number_of_computations_;
}
// Perform repeated prime factor computations on an arbitrary number.
// And you thought your life was boring... :-)
int
Util_Thread::run_computations (void)
{
while (this->done_ == 0)
{
// See if this number is prime. 2 and CUBIT_ARBIT_NUMBER / 2 are
// the recommended values for min_factor and max_factor, as
// explained in ACE.h (is_prime).
ACE::is_prime (CUBIT_ARBIT_NUMBER,
2,
CUBIT_ARBIT_NUMBER / 2);
this->number_of_computations_ ++;
}
return 0;
}
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