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- Add method to set a request state

Browse source 
- Work on step_forward() a little more
- Add extra check inside dynamic_thread()::decrease_remaining_time()


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@717 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-07-04 23:09:10 +00:00
parent dd4898ca55
commit 22af0b9cdd
5 changed files with 49 additions and 24 deletions
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56
src/backend/scheduler.cc
View file

@ -68,7 +68,7 @@ static void prepare_ready_queue(ConcreteEnvironment& snapshot,
it != all_threads.end(); it++)
{
if((*it)->get_state() == Schedulable::state_ready)
all_threads.push_back(*it);
queue.append(**it);
}
}
@ -178,21 +178,28 @@ Scheduler::step_forward(History& history, Policy& cpu_policy) throw(UserInterrup
Schedulable::state_terminated)) == 0)
simulation_ended = false;
}
// ---------- FIXME ----------------
// What to do now if the simulation ended?
// 4a. Requests for the running thread exhausted
// 4a. Look for exhausted requests for the running thread
if(running_thread != NULL) {
Requests& reqs = running_thread->get_dynamic_requests();
if(running_thread->get_state() == Schedulable::state_terminated)
bool running_terminated = running_thread->get_state() == Schedulable::state_terminated;
for(Requests::iterator it = reqs.begin(); it != reqs.end(); it++)
{
// for(Requests::iterator it = reqs.begin();
}
DynamicRequest& rq = **it;
if(rq.get_state() == Request::state_allocated)
/* decrease remaining time for request */;
// ASK MARCO : can we implement request::decrease_remaining_time() as
// a function that calls decrease_remaining_time() on all its subrequests,
// that in turn never go with a remaining time < 0?
// If the running thread terminated uncoditionally put them in exhausted state
if(running_terminated /* || rq.get_remaining_time() == 0 */ )
rq.set_state(Request::state_exhausted);
}
// FIXME we lack a way to tell and/or remember for how
// much a subrequest has been being fulfilled
// THIS MEANS this part is NOT complete
@ -205,18 +212,23 @@ Scheduler::step_forward(History& history, Policy& cpu_policy) throw(UserInterrup
// even if it was terminated
}
} //~ if running_thread != NULL
// ---------- FIXME ----------------
// What to do now if the simulation ended?
// /
// /
// /
// (I'M HERE) < * * * * * * * * * * *
// \
// \
// \
//
// (is it visible enough for you?)
/* /
* /
* /
* (I'M HERE) < * * * * * * * * * * *
* \
* \
* \
*
* (is it visible enough for you?)
*/
prepare_ready_queue(*new_snapshot, all_threads);