94f7c1d127
- Erased Scheduler::step_forward(): reimplementing from scratch git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@701 3ecf2c5c-341e-0410-92b4-d18e462d057c
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
// src/backend/scheduler.cc - Copyright 2005, 2006, University
|
|
// of Padova, dept. of Pure and Applied
|
|
// Mathematics
|
|
//
|
|
// This file is part of SGPEMv2.
|
|
//
|
|
// This is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// SGPEMv2 is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with SGPEMv2; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
#include "policy.hh"
|
|
#include "scheduler.hh"
|
|
#include "policy_manager.hh"
|
|
#include "policies_gatekeeper.hh"
|
|
#include "user_interrupt_exception.hh"
|
|
|
|
// Do not include full template definition in the header file
|
|
#include "singleton.tcc"
|
|
|
|
#include <iostream>
|
|
using namespace std;
|
|
using namespace sgpem;
|
|
|
|
// Explicit template instantiation to allow to export symbols from the DSO.
|
|
template class SG_DLLEXPORT Singleton<Scheduler>;
|
|
|
|
//private constructor. The parameter is discarded
|
|
Scheduler::Scheduler()
|
|
: _policy_manager(PolicyManager::get_registered_manager())
|
|
{
|
|
_policy_manager.init();
|
|
}
|
|
|
|
ReadyQueue*
|
|
Scheduler::get_ready_queue()
|
|
{
|
|
// FIXME return the correct queue accordingly to the value returned by Policy::wants()
|
|
return &_ready_queue;
|
|
}
|
|
|
|
|
|
/** \note E' fondamentale che questo metodo memorizzi localmente qualora la politica
|
|
attuale sia a prerilascio o meno, e la durata del quanto di tempo, in quanto la politica
|
|
e' libera di variare questi parametri a piacere durante l'esecuzione della simulazione
|
|
*/
|
|
void
|
|
Scheduler::reset_status()
|
|
{
|
|
// DEPRECATED (?)
|
|
}
|
|
|
|
|
|
Policy&
|
|
Scheduler::get_policy()
|
|
{
|
|
// FIXME : fixme.
|
|
// return *PoliciesGatekeeper::get_instance().get_current_policy(&History::get_instance());
|
|
}
|
|
|
|
|
|
void
|
|
Scheduler::step_forward(History& history, Policy& cpu_policy) throw(UserInterruptException)
|
|
{
|
|
|
|
|
|
try
|
|
{
|
|
|
|
}
|
|
catch( UserInterruptException e )
|
|
{
|
|
_policy_manager.init();
|
|
//TODO Do we need to perform some cleanup operation here?
|
|
// Do we need to update something?
|
|
|
|
// Going up unwinding the stack, tell:
|
|
// - the user that the policy sucks
|
|
// - SimulationController that everything stopped
|
|
throw;
|
|
}
|
|
}
|
|
|