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- Rename Policy to CPUPolicy where appropriate

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git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@811 3ecf2c5c-341e-0410-92b4-d18e462d057c
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tchernobog 2006-08-02 21:57:36 +00:00
parent 5b577c5979
commit 43b817aaed
31 changed files with 222 additions and 225 deletions
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src/backend/policy.hh
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// src/backend/policy.hh - 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
#ifndef POLICY_HH
#define POLICY_HH 1
#include "config.h"
#include "gettext.h"
#include "glibmm/ustring.h"
#include "policy_parameters.hh"
#include "user_interrupt_exception.hh"
namespace sgpem
{
class Policy;
/** \brief
It's a Strategy wich stay for a scheduling algorithm.
It implements the related scheduling policy.
Its goal is, usually, to keep a list of Schedulable objects
mantained in a ReadyQueue.
*/
class SG_DLLEXPORT Policy
{
public:
virtual ~Policy();
/**
Initialize the inner components of the policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void configure() throw(UserInterruptException) = 0;
/**
Sort the \ref ReadyQueue object that contain all the Schedulable objects
(Processes, Threads) still active managed by the scheduler.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
*/
virtual void sort_queue() const throw(UserInterruptException) = 0;
/**
Gets a string description of the policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return String description of the policy.
*/
virtual Glib::ustring get_description() const = 0;
virtual Glib::ustring get_name() const = 0;
/**
Tell if this policy is preemptible.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return True if this policy is preemptible.
*/
virtual bool is_pre_emptive() const throw(UserInterruptException) = 0;
/**
Gets the time quantum for the policy.
Because it's a pure virtual method, must be re-implemented
in concrete derived classes.
\return Time quantum for the policy.
*/
virtual int get_time_slice() const throw(UserInterruptException) = 0;
virtual void activate() = 0;
virtual void deactivate() = 0;
/**
Gets the parameters related with this policy.
\return The policy parameters.
*/
PolicyParameters& get_parameters();
protected:
PolicyParameters _parameters;
};
}//~ namespace sgpem
#endif