79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// src/backend/static_schedulable.hh - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef STATIC_SCHEDULABLE_HH
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#define STATIC_SCHEDULABLE_HH 1
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#include "config.h"
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#include "glibmm/ustring.h"
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namespace sgpem
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{
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class StaticSchedulable;
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/** \brief An entity that can use the processor
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*
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* This abstract class describes an entity that can use the processor. It
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* describes the parameters that don't change during a simulation.
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*
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* For a reference of a schedulable among its current status see referenced
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* class.
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*
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* \see DynamicSchedulable
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*/
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class SG_DLLLOCAL StaticSchedulable
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{
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public:
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/** \brief Create a new object with the given parameters */
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StaticSchedulable(const Glib::ustring& name, const int& priority);
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virtual ~StaticSchedulable();
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/** \brief Returns the arrival time for this process
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*
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* The arrival time of a process is the number of time units, starting
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* from instant zero, at which the process is added on the queue.
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*/
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virtual unsigned int get_arrival_time() const = 0;
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/** \brief Returns the amount of CPU time this process is going to require */
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virtual unsigned int get_total_cpu_time() const = 0;
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/** \brief Returns the priority of this process
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*
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* The priority of a process is a number assigned to it when it is
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* spawned, and never changes for its lifetime.
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*/
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virtual int get_priority() const;
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/** \brief Returns a string representing this object
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*
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* The name of a process is a human readable string assigned to it by the
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* user, that allows it to be quickly recognized.
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*/
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virtual const Glib::ustring& get_name() const;
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private:
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Glib::ustring _name;
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int _priority;
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};
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}
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#endif
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