jschedule.h
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef J_PRIORITYSCHEDULE_H
#define J_PRIORITYSCHEDULE_H
#include "jobject.h"
#include <iostream>
#ifdef _WIN32
#include <windows.h>
#include <winsock.h>
#else
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sched.h>
#endif
#include <stdint.h>
namespace jshared {
/**
* \brief Prioridade do escalonamento
*
*/
enum jschedule_policy_t {
JSP_FIFO,
JSP_ROUND_ROBIN,
JSP_OTHER
};
/**
* \brief Prioridade do escalonamento
*
*/
enum jschedule_type_t {
#ifdef _WIN32
PRIORITY_PROCESS = 0,
PRIORITY_GROUP = 0,
PRIORITY_USER = 0
#else
PRIORITY_PROCESS = PRIO_PROCESS,
PRIORITY_GROUP = PRIO_PGRP,
PRIORITY_USER = PRIO_USER
#endif
};
/**
* \brief Parametros de escalonamento
*
*/
struct jschedule_param_t {
int priority;
};
/**
* \brief Priority.
*
* \author Jeff Ferr
*/
class Schedule : public virtual jcommon::Object{
private:
#ifdef _WIN32
/** \brief */
HANDLE _pid;
#else
/** \brief */
pid_t _pid;
#endif
public:
/**
* \brief Constructor.
*
*/
#ifdef _WIN32
Schedule(HANDLE pid_ = 0);
#else
Schedule(pid_t pid_ = 0);
#endif
/**
* \brief Destrutor virtual.
*
*/
virtual ~Schedule();
/**
* \brief
*
*/
#ifdef _WIN32
HANDLE GetPID();
#else
pid_t GetPID();
#endif
/**
* \brief
*
*/
void SetPriority(int n);
/**
* \brief
*
*/
int GetCurrentPriority();
/**
* \brief
*
*/
void SetSchedulerParameter(const jschedule_param_t *param_);
/**
* \brief
*
*/
void GetSchedulerParameter(jschedule_param_t *param_);
/**
* \brief
*
*/
void SetScheduler(jschedule_type_t policy_, const jschedule_param_t *param_);
/**
* \brief
*
*/
jschedule_policy_t GetScheduler();
/**
* \brief
*
*/
int GetMaximumPriority();
/**
* \brief
*
*/
int GetMinimumPriority();
/**
* \brief
*
*/
void SetScheduleAffinity(unsigned long mask_);
/**
* \brief
*
*/
unsigned long GetScheduleAffinity();
/**
* \brief
*
*/
void YieldProcess();
/**
* \brief
*
*/
void IncreaseNice();
/**
* \brief
*
*/
void DecreaseNice();
/**
* \brief
*
*/
void SetPriority(int n, jschedule_type_t type_);
/**
* \brief
*
*/
int GetPriority(jschedule_type_t type_);
};
}
#endif