os-k/include/ke/proc.h

//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Desc:       Process-related structs and functions                         //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2020 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K 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 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K 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 OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//

#ifndef _KERNEL_H
#include <kernel.h>
#endif

#ifndef _LIB_LIST_H
#include <lib/list.h>
#endif

#ifndef _KALKERN_PROC_H
#define _KALKERN_PROC_H

//----------------------------------------------------------------------------//

// States for a process
enum ProcState_t
{
    STATE_RUNNING,
    STATE_RUNNABLE,
    STATE_BLOCKED,
};

//
// A process
//
struct Process_t
{
    // Scheduler internals
    ListNode_t  schedNode;

    // Identifier
    int         pid;

    // Current priority class
    int         prioClass;

    // Default priority class (without boosts)
    int         defPrioClass;

    // Current priority level
    int         prioLevel;

    // Default priority level
    int         defPrioLevel;

    // Current state
    ProcState_t procState;

    // Remaining time running
    ulong       timeSlice;

    // Default time-slice
    ulong       defTimeSlice;
};

//----------------------------------------------------------------------------//

#endif