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116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Authors: spectral` //
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// NeoX //
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// //
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// Desc: Scheduler header //
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//----------------------------------------------------------------------------//
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//------------------------------------------//
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// Dependencies //
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//------------------------------------------//
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#ifndef _KALKERN_BASE_H
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#include "kernbase.h"
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#endif
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#ifndef _KALLIST_H
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#include <common/kallist.h>
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#endif
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//------------------------------------------//
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// Start of header //
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//------------------------------------------//
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#ifndef _KALKERN_SCHED_H
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#define _KALKERN_SCHED_H
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//------------------------------------------//
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// Preprocessor //
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//------------------------------------------//
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//
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// Debug stuff
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//
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#define printdbg printf
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//
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// States for a process
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//
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#define STATE_RUNNING 0
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#define STATE_RUNNABLE 1
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#define STATE_BLOCKED 2
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//
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// Time in ticks a process should be run
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//
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#define DEF_PROC_TSLICE 5 // 20 ticks
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#define TCR_PROC_TSLICE 20000 // 20000 ticks (time critical)
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//------------------------------------------//
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// List heads //
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//------------------------------------------//
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DECLARE_PER_CPU(IdlePrioProcs, ListHead_t *);
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DECLARE_PER_CPU(ReglPrioProcs, ListHead_t *);
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DECLARE_PER_CPU(ServPrioProcs, ListHead_t *);
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DECLARE_PER_CPU(TimeCritProcs, ListHead_t *);
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extern const char *PrioClassesNames[];
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//------------------------------------------//
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// Data types //
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//------------------------------------------//
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//
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// A process
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//
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typedef struct sProcess_t {
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// Identifier
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int pid;
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// Current priority class
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int prioClass;
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// Default priority class (without boosts)
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int defPrioClass;
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// Current priority level
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int prioLevel;
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// Default priority level
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int defPrioLevel;
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// Current state
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int procState;
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// Remaining time running
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ulong timeSlice;
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// Default time-slice
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ulong defTimeSlice;
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// Scheduler internals
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ListNode_t *schedNode;
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} Process_t;
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//------------------------------------------//
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// Functions //
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//------------------------------------------//
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void SchedInit(void);
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void SchedFini(void);
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void SchedThisProc(Process_t *);
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void SchedOnTick(void);
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//------------------------------------------//
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// End of header //
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//------------------------------------------//
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#endif
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