Responsible for deciding which Process may execute on the local Core. More...

#include <Scheduler.h>

Public Types
enum	Result { Success, InvalidArgument }
	Result code. More...

Public Member Functions
	Scheduler ()
	Constructor function. More...

Size	count () const
	Get number of processes on the schedule. More...

Result	enqueue (Process *proc, bool ignoreState)
	Add a Process to the run schedule. More...

Result	dequeue (Process *proc, bool ignoreState)
	Remove a Process from the run schedule. More...

Process *	select ()
	Select the next process to run. More...

Private Attributes
Queue< Process *, MAX_PROCS >	m_queue
	Contains processes ready to run. More...

Detailed Description

Responsible for deciding which Process may execute on the local Core.

Definition at line 36 of file Scheduler.h.

Member Enumeration Documentation

◆ Result

enum Scheduler::Result

Result code.

Enumerator
Success
InvalidArgument

Definition at line 43 of file Scheduler.h.

Constructor & Destructor Documentation

◆ Scheduler()

Scheduler::Scheduler ( )

Constructor function.

Definition at line 22 of file Scheduler.cpp.

References DEBUG.

Member Function Documentation

◆ count()

Size Scheduler::count ( ) const

Get number of processes on the schedule.

Returns: Number of processes on the schedule

Definition at line 27 of file Scheduler.cpp.

References Queue< T, N >::count(), and m_queue.

Referenced by dequeue().

◆ dequeue()

Scheduler::Result Scheduler::dequeue	(	Process *	proc,
		bool	ignoreState
	)

Remove a Process from the run schedule.

Parameters

proc	Process pointer
ignoreState	True to not check for the Process state prior to dequeue.

Returns: Result code

Definition at line 44 of file Scheduler.cpp.

References count(), Queue< T, N >::count(), ERROR, FATAL, Process::getID(), Process::getState(), InvalidArgument, m_queue, Queue< T, N >::pop(), Queue< T, N >::push(), Process::Ready, and Success.

Referenced by ProcessManager::dequeueProcess().

◆ enqueue()

Scheduler::Result Scheduler::enqueue	(	Process *	proc,
		bool	ignoreState
	)

Add a Process to the run schedule.

Parameters

proc	Process pointer
ignoreState	True to not check for the Process state prior to dequeue.

Returns: Result code

Definition at line 32 of file Scheduler.cpp.

References ERROR, Process::getID(), Process::getState(), InvalidArgument, m_queue, Queue< T, N >::push(), Process::Ready, and Success.

Referenced by ProcessManager::enqueueProcess().

◆ select()

Process * Scheduler::select ( )

Select the next process to run.

Returns: Process pointer or NULL if no matching process found

Definition at line 69 of file Scheduler.cpp.

References Queue< T, N >::count(), m_queue, NULL, Queue< T, N >::pop(), and Queue< T, N >::push().

Referenced by ProcessManager::schedule().

Field Documentation

◆ m_queue

Queue<Process *, MAX_PROCS> Scheduler::m_queue

private

Contains processes ready to run.

Definition at line 93 of file Scheduler.h.

Referenced by count(), dequeue(), enqueue(), and select().

The documentation for this class was generated from the following files:

kernel/Scheduler.h
kernel/Scheduler.cpp

Public Types

Public Member Functions

Private Attributes