task_migration.h File Reference

This module defines function relative to task migration. More...

#include "../../include/kernel_pkg.h"
#include "packet.h"
#include "task_control.h"

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Functions
int	handle_migration (volatile ServiceHeader *, unsigned int)
void	migrate_dynamic_memory (TCB *)

Detailed Description

This module defines function relative to task migration.

HEMPS VERSION - 8.0 - support for RT applications

Distribution: June 2016

Created by: Marcelo Ruaro - contact: marce.nosp@m.lo.r.nosp@m.uaro@.nosp@m.acad.nosp@m..pucr.nosp@m.s.br

Research group: GAPH-PUCRS - contact: ferna.nosp@m.ndo..nosp@m.morae.nosp@m.s@pu.nosp@m.crs.b.nosp@m.r

Function Documentation

int handle_migration	(	volatile ServiceHeader *	p,
		unsigned int	master_address
	)

Handles all task migration packets, calling the appropriated sub-function.

Parameters

p	ServiceHeader pointer of the packet a generic task migration packet
master_address	Address of the kernel master of the slave processor

Returns

The necessity of call the scheduler, 1 - need scheduler, 0 not need scheduler

void migrate_dynamic_memory

(

TCB *

tcb_aux

)

This function os the core of task migration. It is called by the source processor (the older processor) Its job is to migrate to the new processor the dynamic data section that can change during task execution.

Parameters

tcb_aux

The TCB pointer of the task to be migrated