/*
================================================================================
  RPL/2 (R) version 4.1.32
  Copyright (C) 1989-2020 Dr. BERTRAND Joël

  This file is part of RPL/2.

  RPL/2 is free software; you can redistribute it and/or modify it
  under the terms of the CeCILL V2 License as published by the french
  CEA, CNRS and INRIA.
 
  RPL/2 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 CeCILL V2 License
  for more details.
 
  You should have received a copy of the CeCILL License
  along with RPL/2. If not, write to info@cecill.info.
================================================================================
*/


#include "rpl-conv.h"


/*
================================================================================
  Fonction 'memlock'
================================================================================
  Entrées :
--------------------------------------------------------------------------------
  Sorties :
--------------------------------------------------------------------------------
  Effets de bord : néant
================================================================================
*/

void
instruction_memlock(struct_processus *s_etat_processus)
{
	(*s_etat_processus).erreur_execution = d_ex;

	if ((*s_etat_processus).affichage_arguments == 'Y')
	{
		printf("\n  MEMLOCK ");

		if ((*s_etat_processus).langue == 'F')
		{
			printf("(verrouille le processus en mémoire)\n\n");
			printf("  Aucun argument\n");
		}
		else
		{
			printf("(lock process in memory)\n\n");
			printf("  No argument\n");
		}

		return;
	}
	else if ((*s_etat_processus).test_instruction == 'Y')
	{
		(*s_etat_processus).nombre_arguments = -1;
		return;
	}

	if (test_cfsf(s_etat_processus, 31) == d_vrai)
	{
		if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
		{
			return;
		}
	}

#	if _POSIX_MEMLOCK > 0
		if (mlockall(MCL_CURRENT | MCL_FUTURE) != 0)
		{
			(*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
			return;
		}
#	else
		if ((*s_etat_processus).langue == 'F')
		{
			printf("+++Attention : Verrouillage en mémoire du processus "
					"indisponible !\n");
		}
		else
		{
			printf("+++Warning : Lock process in memory not available !\n");
		}

		fflush(stdout);
#	endif

	return;
}


/*
================================================================================
  Fonction 'memunlock'
================================================================================
  Entrées :
--------------------------------------------------------------------------------
  Sorties :
--------------------------------------------------------------------------------
  Effets de bord : néant
================================================================================
*/

void
instruction_memunlock(struct_processus *s_etat_processus)
{
	(*s_etat_processus).erreur_execution = d_ex;

	if ((*s_etat_processus).affichage_arguments == 'Y')
	{
		printf("\n  MEMUNLOCK ");

		if ((*s_etat_processus).langue == 'F')
		{
			printf("(déverrouille le processus de la mémoire)\n\n");
			printf("  Aucun argument\n");
		}
		else
		{
			printf("(unlock process from memory)\n\n");
			printf("  No argument\n");
		}

		return;
	}
	else if ((*s_etat_processus).test_instruction == 'Y')
	{
		(*s_etat_processus).nombre_arguments = -1;
		return;
	}

	if (test_cfsf(s_etat_processus, 31) == d_vrai)
	{
		if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
		{
			return;
		}
	}

#	if _POSIX_MEMLOCK > 0
		if (munlockall() != 0)
		{
			(*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
			return;
		}
#	else
		if ((*s_etat_processus).langue == 'F')
		{
			printf("+++Attention : Verrouillage en mémoire du processus "
					"indisponible !\n");
		}
		else
		{
			printf("+++Warning : Lock process in memory not available !\n");
		}

		fflush(stdout);
#	endif

	return;
}

// vim: ts=4