ft_sigaction.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_sigaction.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ralopez- <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/03/10 13:46:35 by ralopez-          #+#    #+#             */
/*   Updated: 2023/03/10 13:46:35 by ralopez-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

void	ignore_sigquit(void)
{
	struct sigaction	act;

	ft_memset(&act, 0, sizeof(act));
	act.sa_handler = SIG_IGN;
	sigaction(SIGQUIT, &act, NULL);
}

void	signal_reset_prompt(int signal)
{
	if (signal == SIGINT)
	{
		(void)signal;
		g_info.last_code = 130;
		printf("\n");
		rl_on_new_line();
		rl_replace_line("", 0);
		rl_redisplay();
	}
	else if (signal == SIGQUIT)
		SIG_IGN ;
}

void	signal_print_newline(int signal)
{
	(void)signal;
	rl_on_new_line();
}

void	set_signals_interactive(void)
{
	struct sigaction	act;

	ignore_sigquit();
	ft_memset(&act, 0, sizeof(act));
	act.sa_handler = &signal_reset_prompt;
	sigaction(SIGINT, &act, NULL);
}

/**
 * set_signals_noninteractive:
 * This function is called to make sure that the shell will ignore
 * SIGINT and SIGQUIT signals. This is done to prevent the shell from
 * exiting when the user presses Ctrl-C, Ctrl-\ or Ctrl-D.
 * 
*/
void	set_signals_noninteractive(void)
{
	struct sigaction	act;

	ft_memset(&act, 0, sizeof(act));
	act.sa_handler = &signal_print_newline;
	sigaction(SIGINT, &act, NULL);
	sigaction(SIGQUIT, &act, NULL);
}