minishell/src/sig/sig.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   sig.c                                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jguelen <jguelen@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/05/02 12:16:37 by kcolin            #+#    #+#             */
/*   Updated: 2025/05/05 12:03:56 by jguelen          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "sig.h"
#include "signal.h"
#include "sig_handlers.h"

int	g_signum = 0;

int	set_interactive_mode_sig_handling(void)
{
	struct sigaction	sig_act;

	ft_bzero(&sig_act, sizeof(struct sigaction));
	sig_act.sa_handler = &sig_interactive;
	sig_act.sa_flags |= SA_RESTART;
	if (sigemptyset(&sig_act.sa_mask) == -1)
		return (-1);
	if (sigaction(SIGINT, &sig_act, NULL) == -1)
		return (-1);
	sig_act.sa_handler = SIG_IGN;
	if (sigaction(SIGQUIT, &sig_act, NULL) == -1)
		return (-1);
	return (0);
}

int	set_exec_mode_sig_handling(void)
{
	struct sigaction	sig_act;

	ft_bzero(&sig_act, sizeof(struct sigaction));
	if (sigemptyset(&sig_act.sa_mask) == -1)
		return (-1);
	sig_act.sa_sigaction = &sig_cmd;
	sig_act.sa_flags |= SA_SIGINFO;
	sig_act.sa_flags |= SA_RESTART;
	if (sigaction(SIGINT, &sig_act, NULL) == -1)
		return (-1);
	if (sigaction(SIGQUIT, &sig_act, NULL) == -1)
		return (-1);
	return (0);
}

int	set_here_doc_mode_sig_handling(void)
{
	struct sigaction	sig_act;

	ft_bzero(&sig_act, sizeof(struct sigaction));
	if (sigemptyset(&sig_act.sa_mask) == -1)
		return (-1);
	sig_act.sa_sigaction = &sig_heredoc;
	sig_act.sa_flags |= SA_SIGINFO;
	if (sigaction(SIGINT, &sig_act, NULL) == -1)
		return (-1);
	sig_act.sa_handler = SIG_IGN;
	sig_act.sa_flags = 0;
	if (sigaction(SIGQUIT, &sig_act, NULL) == -1)
		return (-1);
	return (0);
}