signals_utils.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   signals_utils.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rocky <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/09/06 13:43:47 by rocky             #+#    #+#             */
/*   Updated: 2024/09/06 13:43:49 by rocky            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "signals.h"
#include <readline/readline.h>
#include <readline/history.h>
#include <unistd.h>
#include "libft.h"
#include <sys/wait.h>
 
// Pulls ms_data into sigint handler, bypassing need of second global variable
t_signal_context    *get_context(t_ms_data *data)
{
    static t_signal_context *context = NULL;
 
    if (data != NULL)
    {
        if (!context)
        {
            context = malloc(sizeof(t_signal_context));
            if (!context)
                return (NULL);
        }
        context->data_cxt = data;
    }
    return (context);
}
 
void    handle_sigint_heredoc(int signo)
{
    (void)signo;
    g_heredoc_interrupted = 1;
}
 
int is_external_command_running(void)
{
    pid_t   child_pid;
 
    child_pid = waitpid(-1, NULL, WNOHANG);
    if (child_pid == 0)
        return (1);
    else
        return (0);
}