#ifndef SUBPROCESS_H
#define SUBPROCESS_H

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/socket.h>

pid_t pid = NULL;

int subprocess(char *command)
{
    int sp[2] = {0};

    if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == -1)
    {
        perror("socketpair");
        exit(EXIT_FAILURE);
    }

    pid = fork();

    if (pid == -1)
    {
        perror("fork");
        exit(EXIT_FAILURE);
    }

    if (!pid)
    {
        close(sp[0]);
        dup2(sp[1], STDIN_FILENO);
        dup2(sp[1], STDOUT_FILENO);
        dup2(sp[1], STDERR_FILENO);
        close(sp[1]);
        execlp(command, command, NULL);
        perror("execlp");
        exit(EXIT_FAILURE);
    }
    else
    {
        close(sp[1]);
        return sp[0];
    }
}
#endif