pid_t child, child_pgid = -1, waitpid_ret;
	ssize_t read_ret;
	time_t currtime;
	char *argv[3], *envv[512];
	char *logfile, *filename, *cwd, *user, *group;
	char logmsg[2048];
	fd_set read_fdset;
	int pipe_ret, setsid_ret, execve_ret, tcl_ret, select_ret, chdir_ret;
	int null_fd, log_fd, tmp_fd, max_fd;
	int env_entry_objc;
	int fds[2], fd;
	int status;
	int idx;

	/* 1. Parse arguments */

	}

	/* 6. Setup environment */
	/* 6.a. Set umask */
	umask(umask_val);

	/* 6.b. Set working directory */
	chdir_ret = chdir(cwd);
	if (chdir_ret != 0) {
		write(fd, &child_pgid, sizeof(child_pgid));

		_exit(0);
	}

	/* 6.c. Open log file for stderr and stdout */
	log_fd = open(logfile, O_WRONLY | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);

	/* 6.d. Open "/dev/null" for stdin */
	null_fd = open("/dev/null", O_RDONLY);
	if (null_fd < 0 || log_fd <0) {