71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* shell_init.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/12 17:23:59 by jhalford #+# #+# */
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/* Updated: 2017/03/14 21:50:11 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static t_cliopts shell_opts[] =
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{
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{'c', NULL, SH_OPTS_LC, SH_OPTS_JOBC | SH_INTERACTIVE, NULL},
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{-1, "no-jobcontrol", 0, SH_OPTS_JOBC, NULL},
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{0, 0, 0, 0, 0},
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};
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static int interactive_settings(void)
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{
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int *shell_pgid;
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t_data *data;
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data = data_singleton();
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DG("interactive shell settings");
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shell_pgid = &data->jobc.shell_pgid;
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while (tcgetpgrp(STDIN) != (*shell_pgid = getpgrp()))
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kill(-*shell_pgid, SIGTTIN);
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signal(SIGINT, sigint_handler);
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signal(SIGQUIT, SIG_IGN);
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signal(SIGTSTP, sigtstp_handler);
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signal(SIGTTIN, SIG_IGN);
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signal(SIGTTOU, SIG_IGN);
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signal(SIGCHLD, SIG_DFL);
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signal(SIGWINCH, sigwinch_resize);
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*shell_pgid = getpid();
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if (setpgid(*shell_pgid, *shell_pgid))
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{
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ft_dprintf(2, "Couldnt put the shell in it's own process group");
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exit (1);
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}
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tcsetpgrp(STDIN, *shell_pgid);
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tcgetattr(STDIN, &data->jobc.shell_tmodes);
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return (0);
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}
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int shell_init(int ac, char **av)
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{
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t_data *data;
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data = data_singleton();
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data_init(ac, av);
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if (isatty(STDIN) && !*cliopts_getdata(av))
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{
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DG("interactive");
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data->opts |= SH_INTERACTIVE;
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data->opts |= SH_OPTS_JOBC;
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}
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else
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DG("non interactive");
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if (cliopts_get(av, shell_opts, data))
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return (ft_perror());
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if (SH_IS_INTERACTIVE(data->opts))
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interactive_settings();
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else
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DG("not interactive");
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return (0);
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}
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