Files
42_INT_07_minishell/srcs/signals.c
LuckyLaszlo ab2aa509df signals and termios WIP
+ shell script placeholder
+ generics functions
+ valgrind add_history() supp
+ misc
2021-10-30 16:39:24 +02:00

85 lines
2.6 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* signals.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/23 18:56:53 by lperrey #+# #+# */
/* Updated: 2021/10/30 14:28:08 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void sigint_handler(int signum)
{
// Comment virer LE ^D De l'affichage ? Il ne fait pas partie de "rl_line_buffer".
if (rl_line_buffer && *rl_line_buffer)
{
return ;
}
else
{
free_exit(g_all, g_all->last_exit_status);
}
return ;
}
/* void sigquit_aka_eof_handler(int signum)
{
//ft_putstr_fd("TESTS\n", 1);
ft_putstr_fd("\n", 1);
rl_replace_line("", 1);
rl_on_new_line();
rl_redisplay();
return ;
} */
int set_signals_handling(struct sigaction *ori_signal_behaviour,
struct sigaction *signal_behaviour)
{
ori_signal_behaviour->sa_handler = SIG_DFL;
/* ctrl-D exit the shell.
eof = ^D; */
signal_behaviour->sa_handler = sigint_handler;
sigaction(SIGINT, signal_behaviour, NULL);
/* ctrl-\ do nothing.
quit = ^\; */
signal_behaviour->sa_handler = SIG_IGN;
//signal_behaviour->sa_handler = sigquit_aka_eof_handler;
sigaction(SIGQUIT, signal_behaviour, NULL);
/*
** remap (^D to ^C) and (^C to ^D) in terminal
** ^D is now "SIGINT" (handle here)
** ^C is now EOF (handle in shell_loop())
*/
return (1);
}
/*
ctrl-C print a new prompt on a newline.
intr = ^C;
ctrl-D exit the shell.
eof = ^D;
ctrl-\ do nothing.
quit = ^\;
*/
/*
speed 38400 baud; rows 22; columns 90; line = 0;
erase = ^?; kill = ^U;
eol = M-^?; eol2 = M-^?;
swtch = M-^?; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V;
discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 hupcl -cstopb cread -clocal -crtscts
-ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff -iuclc ixany
imaxbel iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke
-flusho -extproc
*/