minishell/sources/signal_handler.c
Maieul BOYER 1d4fd27f97
update
2024-07-18 15:08:49 +02:00

106 lines
2.8 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* signal_handler.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/02 13:22:14 by maiboyer #+# #+# */
/* Updated: 2024/07/18 14:53:14 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/signal_handler.h"
#include "me/fs/fs.h"
#include "me/printf/printf.h"
#include "me/types.h"
#include "signal.h"
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
typedef struct s_sig_pending t_sig_pending;
struct s_sig_pending
{
int pending_signal[1024];
int pending_signal_data[1024];
t_usize length;
};
t_sig_pending *get_sig_pending()
{
static t_sig_pending data = {};
return (&data);
}
t_error append_signal(int signal, int signal_data)
{
}
void sigint_handle(int sig, siginfo_t *info, void *ucontext)
{
(void)(sig);
(void)(info);
(void)(ucontext);
write_fd(get_stdout(), (void *)"\n", 1, NULL);
// TODO: change this to the linenoise verison
// rl_replace_line("", 0);
// rl_on_new_line();
// rl_redisplay();
}
void sigquit_handle(int sig, siginfo_t *info, void *ucontext)
{
(void)(sig);
(void)(info);
(void)(ucontext);
write_fd(get_stdout(), (void *)"\n", 1, NULL);
// rl_replace_line("", 0);
// rl_on_new_line();
// rl_redisplay();
}
void sigsegv_handle(int sig, siginfo_t *info, void *ucontext)
{
(void)(sig);
(void)(info);
(void)(ucontext);
me_eprintf("Abort: SEGFAULT!!!\n");
print_trace();
exit(139);
}
t_error install_signal(void)
{
struct sigaction data;
data = (struct sigaction){};
data.sa_sigaction = sigint_handle;
data.sa_flags = SA_SIGINFO | SA_NOCLDWAIT;
if (sigaction(SIGINT, &data, NULL))
return (ERROR);
data.sa_sigaction = sigquit_handle;
if (sigaction(SIGQUIT, &data, NULL))
return (ERROR);
data.sa_handler = SIG_DFL;
sigemptyset(&data.sa_mask);
if (sigaction(SIGTSTP, &data, NULL))
return (ERROR);
if (sigaction(SIGTTIN, &data, NULL))
return (ERROR);
if (sigaction(SIGTTOU, &data, NULL))
return (ERROR);
data.sa_handler = SIG_IGN;
if (sigaction(SIGCHLD, &data, NULL))
return (ERROR);
// data.sa_sigaction = sigsegv_handle;
// if (sigaction(SIGSEGV, &data, NULL))
// return (ERROR);
return (NO_ERROR);
}