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ft_minishell_signal.c
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ft_minishell_signal.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_minishell_signal.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jtaylor <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/07/17 17:55:35 by jtaylor #+# #+# */
/* Updated: 2019/08/07 14:01:03 by jtaylor ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
/*
** signal (3) is really interesting
**
** at a very basic level signal (3) is a pretty wrapper for sigaction (2)
** you pass it a bitmask for which signal you are going to handle
** and it makes a new thread that listens for that signal
** ie [ signal(signal_mask, function_pointer) ]
**
** the man for signal (3) and sigaction (2) was very informative and will
** explain how this works much better than i would have
*/
void process_signal_handle(int sig)
{
if (sig == SIGINT)
{
write(1, "\n", 1);
signal(SIGINT, process_signal_handle);
}
}
/*
** this handles the signal values for the minishell program , will make a diff
** function for handling signals on the processes
** ie C-c // ctrl-c
*/
void minishell_signal_handle(int signum)
{
if (signum == SIGINT)
{
write(1, "\n", 1);
ft_minishell_exit_shell();
signal(SIGINT, minishell_signal_handle);
}
}