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server.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* server.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: atabiti <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/01/06 11:21:03 by atabiti #+# #+# */
/* Updated: 2022/01/17 11:17:16 by atabiti ### ########.fr */
/* */
/* ************************************************************************** */
#include "minitalk.h"
void ft_putchar(char c)
{
write(1, &c, 1);
}
void ft_putnbr(int n)
{
if (n > 9)
{
ft_putnbr(n / 10);
ft_putnbr(n % 10);
}
if (n < 10)
{
ft_putchar(n + 48);
}
}
static int g_char;
void ft_checker(int i)
{
if (i == 7)
g_char = g_char + 128;
if (i == 6)
g_char = g_char + 64;
if (i == 5)
g_char = g_char + 32;
if (i == 4)
g_char = g_char + 16;
if (i == 3)
g_char = g_char + 8;
if (i == 2)
g_char = g_char + 4;
if (i == 1)
g_char = g_char + 2;
if (i == 0)
g_char = g_char + 1;
}
void anas_bit_handler(int sig, siginfo_t *info, void *other)
{
static int i = 0;
static int sender_pid;
if (sender_pid != info->si_pid && info->si_pid != 0)
{
sender_pid = info->si_pid;
i = 0;
g_char = 0;
}
if (sig == SIGUSR2)
{
ft_checker(i);
i++;
}
if (sig == SIGUSR1)
{
i++;
}
if (i >= 8)
{
write(1, &g_char, 1);
g_char = 0;
i = 0;
}
}
int main(void)
{
struct sigaction whattodo;
int n;
n = getpid();
ft_putchar(' ');
ft_putnbr(n);
ft_putchar('\n');
whattodo.sa_sigaction = &anas_bit_handler;
whattodo.sa_flags = SA_SIGINFO;
sigaction(SIGUSR2, &whattodo, NULL);
sigaction(SIGUSR1, &whattodo, NULL);
while (1337)
pause();
}