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server.c
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server.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* server.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jalwahei <jalwahei@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/11/25 15:13:36 by jalwahei #+# #+# */
/* Updated: 2022/12/12 15:14:50 by jalwahei ### ########.fr */
/* */
/* ************************************************************************** */
#include <signal.h>
#include <unistd.h>
int ft_printf(const char *str, ...);
void handler(int sig)
{
static char byte;
static int bits_received;
bits_received++;
byte <<= 1;
if (sig == SIGUSR1)
byte |= 1;
if (bits_received == 8)
{
write(1, &byte, 1);
byte = 0;
bits_received = 0;
}
}
int main(int argc, char **argv)
{
int pid;
(void)argv;
if (argc != 1)
{
ft_printf("\e[0;31mError: Wrong format \nTry ./server\n");
return (0);
}
pid = getpid();
ft_printf("\e[0;94mPID %d\n", pid);
ft_printf("\e[0;94mWaiting for Message...\n");
while (argc == 1)
{
signal(SIGUSR1, handler);
signal(SIGUSR2, handler);
pause ();
}
return (0);
}