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server.c
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server.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* server.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ofadhel <ofadhel@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/20 09:57:32 by ofadhel #+# #+# */
/* Updated: 2023/04/09 19:40:08 by ofadhel ### ########.fr */
/* */
/* ************************************************************************** */
#include "minitalk.h"
void stoc(int sig, siginfo_t *info, void *context)
{
static int bit;
static int word;
(void)context;
if (sig == SIGUSR1)
word += 1 << bit;
bit++;
if (bit == 8)
{
write (1, &word, 1);
if (word == '\0')
{
kill(info->si_pid, SIGUSR2);
}
word = 0;
bit = 0;
}
}
int main(int argc, char **argv)
{
int pid;
struct sigaction act;
(void)argv;
if (argc != 1)
{
printf("ERROR, No arguments needed!\n");
return (1);
}
ft_printf("PID : ");
pid = getpid();
ft_printf("%d\n", pid);
act.sa_sigaction = stoc;
act.sa_flags = 0;
while (argc == 1)
{
sigaction(SIGUSR1, &act, NULL);
sigaction(SIGUSR2, &act, NULL);
}
return (0);
}