Create server2.c

server2.c

@@ -0,0 +1,42 @@
+#include "minitalk.h"
+
+static void	handle_signal(int sig, siginfo_t *info, void *context);
+
+int	main(void)
+{
+	struct sigaction	action;
+
+	ft_putstr_fd("Server PID: ", 1);
+	ft_putnbr_fd(getpid(), 1);
+	ft_putchar_fd('\n', 1);
+	action.sa_sigaction = handle_signal;
+	action.sa_flags = SA_SIGINFO;
+	sigaction(SIGUSR1, &action, 0);
+	sigaction(SIGUSR2, &action, 0);
+	while (1)
+		pause();
+	return (0);
+}
+
+static void	handle_signal(int sig, siginfo_t *info, void *context)
+{
+	static int				bit_count;
+	static unsigned char	c;
+
+	(void)context;
+	c |= (sig == SIGUSR2);
+	if (++bit_count == 8)
+	{
+		bit_count = 0;
+		if (!c)
+		{
+			kill(info->si_pid, SIGUSR2);
+			info->si_pid = 0;
+			return ;
+		}
+		ft_putchar_fd(c, 1);
+		c = 0;
+	}
+	else
+		c <<= 1;
+}