#ifndef SIGCAT_H
#define SIGCAT_H
#include <csse2310a3.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define SIGMIN 1
#define SIGMAX 31

// Holds the current output stream
FILE *outputStream;

/* setup_default_handlers()
 * ------------------------
 * Sets up handlers for signals 1-31 excluding 9, 19, 10 and 12
 */
void setup_default_handlers(void);

/* default_signal_handler()
 * ------------------------
 * The default handler for signals, prints to the current output_stream
 * For example: sigcat recieved Hangup
 *
 * s: the signal number
 */
void default_signal_handler(int s);

/* usr_signal_handler()
 * ------------------------
 * The USR handler for signals, changes the output_stream based on the signal
 * recieved. SIGUSR1 sets the output_stream to stdout and SIGUSR2 sets the
 * output_stream to stderr
 *
 * s: the signal number
 */
void usr_signal_handler(int s);

#endif