set_handler.h

#ifndef _SET_HANDLER_H
#define _SET_HANDLER_H

#include <stdlib.h>
#include <signal.h>

/**
 * Set a signal handler. Must compile with -D_POSIX_SOURCE.
 * @see `man 2 sigaction` for details.
 * @param int signal the signal to handle
 * @param void (*handler)(int) the handler function
 * @return int zero on success, -1 on error (@see sigaction())
 */
int set_handler(int signal, void (*handler)(int));

#endif