//			Default disposition
#define SIGINT	1	// terminate
#define SIGCHLD	2	// ignored
#define SIGSEGV	3	// terminate
#define SIGUSR1	4	// ignored
#define SIGKILL 5	// terminate / cannot be caught, blocked or ignored

#define MAXSIG	5

#define SIG_DFL 0
#define SIG_IGN -1

#define DIS_TERM	0
#define DIS_IGNORE	1