1#include <signal.h>
 2
 3int sigignore(int sig)
 4{
 5	struct sigaction sa;
 6
 7	sigemptyset(&sa.sa_mask);
 8	sa.sa_handler = SIG_IGN;
 9	sa.sa_flags = 0;
10	return sigaction(sig, &sa, 0);
11}