1 #include <signal.h> 2 sigignore(int sig)3 int 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 } 12