1#include <signal.h>
 2
 3int siginterrupt(int sig, int flag)
 4{
 5	struct sigaction sa;
 6
 7	sigaction(sig, 0, &sa);
 8	if (flag) sa.sa_flags &= ~SA_RESTART;
 9	else sa.sa_flags |= SA_RESTART;
10
11	return sigaction(sig, &sa, 0);
12}