-#include <stdlib.h>
#include <signal.h>
int siginterrupt(int sig, int flag)
{
struct sigaction sa;
- sigaction(sig, NULL, &sa);
+ sigaction(sig, 0, &sa);
if (flag) sa.sa_flags &= ~SA_RESTART;
else sa.sa_flags |= SA_RESTART;
- return sigaction(sig, &sa, NULL);
+ return sigaction(sig, &sa, 0);
}