nus/cs2106/lectures/l5/4.c

22 lines
351 B
C

#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
void myOwnHandler(int signo) {
if (signo == SIGSEGV) {
printf("Memory Access blows up!\n");
exit(1);
}
}
int main() {
int *ip = NULL;
if (signal(SIGSEGV, myOwnHandler) == SIG_ERR)
printf("Failed to register handler\n");
*ip = 123;
return 0;
}