47 lines · cpp
1#include <stdio.h>2#include <stdlib.h>3 4int a(int);5int b(int);6int c(int);7 8int a(int val)9{10 if (val <= 1)11 return b(val);12 else if (val >= 3)13 return c(val);14 15 return val;16}17 18int b(int val)19{20 int rc = c(val);21 void *ptr = malloc(1024); // thread step-out of malloc into function b.22 if (!ptr)23 return -1;24 else25 printf("ptr=%p\n", ptr);26 return rc; // we should reach here after 3 step-over's.27}28 29int c(int val)30{31 return val + 3;32}33 34int main (int argc, char const *argv[])35{36 int A1 = a(1);37 printf("a(1) returns %d\n", A1);38 39 int B2 = b(2);40 printf("b(2) returns %d\n", B2);41 42 int A3 = a(3);43 printf("a(3) returns %d\n", A3);44 45 return 0;46}47