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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int i = 0;
  5. static int j = 0;
  6.  
  7. struct Foo {
  8. void not_thread_safe() const { ++i; }
  9. void not_thread_safe2() const { ++j; }
  10. void not_thread_safe3() const { static int i = 0; ++i; }
  11. };
  12.  
  13. int main() {
  14. 	const Foo f;
  15.     f.not_thread_safe();
  16.     f.not_thread_safe2();
  17.     f.not_thread_safe3();
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 3408KB
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stdout 
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https://ideone.com/HFURvd
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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