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  1. #include <signal.h>
  2. #include <memory>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main() {
  7.     std::shared_ptr<void(int)> handler(
  8.         signal(SIGFPE, [](int signum) {throw std::logic_error("FPE"); }),
  9.         [](__sighandler_t f) { signal(SIGFPE, f); });
  10.  
  11.     int i = 0;
  12.  
  13.     cin >> i;  // what if someone enters zero?
  14.  
  15.     try {
  16.         i = 1/i;
  17.     }
  18.     catch (std::logic_error e) {
  19.         std::cerr << e.what();
  20.     }
  21. }
Runtime error #stdin #stdout #stderr 0s 3416KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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terminate called after throwing an instance of 'std::logic_error'
  what():  FPE
https://ideone.com/PkTiXo
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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