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fork-permutation

Mar 3rd, 2015
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C 0.54 KB | None | 0 0
  1. int a = 0;
  2. printf("Hello World!\n");
  3.  
  4. if (fork() == 0) {
  5.     a++;
  6.     printf ("La variabile a vale %d\n", a);
  7. } else {
  8.     a--;
  9.     printf ("La variabile a vale %d\n", a);
  10. }
  11. printf ("Fine! \n");
  12.  
  13. /*
  14. Caso1:
  15.  
  16. Hello World!
  17. La variabile a vale 1
  18. Fine
  19. La variabile a vale -1
  20. Fine
  21.  
  22. Caso2:
  23.  
  24. Hello World!
  25. La variabile a vale 1
  26. La variabile a vale -1
  27. Fine
  28. Fine
  29.  
  30. Caso3:
  31.  
  32. Hello World!
  33. La variabile a vale -1
  34. La variabile a vale 1
  35. Fine
  36. Fine
  37.  
  38. Caso4:
  39.  
  40. Hello World!
  41. La variabile a vale -1
  42. Fine
  43. La variabile a vale 1
  44. Fine
  45. */
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