Considering all valid interleavings of this code, select all possible outputs #i

Question

Considering all valid interleavings of this code, select all possible outputs #include "csapp.h" int main(O pid t pid[2]: int descent0 printf ("A%d ", pid[0]fork) if (pid[0] 0) descent++ descent); { /* child */ printf ("B%d ", descent); else printf ("dIn", descent) pid[1]fork) if (pid[1] 0)/* child descent++ printf ("D%d ", descent); else t printf ("E%d ", descent); if (descent> 0) exit(0) printf ("F%d ", descent); exit(0) O AO B1 E1 EO FO D1 CO D2 AO B1 D2 CO D1 EO E1 FO AO CO B1 EO FO E1 D1 D2 AO CO EO D1 E1 B1 D2 FO AO CO EO FO B1 D1 E1 D2 AO B1 E1 CO D1 EO D2 FO AO CO EO FO B1 E1 D1 D2

Explanation / Answer

Observe the code

Option 1, 3 and 7 correct.

A0 B1 E1 E0 F0 D1 C0 D2

A0 C0 B1 E0 F0 E1 D1 D2

A0 C0 E0 F0 B1 E1 D1 D2

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