Computer Sciences > Gate 2024 Set-2 > Thread
Consider a multi-threaded program with two threads T1 and T2. The threads share two semaphores: s1 (initialized to 1) and s2 (initialized to 0). The threads also share a global variable x (initialized to 0). The threads execute the code shown below.
Which of the following outcomes is/are possible when threads T1 and T2 execute concurrently?
A
T1 runs first and prints 1, T2 runs next and prints 2
B
T2 runs first and prints 1, T1 runs next and prints 2
C
T1 runs first and prints 1, T2 does not print anything (deadlock)
D
T2 runs first and prints 1, T1 does not print anything (deadlock)

Correct : a

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