GATE CSE · 2024 · CS
Question 46: Operating System
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Question 46
CSMSQ2 marksNeeds review
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.
// code of T1 // code of T2
wait(s1); wait(s1);
x = x+1; x = x+1;
print(x); print(x);
wait(s2); signal(s2);
signal(s1); signal(s1);
Which of the following outcomes is/are possible when threads T1 and T2 execute concurrently?
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2024CS
GATE CSE 2024 · Paper 2
Computer Science and Information Technology · Original paper archive
- Section
- Computer Science and Information Technology
- Question type
- Multiple select (MSQ)
- Marks
- 2 marks
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