📝 Process synchronization in Linux

📖 From Operating System • 5. Process Synchronization • 115 questions available

Practice MCQs for Process synchronization in Linux. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-09

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📝 Sample Questions

Q1. Which function reads the current value of an atomic integer in Linux?

🔹 A. atomic_get()

🔹 B. atomic_value()

🔹 C. atomic_read()

🔹 D. atomic_retrieve()

💡 Difficulty: easy | ✅ Correct: C

Q2. Why are atomic integers considered opaque data types in Linux?

🔹 A. Their internal structure is hidden from developers

🔹 B. They cannot be accessed directly

🔹 C. They are encrypted

🔹 D. They are only accessible in assembly

💡 Difficulty: medium | ✅ Correct: A

Q3. What does a call to preempt_enable() check after decrementing preempt_count?

🔹 A. The task's CPU time

🔹 B. If preempt_count is zero, it checks for pending reschedules

🔹 C. The task's priority

🔹 D. The number of running tasks

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Computer System Architecture 📝 Computer System Organization 📝 Computing Environments 📝 Kernel Data Structures 📝 Memory Management

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