6.6.1 - What are Signals?
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Practice Questions
Test your understanding with targeted questions
What is a signal in the context of operating systems?
💡 Hint: Think of something that lets an application know something important has happened.
What does SIGINT signal represent?
💡 Hint: What do you do to stop a running program in the terminal?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the SIGINT signal do?
💡 Hint: Think about how you stop a process in the terminal.
True or False: SIGTERM allows a process to clean up before exiting.
💡 Hint: Is this a polite way to ask a program to stop?
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a program that uses signal handling to manage multiple signals, including SIGINT and SIGTERM. Describe how your program would respond to each.
💡 Hint: Think about how you can differentiate between friendly and unfriendly termination requests.
Explain how signal masks can be used in a multithreaded program to manage signals effectively.
💡 Hint: Consider how to prevent a worker from stopping mid-task while still allowing user feedback.
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