Practice Handling Signals - 6.6.2 | 6. Communication Between Kernel and User Space | Embedded Linux
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Handling Signals

6.6.2 - Handling Signals

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the SIGINT signal signify?

💡 Hint: Think about common user actions within terminal applications.

Question 2 Easy

What function can be used to register a signal handler?

💡 Hint: Recall the name that deals with signals.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of a signal in Linux?

To communicate with hardware
To notify processes of events
To handle memory allocation

💡 Hint: Focus on how the kernel interacts with processes.

Question 2

True or False: A signal can directly terminate a process without any registered handler.

True
False

💡 Hint: Consider what happens without specific instructions from the process.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a C program that uses sigaction() to set up a signal handler for SIGQUIT. What should happen when SIGQUIT is received?

💡 Hint: Think about how to structure the program to include signal setup.

Challenge 2 Hard

Discuss what issues might arise from using the signal() function versus sigaction(). Which is recommended for modern applications?

💡 Hint: Consider how portability and reliability affect signal handling.

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