Discussion
Three of the following can be done from an interrupt handler. The exception is
Answer: D
Correct answer: taking a mutex
A mutex has an owner and supports priority inheritance, neither of which means anything in an interrupt handler - there is no task to own it and no priority to inherit. Worse, blocking on it would be fatal, since a handler cannot be suspended. The other three all have non-blocking from-interrupt variants.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development