Here in this section of Operating System Long Questions and Answers,We have listed out some of the important Long Questions with Answers on Deadlock ignorance or Ostrich Algorithm which will help students to answer it correctly in their University Written Exam.
Lists of Long Descriptive type Questions that may be asked in Written Exams.
- (1) Explain deadlock ignorance. OR Explain Ostrich Algorithm.
- Pretend (imagine) that there’s no problem.
- This is the easiest way to deal with problem.
- This algorithm says that stick your head in the sand and pretend (imagine) that there is no problem at all.
- This strategy suggests to ignore the deadlock because deadlocks occur rarely, but system crashes due to hardware failures, compiler errors, and operating system bugs frequently, then not to pay a large penalty in performance or convenience to eliminate deadlocks.
This method is reasonable if
- Deadlocks occur very rarely
- Cost of prevention is high
- UNIX and Windows take this approach
- Resources (memory, CPU, disk space) are plentiful
- Deadlocks over such resources rarely occur
- Deadlocks typically handled by rebooting
- Trade off between convenience and correctness
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