Operating Systems - Deadlocks and Threads
Learn about deadlocks and threads in computer operating systems with this free online computer OS course.
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Whether or not a deadlock arises in an operating system depends on many different factors. To detect a deadlock, the OS needs to keep track of current resource allocation and current request allocation. This course will teach you the three main ways to handle deadlocks: by detection and recovery, avoidance, or prevention. You will then study the Dining Philosopher’s problem and the role of mutex in deadlocks. You will also learn what semaphore and mutual exclusions are.
You will then look into paralyzation and learn how threads are used within it. Threads are execution entities and light-weight processes, while user threads and kernel threads are two strategies for managing threads. The course will discuss the difference between threads and processes, and describe how threads are created and destroyed. You will study how different operating systems support threads in different ways and learn how a Graphics Processing Unit (GPU) perform thousands of tasks in parallel.
This course on the important concepts of deadlocks and threads is part of a series of Operating Systems courses. This series includes Introduction to Memory Management, Introduction to Operating Systems Processes, Understanding Hardware and Software Interrupts, Introduction to Scheduling, and Introduction to Synchronization. Each course is designed to help you enhance your computer programming skills, so once you have completed this course make sure to check the rest out!
Module 1: Understanding Deadlocks
Dining Philosophers Problem
Introduction to Deadlocks
Dealing with Deadlocks
Module 2: Understanding Threads
Module 3: Operating Systems – Deadlocks and Threads Assessment
Having completed this course you will be able to:
- Explain the dining philosopher’s problem;
- Define the role of mutex;
- Explain the concept of semaphores;
- Define what is meant by mutual exclusion;
- List the conditions for resource deadlock;
- Explain how deadlocks are detected;
- Define what is meant by paralysation;
- Explain how threads are used in paralyzation;
- Describe how threads are created and destroyed;
- Distinguish between threads and processes;
- Explain how different operating systems supports threads in different ways.
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