Semaphore Notes: Definitions & Explanations PDF Download
Study Semaphore lecture notes PDF with operating system definitions and explanation to study “What is Semaphore?”. Study semaphore explanation with operating system terms to review operating system course for online degree programs.
Semaphore Definition:
An integer value used for signaling among processes.
Operating Systems by William Stallings
Semaphore Notes:
A semaphore is a variable or abstract data type used to control access to a common resource by multiple processes in a concurrent system such as multitasking operating system. Semaphores are integer variables that are used to solve the critical section problem using two atomic operations, wait and signal.
Keep Learning with Operating System Notes
What is Preemption?
Preemption is the act of temporarily interrupting a task being executed by a computer system, without requiring its cooperation, and ...
What is Job Control Language?
Job Control Language is a language for describing jobs to the operating system. The operating system allocates its time and ...
What is Weak Semaphore?
A semaphore that doesn't specify order in which processes are removed from the queue is a weak semaphore. The main ...
What is Binary Tree?
A binary tree is a data structure in which each node can have maximum of two children known as left ...
What is Process State?
Process state is the information provided to the operating system in order for it to manage the processes according to ...
What is Locality of Reference?
Locality of Reference also called Principle of Locality, is the tendency of a processor to access the same set of ...