Semaphore as General Synchronization Tool o Counting semaphore-integer value can range over an unrestricted domain o Binary semaphore-integer value can range only between 0 and 1;can be simpler to implement Also known as mutex locks Semaphore S=new Semaphore(); S.acquire(); /critical section S.release(); /∥remainder sectionSemaphore as General Synchronization Tool  Counting semaphore – integer value can range over an unrestricted domain  Binary semaphore – integer value can range only between 0 and 1; can be simpler to implement  Also known as mutex locks