In computer science, a semaphore is a protected variable or abstract data type which constitutes the classic method for restricting access to shared resources such as shared memory in a parallel programming environment. A counting semaphore is a counter for a set of available resources, rather than a locked/unlocked flag of a single resource.
In computing, a process is an instance of a computer program that is being sequentially executed by a computer system that has the ability to run several computer programs concurrently. Thread A single process may contain several executable programs (threads) that work together as a coherent whole. One thread might, for example, handle error signals, […]
The static function when declared within a specific module is scoped only in that module and can only be accessed from it.
When a array is passed to a function, the array is internally changed to a ‘pointer’. And pointers are always passed by reference.