To make technologies simpler
by A Mutex is basically a lock that is locked before accessing any critical section of code to ensure only one thread at a time can access it. Mutex is unlocked when the thread is done processing. Thus, mutex can also be thought as “Mutually exclusive flag” to ensure all other threads are blocked to a certain section of code when one thread is already accessing it.
(more…)by A program in execution is called a process. There can be multiple instances of a program running in the system which are identified by a unique id called process id. Operating System ensures that each process has a unique id which is always a non-negative integer number.
A thread is a lightweight process which can only be used inside a process. Like process, thread also has a unique identifier to identify threads which are called thread ids. Unlike process ids, thread ids are only unique to a process and one process threads are unknown to other process.
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