Process synchronization refers to the coordination of simultaneous threads or processes to complete a task in order to get correct runtime order and avoid unexpected race conditions.
There are many types of synchronization:
barrier
lock/semaphore
thread join
mutex
non-blocking synchronization
synchronous communication operations (see: Comparison of synchronous and asynchronous signalling)
A synchronization point is the location, in a process or collection of threads or processes, where the synchronization occurs. The interaction of synchronization points is one of the objects of study in the theory of concurrent computing.
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