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The following Java 5+ example [6] is a thread-safe implementation, using lazy initialization with double-checked locking. public class Singleton ...
While the implementation is an efficient thread-safe "singleton" cache without synchronization overhead, and better performing than uncontended synchronization, [4] the idiom can only be used when the construction of Something is guaranteed to not fail.
Thread safe, MT-safe: Use a mutex for every single resource to guarantee the thread to be free of race conditions when those resources are accessed by multiple threads simultaneously. Thread safety guarantees usually also include design steps to prevent or limit the risk of different forms of deadlocks , as well as optimizations to maximize ...
In software engineering, double-checked locking (also known as "double-checked locking optimization" [1]) is a software design pattern used to reduce the overhead of acquiring a lock by testing the locking criterion (the "lock hint") before acquiring the lock.
Here's what you need to know in order to make the safest trip possible. New Year's Day. Northeast: Leftover snow and strong winds are expected in the interior from northern New England to western ...
ThreadSafe is a source code analysis tool that identifies application risks and security vulnerabilities associated with concurrency in Java code bases, using whole-program interprocedural analysis.
Top transfer portal target Eric Singleton Jr., who led Georgia Tech in receiving each of the past two seasons, is on his way to Auburn, the school announced Monday. Singleton was rated as the No ...
The other way, of course is not to use lazy-initialization and to create the singleton in the general scope of your program, before the main. This even remove the use of locks. But if your singleton is expensive to create, or rely on some resource, this is the only thread-safe way to go.