Use Thread Confinement To Support Concurrency

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Java Concurrency: Thread Confinement - DZone Java

    https://dzone.com/articles/java-concurrency-thread-confinement
    Thread Confinement. Most concurrency problems occur only when we want to share a mutable variable, or mutable state, between threads. If a mutable state is shared between multiple threads, then all of them will be able to read and modify the value of the …

java - Thread Confinement - Stack Overflow

    https://stackoverflow.com/questions/6261910/thread-confinement
    Jun 15, 2012 · Here, the UnsafeStuff is allocated within the method and goes out of scope when the method returns.. In other words, the Java spec is ensuring statically that the object is always confined to one thread. So, it is not the runtime condition or the way you use it that is ensuring the confinement, but more the Java spec.

Chapter 19: Concurrency — Definitive Guide to Jython ...

    https://jython.readthedocs.io/en/latest/chapter19/
    Thread Confinement¶ Thread confinement is often the best solution to resolve most of the problems seen in working with mutable objects. In practice, you probably don’t need to share a large percentage of the mutable objects used in your code. Very simply put, if you don’t share, then thread safety issues …

Thread Confinement Sharing Objects

    https://flylib.com/books/en/2.558.1/thread_confinement.html
    Many concurrency errors in Swing applications stem from improper use of these confined objects from another thread. Another common application of thread confinement is the use of pooled JDBC (Java Database Connectivity) Connection objects.

kotlinx.coroutines/shared-mutable-state-and-concurrency.md ...

    https://github.com/Kotlin/kotlinx.coroutines/blob/master/docs/shared-mutable-state-and-concurrency.md
    Aug 25, 2019 · Volatiles are of no help; Thread-safe data structures; Thread confinement fine-grained; Thread confinement coarse-grained; Mutual exclusion; Actors; Shared mutable state and concurrency. Coroutines can be executed concurrently using a multi-threaded dispatcher like the Dispatchers.Default. It presents all the usual concurrency problems.

NSManagedObjectContextConcurrencyType - Core Data Apple ...

    https://developer.apple.com/documentation/coredata/nsmanagedobjectcontextconcurrencytype
    case confinement Concurrency Type Specifies that the context will use the thread confinement pattern.

[JavaSpecialists 218] - Thread Confinement

    https://www.javaspecialists.eu/archive/Issue218.html
    Thread Confinement. After studying Brian Goetz's excellent Java Concurrency in Practice book over a period of about 10 months in order to write my Concurrency Specialist Course, I came to the conclusion that two of the most useful tricks for ensuring thread safety are "stack confinement" and "thread confinement". In "stack confinement", we ensure that an object never escapes from a method.

Java Concurrency - KnowledgeShop

    https://fizalihsan.github.io/technology/java-concurrency.html
    Sun wrote green threads to enable Java to work in environments that do not have native thread support. Uses cooperative multitasking - dangerous; Native thread. Uses underlying OS native threads; Can be scheduled across cores in multi-core or multiprocessor systems; Performs better than green threads even in single-core; Atomicity. Compound Action Anti-Patterns

What is Thread Confinement? - Quora

    https://www.quora.com/What-is-Thread-Confinement
    May 03, 2013 · Thread Confinement is basically used to avoid external synchronization If data is only accessed from a single thread, no synchronization is needed. This is one of the simplest ways to achieve thread safety. Common application of thread confinement is the use of pooled JDBC Connection objects. The JDBC Connection objects are not thread safe.



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