atomic bomberman

[Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com] Atomic locks are a feature of multi-threaded programming. However, in normal software writing, there are not many atomic locks. There are many reasons for this. I think there are two main reasons. First, there are few introductions on

The Java.util.concurrent package (J.U.C) after Java5 is the work of the world-class concurrent Master Doug Lea, which mainly implements The corresponding atomic class of Integer/long in atomic package is mainly based on CAS; Some of the same steps, including Lock,countdownlatch,semaphore,futuretask, are based on the Abstractqueuedsynchronizer class; About the executors class of thread exec

Atomic and nonatomic are used to determine whether the compiler-generated getter and setter are atomic operations. AtomicWhen you set the @property property of a member variable, the default is atomic, which provides multithreading security.in a multithreaded environment, atomic operations are necessary, otherwise they

This article from: http://blog.163.com/hbu_lijian/blog/static/126129153201261722410353/ Kernel synchronization measures (for Linux kernel) To avoid concurrency and prevent competition. The kernel provides a set of Synchronization Methods to protect shared data. Our focus is not to introduce the detailed usage of these methods, but to emphasize the difference between these methods and them.The synchronization mechanism used in Linux has been continuously improved since 2.0 to 2.6. From the initia

I. Introduction In OpenMP, the thread synchronization mechanism includes the mutex lock synchronization mechanism and event synchronization mechanism. This section describes the atomic method in the mutex lock synchronization mechanism. Ii. mutex lock synchronization Concept The concept of mutex synchronization is similar to the criticalsection in windows, the mutex in Windows and Linux, and the semtake semgive in VxWorks (the semaphore is full durin

OC has nonatomic and atomic two choices when defining attributesAtomic: Atomic attribute, locking for setter method (default is Atomic)Nonatomic: Non-atomic attribute, does not lock the setter methodAtomic Plus Lock principle1 @property (assign, atomic) int age;2 3-(void) Se

This is a creation in Article, where the information may have evolved or changed. This article explains the common operations of sync.atomic in Golang The atomic operation provided by atomic ensures that only one goroutine can operate on the variable at any one time, and the use of atomic avoids a large number of lock operations in the program.

Atomic and nonatomic are used to determine whether the compiler-generated getter and setter are atomic operations.AtomicWhen you set the @property property of a member variable, the default is atomic, which provides multithreading security.In a multithreaded environment, atomic operations are necessary, otherwise they

In Java thread concurrency processing, there is a very big confusion about the use of a keyword volatile, for the use of this keyword, in the multi-threaded concurrent processing can be all right.The Java language is multi-threaded, in order to solve the problem of thread concurrency, the synchronization block synchronized and the volatile keyword mechanism are introduced inside the language. synchronizedSynchronization Block Everyone is more familiar with the Synchronized keyword to achieve, al

time to obtain a certain resource. if they remain in the waiting status, they will lead to a "live lock ", that is to say, it wastes both memory and CPU time, which is more terrible than the deadlock in the following sections. How can we use the powerful CPU time to do more? The following mode is introduced. 1.3 primitive kernel mode This mode is different from the user mode. It is provided by the Windows system and uses kernel functions in the operating system. Therefore, it can block threads

What is atomic operation? Atom (Atom) is meant to be "the smallest particle that cannot be further divided", whereas atomic manipulation (atomic operation) means "one or a series of operations that cannot be interrupted". When there are multiple threads in C # that operate on a variable at the same time, we should use atomic