atomic

相关标签：javascript jquery android 多少钱 iPhone

Memory model ordering and visibility?

I tried looking for details on this, I even read the standard on mutexes and atomics... but still I couldnt understand the C++11 memory model visibility guarantees.[详细]

2023-04-05 21:17 分类：问答
Is there a way in c++11 to prevent "normal" operations from sliping before or after atomic operation

I\'m interested in doing something like(single thread update, multiple threads read banneedURLs): atomic<bannedURLList*> bannedURLs;//global variable pointing to the currently used instance o[详细]

2023-04-05 08:13 分类：问答
How to handle integer overflows with atomic increment and compare-and-swap operations?

I am writing开发者_Go百科 a bit of code that implements an (unsigned) integer counter. It is used from an arbitrary number of threads.[详细]

2023-04-04 23:04 分类：问答
Are there any atomic javascript operations to deal with Ajax's asynchronous nature?

I am dynamically loading code (functions) from a server a开发者_如何学运维nd executing it as javascript code then storing itin an array and executing. All these snippets of code must be executed exact[详细]

2023-04-02 04:50 分类：问答
Accessing atomic<int> of C++0x as non-atomic

I have an atomic variable in my program of type atomic<int>. At some places I don\'t need to access the 开发者_运维知识库value in it atomically, as I just check if its 0 or not. In other words,[详细]

2023-04-01 09:41 分类：问答
How to do an efficient rollback, when using both INNODB and MyISAM tables, within a transaction?

I have read the related questions posted here, But what i don\'t get is what if we have to use both MyISAM and INNODB...in such a case if we have DML\'s in a tr开发者_StackOverflow中文版ansaction INNO[详细]

2023-04-01 09:22 分类：问答
How to atomically pop random element?

Is there a way to atomically pop (remove and retrieve) a random element with MongoDB - like Redis\'s SPOP?[详细]

2023-04-01 06:01 分类：问答
Will this execute without any race condition

Suppose I have this code executed by two different threads T1 and T2 that might be running on two different cores. Note that this code gets executed repeatedly and x is initially 0, so that T1 passes[详细]

2023-03-31 12:20 分类：问答
How fast is access to atomic variables in C++

My question is how fast is access to atomic variables in C++ by using the C++0x actomic<> class? What goes down at the cache level. Say if one thread is just reading it, would it need to go down to[详细]

2023-03-31 06:26 分类：问答
Atomically read/write int value w/o additional operation on the int value itself

GCC offers a nice set of built-in functions for atomic operations. And being on MacOS or iOS, even Apple offers a nice set of atomic functions. However, all these functions perform an operation, e.g.[详细]

2023-03-29 16:12 分类：问答