Recent questions tagged Multithreading

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multithreading - iPhone multi-threaded AddressBook manipulation

I have been using the AddressBook api of the iPhone for some time now. But doing some refactoring to improve ... or some other issue? Cheers See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Does "volatile" guarantee anything at all in portable C code for multi-core systems?

After looking at a bunch of other questions and their answers, I get the impression that there is no widespread ... , for multi-core targets. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - RabbitMQ and channels Java thread safety

in this guide https://www.rabbitmq.com/api-guide.html RabbitMQ guys state: Channels and Concurrency Considerations ( ... not. Thanks in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - import inside of a Python thread

I have some functions that interactively load python modules using __import__ I recently stumbled upon some article about ... What do you think? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C++ Thread in member function

can I use thread in member function to call a member function for C++ in windows? If yes, how to implement it? ... ){ printf("hello"); } Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - download a file in java using multi threading

I'm working on a downloader similar to IDM, I hava read This post about it. and I have implement my first-steps of ... .SEVERE, null, ex); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Is Java eager singleton creation thread safe?

I like the simplicity of the "eager singleton" in java, and most articles about it call its creation thread safe. ... if the field is not final? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - What is Erlang's concurrency model actually?

I was reading a paper recently Why Events are Bad. The paper is a comparative study of Event based and thread ... /message of some sort. /Arun See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Create a simple queue with Java threads

I'm trying to create a simple queue with Java Thread that would allow a loop, say a for loop with 10 ... achieve this the most painless way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Would process with more threads on linux have more cpu time than process with one thread?

Would a process with more threads on Linux have more cpu time than a process with one thread? In Linux processes ... about IO in this sense? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Iterator type in java (weakly consistent)

I understand fail-fast (LinkedList) and fail-safe (copyonwrite) iterators, however weakly consistent remains a ... easily throw an exception. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to wait for completion of multiple tasks in Java?

What is the proper way to implement concurrency in Java applications? I know about Threads and stuff, of course, I ... what do I do in Java? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Why can't a Java Thread object be restarted?

I know that it is not possible to restart a used Java Thread object, but I don't find an explanation why this is ... } // main } // class See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Does x86_64 CPU use the same cache lines for communicate between 2 processes via shared memory?

As known all levels of cache L1/L2/L3 on modern x86_64 are virtually indexed, physically tagged. And ... virtually indexed, physically tagged) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to set memory limit for thread or process in python?

I'm writing program in Python which would be able to run untrusted python code in some kind of sandbox. ... sandboxed environment. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How can I use Perl's system call to spawn independent threads?

I would like to call other Perl scripts in order to perform a contention test from with a main Perl script. ... Thanks for any help in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - most simple way to start a new process/thread in PHP

Scenario: Shared hosting, so no ability to install new extensions + no CRON A submitted request needs to perform some ... best way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - memory barrier and atomic_t on linux

Recently, I am reading some Linux kernel space codes, I see this uint64_t used; uint64_t blocked; used = ... barrier macro is full fence? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Can I ensure that Haskell performs atomic IO?

I have two threads in haskell that perform IO. (They print only). Something like the following: thread1 ... thread completes its IO atomically? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Python multiprocessing pool inside daemon process

I opened up a question for this problem and did not get a thorough enough answer to solve the issue (most likely ... here, it would be amazing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Why no Timer class in Python's multiprocessing module?

So the threading module has a Timer class inhereted from Thread class to repeatedly execute some tasks. I was ... Or am I missing something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java ThreadPool usage

I'm trying to write a multithreaded web crawler. My main entry class has the following code: ExecutorService ... with exaustion of producers. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Does synchronized keyword prevent reordering in Java?

Suppose I have the following code in Java a = 5; synchronized(lock){ b = 5; } c = 5; Does synchronized ... in any way the JVM chooses right? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How can I detect a ThreadAbortException in a finally block? (.NET)

I have some critical logic in a finally block (with an empty try block), because I want to guarantee that ... within the critical logic are } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - When to use lock vs MemoryBarrier in .NET

In .NET the lock keyword is syntactic sugar around Monitor.Enter and Monitor.Exit, so you could say that this ... I understand its usage of. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Resuming suspended thread in Delphi 2010?

TThread's resume method is deprecated in D2010. So, I thought it should now work like this: TMyThread = class ( ... . What am I missing here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - What is the benefit of ThreadGroup in java over creating separate threads?

Many methods like stop(), resume(), suspend() etc are deprecated. So is it useful to create threads using ThreadGroup? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java: Thread sequential order

Following code found that output results is not the order, not from small to large, how to guarantee it is order from ... " + value); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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