Recent questions tagged Multithreading

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multithreading - iOS Are methods called by delegates and observers executed on the main thread?

Sorry, I'm not sure of the right language here, but when methods are called because they are either delegate methods, ... UI stuff }); TIA: John See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to stop uninterruptible threads in Java

I have a Java application that I CAN'T EDIT that starts a java.lang.Thread that has this run() method ... such uninterruptible threads in Java? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to read a file using multiple threads in Java when a high throughput(3GB/s) file system is available

I understand that for a normal Spindle Drive system, reading files using multiple threads is inefficient. This is a ... to multi-thread I/O. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - emit Qt signal from non Qt Thread or ouside Qt main event loop with at 4.5

I'm calling a emit signal1() from a non Qt thread. By non Qt thread I mean not from the GUI Event Loop and ... thus the slot as well) ? thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java: waiting on synchronized block, who goes first?

This question is inspired by this other question. If multiple threads are waiting on a synchronized block, and ... multiple waiting threads)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - In a multithreaded Java program, does each thread have its own copy of System.out?

I'm writing a multithreaded Java program where each thread potentially needs its standard output redirected to a ... global across all threads? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to force cpu core to flush store buffer in c?

I have an application which has 2 threads , thread A affinity to core 1 and thread B affinity to core 2 , ... early as possible in my case . See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - C++11 threads to update MFC application windows. SendMessage(), PostMessage() required?

After spending a bit of time with simple UWP applications with C++/CX and ++/WinRT I have begun to enjoy ... the thread that made the call. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - run threads of class member function in c++

As the title says. The following is my code skeleton. class CLASS { public: void A(); private: DWORD ... environment. can anybody help please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java Lock variable assignment before use. Why?

In a lot of of the Java source, (for example LinkedBlockingDeque) I see things like this; final ReentrantLock ... is simply equivalent. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Tracking Java thread creation and lifetime

Are there any tools available to track the creation and lifetime of Java threads? I would be interested in all ... lifetime of the run() method See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Threads within threads in Java?

I am currently thinking about how to design a multithreading system in Java that needs to do some ... theoretical solution with references? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - boost mutex C++/CLI problems

I'm developing in Visual Studio 2008 C# for 64bit and I want to use to use a library which uses boost. So ... worked. Does anyone have an idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - c# thread method

If I have a public void Method(int m) { ... } how can I create a thread to this method? Thread t = new Thread ... ); t.Start(m); is not working. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Start() vs run() for threads in Python?

I'm a little bit confused. I'm trying to start a thread in a loop, i.e.: while True: my_thread.start() ... , can I pass variables into start()? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Concurrent read/write of named pipe in Java (on windows)

I'm trying to provide communication between a C# app and a Java app on windows using named pipes with the ... for input in another thread? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - python: how to send packets in multi thread and then the thread kill itself

I have a question. I'd like to send a continuous streams of byte to some host for certain amount of ... reach the other thread right? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

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multithreading - Why is run() not immediately called when start() called on a thread object in java

Or is it? I have a thread object from: Thread myThread = new Thread(pObject); Where pObject is an object of a ... ) right after start(). Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Why is Having More Threads than Cores Faster?

I've implemented a version of PageRank in a multithreaded version. I'm running it on a 4-core Q6600. When I ... ask. It really has me puzzled. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java: Handling exceptions in child threads

I prefer to have the exception handling logic further up in the call stack, near the main method. I like this ... main thread/code re-use). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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673 views

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multithreading - Java - Stop a long running thread which accesses database

I start couple of threads, but I do not have their references to stop by signalling or something. For example, ... running sql query from Java. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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709 views

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multithreading - How to make a thread limit in Java

Let's say I have 1000 files to read and because of some limits, I want to read maximum 5 files in parallel. And, ... ++; while (counter > 5); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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682 views

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multithreading - Does node.js use threads/thread pool internally?

I've decided to familiarize myself with node.js and have read a several articles on the subject. What remained ... run on a different thread? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Java ExecutorService pause/resume a specific thread

Is there a way to use ExecutorService to pause/resume a specific thread? private static ExecutorService threadpool ... for this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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multithreading - Getting exclusive system-wide lock in Java

I'm re-working a Java executable that may be started multiple times, and I want the process to proceed ... can I achieve this functionality? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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625 views

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multithreading - Confusion about the lock statement in C#

This is from MSDN: The lock keyword ensures that one thread does not enter a critical section of code while another thread is ... "B"); } } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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581 views

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multithreading - Is C#'s using statement abort-safe?

I've just finished reading "C# 4.0 in a Nutshell" (O'Reilly) and I think it's a great book for ... how does the using statement behave exactly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

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multithreading - Why does Python threading.Condition() notify() require a lock?

My question refers specifically to why it was designed that way, due to the unnecessary performance implication. ... am I missing something? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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