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1answer
45views
how to create a new client connection FROM the Server-side using python socket programming?
I'm using python socket programming to build a mock VPN service. the way I want it to work is that the server is launched, then the user client (Host-U) is launched. The Server should send a message ...
2votes
1answer
99views
How to start multiple threads exactly at once?
While evaluating thread pool libraries for short-running tasks, I noticed that they all performed significantly worse than OpenMP. The root cause seems to be that other libraries struggle to start ...
- 259
Best practices
0votes
2replies
28views
How to use Android Print Framework in a multithreaded app when PrintedPdfDocument is not thread-safe?
I am implementing custom document printing using Android’s Print Framework.Using the Android's documentation link as reference: https://developer.android.com/training/printing/custom-docsThe flow I ...
- 447
3votes
0answers
104views
Memory leak in JNI with AttachCurrentThread() and DetachCurrentThread()
I have a Java application that calls a native function. That native function has a loop and in each iteration launches 10 threads and waits for them to complete. Each thread just does a number of ...
- 6,010
0votes
1answer
97views
Deferred cancellation in C [duplicate]
I am learning on how threads can be cancelled. Asynchronous cancellation can cancel the thread at any given point in time, but what I have learned about deferred cancellation is that it can only be ...
0votes
1answer
100views
Get System.Timers.Timer to fire on a WPF Window's thread using the Timer's SynchronizingObject
I tried setting the SynchronizingObject like this:timer.SynchronizingObject = this;//The Windowbut VS told me I need an explicit cast. So I did that and the error went away.timer....
- 28k
0votes
3answers
101views
Threading in Rust with mutable objects
I'm quite new to rust and want to do two function in parallel.shoot(&fleet_a, &mut fleet_b)shoot(&fleet_b, &mut fleet_a)since they only take information from one and modify some ...
1vote
1answer
54views
Actix-web + Tokio: Server hangs when using tokio::spawn with Arc<Mutex> loop
I am facing an issue where my Actix-web server starts correctly, but the moment I hit the /upload_chunk endpoint from my frontend, the request hangs forever.After some debugging, I found that the ...
- 73
0votes
1answer
82views
I have two simple Python functions with time.sleep and reading data so I/O-bound but I don't get expected behavior from threading and asyncio
Previously I had a question on an example of multiprocessing which you can see in the following linkI used a 2 workers pool to split a sum in a function with Python multiprocessing but the timing ...
2votes
1answer
141views
How is a non-parallelized for loop inside an OpenMP parallel section executed?
Consider the following code:#pragma omp parallelfor (int run = 0; run < 10; run++){ std::vector<int> out; #pragma omp for for (int i = 0; i < 1'000'000; i++) { ... }}...
- 7,515
Advice
1vote
13replies
121views
C# - lock multiple methods or entire class to single thread execution
I am trying to ensure that methods in my class can only be called by a single thread.So far tried to use ReaderWriterLockSlim to achieve this effect but this can cause potential issues if it is not ...
- 33
Best practices
0votes
3replies
67views
Is there anyway to get physical disk Idle time without 1 second wait needed for PerformanceCounter.NextValue function?
I trying to develop user-friendly program that do not block physical disk with 100% usage (so even entering My Computer takes around 10 seconds).My program calculate hash for many (180k) small files ...
- 4,190
0votes
1answer
50views
VSPackage fibers stack tracing
I am trying to display the stack traces of RTOS fibers running in a C++ solution in VS2022. Since upgrading to Windows 11 there seems to be a problem in the implementation. The existing approach, ...
0votes
2answers
136views
compare_exchange_strong failed to update the expected value
I am trying to implement a lock-free multiple-producer-single-consumer ring buffer in C++. Here is the full definition and the test code.#include <iostream>#include <memory>#include <...
5votes
2answers
195views
Is there a difference between the C# Volatile.ReadBarrier vs Volatile.Read?
In the released .NET 10 there is a new method added to the Volatile class with the name ReadBarrier().And I don't know whether from the compilers perspective there is a difference if I do a read with ...
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