#include <iostream> #include <thread> #include <mutex> int main() { std::atomic<bool> ready = false; std::thread threadB = std::thread([&]() { while (!ready) {} p...

Please explain why Busy Waiting is generally frowned upon whereas Spinning is often seen as okay. As far as I can tell, they both loop infinitely until some condition is met.

Microsoft Visual Studio 2019 shows a "Server Busy" dialog every time I open a dialog. A Procmon search for devenv.exe finds at least 100 NO SUCH FILE entries for the following file: C:\Us...

Are spin waits, spin loop and busy spin a different name for the same situation? I read different threads and they all seem related to a loop that is "busy" checking for the availability of a reso...

I have an MPI program which oversubscribes/overcommits its processors. That is: there are many more processes than processors. Only a few of these processes are active at a given time, though, so ...

I was trying to read from the STDOUT of a forked process. However, if I am reading from the pipe in an infinite for loop, it would be busy waiting even if no data is coming through the pipe (please...

In my code I have a loop that waits for some state to be changed from a different thread. The other thread works, but my loop never sees the changed value. It waits forever. However, when I put a S...

During our lessons in the university, we learned about Threads and used the "Busy Waiting" method for an example of a Car waiting at a TrafficLight. For this task we build three classes: Tr...

Is there a haskell library function to monitor a file without polling? With polling i would do someting like this: monitor file mtime handler = do threadDelay n -- sleep `n` ns t <- getModif...

I've got the following simple code: package main; import java.util.concurrent.*; public class Main { public static void main(String[] args) throws InterruptedException { new Main(); } publ...

From the Wikipedia article on Polling Polling, or polled operation, in computer science, refers to actively sampling the status of an external device by a client program as a synchronous activity....