WebSo one way to do this is this: while (!condition) cv.wait (lock); or this, using lambdas: cv.wait (lock, [] { return condition; }); So cv.notify_one () is simply a hint that a condition might have changed, not an order to wake up the thread. WebJan 5, 2012 · In general the answer to "when should I use a mutex" is "never, if you can help it". Threads should send messages, not share state. This makes a mutex most of …

Mutex - how to enforce only one instance of App? - wxWidgets

WebA recursive mutex is a lockable object, just like mutex, but allows the same thread to acquire multiple levels of ownership over the mutex object. This allows to lock (or try-lock) the mutex object from a thread that is already locking it, acquiring a new level of ownership over the mutex object: the mutex object will actually remain locked owning the thread … WebAug 16, 2024 · 1. I'm new for threads and mutex and ı trying to learn them. I write some code that generally create a queue that enqueue all of the numbers from the file ( this file … sidewall linear diffuser mounting

Read-Write mutex with shared_mutex - ncona.com

Web2 days ago · 0. I've a singleton logger class which will be used to write data into a single file and I'm just wondering how to handle the ofstream object incase of application crash. … WebApr 11, 2024 · std::remove () in C++ is used for deleting files. It takes a file name as an argument and removes the file if it exists. If the file cannot be removed, it returns a non-zero value indicating an error, otherwise, it returns zero to indicate success. You can use std::remove () in your C++ programs when you need to delete a file programmatically. WebMar 17, 2010 · The question was made a long time ago but merely to update the post, now you can use inline variable: inline static std::mutex mx; that does the ODR rule, solving … side wall mounted pergola