Top "Mutex" questions

Map with concurrent access

When you use a map in a program with concurrent access, is there any need to use a mutex in …

map go mutex

Python multiprocessing safely writing to a file

I am trying to solve a big numerical problem which involves lots of subproblems, and I'm using Python's multiprocessing module (…

python io multiprocessing mutex

Usage of Mutex in c#

I am a bit new in threading in c# and on general, in my program I am using mutex to …

c# multithreading mutex

How efficient is locking an unlocked mutex? What is the cost of a mutex?

In a low level language (C, C++ or whatever): I have the choice in between either having a bunch of …

multithreading locking mutex blocking

Object synchronization method was called from an unsynchronized block of code. Exception on Mutex.Release()

I have found different articles about this exception but none of them was my case. Here is the source code: …

c# .net multithreading mutex

Is using a Mutex to prevent multiple instances of the same program from running safe?

I'm using this code to prevent a second instance of my program from running at the same time, is it …

c# winforms mutex single-instance

Is it possible to determine the thread holding a mutex?

Firstly, I use pthread library to write multithreading C program. Threads always hung by their waited mutexs. When I use …

c linux multithreading pthreads mutex

Check to see if a pthread mutex is locked or unlocked (After a thread has locked itself)

I need to see if a mutex is locked or unlocked in an if statement so I check it like …

c pthreads deadlock mutex

C: How do you declare a recursive mutex with POSIX threads?

I am a bit confused on how to declare a recursive mutex using pthread. What I try to do is …

c multithreading pthreads mutex recursive-mutex

What does std::thread.join() do?

By definition from C++ reference: Blocks the current thread until the thread identified by *this finishes its execution. So does …

c++ multithreading mutex