Top "Barrier" questions

A barrier is a synchronization method for a group of threads or processes and means they must stop at this point and cannot proceed until all other threads/processes reach this barrier.

Implementing an N process barrier using semaphores

I'm currently training for an OS exam with previous iterations and I came across this: Implement a "N Process Barrier", …

operating-system computer-science semaphore systems-programming barrier
Real-life use cases of barriers (DSB, DMB, ISB) in ARM

I understand that DSB, DMB, and ISB are barriers for prevent reordering of instructions. I also can find lots of …

arm barrier
Implementing boost::barrier in C++11

I've been trying to get a project rid of every boost reference and switch to pure C++11. At one point, …

multithreading c++11 barrier
In OpenCL, what does mem_fence() do, as opposed to barrier()?

Unlike barrier() (which I think I understand), mem_fence() does not affect all items in the work group. The OpenCL …

opencl gpgpu memory-barriers barrier memory-fences
What is the correct way to implement thread barrier, and barrier resetting in C?

I tried to implement a simple barrier in my code that looks like this: void waitOnBarrier(int* barrier, int numberOfThreads) { …

c multithreading x86 barrier
Synchronize threads for pthread_cond_broadcast call

I have a simple application with a "manager" thread that spawns ten simple "worker" threads. I want all of the "…

c pthreads mutex conditional-statements barrier