Nektar::Thread::ThreadManagerStd::Barrier Class Reference

Lightweight barrier class. More...

Public Member Functions
	Barrier (std::size_t iCount)
void	Wait ()

Private Attributes
std::mutex	mMutex
std::condition_variable	mCond
std::size_t	mThreshold
std::size_t	mCount
std::size_t	mGeneration

Detailed Description

Lightweight barrier class.

Definition at line 60 of file ThreadStd.h.

Constructor & Destructor Documentation

Barrier()

Nektar::Thread::ThreadManagerStd::Barrier::Barrier ( std::size_t  iCount )

inlineexplicit

Definition at line 63 of file ThreadStd.h.

            : mThreshold(iCount), mCount(iCount), mGeneration(0)
        {
        }

Member Function Documentation

Wait()

void Nektar::Thread::ThreadManagerStd::Barrier::Wait ( )

inline

Definition at line 68 of file ThreadStd.h.

        {
            std::unique_lock<std::mutex> lLock{mMutex};
            auto lGen = mGeneration;
            if (!--mCount)
            {
                mGeneration++;
                mCount = mThreshold;
                mCond.notify_all();
            }
            else
            {
                mCond.wait(lLock, [this, lGen] { return lGen != mGeneration; });
            }
        }

References mCond, mCount, mGeneration, mMutex, and mThreshold.

Referenced by Nektar::Thread::ThreadManagerStd::v_Hold().

Member Data Documentation

mCond

std::condition_variable Nektar::Thread::ThreadManagerStd::Barrier::mCond

private

Definition at line 86 of file ThreadStd.h.

Referenced by Wait().

mCount

std::size_t Nektar::Thread::ThreadManagerStd::Barrier::mCount

private

Definition at line 88 of file ThreadStd.h.

Referenced by Wait().

mGeneration

std::size_t Nektar::Thread::ThreadManagerStd::Barrier::mGeneration

private

Definition at line 89 of file ThreadStd.h.

Referenced by Wait().

mMutex

std::mutex Nektar::Thread::ThreadManagerStd::Barrier::mMutex

private

Definition at line 85 of file ThreadStd.h.

Referenced by Wait().

mThreshold

std::size_t Nektar::Thread::ThreadManagerStd::Barrier::mThreshold

private

Definition at line 87 of file ThreadStd.h.

Referenced by Wait().