Re: signalling a condvar from inside vs. signalling a condvar von outside

Am 20.04.2025 um 07:43 schrieb Chris M. Thomasson:

On 4/19/2025 9:29 PM, Bonita Montero wrote:

That's what I do after pushing n items to the queue:
>
             if( !m_nWaiting )
                 return;
             if( n >= m_nWaiting )
                 m_cv.notify_all();
             else
                 do
                     m_cv.notify_one();
                 while( --n );
>
>
What's more efficient, notifying all threads individually or
notifying all threads at once ?

 again, only broadcast hen you have to! wow.

You're simply silly. If I have more items in the queue
than waiting threads a broadcast is more efficient.