Linus Torvalds (torvalds.delete@this.linux-foundation.org) on January 3, 2020 7:05 pm wrote: > Beastian (no.email.delete@this.aol.com) on January 3, 2020 11:46 am wrote: > > I'm usually on the other side of these primitives when I write code as a consumer of them, > > but it's very interesting to read about the nuances related to their implementations: > > The whole post seems to be just wrong, an
I’ve seen a lot of poorly implemented spinlocks floating around the internet. They all make the same mistake: spinning on a read-modify-write (RMW) operation. I will explain why that’s bad and how to correctly implement a spinlock in C++. The explanation and implementation will easily carry over to other programming languages. At the end of the note I provide a complete spinlock implementation adh
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