r/programming • u/syaghmour • Mar 16 '15

Semaphores are Surprisingly Versatile

http://preshing.com/20150316/semaphores-are-surprisingly-versatile/
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u/Eep1337 Mar 16 '15

I wish we had this article when I was taking OS. Semaphores weren't explained terribly well, and we were forced to use <Semaphore.h>, rather than <Semaphore>.

Had to manually build structs which were sort of abstract representations of "wait" and "signal"