Abstract typeintro
Semaphore
Also called counting semaphore, binary semaphore.
Integer counter with atomic wait (P) and signal (V) operations, introduced by Dijkstra.
Integer counter with atomic wait (P) and signal (V) operations, introduced by Dijkstra.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
Tag AHWX4C Edit this page History Report an error