Abstraction over the operations of a semaphore.
Constructors
AbstractSemacquireSem :: IO ()releaseSem :: IO ()
Moduleghc-10.0.0.20260917GHC2024
GHC.Driver.MakeSem
Implementation of a jobserver using system semaphores.
Contents
Synopsis
- data AbstractSem
- value withAbstractSem
- Packageghc-10.0.0.20260917
- Exports2
- LanguageGHC2024
- LicenceBSD-3-Clause
- SourceMakeSem.hs
Abstract semaphores
Acquire/release bracket pattern: acquire a token, perform an action, and release the token.
Guarantees that the token is released in case that the inner action throws an exception.