Module semaphore

A simple asynchronous semaphore for limiting and sequencing access to arbitrary shared resources.

Structs

Acquire

The [Future] returned by acquire, which resolves when the required number of permits becomes available.

AcquireError

An error which can occur when a Semaphore has been closed.

Permit

A permit representing access to the Semaphore’s guarded resource.

Semaphore

An unsynchronized (!Sync), simple semaphore for asynchronous permit acquisition.

Enums

TryAcquireError

An error which can occur when a Semaphore has been closed or has no available permits.