Module semaphore

An asynchronous counting semaphore.

A semaphore limits the number of tasks which may execute concurrently. See the Semaphore type’s documentation for details.

Structs

• Acquire
  The future returned by the Semaphore::acquire method.
• AcquireOwned
  Future returned from Semaphore::acquire_owned().
• OwnedPermit
  An owned RAII guard representing one or more permits acquired from a Semaphore.
• Permit
  A RAII guard representing one or more permits acquired from a Semaphore.
• Semaphore
  An asynchronous counting semaphore.

Enums

• TryAcquireError
  Errors returned by Semaphore::try_acquire.