class Sync::Mutex

• Sync::Mutex
• Reference
• Object

Overview

A mutual exclusion lock to protect critical sections.

A single fiber can acquire the lock at a time. No other fiber can acquire the lock while a fiber holds it.

This lock can for example be used to protect the access to some resources, with the guarantee that only one section of code can ever read, write or mutate said resources.

NOTE Consider Exclusive(T) to protect a value T with a Mutex.

Included Modules

• Sync::Lockable

Defined in:

mutex.cr

Constructors

• .new(type : Type = :checked)

Instance Method Summary

• #lock : Nil

  Acquires the exclusive lock.

• #synchronize(& : -> U) : U forall U

  Acquires the exclusive lock for the duration of the block.

• #unlock : Nil

  Releases the exclusive lock.

Constructor Detail

Instance Method Detail