| //===----------------------------------------------------------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2020 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| import Swift |
| @_implementationOnly import _SwiftConcurrencyShims |
| |
| /// Common protocol to which all actor classes conform. |
| /// |
| /// The \c Actor protocol provides the core functionality of an actor class, |
| /// which involves enqueuing new partial tasks to be executed at some |
| /// point. Actor classes implicitly conform to this protocol as part of their |
| /// primary class definition. |
| public protocol Actor: AnyObject { |
| /// Enqueue a new partial task that will be executed in the actor's context. |
| func enqueue(partialTask: PartialAsyncTask) |
| } |
| |
| /// Called to initialize the default actor instance in an actor. |
| /// The implementation will call this within the actor's initializer. |
| @_silgen_name("swift_defaultActor_initialize") |
| public func _defaultActorInitialize(_ actor: AnyObject) |
| |
| /// Called to destroy the default actor instance in an actor. |
| /// The implementation will call this within the actor's deinit. |
| @_silgen_name("swift_defaultActor_destroy") |
| public func _defaultActorDestroy(_ actor: AnyObject) |
| |
| /// Called by the synthesized implementation of enqueue(partialTask:). |
| @_silgen_name("swift_defaultActor_enqueue") |
| public func _defaultActorEnqueue(partialTask: PartialAsyncTask, |
| actor: AnyObject) |
