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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend-emit-module -emit-module-path %t/FakeDistributedActorSystems.swiftmodule -module-name FakeDistributedActorSystems %S/../Inputs/FakeDistributedActorSystems.swift
// RUN: %target-build-swift -module-name main %import-libdispatch -j2 -parse-as-library -Xfrontend -disable-availability-checking -I %t %s %S/../Inputs/FakeDistributedActorSystems.swift -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: distributed
// REQUIRES: libdispatch
// rdar://76038845
// UNSUPPORTED: use_os_stdlib
// UNSUPPORTED: back_deployment_runtime
// FIXME(distributed): Distributed actors currently have some issues on windows rdar://82593574
// UNSUPPORTED: OS=windows-msvc
import Dispatch
import Distributed
import FakeDistributedActorSystems
typealias DefaultDistributedActorSystem = FakeRoundtripActorSystem
final class NaiveQueueExecutor: TaskExecutor {
let queue: DispatchQueue
init(_ queue: DispatchQueue) {
self.queue = queue
}
public func enqueue(_ _job: consuming ExecutorJob) {
let job = UnownedJob(_job)
queue.async {
job.runSynchronously(on: self.asUnownedTaskExecutor())
}
}
@inlinable
public func asUnownedTaskExecutor() -> UnownedTaskExecutor {
UnownedTaskExecutor(ordinary: self)
}
}
distributed actor Worker {
let expectedQueue: DispatchQueue
init(expectedQueue: DispatchQueue, actorSystem: ActorSystem) {
self.expectedQueue = expectedQueue
self.actorSystem = actorSystem
}
distributed func test(x: Int) throws {
dispatchPrecondition(condition: .onQueue(expectedQueue))
print("test: executed on expected queue: \(expectedQueue)")
}
}
@main struct Main {
static func main() async {
let queue = DispatchQueue(label: "example-queue")
let executor = NaiveQueueExecutor(queue)
let worker = Worker(expectedQueue: queue, actorSystem: DefaultDistributedActorSystem())
// CHECK: | assign id
// CHECK: | actor ready
await withTaskExecutorPreference(executor) {
try! await worker.test(x: 42)
// CHECK: test: executed on expected queue
}
print("OK") // CHECK: OK
}
}
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