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c1491c8022
the new NonisolatedNonsendingByDefault upcoming feature breaks remote calls in distributed actors, because the expected isolation doesn't match and the runtime swift_distributed_execute_target_resume will crash. This is a short term fix to unblock adopters, however preferably we should mark the thunks as nonisolated(nonsending), though that seems to be more involved. resolves rdar://159247975
66 lines
2.1 KiB
Swift
66 lines
2.1 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend-emit-module -emit-module-path %t/FakeDistributedActorSystems.swiftmodule -module-name FakeDistributedActorSystems -target %target-swift-5.7-abi-triple %S/../Inputs/FakeDistributedActorSystems.swift
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// RUN: %target-build-swift -module-name main -target %target-swift-5.7-abi-triple -j2 -parse-as-library -I %t %s %S/../Inputs/FakeDistributedActorSystems.swift -o %t/a.out
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// RUN: %target-codesign %t/a.out
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// RUN: %target-run %t/a.out | %FileCheck %s --enable-var-scope
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// REQUIRES: executable_test
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// REQUIRES: concurrency
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// REQUIRES: distributed
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// rdar://76038845
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// UNSUPPORTED: use_os_stdlib
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// UNSUPPORTED: back_deployment_runtime
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// FIXME(distributed): Distributed actors currently have some issues on windows, isRemote always returns false. rdar://82593574
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// UNSUPPORTED: OS=windows-msvc
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import Distributed
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import FakeDistributedActorSystems
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typealias DefaultDistributedActorSystem = FakeRoundtripActorSystem
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distributed actor Greeter: CustomStringConvertible {
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distributed func echo(name: String) -> String {
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return "Echo: \(name) (impl on: \(self.id))"
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}
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distributed func error() throws -> String {
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throw SomeError()
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}
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nonisolated var description: String {
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"\(Self.self)(\(id))"
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}
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}
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struct SomeError: Error {}
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// ==== Test -------------------------------------------------------------------
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func test() async throws {
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let system = DefaultDistributedActorSystem()
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let local = Greeter(actorSystem: system)
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let ref = try Greeter.resolve(id: local.id, using: system)
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let reply = try await ref.echo(name: "Caplin")
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// CHECK: > encode argument name:name, value: Caplin
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// CHECK-NOT: > encode error type
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// CHECK: > encode return type: Swift.String
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// CHECK: > done recording
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// CHECK: >> remoteCall
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// CHECK: > decode return type: Swift.String
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// CHECK: > decode argument: Caplin
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// CHECK: << onReturn: Echo: Caplin (impl on: ActorAddress(address: "<unique-id>"))
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print("got: \(reply)")
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// CHECK: got: Echo: Caplin (impl on: ActorAddress(address: "<unique-id>"))
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}
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@main struct Main {
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static func main() async {
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try! await test()
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}
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}
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