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84 lines
2.2 KiB
Swift
84 lines
2.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-build-swift %import-libdispatch -target %target-swift-5.1-abi-triple -enable-actor-data-race-checks -parse-as-library %s -o %t/a.out -module-name main
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// RUN: %target-codesign %t/a.out
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// We specifically test for legacy behavior here, apps compiled against old SDKs
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// will be able to have this behavior, however new apps will not. We use the
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// overrides to test the logic for legacy code remains functional.
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//
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// RUN: %env-SWIFT_UNEXPECTED_EXECUTOR_LOG_LEVEL=1 %env-SWIFT_IS_CURRENT_EXECUTOR_LEGACY_MODE_OVERRIDE=legacy %target-run %t/a.out 2>&1 | %FileCheck %s --dump-input=always
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// REQUIRES: executable_test
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// REQUIRES: concurrency
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// REQUIRES: libdispatch
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// rdar://76038845
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// REQUIRES: concurrency_runtime
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// UNSUPPORTED: back_deployment_runtime
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// UNSUPPORTED: single_threaded_concurrency
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import _Concurrency
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import Dispatch
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// For sleep
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#if canImport(Darwin)
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import Darwin
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#elseif canImport(Glibc)
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import Glibc
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#elseif canImport(Android)
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import Android
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#endif
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@MainActor func onMainActor() {
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print("I'm on the main actor!")
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}
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func promiseMainThread(_ fn: @escaping @MainActor () -> Void) -> (() -> Void) {
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typealias Fn = () -> Void
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return unsafeBitCast(fn, to: Fn.self)
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}
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func launchTask(_ fn: @escaping () -> Void) {
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if #available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 8.0, *) {
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DispatchQueue.global().async {
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fn()
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}
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}
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}
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func launchFromMainThread() {
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launchTask(promiseMainThread(onMainActor))
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}
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actor MyActor {
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var counter = 0
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func onMyActor() {
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counter = counter + 1
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}
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func getTaskOnMyActor() -> (() -> Void) {
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return {
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self.onMyActor()
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}
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}
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}
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@main
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struct Runner {
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static func main() async {
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print("Launching a main-actor task")
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// CHECK: data race detected: @MainActor function at main/data_race_detection_legacy_warning.swift:32 was not called on the main thread
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launchFromMainThread()
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sleep(1)
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let actor = MyActor()
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let actorFn = await actor.getTaskOnMyActor()
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print("Launching an actor-instance task")
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// CHECK: data race detected: actor-isolated function at main/data_race_detection_legacy_warning.swift:61 was not called on the same actor
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launchTask(actorFn)
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sleep(1)
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}
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}
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