Merge pull request #35704 from ktoso/wip-tasks-rev3

Author: swift-ci

include/swift/ABI/TaskStatus.h

@@ -25,7 +25,7 @@
 
 namespace swift {
 
-/// The abstract base class for all sttatus records.
+/// The abstract base class for all status records.
 ///
 /// TaskStatusRecords are typically allocated on the stack (possibly
 /// in the task context), partially initialized, and then atomically

stdlib/public/Concurrency/CMakeLists.txt

@@ -38,13 +38,13 @@ add_swift_target_library(swift_Concurrency ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} I
   Actor.swift
   CheckedContinuation.swift
   GlobalExecutor.cpp
+  Executor.swift
   AsyncIteratorProtocol.swift
   AsyncSequence.swift
   PartialAsyncTask.swift
   Task.cpp
   Task.swift
   TaskCancellation.swift
-  _TimeTypes.swift
   TaskAlloc.cpp
   TaskStatus.cpp
   TaskGroup.cpp

stdlib/public/Concurrency/Executor.swift

@@ -0,0 +1,16 @@
+////===----------------------------------------------------------------------===//
+////
+//// This source file is part of the Swift.org open source project
+////
+//// Copyright (c) 2021 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
+
+// TODO: just a placeholder; proposal and complete types soon
+public protocol ExecutorRef {}