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74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
//===--- Concurrency.h - Runtime interface for concurrency ------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// The runtime interface for concurrency.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_RUNTIME_CONCURRENCY_BACKDEPLOY56_H
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#define SWIFT_RUNTIME_CONCURRENCY_BACKDEPLOY56_H
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#include "Concurrency/Task.h"
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#include "Concurrency/TaskStatus.h"
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#include "Concurrency/AsyncLet.h"
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
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// Does the runtime use a cooperative global executor?
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#if defined(SWIFT_STDLIB_SINGLE_THREADED_RUNTIME)
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#define SWIFT_CONCURRENCY_COOPERATIVE_GLOBAL_EXECUTOR 1
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#else
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#define SWIFT_CONCURRENCY_COOPERATIVE_GLOBAL_EXECUTOR 0
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#endif
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// Does the runtime integrate with libdispatch?
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#ifndef SWIFT_CONCURRENCY_ENABLE_DISPATCH
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#if SWIFT_CONCURRENCY_COOPERATIVE_GLOBAL_EXECUTOR
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#define SWIFT_CONCURRENCY_ENABLE_DISPATCH 0
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#else
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#define SWIFT_CONCURRENCY_ENABLE_DISPATCH 1
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#endif
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#endif
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namespace swift {
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class DefaultActor;
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class TaskOptionRecord;
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struct SwiftError;
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struct AsyncTaskAndContext {
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AsyncTask *Task;
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AsyncContext *InitialContext;
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};
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/// Caution: not all future-initializing functions actually throw, so
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/// this signature may be incorrect.
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using FutureAsyncSignature =
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AsyncSignature<void(void*), /*throws*/ true>;
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/// Escalate the priority of a task and all of its child tasks.
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///
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/// This can be called from any thread.
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///
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/// This has no effect if the task already has at least the given priority.
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/// Returns the priority of the task.
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SWIFT_CC(swift)
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__attribute__((visibility("hidden")))
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JobPriority swift_task_escalateBackdeploy56(AsyncTask *task,
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JobPriority newPriority);
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} // namespace swift
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#pragma clang diagnostic pop
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#endif // SWIFT_RUNTIME_CONCURRENCY_BACKDEPLOY56_H
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