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bc6c027a1f
This allows lldb to know which version of the internals layout it needs to use. rdar://135886268
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
//===--- Actor.h - ABI structures for actors --------------------*- 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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// Swift ABI describing actors.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_ABI_ACTOR_H
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#define SWIFT_ABI_ACTOR_H
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#include "swift/ABI/HeapObject.h"
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#include "swift/ABI/MetadataValues.h"
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// lldb knows about some of these internals. If you change things that lldb
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// knows about (or might know about in the future, as a future lldb might be
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// inspecting a process running an older Swift runtime), increment
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// _swift_concurrency_debug_internal_layout_version and add a comment describing
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// the new version.
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namespace swift {
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/// The default actor implementation. This is the layout of both
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/// the DefaultActor and NSDefaultActor classes.
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class alignas(Alignment_DefaultActor) DefaultActor : public HeapObject {
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public:
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// These constructors do not initialize the actor instance, and the
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// destructor does not destroy the actor instance; you must call
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// swift_defaultActor_{initialize,destroy} yourself.
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constexpr DefaultActor(const HeapMetadata *metadata)
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: HeapObject(metadata), PrivateData{} {}
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constexpr DefaultActor(const HeapMetadata *metadata,
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InlineRefCounts::Immortal_t immortal)
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: HeapObject(metadata, immortal), PrivateData{} {}
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void *PrivateData[NumWords_DefaultActor];
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};
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/// The non-default distributed actor implementation.
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class alignas(Alignment_NonDefaultDistributedActor) NonDefaultDistributedActor : public HeapObject {
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public:
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// These constructors do not initialize the actor instance, and the
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// destructor does not destroy the actor instance; you must call
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// swift_nonDefaultDistributedActor_initialize yourself.
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constexpr NonDefaultDistributedActor(const HeapMetadata *metadata)
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: HeapObject(metadata), PrivateData{} {}
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constexpr NonDefaultDistributedActor(const HeapMetadata *metadata,
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InlineRefCounts::Immortal_t immortal)
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: HeapObject(metadata, immortal), PrivateData{} {}
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void *PrivateData[NumWords_NonDefaultDistributedActor];
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};
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} // end namespace swift
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#endif
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