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37 lines
1.3 KiB
C++
37 lines
1.3 KiB
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) 2026 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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// Multi-threaded implementation of dynamic exclusivity checking that relies
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// on C++11. This file
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// should be linked in to single-threaded Embedded Swift applications that
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// require dynamic exclusivity checking.
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//===----------------------------------------------------------------------===//
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#include "swift/shims/Visibility.h"
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#if defined(__has_feature) && __has_feature(cxx_thread_local)
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#if defined(__APPLE__) || defined(__linux__) || defined(_WIN32)
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extern "C" {
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thread_local void * _Nullable _swift_exclusivity_single_threaded;
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SWIFT_RUNTIME_STDLIB_INTERNAL
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void * _Nullable _swift_getExclusivityTLS() {
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return _swift_exclusivity_single_threaded;
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}
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SWIFT_RUNTIME_STDLIB_INTERNAL
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void _swift_setExclusivityTLS(void * _Nullable newValue) {
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_swift_exclusivity_single_threaded = newValue;
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}
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}
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#endif
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#endif
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