mirror of
https://github.com/apple/swift.git
synced 2026-03-04 18:24:35 +01:00
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2026 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// Multi-threaded implementation of dynamic exclusivity checking that relies
|
|
// on C++11. This file
|
|
// should be linked in to single-threaded Embedded Swift applications that
|
|
// require dynamic exclusivity checking.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "swift/shims/Visibility.h"
|
|
|
|
#if defined(__has_feature) && __has_feature(cxx_thread_local)
|
|
#if defined(__APPLE__) || defined(__linux__) || defined(_WIN32)
|
|
extern "C" {
|
|
thread_local void * _Nullable _swift_exclusivity_single_threaded;
|
|
|
|
SWIFT_RUNTIME_STDLIB_INTERNAL
|
|
void * _Nullable _swift_getExclusivityTLS() {
|
|
return _swift_exclusivity_single_threaded;
|
|
}
|
|
|
|
SWIFT_RUNTIME_STDLIB_INTERNAL
|
|
void _swift_setExclusivityTLS(void * _Nullable newValue) {
|
|
_swift_exclusivity_single_threaded = newValue;
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|