Ryan Macnak
c4795a7550
Go to the runtime so TSAN sees the instrumented access to Thread::safepoint_state_, avoiding false data race reports. TEST=tsan Bug: https://github.com/dart-lang/sdk/issues/52024 Change-Id: Ic686bac2221d8ac6b9865ce9c82a4c36711037a7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/295740 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_PLATFORM_THREAD_SANITIZER_H_
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#define RUNTIME_PLATFORM_THREAD_SANITIZER_H_
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#include "platform/globals.h"
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#if defined(__has_feature)
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#if __has_feature(thread_sanitizer)
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#define USING_THREAD_SANITIZER
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#endif
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#endif
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#if defined(USING_THREAD_SANITIZER)
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#define NO_SANITIZE_THREAD __attribute__((no_sanitize("thread")))
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extern "C" void __tsan_acquire(void* addr);
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extern "C" void __tsan_release(void* addr);
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constexpr bool kUsingThreadSanitizer = true;
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#else
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#define NO_SANITIZE_THREAD
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constexpr bool kUsingThreadSanitizer = false;
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#endif
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#if defined(USING_THREAD_SANITIZER)
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#define DO_IF_TSAN(CODE) CODE
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#else
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#define DO_IF_TSAN(CODE)
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#endif
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#if defined(USING_THREAD_SANITIZER)
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#define DO_IF_NOT_TSAN(CODE)
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#else
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#define DO_IF_NOT_TSAN(CODE) CODE
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#endif
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#endif // RUNTIME_PLATFORM_THREAD_SANITIZER_H_
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