Ryan Macnak
57ee563bc9
TEST=ci Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try;luci.dart.try:dart-sdk-mac-try;luci.dart.try:dart-sdk-mac-arm64-try;luci.dart.try:dart-sdk-win-try Change-Id: I9d4e7abe9541f74a67e469c4ba4ba3cecfaec431 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/427280 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// Copyright (c) 2024, 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_NO_TSAN_H_
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#define RUNTIME_PLATFORM_NO_TSAN_H_
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#include <stdint.h>
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#include <atomic>
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namespace dart {
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#if defined(__clang__)
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// Clang does not honor no_sanitize(thread) for std::atomic, so we place
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// the implementation in a separate compilation unit with TSAN disabled.
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uintptr_t FetchAndRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
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uintptr_t value);
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uintptr_t FetchOrRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
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uintptr_t value);
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uintptr_t LoadRelaxedIgnoreRace(const std::atomic<uintptr_t>* ptr);
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#else
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#if defined(__GNUC__)
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__attribute__((no_sanitize("thread")))
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#endif
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inline uintptr_t FetchAndRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
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uintptr_t value) {
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return ptr->fetch_and(value, std::memory_order_relaxed);
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}
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#if defined(__GNUC__)
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__attribute__((no_sanitize("thread")))
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#endif
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inline uintptr_t FetchOrRelaxedIgnoreRace(std::atomic<uintptr_t>* ptr,
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uintptr_t value) {
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return ptr->fetch_or(value, std::memory_order_relaxed);
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}
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#if defined(__GNUC__)
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__attribute__((no_sanitize("thread")))
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#endif
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inline uintptr_t LoadRelaxedIgnoreRace(const std::atomic<uintptr_t>* ptr) {
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return ptr->load(std::memory_order_relaxed);
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}
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#endif
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} // namespace dart
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#endif // RUNTIME_PLATFORM_NO_TSAN_H_
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