tsan_mutex_interface.h

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// Copyright 2017 The Abseil Authors.

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

// This file is intended solely for spinlock.h.

// It provides ThreadSanitizer annotations for custom mutexes.

// See <sanitizer/tsan_interface.h> for meaning of these annotations.

#ifndef ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_

#define ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_

#include "absl/base/config.h"

// ABSL_INTERNAL_HAVE_TSAN_INTERFACE

// Macro intended only for internal use.

//

// Checks whether LLVM Thread Sanitizer interfaces are available.

// First made available in LLVM 5.0 (Sep 2017).

#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE

#error "ABSL_INTERNAL_HAVE_TSAN_INTERFACE cannot be directly set."

#endif

#if defined(ABSL_HAVE_THREAD_SANITIZER) && defined(__has_include)

#if __has_include(<sanitizer/tsan_interface.h>)

#define ABSL_INTERNAL_HAVE_TSAN_INTERFACE 1

#endif

#endif

#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE

#include <sanitizer/tsan_interface.h>

#define ABSL_TSAN_MUTEX_CREATE __tsan_mutex_create

#define ABSL_TSAN_MUTEX_DESTROY __tsan_mutex_destroy

#define ABSL_TSAN_MUTEX_PRE_LOCK __tsan_mutex_pre_lock

#define ABSL_TSAN_MUTEX_POST_LOCK __tsan_mutex_post_lock

#define ABSL_TSAN_MUTEX_PRE_UNLOCK __tsan_mutex_pre_unlock

#define ABSL_TSAN_MUTEX_POST_UNLOCK __tsan_mutex_post_unlock

#define ABSL_TSAN_MUTEX_PRE_SIGNAL __tsan_mutex_pre_signal

#define ABSL_TSAN_MUTEX_POST_SIGNAL __tsan_mutex_post_signal

#define ABSL_TSAN_MUTEX_PRE_DIVERT __tsan_mutex_pre_divert

#define ABSL_TSAN_MUTEX_POST_DIVERT __tsan_mutex_post_divert

#else

#define ABSL_TSAN_MUTEX_CREATE(...)

#define ABSL_TSAN_MUTEX_DESTROY(...)

#define ABSL_TSAN_MUTEX_PRE_LOCK(...)

#define ABSL_TSAN_MUTEX_POST_LOCK(...)

#define ABSL_TSAN_MUTEX_PRE_UNLOCK(...)

#define ABSL_TSAN_MUTEX_POST_UNLOCK(...)

#define ABSL_TSAN_MUTEX_PRE_SIGNAL(...)

#define ABSL_TSAN_MUTEX_POST_SIGNAL(...)

#define ABSL_TSAN_MUTEX_PRE_DIVERT(...)

#define ABSL_TSAN_MUTEX_POST_DIVERT(...)

#endif

#endif  // ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_