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// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// This file is intended solely for spinlock.h.
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// It provides ThreadSanitizer annotations for custom mutexes.
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// See <sanitizer/tsan_interface.h> for meaning of these annotations.
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#ifndef ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_
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#define ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_
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// ABSL_INTERNAL_HAVE_TSAN_INTERFACE
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// Macro intended only for internal use.
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//
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// Checks whether LLVM Thread Sanitizer interfaces are available.
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// First made available in LLVM 5.0 (Sep 2017).
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#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE
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#error "ABSL_INTERNAL_HAVE_TSAN_INTERFACE cannot be directly set."
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#endif
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#if defined(THREAD_SANITIZER) && defined(__has_include)
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#if __has_include(<sanitizer/tsan_interface.h>)
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#define ABSL_INTERNAL_HAVE_TSAN_INTERFACE 1
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#endif
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#endif
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#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE
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#include <sanitizer/tsan_interface.h>
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#define ABSL_TSAN_MUTEX_CREATE __tsan_mutex_create
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#define ABSL_TSAN_MUTEX_DESTROY __tsan_mutex_destroy
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#define ABSL_TSAN_MUTEX_PRE_LOCK __tsan_mutex_pre_lock
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#define ABSL_TSAN_MUTEX_POST_LOCK __tsan_mutex_post_lock
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#define ABSL_TSAN_MUTEX_PRE_UNLOCK __tsan_mutex_pre_unlock
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#define ABSL_TSAN_MUTEX_POST_UNLOCK __tsan_mutex_post_unlock
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#define ABSL_TSAN_MUTEX_PRE_SIGNAL __tsan_mutex_pre_signal
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#define ABSL_TSAN_MUTEX_POST_SIGNAL __tsan_mutex_post_signal
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#define ABSL_TSAN_MUTEX_PRE_DIVERT __tsan_mutex_pre_divert
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#define ABSL_TSAN_MUTEX_POST_DIVERT __tsan_mutex_post_divert
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#else
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#define ABSL_TSAN_MUTEX_CREATE(...)
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#define ABSL_TSAN_MUTEX_DESTROY(...)
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#define ABSL_TSAN_MUTEX_PRE_LOCK(...)
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#define ABSL_TSAN_MUTEX_POST_LOCK(...)
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#define ABSL_TSAN_MUTEX_PRE_UNLOCK(...)
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#define ABSL_TSAN_MUTEX_POST_UNLOCK(...)
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#define ABSL_TSAN_MUTEX_PRE_SIGNAL(...)
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#define ABSL_TSAN_MUTEX_POST_SIGNAL(...)
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#define ABSL_TSAN_MUTEX_PRE_DIVERT(...)
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#define ABSL_TSAN_MUTEX_POST_DIVERT(...)
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#endif
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#endif // ABSL_BASE_INTERNAL_TSAN_MUTEX_INTERFACE_H_
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