// 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_