1 #pragma once 2 /* 3 * Copyright (C) 2016 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #if defined(__SUPPORT_TS_ANNOTATION__) || defined(__clang__) 19 #define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x)) 20 #else 21 #define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op 22 #endif 23 24 #define CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(capability(x)) 25 26 #define SCOPED_CAPABILITY THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable) 27 28 #define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x)) 29 30 #define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x)) 31 32 #define ACQUIRED_BEFORE(...) \ 33 THREAD_ANNOTATION_ATTRIBUTE__(acquired_before(__VA_ARGS__)) 34 35 #define ACQUIRED_AFTER(...) \ 36 THREAD_ANNOTATION_ATTRIBUTE__(acquired_after(__VA_ARGS__)) 37 38 #define REQUIRES(...) \ 39 THREAD_ANNOTATION_ATTRIBUTE__(requires_capability(__VA_ARGS__)) 40 41 #define REQUIRES_SHARED(...) \ 42 THREAD_ANNOTATION_ATTRIBUTE__(requires_shared_capability(__VA_ARGS__)) 43 44 #define ACQUIRE(...) \ 45 THREAD_ANNOTATION_ATTRIBUTE__(acquire_capability(__VA_ARGS__)) 46 47 #define ACQUIRE_SHARED(...) \ 48 THREAD_ANNOTATION_ATTRIBUTE__(acquire_shared_capability(__VA_ARGS__)) 49 50 #define RELEASE(...) \ 51 THREAD_ANNOTATION_ATTRIBUTE__(release_capability(__VA_ARGS__)) 52 53 #define RELEASE_SHARED(...) \ 54 THREAD_ANNOTATION_ATTRIBUTE__(release_shared_capability(__VA_ARGS__)) 55 56 #define TRY_ACQUIRE(...) \ 57 THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_capability(__VA_ARGS__)) 58 59 #define TRY_ACQUIRE_SHARED(...) \ 60 THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_shared_capability(__VA_ARGS__)) 61 62 #define EXCLUDES(...) THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__)) 63 64 #define ASSERT_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(assert_capability(x)) 65 66 #define ASSERT_SHARED_CAPABILITY(x) \ 67 THREAD_ANNOTATION_ATTRIBUTE__(assert_shared_capability(x)) 68 69 #define RETURN_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x)) 70 71 #define NO_THREAD_SAFETY_ANALYSIS \ 72 THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis) 73