xref: /openbsd-src/gnu/llvm/compiler-rt/lib/sanitizer_common/sanitizer_thread_safety.h (revision 810390e339a5425391477d5d41c78d7cab2424ac)
1d89ec533Spatrick //===-- sanitizer_thread_safety.h -------------------------------*- C++ -*-===//
2d89ec533Spatrick //
3d89ec533Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4d89ec533Spatrick // See https://llvm.org/LICENSE.txt for license information.
5d89ec533Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6d89ec533Spatrick //
7d89ec533Spatrick //===----------------------------------------------------------------------===//
8d89ec533Spatrick //
9d89ec533Spatrick // This file is shared between sanitizer tools.
10d89ec533Spatrick //
11d89ec533Spatrick // Wrappers around thread safety annotations.
12d89ec533Spatrick // https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
13d89ec533Spatrick //===----------------------------------------------------------------------===//
14d89ec533Spatrick 
15d89ec533Spatrick #ifndef SANITIZER_THREAD_SAFETY_H
16d89ec533Spatrick #define SANITIZER_THREAD_SAFETY_H
17d89ec533Spatrick 
18d89ec533Spatrick #if defined(__clang__)
19*810390e3Srobert #  define SANITIZER_THREAD_ANNOTATION(x) __attribute__((x))
20d89ec533Spatrick #else
21*810390e3Srobert #  define SANITIZER_THREAD_ANNOTATION(x)
22d89ec533Spatrick #endif
23d89ec533Spatrick 
24*810390e3Srobert #define SANITIZER_MUTEX SANITIZER_THREAD_ANNOTATION(capability("mutex"))
25*810390e3Srobert #define SANITIZER_SCOPED_LOCK SANITIZER_THREAD_ANNOTATION(scoped_lockable)
26*810390e3Srobert #define SANITIZER_GUARDED_BY(x) SANITIZER_THREAD_ANNOTATION(guarded_by(x))
27*810390e3Srobert #define SANITIZER_PT_GUARDED_BY(x) SANITIZER_THREAD_ANNOTATION(pt_guarded_by(x))
28*810390e3Srobert #define SANITIZER_REQUIRES(...) \
29*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(requires_capability(__VA_ARGS__))
30*810390e3Srobert #define SANITIZER_REQUIRES_SHARED(...) \
31*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(requires_shared_capability(__VA_ARGS__))
32*810390e3Srobert #define SANITIZER_ACQUIRE(...) \
33*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(acquire_capability(__VA_ARGS__))
34*810390e3Srobert #define SANITIZER_ACQUIRE_SHARED(...) \
35*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(acquire_shared_capability(__VA_ARGS__))
36*810390e3Srobert #define SANITIZER_TRY_ACQUIRE(...) \
37*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(try_acquire_capability(__VA_ARGS__))
38*810390e3Srobert #define SANITIZER_RELEASE(...) \
39*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(release_capability(__VA_ARGS__))
40*810390e3Srobert #define SANITIZER_RELEASE_SHARED(...) \
41*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(release_shared_capability(__VA_ARGS__))
42*810390e3Srobert #define SANITIZER_EXCLUDES(...) \
43*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(locks_excluded(__VA_ARGS__))
44*810390e3Srobert #define SANITIZER_CHECK_LOCKED(...) \
45*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(assert_capability(__VA_ARGS__))
46*810390e3Srobert #define SANITIZER_NO_THREAD_SAFETY_ANALYSIS \
47*810390e3Srobert   SANITIZER_THREAD_ANNOTATION(no_thread_safety_analysis)
48d89ec533Spatrick 
49d89ec533Spatrick #endif
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