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//===-- thread_annotations.h ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef SCUDO_THREAD_ANNOTATIONS_
#define SCUDO_THREAD_ANNOTATIONS_
// Enable thread safety attributes only with clang.
// The attributes can be safely ignored when compiling with other compilers.
#if defined(__clang__)
#define THREAD_ANNOTATION_ATTRIBUTE_(x) __attribute__((x))
#else
#define THREAD_ANNOTATION_ATTRIBUTE_(x) // no-op
#endif
#define CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE_(capability(x))
#define SCOPED_CAPABILITY THREAD_ANNOTATION_ATTRIBUTE_(scoped_lockable)
#define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE_(guarded_by(x))
#define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE_(pt_guarded_by(x))
#define ACQUIRED_BEFORE(...) \
THREAD_ANNOTATION_ATTRIBUTE_(acquired_before(__VA_ARGS__))
#define ACQUIRED_AFTER(...) \
THREAD_ANNOTATION_ATTRIBUTE_(acquired_after(__VA_ARGS__))
#define REQUIRES(...) \
THREAD_ANNOTATION_ATTRIBUTE_(requires_capability(__VA_ARGS__))
#define REQUIRES_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE_(requires_shared_capability(__VA_ARGS__))
#define ACQUIRE(...) \
THREAD_ANNOTATION_ATTRIBUTE_(acquire_capability(__VA_ARGS__))
#define ACQUIRE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE_(acquire_shared_capability(__VA_ARGS__))
#define RELEASE(...) \
THREAD_ANNOTATION_ATTRIBUTE_(release_capability(__VA_ARGS__))
#define RELEASE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE_(release_shared_capability(__VA_ARGS__))
#define TRY_ACQUIRE(...) \
THREAD_ANNOTATION_ATTRIBUTE_(try_acquire_capability(__VA_ARGS__))
#define TRY_ACQUIRE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE_(try_acquire_shared_capability(__VA_ARGS__))
#define EXCLUDES(...) THREAD_ANNOTATION_ATTRIBUTE_(locks_excluded(__VA_ARGS__))
#define ASSERT_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE_(assert_capability(x))
#define ASSERT_SHARED_CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE_(assert_shared_capability(x))
#define RETURN_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE_(lock_returned(x))
#define NO_THREAD_SAFETY_ANALYSIS \
THREAD_ANNOTATION_ATTRIBUTE_(no_thread_safety_analysis)
#endif // SCUDO_THREAD_ANNOTATIONS_
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