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