81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
// Copyright 2020 The Marl Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Stubs Thread-Safty-Analysis annotation macros for platforms that do not
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// support them.
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// See https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
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#ifndef marl_tsa_h
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#define marl_tsa_h
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// Enable thread safety attributes only with clang.
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// The attributes can be safely erased when compiling with other compilers.
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#if defined(__clang__) && (!defined(SWIG))
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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 // marl_tsa_h
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