49 lines
2.2 KiB
C
49 lines
2.2 KiB
C
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/*
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* Copyright (c) 2013 by Felix Hupfeld.
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*
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* Licensed under the BSD License, see LICENSE file for details.
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*
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*/
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#ifdef __clang__
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// TODO(fhupfeld): add annotations to synchronization primitives.
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// Taken from http://www.mail-archive.com/linuxkernelnewbies@googlegroups.com/msg01455.html.
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#define GUARDED_BY(x) __attribute__ ((guarded_by(x)))
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#define GUARDED_VAR __attribute__ ((guarded))
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#define PT_GUARDED_BY(x) __attribute__ ((point_to_guarded_by(x)))
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#define PT_GUARDED_VAR __attribute__ ((point_to_guarded))
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#define ACQUIRED_AFTER(...) __attribute__ ((acquired_after(__VA_ARGS__)))
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#define ACQUIRED_BEFORE(...) __attribute__ ((acquired_before(__VA_ARGS__)))
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#define LOCKABLE __attribute__ ((lockable))
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#define SCOPED_LOCKABLE __attribute__ ((scoped_lockable))
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#define EXCLUSIVE_LOCK_FUNCTION(...) __attribute__ ((exclusive_lock(__VA_ARGS__)))
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#define SHARED_LOCK_FUNCTION(...) __attribute__ ((shared_lock(__VA_ARGS__)))
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#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__ ((exclusive_trylock(__VA_ARGS__)))
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#define SHARED_TRYLOCK_FUNCTION(...) __attribute__ ((shared_trylock(__VA_ARGS__)))
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#define UNLOCK_FUNCTION(...) __attribute__ ((unlock(__VA_ARGS__)))
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#define LOCK_RETURNED(x) __attribute__ ((lock_returned(x)))
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#define LOCKS_EXCLUDED(...) __attribute__ ((locks_excluded(__VA_ARGS__)))
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#define EXCLUSIVE_LOCKS_REQUIRED(...) __attribute__ ((exclusive_locks_required(__VA_ARGS__)))
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#define SHARED_LOCKS_REQUIRED(...) __attribute__ ((shared_locks_required(__VA_ARGS__)))
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#define NO_THREAD_SAFETY_ANALYSIS __attribute__ ((no_thread_safety_analysis))
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#else
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#define GUARDED_BY(x)
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#define GUARDED_VAR
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#define PT_GUARDED_BY(x)
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#define PT_GUARDED_VAR
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#define ACQUIRED_AFTER(...)
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#define ACQUIRED_BEFORE(...)
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#define LOCKABLE
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#define SCOPED_LOCKABLE
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#define EXCLUSIVE_LOCK_FUNCTION(...)
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#define SHARED_LOCK_FUNCTION(...)
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#define EXCLUSIVE_TRYLOCK_FUNCTION(...)
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#define SHARED_TRYLOCK_FUNCTION(...)
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#define UNLOCK_FUNCTION(...)
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#define LOCK_RETURNED(x)
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#define LOCKS_EXCLUDED(...)
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#define EXCLUSIVE_LOCKS_REQUIRED(...)
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#define SHARED_LOCKS_REQUIRED(...)
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#define NO_THREAD_SAFETY_ANALYSIS
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#endif
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