thread-safety-annotations.h
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// Macros to enable testing of both variants of the thread safety analysis.
#if USE_CAPABILITY
#define LOCKABLE __attribute__((capability("mutex")))
#define ASSERT_EXCLUSIVE_LOCK(...) __attribute__((assert_capability(__VA_ARGS__)))
#define ASSERT_SHARED_LOCK(...) __attribute__((assert_shared_capability(__VA_ARGS__)))
#define EXCLUSIVE_LOCK_FUNCTION(...) __attribute__((acquire_capability(__VA_ARGS__)))
#define SHARED_LOCK_FUNCTION(...) __attribute__((acquire_shared_capability(__VA_ARGS__)))
#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__((try_acquire_capability(__VA_ARGS__)))
#define SHARED_TRYLOCK_FUNCTION(...) __attribute__((try_acquire_shared_capability(__VA_ARGS__)))
#define EXCLUSIVE_LOCKS_REQUIRED(...) __attribute__((requires_capability(__VA_ARGS__)))
#define SHARED_LOCKS_REQUIRED(...) __attribute__((requires_shared_capability(__VA_ARGS__)))
#else
#define LOCKABLE __attribute__((lockable))
#define ASSERT_EXCLUSIVE_LOCK(...) __attribute__((assert_exclusive_lock(__VA_ARGS__)))
#define ASSERT_SHARED_LOCK(...) __attribute__((assert_shared_lock(__VA_ARGS__)))
#define EXCLUSIVE_LOCK_FUNCTION(...) __attribute__((exclusive_lock_function(__VA_ARGS__)))
#define SHARED_LOCK_FUNCTION(...) __attribute__((shared_lock_function(__VA_ARGS__)))
#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__((exclusive_trylock_function(__VA_ARGS__)))
#define SHARED_TRYLOCK_FUNCTION(...) __attribute__((shared_trylock_function(__VA_ARGS__)))
#define EXCLUSIVE_LOCKS_REQUIRED(...) __attribute__((exclusive_locks_required(__VA_ARGS__)))
#define SHARED_LOCKS_REQUIRED(...) __attribute__((shared_locks_required(__VA_ARGS__)))
#endif
// Lock semantics only
#define UNLOCK_FUNCTION(...) __attribute__((unlock_function(__VA_ARGS__)))
#define GUARDED_VAR __attribute__((guarded_var))
#define PT_GUARDED_VAR __attribute__((pt_guarded_var))
// Capabilities only
#define EXCLUSIVE_UNLOCK_FUNCTION(...) __attribute__((release_capability(__VA_ARGS__)))
#define SHARED_UNLOCK_FUNCTION(...) __attribute__((release_shared_capability(__VA_ARGS__)))
#define GUARDED_BY(x) __attribute__((guarded_by(x)))
#define PT_GUARDED_BY(x) __attribute__((pt_guarded_by(x)))
// Common
#define SCOPED_LOCKABLE __attribute__((scoped_lockable))
#define ACQUIRED_AFTER(...) __attribute__((acquired_after(__VA_ARGS__)))
#define ACQUIRED_BEFORE(...) __attribute__((acquired_before(__VA_ARGS__)))
#define LOCK_RETURNED(x) __attribute__((lock_returned(x)))
#define LOCKS_EXCLUDED(...) __attribute__((locks_excluded(__VA_ARGS__)))
#define NO_THREAD_SAFETY_ANALYSIS __attribute__((no_thread_safety_analysis))