Index: test/SemaCXX/thread-safety-annotations.h =================================================================== --- /dev/null +++ test/SemaCXX/thread-safety-annotations.h @@ -0,0 +1,41 @@ +// 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)) Index: test/SemaCXX/warn-thread-safety-analysis.cpp =================================================================== --- test/SemaCXX/warn-thread-safety-analysis.cpp +++ test/SemaCXX/warn-thread-safety-analysis.cpp @@ -6,42 +6,7 @@ // FIXME: should also run %clang_cc1 -fsyntax-only -verify -Wthread-safety -std=c++11 -Wc++98-compat %s // FIXME: should also run %clang_cc1 -fsyntax-only -verify -Wthread-safety %s -#define SCOPED_LOCKABLE __attribute__((scoped_lockable)) -#define GUARDED_BY(x) __attribute__((guarded_by(x))) -#define GUARDED_VAR __attribute__((guarded_var)) -#define PT_GUARDED_BY(x) __attribute__((pt_guarded_by(x))) -#define PT_GUARDED_VAR __attribute__((pt_guarded_var)) -#define ACQUIRED_AFTER(...) __attribute__((acquired_after(__VA_ARGS__))) -#define ACQUIRED_BEFORE(...) __attribute__((acquired_before(__VA_ARGS__))) - -#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 -#define EXCLUSIVE_UNLOCK_FUNCTION(...) __attribute__((release_capability(__VA_ARGS__))) -#define SHARED_UNLOCK_FUNCTION(...) __attribute__((release_shared_capability(__VA_ARGS__))) -#define UNLOCK_FUNCTION(...) __attribute__((unlock_function(__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)) - +#include "thread-safety-annotations.h" class LOCKABLE Mutex { public: Index: test/SemaCXX/warn-thread-safety-negative.cpp =================================================================== --- test/SemaCXX/warn-thread-safety-negative.cpp +++ test/SemaCXX/warn-thread-safety-negative.cpp @@ -1,40 +1,18 @@ -// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-negative -fcxx-exceptions %s +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=0 %s +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=1 %s // FIXME: should also run %clang_cc1 -fsyntax-only -verify -Wthread-safety -std=c++11 -Wc++98-compat %s // FIXME: should also run %clang_cc1 -fsyntax-only -verify -Wthread-safety %s -#define LOCKABLE __attribute__ ((lockable)) -#define SCOPED_LOCKABLE __attribute__ ((scoped_lockable)) -#define GUARDED_BY(x) __attribute__ ((guarded_by(x))) -#define GUARDED_VAR __attribute__ ((guarded_var)) -#define PT_GUARDED_BY(x) __attribute__ ((pt_guarded_by(x))) -#define PT_GUARDED_VAR __attribute__ ((pt_guarded_var)) -#define ACQUIRED_AFTER(...) __attribute__ ((acquired_after(__VA_ARGS__))) -#define ACQUIRED_BEFORE(...) __attribute__ ((acquired_before(__VA_ARGS__))) -#define EXCLUSIVE_LOCK_FUNCTION(...) __attribute__ ((exclusive_lock_function(__VA_ARGS__))) -#define SHARED_LOCK_FUNCTION(...) __attribute__ ((shared_lock_function(__VA_ARGS__))) -#define ASSERT_EXCLUSIVE_LOCK(...) __attribute__ ((assert_exclusive_lock(__VA_ARGS__))) -#define ASSERT_SHARED_LOCK(...) __attribute__ ((assert_shared_lock(__VA_ARGS__))) -#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__ ((exclusive_trylock_function(__VA_ARGS__))) -#define SHARED_TRYLOCK_FUNCTION(...) __attribute__ ((shared_trylock_function(__VA_ARGS__))) -#define UNLOCK_FUNCTION(...) __attribute__ ((unlock_function(__VA_ARGS__))) -#define LOCK_RETURNED(x) __attribute__ ((lock_returned(x))) -#define LOCKS_EXCLUDED(...) __attribute__ ((locks_excluded(__VA_ARGS__))) -#define EXCLUSIVE_LOCKS_REQUIRED(...) \ - __attribute__ ((exclusive_locks_required(__VA_ARGS__))) -#define SHARED_LOCKS_REQUIRED(...) \ - __attribute__ ((shared_locks_required(__VA_ARGS__))) -#define NO_THREAD_SAFETY_ANALYSIS __attribute__ ((no_thread_safety_analysis)) - - -class __attribute__((lockable)) Mutex { +#include "thread-safety-annotations.h" + +class LOCKABLE Mutex { public: - void Lock() __attribute__((exclusive_lock_function)); - void ReaderLock() __attribute__((shared_lock_function)); - void Unlock() __attribute__((unlock_function)); - bool TryLock() __attribute__((exclusive_trylock_function(true))); - bool ReaderTryLock() __attribute__((shared_trylock_function(true))); - void LockWhen(const int &cond) __attribute__((exclusive_lock_function)); + void Lock() EXCLUSIVE_LOCK_FUNCTION(); + void ReaderLock() SHARED_LOCK_FUNCTION(); + void Unlock() UNLOCK_FUNCTION(); + bool TryLock() EXCLUSIVE_TRYLOCK_FUNCTION(true); + bool ReaderTryLock() SHARED_TRYLOCK_FUNCTION(true); // for negative capabilities const Mutex& operator!() const { return *this; } Index: test/SemaCXX/warn-thread-safety-verbose.cpp =================================================================== --- test/SemaCXX/warn-thread-safety-verbose.cpp +++ test/SemaCXX/warn-thread-safety-verbose.cpp @@ -1,37 +1,15 @@ -// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-verbose -Wno-thread-safety-negative -fcxx-exceptions %s +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-verbose -Wno-thread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=0 %s +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-verbose -Wno-thread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=1 %s -#define LOCKABLE __attribute__ ((lockable)) -#define SCOPED_LOCKABLE __attribute__ ((scoped_lockable)) -#define GUARDED_BY(x) __attribute__ ((guarded_by(x))) -#define GUARDED_VAR __attribute__ ((guarded_var)) -#define PT_GUARDED_BY(x) __attribute__ ((pt_guarded_by(x))) -#define PT_GUARDED_VAR __attribute__ ((pt_guarded_var)) -#define ACQUIRED_AFTER(...) __attribute__ ((acquired_after(__VA_ARGS__))) -#define ACQUIRED_BEFORE(...) __attribute__ ((acquired_before(__VA_ARGS__))) -#define EXCLUSIVE_LOCK_FUNCTION(...) __attribute__ ((exclusive_lock_function(__VA_ARGS__))) -#define SHARED_LOCK_FUNCTION(...) __attribute__ ((shared_lock_function(__VA_ARGS__))) -#define ASSERT_EXCLUSIVE_LOCK(...) __attribute__ ((assert_exclusive_lock(__VA_ARGS__))) -#define ASSERT_SHARED_LOCK(...) __attribute__ ((assert_shared_lock(__VA_ARGS__))) -#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__ ((exclusive_trylock_function(__VA_ARGS__))) -#define SHARED_TRYLOCK_FUNCTION(...) __attribute__ ((shared_trylock_function(__VA_ARGS__))) -#define UNLOCK_FUNCTION(...) __attribute__ ((unlock_function(__VA_ARGS__))) -#define LOCK_RETURNED(x) __attribute__ ((lock_returned(x))) -#define LOCKS_EXCLUDED(...) __attribute__ ((locks_excluded(__VA_ARGS__))) -#define EXCLUSIVE_LOCKS_REQUIRED(...) \ - __attribute__ ((exclusive_locks_required(__VA_ARGS__))) -#define SHARED_LOCKS_REQUIRED(...) \ - __attribute__ ((shared_locks_required(__VA_ARGS__))) -#define NO_THREAD_SAFETY_ANALYSIS __attribute__ ((no_thread_safety_analysis)) +#include "thread-safety-annotations.h" - -class __attribute__((lockable)) Mutex { +class LOCKABLE Mutex { public: - void Lock() __attribute__((exclusive_lock_function)); - void ReaderLock() __attribute__((shared_lock_function)); - void Unlock() __attribute__((unlock_function)); - bool TryLock() __attribute__((exclusive_trylock_function(true))); - bool ReaderTryLock() __attribute__((shared_trylock_function(true))); - void LockWhen(const int &cond) __attribute__((exclusive_lock_function)); + void Lock() EXCLUSIVE_LOCK_FUNCTION(); + void ReaderLock() SHARED_LOCK_FUNCTION(); + void Unlock() UNLOCK_FUNCTION(); + bool TryLock() EXCLUSIVE_TRYLOCK_FUNCTION(true); + bool ReaderTryLock() SHARED_TRYLOCK_FUNCTION(true); // for negative capabilities const Mutex& operator!() const { return *this; }