// RUN: %clang_cc1 -fsyntax-only -Wthread-safety -verify %s typedef int __attribute__((capability("role"))) ThreadRole; struct __attribute__((shared_capability("mutex"))) Mutex {}; struct NotACapability {}; // Put capability attributes on unions union __attribute__((capability("mutex"))) MutexUnion { int a; char* b; }; typedef union { int a; char* b; } __attribute__((capability("mutex"))) MutexUnion2; // Test a different capability name struct __attribute__((capability("custom"))) CustomName {}; int Test1 __attribute__((capability("test1"))); // expected-error {{'capability' attribute only applies to structs, unions, classes, and typedefs}} int Test2 __attribute__((shared_capability("test2"))); // expected-error {{'shared_capability' attribute only applies to structs, unions, classes, and typedefs}} int Test3 __attribute__((acquire_capability("test3"))); // expected-warning {{'acquire_capability' attribute only applies to functions}} int Test4 __attribute__((try_acquire_capability("test4"))); // expected-error {{'try_acquire_capability' attribute only applies to functions}} int Test5 __attribute__((release_capability("test5"))); // expected-warning {{'release_capability' attribute only applies to functions}} struct __attribute__((capability(12))) Test3 {}; // expected-error {{'capability' attribute requires a string}} struct __attribute__((shared_capability(Test2))) Test4 {}; // expected-error {{'shared_capability' attribute requires a string}} struct __attribute__((capability)) Test5 {}; // expected-error {{'capability' attribute takes one argument}} struct __attribute__((shared_capability("test1", 12))) Test6 {}; // expected-error {{'shared_capability' attribute takes one argument}} struct NotACapability BadCapability; ThreadRole GUI, Worker; void Func1(void) __attribute__((requires_capability(GUI))) {} void Func2(void) __attribute__((requires_shared_capability(Worker))) {} void Func3(void) __attribute__((requires_capability)) {} // expected-error {{'requires_capability' attribute takes at least 1 argument}} void Func4(void) __attribute__((requires_shared_capability)) {} // expected-error {{'requires_shared_capability' attribute takes at least 1 argument}} void Func5(void) __attribute__((requires_capability(1))) {} // expected-warning {{'requires_capability' attribute requires arguments whose type is annotated with 'capability' attribute; type here is 'int'}} void Func6(void) __attribute__((requires_shared_capability(BadCapability))) {} // expected-warning {{'requires_shared_capability' attribute requires arguments whose type is annotated with 'capability' attribute; type here is 'struct NotACapability'}} void Func7(void) __attribute__((assert_capability(GUI))) {} void Func8(void) __attribute__((assert_shared_capability(GUI))) {} void Func9(void) __attribute__((assert_capability())) {} // expected-warning {{'assert_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func10(void) __attribute__((assert_shared_capability())) {} // expected-warning {{'assert_shared_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func11(void) __attribute__((acquire_capability(GUI))) {} void Func12(void) __attribute__((acquire_shared_capability(GUI))) {} void Func13(void) __attribute__((acquire_capability())) {} // expected-warning {{'acquire_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func14(void) __attribute__((acquire_shared_capability())) {} // expected-warning {{'acquire_shared_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func15(void) __attribute__((release_capability(GUI))) {} void Func16(void) __attribute__((release_shared_capability(GUI))) {} void Func17(void) __attribute__((release_generic_capability(GUI))) {} void Func18(void) __attribute__((release_capability())) {} // expected-warning {{'release_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func19(void) __attribute__((release_shared_capability())) {} // expected-warning {{'release_shared_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func20(void) __attribute__((release_generic_capability())) {} // expected-warning {{'release_generic_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func21(void) __attribute__((try_acquire_capability(1))) {} // expected-warning {{'try_acquire_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func22(void) __attribute__((try_acquire_shared_capability(1))) {} // expected-warning {{'try_acquire_shared_capability' attribute without capability arguments can only be applied to non-static methods of a class}} void Func23(void) __attribute__((try_acquire_capability(1, GUI))) {} void Func24(void) __attribute__((try_acquire_shared_capability(1, GUI))) {} void Func25(void) __attribute__((try_acquire_capability())) {} // expected-error {{'try_acquire_capability' attribute takes at least 1 argument}} void Func26(void) __attribute__((try_acquire_shared_capability())) {} // expected-error {{'try_acquire_shared_capability' attribute takes at least 1 argument}} // Test that boolean logic works with capability attributes void Func27(void) __attribute__((requires_capability(!GUI))); void Func28(void) __attribute__((requires_capability(GUI && Worker))); void Func29(void) __attribute__((requires_capability(GUI || Worker))); void Func30(void) __attribute__((requires_capability((Worker || Worker) && !GUI))); int AlsoNotACapability; void Func31(void) __attribute__((requires_capability(GUI && AlsoNotACapability))); // expected-warning {{'requires_capability' attribute requires arguments whose type is annotated with 'capability' attribute; type here is 'int'}}