| // 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'}} |