derek.holloway
7502bf64a4
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74 lines
6.1 KiB
C
74 lines
6.1 KiB
C
// RUN: %clang_cc1 -fsyntax-only -Wthread-safety -verify %s
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typedef int __attribute__((capability("role"))) ThreadRole;
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struct __attribute__((shared_capability("mutex"))) Mutex {};
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struct NotACapability {};
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// Put capability attributes on unions
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union __attribute__((capability("mutex"))) MutexUnion { int a; char* b; };
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typedef union { int a; char* b; } __attribute__((capability("mutex"))) MutexUnion2;
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// Test a different capability name
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struct __attribute__((capability("custom"))) CustomName {};
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int Test1 __attribute__((capability("test1"))); // expected-error {{'capability' attribute only applies to structs, unions, classes, and typedefs}}
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int Test2 __attribute__((shared_capability("test2"))); // expected-error {{'shared_capability' attribute only applies to structs, unions, classes, and typedefs}}
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int Test3 __attribute__((acquire_capability("test3"))); // expected-warning {{'acquire_capability' attribute on a variable requires the variable to be of function pointer type}}
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int Test4 __attribute__((try_acquire_capability("test4"))); // expected-warning {{'try_acquire_capability' attribute on a variable requires the variable to be of function pointer type}}
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int Test5 __attribute__((release_capability("test5"))); // expected-warning {{'release_capability' attribute on a variable requires the variable to be of function pointer type}}
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struct __attribute__((capability(12))) Test3 {}; // expected-error {{expected string literal as argument of 'capability' attribute}}
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struct __attribute__((shared_capability(Test2))) Test4 {}; // expected-error {{expected string literal as argument of 'shared_capability' attribute}}
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struct __attribute__((capability)) Test5 {}; // expected-error {{'capability' attribute takes one argument}}
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struct __attribute__((shared_capability("test1", 12))) Test6 {}; // expected-error {{'shared_capability' attribute takes one argument}}
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struct NotACapability BadCapability;
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ThreadRole GUI, Worker;
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void Func1(void) __attribute__((requires_capability(GUI))) {}
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void Func2(void) __attribute__((requires_shared_capability(Worker))) {}
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void Func3(void) __attribute__((requires_capability)) {} // expected-error {{'requires_capability' attribute takes at least 1 argument}}
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void Func4(void) __attribute__((requires_shared_capability)) {} // expected-error {{'requires_shared_capability' attribute takes at least 1 argument}}
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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'}}
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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'}}
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void Func7(void) __attribute__((assert_capability(GUI))) {}
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void Func8(void) __attribute__((assert_shared_capability(GUI))) {}
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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}}
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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}}
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void Func11(void) __attribute__((acquire_capability(GUI))) {}
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void Func12(void) __attribute__((acquire_shared_capability(GUI))) {}
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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}}
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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}}
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void Func15(void) __attribute__((release_capability(GUI))) {}
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void Func16(void) __attribute__((release_shared_capability(GUI))) {}
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void Func17(void) __attribute__((release_generic_capability(GUI))) {}
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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}}
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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}}
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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}}
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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}}
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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}}
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void Func23(void) __attribute__((try_acquire_capability(1, GUI))) {}
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void Func24(void) __attribute__((try_acquire_shared_capability(1, GUI))) {}
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void Func25(void) __attribute__((try_acquire_capability())) {} // expected-error {{'try_acquire_capability' attribute takes at least 1 argument}}
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void Func26(void) __attribute__((try_acquire_shared_capability())) {} // expected-error {{'try_acquire_shared_capability' attribute takes at least 1 argument}}
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// Test that boolean logic works with capability attributes
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void Func27(void) __attribute__((requires_capability(!GUI)));
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void Func28(void) __attribute__((requires_capability(GUI && Worker)));
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void Func29(void) __attribute__((requires_capability(GUI || Worker)));
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void Func30(void) __attribute__((requires_capability((Worker || Worker) && !GUI)));
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int AlsoNotACapability;
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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'}}
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