| // 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 LOCKABLE Mutex { |
| public: |
| 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); |
| |
| void AssertHeld() ASSERT_EXCLUSIVE_LOCK(); |
| void AssertReaderHeld() ASSERT_SHARED_LOCK(); |
| }; |
| |
| class UnlockableMu{ |
| }; |
| |
| class MuWrapper { |
| public: |
| Mutex mu; |
| Mutex getMu() { |
| return mu; |
| } |
| Mutex * getMuPointer() { |
| return μ |
| } |
| }; |
| |
| |
| class MuDoubleWrapper { |
| public: |
| MuWrapper* muWrapper; |
| MuWrapper* getWrapper() { |
| return muWrapper; |
| } |
| }; |
| |
| Mutex mu1; |
| UnlockableMu umu; |
| Mutex mu2; |
| MuWrapper muWrapper; |
| MuDoubleWrapper muDoubleWrapper; |
| Mutex* muPointer; |
| Mutex** muDoublePointer = & muPointer; |
| Mutex& muRef = mu1; |
| |
| //---------------------------------------// |
| // Scoping tests |
| //--------------------------------------// |
| |
| class Foo { |
| Mutex foomu; |
| void needLock() EXCLUSIVE_LOCK_FUNCTION(foomu); |
| }; |
| |
| class Foo2 { |
| void needLock() EXCLUSIVE_LOCK_FUNCTION(foomu); |
| Mutex foomu; |
| }; |
| |
| class Bar { |
| Mutex barmu; |
| Mutex barmu2 ACQUIRED_AFTER(barmu); |
| }; |
| |
| |
| //-----------------------------------------// |
| // No Thread Safety Analysis (noanal) // |
| //-----------------------------------------// |
| |
| // FIXME: Right now we cannot parse attributes put on function definitions |
| // We would like to patch this at some point. |
| |
| #if !__has_attribute(no_thread_safety_analysis) |
| #error "Should support no_thread_safety_analysis attribute" |
| #endif |
| |
| void noanal_fun() NO_THREAD_SAFETY_ANALYSIS; |
| |
| void noanal_fun_args() __attribute__((no_thread_safety_analysis(1))); // \ |
| // expected-error {{'no_thread_safety_analysis' attribute takes no arguments}} |
| |
| int noanal_testfn(int y) NO_THREAD_SAFETY_ANALYSIS; |
| |
| int noanal_testfn(int y) { |
| int x NO_THREAD_SAFETY_ANALYSIS = y; // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int noanal_test_var NO_THREAD_SAFETY_ANALYSIS; // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| |
| class NoanalFoo { |
| private: |
| int test_field NO_THREAD_SAFETY_ANALYSIS; // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| void test_method() NO_THREAD_SAFETY_ANALYSIS; |
| }; |
| |
| class NO_THREAD_SAFETY_ANALYSIS NoanalTestClass { // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| }; |
| |
| void noanal_fun_params(int lvar NO_THREAD_SAFETY_ANALYSIS); // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| |
| |
| //-----------------------------------------// |
| // Guarded Var Attribute (gv) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(guarded_var) |
| #error "Should support guarded_var attribute" |
| #endif |
| |
| int gv_var_noargs GUARDED_VAR; |
| |
| int gv_var_args __attribute__((guarded_var(1))); // \ |
| // expected-error {{'guarded_var' attribute takes no arguments}} |
| |
| class GVFoo { |
| private: |
| int gv_field_noargs GUARDED_VAR; |
| int gv_field_args __attribute__((guarded_var(1))); // \ |
| // expected-error {{'guarded_var' attribute takes no arguments}} |
| }; |
| |
| class GUARDED_VAR GV { // \ |
| // expected-warning {{'guarded_var' attribute only applies to fields and global variables}} |
| }; |
| |
| void gv_function() GUARDED_VAR; // \ |
| // expected-warning {{'guarded_var' attribute only applies to fields and global variables}} |
| |
| void gv_function_params(int gv_lvar GUARDED_VAR); // \ |
| // expected-warning {{'guarded_var' attribute only applies to fields and global variables}} |
| |
| int gv_testfn(int y){ |
| int x GUARDED_VAR = y; // \ |
| // expected-warning {{'guarded_var' attribute only applies to fields and global variables}} |
| return x; |
| } |
| |
| //-----------------------------------------// |
| // Pt Guarded Var Attribute (pgv) |
| //-----------------------------------------// |
| |
| //FIXME: add support for boost::scoped_ptr<int> fancyptr and references |
| |
| #if !__has_attribute(pt_guarded_var) |
| #error "Should support pt_guarded_var attribute" |
| #endif |
| |
| int *pgv_pt_var_noargs PT_GUARDED_VAR; |
| |
| int pgv_var_noargs PT_GUARDED_VAR; // \ |
| // expected-warning {{'pt_guarded_var' only applies to pointer types; type here is 'int'}} |
| |
| class PGVFoo { |
| private: |
| int *pt_field_noargs PT_GUARDED_VAR; |
| int field_noargs PT_GUARDED_VAR; // \ |
| // expected-warning {{'pt_guarded_var' only applies to pointer types; type here is 'int'}} |
| int *gv_field_args __attribute__((pt_guarded_var(1))); // \ |
| // expected-error {{'pt_guarded_var' attribute takes no arguments}} |
| }; |
| |
| class PT_GUARDED_VAR PGV { // \ |
| // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}} |
| }; |
| |
| int *pgv_var_args __attribute__((pt_guarded_var(1))); // \ |
| // expected-error {{'pt_guarded_var' attribute takes no arguments}} |
| |
| |
| void pgv_function() PT_GUARDED_VAR; // \ |
| // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}} |
| |
| void pgv_function_params(int *gv_lvar PT_GUARDED_VAR); // \ |
| // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}} |
| |
| void pgv_testfn(int y){ |
| int *x PT_GUARDED_VAR = new int(0); // \ |
| // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}} |
| delete x; |
| } |
| |
| //-----------------------------------------// |
| // Lockable Attribute (l) |
| //-----------------------------------------// |
| |
| //FIXME: In future we may want to add support for structs, ObjC classes, etc. |
| |
| #if !__has_attribute(lockable) |
| #error "Should support lockable attribute" |
| #endif |
| |
| class LOCKABLE LTestClass { |
| }; |
| |
| class __attribute__((lockable (1))) LTestClass_args { // \ |
| // expected-error {{'lockable' attribute takes no arguments}} |
| }; |
| |
| void l_test_function() LOCKABLE; // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| |
| int l_testfn(int y) { |
| int x LOCKABLE = y; // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| return x; |
| } |
| |
| int l_test_var LOCKABLE; // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| |
| class LFoo { |
| private: |
| int test_field LOCKABLE; // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| void test_method() LOCKABLE; // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| }; |
| |
| |
| void l_function_params(int lvar LOCKABLE); // \ |
| // expected-warning {{'lockable' attribute only applies to classes}} |
| |
| |
| //-----------------------------------------// |
| // Scoped Lockable Attribute (sl) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(scoped_lockable) |
| #error "Should support scoped_lockable attribute" |
| #endif |
| |
| class SCOPED_LOCKABLE SLTestClass { |
| }; |
| |
| class __attribute__((scoped_lockable (1))) SLTestClass_args { // \ |
| // expected-error {{'scoped_lockable' attribute takes no arguments}} |
| }; |
| |
| void sl_test_function() SCOPED_LOCKABLE; // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| |
| int sl_testfn(int y) { |
| int x SCOPED_LOCKABLE = y; // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| return x; |
| } |
| |
| int sl_test_var SCOPED_LOCKABLE; // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| |
| class SLFoo { |
| private: |
| int test_field SCOPED_LOCKABLE; // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| void test_method() SCOPED_LOCKABLE; // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| }; |
| |
| |
| void sl_function_params(int lvar SCOPED_LOCKABLE); // \ |
| // expected-warning {{'scoped_lockable' attribute only applies to classes}} |
| |
| |
| //-----------------------------------------// |
| // Guarded By Attribute (gb) |
| //-----------------------------------------// |
| |
| // FIXME: Eventually, would we like this attribute to take more than 1 arg? |
| |
| #if !__has_attribute(guarded_by) |
| #error "Should support guarded_by attribute" |
| #endif |
| |
| //1. Check applied to the right types & argument number |
| |
| int gb_var_arg GUARDED_BY(mu1); |
| |
| int gb_non_ascii GUARDED_BY(L"wide"); // expected-warning {{ignoring 'guarded_by' attribute because its argument is invalid}} |
| |
| int gb_var_args __attribute__((guarded_by(mu1, mu2))); // \ |
| // expected-error {{'guarded_by' attribute takes one argument}} |
| |
| int gb_var_noargs __attribute__((guarded_by)); // \ |
| // expected-error {{'guarded_by' attribute takes one argument}} |
| |
| class GBFoo { |
| private: |
| int gb_field_noargs __attribute__((guarded_by)); // \ |
| // expected-error {{'guarded_by' attribute takes one argument}} |
| int gb_field_args GUARDED_BY(mu1); |
| }; |
| |
| class GUARDED_BY(mu1) GB { // \ |
| // expected-warning {{'guarded_by' attribute only applies to fields and global variables}} |
| }; |
| |
| void gb_function() GUARDED_BY(mu1); // \ |
| // expected-warning {{'guarded_by' attribute only applies to fields and global variables}} |
| |
| void gb_function_params(int gv_lvar GUARDED_BY(mu1)); // \ |
| // expected-warning {{'guarded_by' attribute only applies to fields and global variables}} |
| |
| int gb_testfn(int y){ |
| int x GUARDED_BY(mu1) = y; // \ |
| // expected-warning {{'guarded_by' attribute only applies to fields and global variables}} |
| return x; |
| } |
| |
| //2. Check argument parsing. |
| |
| // legal attribute arguments |
| int gb_var_arg_1 GUARDED_BY(muWrapper.mu); |
| int gb_var_arg_2 GUARDED_BY(muDoubleWrapper.muWrapper->mu); |
| int gb_var_arg_3 GUARDED_BY(muWrapper.getMu()); |
| int gb_var_arg_4 GUARDED_BY(*muWrapper.getMuPointer()); |
| int gb_var_arg_5 GUARDED_BY(&mu1); |
| int gb_var_arg_6 GUARDED_BY(muRef); |
| int gb_var_arg_7 GUARDED_BY(muDoubleWrapper.getWrapper()->getMu()); |
| int gb_var_arg_8 GUARDED_BY(muPointer); |
| |
| |
| // illegal attribute arguments |
| int gb_var_arg_bad_1 GUARDED_BY(1); // \ |
| // expected-warning {{'guarded_by' attribute requires arguments that are class type or point to class type; type here is 'int'}} |
| int gb_var_arg_bad_2 GUARDED_BY("mu"); // \ |
| // expected-warning {{ignoring 'guarded_by' attribute because its argument is invalid}} |
| int gb_var_arg_bad_3 GUARDED_BY(muDoublePointer); // \ |
| // expected-warning {{'guarded_by' attribute requires arguments that are class type or point to class type; type here is 'class Mutex **'}} |
| int gb_var_arg_bad_4 GUARDED_BY(umu); // \ |
| // expected-warning {{'guarded_by' attribute requires arguments whose type is annotated with 'lockable' attribute; type here is 'class UnlockableMu'}} |
| |
| //3. |
| // Thread Safety analysis tests |
| |
| |
| //-----------------------------------------// |
| // Pt Guarded By Attribute (pgb) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(pt_guarded_by) |
| #error "Should support pt_guarded_by attribute" |
| #endif |
| |
| //1. Check applied to the right types & argument number |
| |
| int *pgb_var_noargs __attribute__((pt_guarded_by)); // \ |
| // expected-error {{'pt_guarded_by' attribute takes one argument}} |
| |
| int *pgb_ptr_var_arg PT_GUARDED_BY(mu1); |
| |
| int *pgb_ptr_var_args __attribute__((pt_guarded_by(mu1, mu2))); // \ |
| // expected-error {{'pt_guarded_by' attribute takes one argument}} |
| |
| int pgb_var_args PT_GUARDED_BY(mu1); // \ |
| // expected-warning {{'pt_guarded_by' only applies to pointer types; type here is 'int'}} |
| |
| class PGBFoo { |
| private: |
| int *pgb_field_noargs __attribute__((pt_guarded_by)); // \ |
| // expected-error {{'pt_guarded_by' attribute takes one argument}} |
| int *pgb_field_args PT_GUARDED_BY(mu1); |
| }; |
| |
| class PT_GUARDED_BY(mu1) PGB { // \ |
| // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}} |
| }; |
| |
| void pgb_function() PT_GUARDED_BY(mu1); // \ |
| // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}} |
| |
| void pgb_function_params(int gv_lvar PT_GUARDED_BY(mu1)); // \ |
| // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}} |
| |
| void pgb_testfn(int y){ |
| int *x PT_GUARDED_BY(mu1) = new int(0); // \ |
| // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}} |
| delete x; |
| } |
| |
| //2. Check argument parsing. |
| |
| // legal attribute arguments |
| int * pgb_var_arg_1 PT_GUARDED_BY(muWrapper.mu); |
| int * pgb_var_arg_2 PT_GUARDED_BY(muDoubleWrapper.muWrapper->mu); |
| int * pgb_var_arg_3 PT_GUARDED_BY(muWrapper.getMu()); |
| int * pgb_var_arg_4 PT_GUARDED_BY(*muWrapper.getMuPointer()); |
| int * pgb_var_arg_5 PT_GUARDED_BY(&mu1); |
| int * pgb_var_arg_6 PT_GUARDED_BY(muRef); |
| int * pgb_var_arg_7 PT_GUARDED_BY(muDoubleWrapper.getWrapper()->getMu()); |
| int * pgb_var_arg_8 PT_GUARDED_BY(muPointer); |
| |
| |
| // illegal attribute arguments |
| int * pgb_var_arg_bad_1 PT_GUARDED_BY(1); // \ |
| // expected-warning {{'pt_guarded_by' attribute requires arguments that are class type or point to class type}} |
| int * pgb_var_arg_bad_2 PT_GUARDED_BY("mu"); // \ |
| // expected-warning {{ignoring 'pt_guarded_by' attribute because its argument is invalid}} |
| int * pgb_var_arg_bad_3 PT_GUARDED_BY(muDoublePointer); // \ |
| // expected-warning {{'pt_guarded_by' attribute requires arguments that are class type or point to class type}} |
| int * pgb_var_arg_bad_4 PT_GUARDED_BY(umu); // \ |
| // expected-warning {{'pt_guarded_by' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| //-----------------------------------------// |
| // Acquired After (aa) |
| //-----------------------------------------// |
| |
| // FIXME: Would we like this attribute to take more than 1 arg? |
| |
| #if !__has_attribute(acquired_after) |
| #error "Should support acquired_after attribute" |
| #endif |
| |
| Mutex mu_aa ACQUIRED_AFTER(mu1); |
| |
| Mutex aa_var_noargs __attribute__((acquired_after)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| class AAFoo { |
| private: |
| Mutex aa_field_noargs __attribute__((acquired_after)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| Mutex aa_field_args ACQUIRED_AFTER(mu1); |
| }; |
| |
| class ACQUIRED_AFTER(mu1) AA { // \ |
| // expected-warning {{'acquired_after' attribute only applies to fields and global variables}} |
| }; |
| |
| void aa_function() ACQUIRED_AFTER(mu1); // \ |
| // expected-warning {{'acquired_after' attribute only applies to fields and global variables}} |
| |
| void aa_function_params(int gv_lvar ACQUIRED_AFTER(mu1)); // \ |
| // expected-warning {{'acquired_after' attribute only applies to fields and global variables}} |
| |
| void aa_testfn(int y){ |
| Mutex x ACQUIRED_AFTER(mu1) = Mutex(); // \ |
| // expected-warning {{'acquired_after' attribute only applies to fields and global variables}} |
| } |
| |
| //Check argument parsing. |
| |
| // legal attribute arguments |
| Mutex aa_var_arg_1 ACQUIRED_AFTER(muWrapper.mu); |
| Mutex aa_var_arg_2 ACQUIRED_AFTER(muDoubleWrapper.muWrapper->mu); |
| Mutex aa_var_arg_3 ACQUIRED_AFTER(muWrapper.getMu()); |
| Mutex aa_var_arg_4 ACQUIRED_AFTER(*muWrapper.getMuPointer()); |
| Mutex aa_var_arg_5 ACQUIRED_AFTER(&mu1); |
| Mutex aa_var_arg_6 ACQUIRED_AFTER(muRef); |
| Mutex aa_var_arg_7 ACQUIRED_AFTER(muDoubleWrapper.getWrapper()->getMu()); |
| Mutex aa_var_arg_8 ACQUIRED_AFTER(muPointer); |
| |
| |
| // illegal attribute arguments |
| Mutex aa_var_arg_bad_1 ACQUIRED_AFTER(1); // \ |
| // expected-warning {{'acquired_after' attribute requires arguments that are class type or point to class type}} |
| Mutex aa_var_arg_bad_2 ACQUIRED_AFTER("mu"); // \ |
| // expected-warning {{ignoring 'acquired_after' attribute because its argument is invalid}} |
| Mutex aa_var_arg_bad_3 ACQUIRED_AFTER(muDoublePointer); // \ |
| // expected-warning {{'acquired_after' attribute requires arguments that are class type or point to class type}} |
| Mutex aa_var_arg_bad_4 ACQUIRED_AFTER(umu); // \ |
| // expected-warning {{'acquired_after' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| UnlockableMu aa_var_arg_bad_5 ACQUIRED_AFTER(mu_aa); // \ |
| // expected-warning {{'acquired_after' attribute can only be applied in a context annotated with 'lockable' attribute}} |
| |
| //-----------------------------------------// |
| // Acquired Before (ab) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(acquired_before) |
| #error "Should support acquired_before attribute" |
| #endif |
| |
| Mutex mu_ab ACQUIRED_BEFORE(mu1); |
| |
| Mutex ab_var_noargs __attribute__((acquired_before)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| class ABFoo { |
| private: |
| Mutex ab_field_noargs __attribute__((acquired_before)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| Mutex ab_field_args ACQUIRED_BEFORE(mu1); |
| }; |
| |
| class ACQUIRED_BEFORE(mu1) AB { // \ |
| // expected-warning {{'acquired_before' attribute only applies to fields and global variables}} |
| }; |
| |
| void ab_function() ACQUIRED_BEFORE(mu1); // \ |
| // expected-warning {{'acquired_before' attribute only applies to fields and global variables}} |
| |
| void ab_function_params(int gv_lvar ACQUIRED_BEFORE(mu1)); // \ |
| // expected-warning {{'acquired_before' attribute only applies to fields and global variables}} |
| |
| void ab_testfn(int y){ |
| Mutex x ACQUIRED_BEFORE(mu1) = Mutex(); // \ |
| // expected-warning {{'acquired_before' attribute only applies to fields and global variables}} |
| } |
| |
| // Note: illegal int ab_int ACQUIRED_BEFORE(mu1) will |
| // be taken care of by warnings that ab__int is not lockable. |
| |
| //Check argument parsing. |
| |
| // legal attribute arguments |
| Mutex ab_var_arg_1 ACQUIRED_BEFORE(muWrapper.mu); |
| Mutex ab_var_arg_2 ACQUIRED_BEFORE(muDoubleWrapper.muWrapper->mu); |
| Mutex ab_var_arg_3 ACQUIRED_BEFORE(muWrapper.getMu()); |
| Mutex ab_var_arg_4 ACQUIRED_BEFORE(*muWrapper.getMuPointer()); |
| Mutex ab_var_arg_5 ACQUIRED_BEFORE(&mu1); |
| Mutex ab_var_arg_6 ACQUIRED_BEFORE(muRef); |
| Mutex ab_var_arg_7 ACQUIRED_BEFORE(muDoubleWrapper.getWrapper()->getMu()); |
| Mutex ab_var_arg_8 ACQUIRED_BEFORE(muPointer); |
| |
| |
| // illegal attribute arguments |
| Mutex ab_var_arg_bad_1 ACQUIRED_BEFORE(1); // \ |
| // expected-warning {{'acquired_before' attribute requires arguments that are class type or point to class type}} |
| Mutex ab_var_arg_bad_2 ACQUIRED_BEFORE("mu"); // \ |
| // expected-warning {{ignoring 'acquired_before' attribute because its argument is invalid}} |
| Mutex ab_var_arg_bad_3 ACQUIRED_BEFORE(muDoublePointer); // \ |
| // expected-warning {{'acquired_before' attribute requires arguments that are class type or point to class type}} |
| Mutex ab_var_arg_bad_4 ACQUIRED_BEFORE(umu); // \ |
| // expected-warning {{'acquired_before' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| UnlockableMu ab_var_arg_bad_5 ACQUIRED_BEFORE(mu_ab); // \ |
| // expected-warning {{'acquired_before' attribute can only be applied in a context annotated with 'lockable' attribute}} |
| |
| |
| //-----------------------------------------// |
| // Exclusive Lock Function (elf) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(exclusive_lock_function) |
| #error "Should support exclusive_lock_function attribute" |
| #endif |
| |
| // takes zero or more arguments, all locks (vars/fields) |
| |
| void elf_function() EXCLUSIVE_LOCK_FUNCTION(); |
| |
| void elf_function_args() EXCLUSIVE_LOCK_FUNCTION(mu1, mu2); |
| |
| int elf_testfn(int y) EXCLUSIVE_LOCK_FUNCTION(); |
| |
| int elf_testfn(int y) { |
| int x EXCLUSIVE_LOCK_FUNCTION() = y; // \ |
| // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int elf_test_var EXCLUSIVE_LOCK_FUNCTION(); // \ |
| // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}} |
| |
| class ElfFoo { |
| private: |
| int test_field EXCLUSIVE_LOCK_FUNCTION(); // \ |
| // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}} |
| void test_method() EXCLUSIVE_LOCK_FUNCTION(); |
| }; |
| |
| class EXCLUSIVE_LOCK_FUNCTION() ElfTestClass { // \ |
| // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}} |
| }; |
| |
| void elf_fun_params(int lvar EXCLUSIVE_LOCK_FUNCTION()); // \ |
| // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}} |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int elf_function_1() EXCLUSIVE_LOCK_FUNCTION(muWrapper.mu); |
| int elf_function_2() EXCLUSIVE_LOCK_FUNCTION(muDoubleWrapper.muWrapper->mu); |
| int elf_function_3() EXCLUSIVE_LOCK_FUNCTION(muWrapper.getMu()); |
| int elf_function_4() EXCLUSIVE_LOCK_FUNCTION(*muWrapper.getMuPointer()); |
| int elf_function_5() EXCLUSIVE_LOCK_FUNCTION(&mu1); |
| int elf_function_6() EXCLUSIVE_LOCK_FUNCTION(muRef); |
| int elf_function_7() EXCLUSIVE_LOCK_FUNCTION(muDoubleWrapper.getWrapper()->getMu()); |
| int elf_function_8() EXCLUSIVE_LOCK_FUNCTION(muPointer); |
| int elf_function_9(Mutex x) EXCLUSIVE_LOCK_FUNCTION(1); |
| int elf_function_9(Mutex x, Mutex y) EXCLUSIVE_LOCK_FUNCTION(1,2); |
| |
| |
| // illegal attribute arguments |
| int elf_function_bad_2() EXCLUSIVE_LOCK_FUNCTION("mu"); // \ |
| // expected-warning {{ignoring 'exclusive_lock_function' attribute because its argument is invalid}} |
| int elf_function_bad_3() EXCLUSIVE_LOCK_FUNCTION(muDoublePointer); // \ |
| // expected-warning {{'exclusive_lock_function' attribute requires arguments that are class type or point to class type}} |
| int elf_function_bad_4() EXCLUSIVE_LOCK_FUNCTION(umu); // \ |
| // expected-warning {{'exclusive_lock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| int elf_function_bad_1() EXCLUSIVE_LOCK_FUNCTION(1); // \ |
| // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| int elf_function_bad_5(Mutex x) EXCLUSIVE_LOCK_FUNCTION(0); // \ |
| // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}} |
| int elf_function_bad_6(Mutex x, Mutex y) EXCLUSIVE_LOCK_FUNCTION(0); // \ |
| // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}} |
| int elf_function_bad_7() EXCLUSIVE_LOCK_FUNCTION(0); // \ |
| // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| |
| |
| //-----------------------------------------// |
| // Shared Lock Function (slf) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(shared_lock_function) |
| #error "Should support shared_lock_function attribute" |
| #endif |
| |
| // takes zero or more arguments, all locks (vars/fields) |
| |
| void slf_function() SHARED_LOCK_FUNCTION(); |
| |
| void slf_function_args() SHARED_LOCK_FUNCTION(mu1, mu2); |
| |
| int slf_testfn(int y) SHARED_LOCK_FUNCTION(); |
| |
| int slf_testfn(int y) { |
| int x SHARED_LOCK_FUNCTION() = y; // \ |
| // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int slf_test_var SHARED_LOCK_FUNCTION(); // \ |
| // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}} |
| |
| void slf_fun_params(int lvar SHARED_LOCK_FUNCTION()); // \ |
| // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}} |
| |
| class SlfFoo { |
| private: |
| int test_field SHARED_LOCK_FUNCTION(); // \ |
| // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}} |
| void test_method() SHARED_LOCK_FUNCTION(); |
| }; |
| |
| class SHARED_LOCK_FUNCTION() SlfTestClass { // \ |
| // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int slf_function_1() SHARED_LOCK_FUNCTION(muWrapper.mu); |
| int slf_function_2() SHARED_LOCK_FUNCTION(muDoubleWrapper.muWrapper->mu); |
| int slf_function_3() SHARED_LOCK_FUNCTION(muWrapper.getMu()); |
| int slf_function_4() SHARED_LOCK_FUNCTION(*muWrapper.getMuPointer()); |
| int slf_function_5() SHARED_LOCK_FUNCTION(&mu1); |
| int slf_function_6() SHARED_LOCK_FUNCTION(muRef); |
| int slf_function_7() SHARED_LOCK_FUNCTION(muDoubleWrapper.getWrapper()->getMu()); |
| int slf_function_8() SHARED_LOCK_FUNCTION(muPointer); |
| int slf_function_9(Mutex x) SHARED_LOCK_FUNCTION(1); |
| int slf_function_9(Mutex x, Mutex y) SHARED_LOCK_FUNCTION(1,2); |
| |
| |
| // illegal attribute arguments |
| int slf_function_bad_2() SHARED_LOCK_FUNCTION("mu"); // \ |
| // expected-warning {{ignoring 'shared_lock_function' attribute because its argument is invalid}} |
| int slf_function_bad_3() SHARED_LOCK_FUNCTION(muDoublePointer); // \ |
| // expected-warning {{'shared_lock_function' attribute requires arguments that are class type or point to class type}} |
| int slf_function_bad_4() SHARED_LOCK_FUNCTION(umu); // \ |
| // expected-warning {{'shared_lock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| int slf_function_bad_1() SHARED_LOCK_FUNCTION(1); // \ |
| // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| int slf_function_bad_5(Mutex x) SHARED_LOCK_FUNCTION(0); // \ |
| // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}} |
| int slf_function_bad_6(Mutex x, Mutex y) SHARED_LOCK_FUNCTION(0); // \ |
| // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}} |
| int slf_function_bad_7() SHARED_LOCK_FUNCTION(0); // \ |
| // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| |
| |
| //-----------------------------------------// |
| // Exclusive TryLock Function (etf) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(exclusive_trylock_function) |
| #error "Should support exclusive_trylock_function attribute" |
| #endif |
| |
| // takes a mandatory boolean or integer argument specifying the retval |
| // plus an optional list of locks (vars/fields) |
| |
| void etf_function() __attribute__((exclusive_trylock_function)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| void etf_function_args() EXCLUSIVE_TRYLOCK_FUNCTION(1, mu2); |
| |
| void etf_function_arg() EXCLUSIVE_TRYLOCK_FUNCTION(1); |
| |
| int etf_testfn(int y) EXCLUSIVE_TRYLOCK_FUNCTION(1); |
| |
| int etf_testfn(int y) { |
| int x EXCLUSIVE_TRYLOCK_FUNCTION(1) = y; // \ |
| // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int etf_test_var EXCLUSIVE_TRYLOCK_FUNCTION(1); // \ |
| // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}} |
| |
| class EtfFoo { |
| private: |
| int test_field EXCLUSIVE_TRYLOCK_FUNCTION(1); // \ |
| // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}} |
| void test_method() EXCLUSIVE_TRYLOCK_FUNCTION(1); |
| }; |
| |
| class EXCLUSIVE_TRYLOCK_FUNCTION(1) EtfTestClass { // \ |
| // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}} |
| }; |
| |
| void etf_fun_params(int lvar EXCLUSIVE_TRYLOCK_FUNCTION(1)); // \ |
| // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}} |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int etf_function_1() EXCLUSIVE_TRYLOCK_FUNCTION(1, muWrapper.mu); |
| int etf_function_2() EXCLUSIVE_TRYLOCK_FUNCTION(1, muDoubleWrapper.muWrapper->mu); |
| int etf_function_3() EXCLUSIVE_TRYLOCK_FUNCTION(1, muWrapper.getMu()); |
| int etf_function_4() EXCLUSIVE_TRYLOCK_FUNCTION(1, *muWrapper.getMuPointer()); |
| int etf_function_5() EXCLUSIVE_TRYLOCK_FUNCTION(1, &mu1); |
| int etf_function_6() EXCLUSIVE_TRYLOCK_FUNCTION(1, muRef); |
| int etf_function_7() EXCLUSIVE_TRYLOCK_FUNCTION(1, muDoubleWrapper.getWrapper()->getMu()); |
| int etf_functetfn_8() EXCLUSIVE_TRYLOCK_FUNCTION(1, muPointer); |
| int etf_function_9() EXCLUSIVE_TRYLOCK_FUNCTION(true); |
| |
| |
| // illegal attribute arguments |
| int etf_function_bad_1() EXCLUSIVE_TRYLOCK_FUNCTION(mu1); // \ |
| // expected-error {{'exclusive_trylock_function' attribute requires parameter 1 to be int or bool}} |
| int etf_function_bad_2() EXCLUSIVE_TRYLOCK_FUNCTION("mu"); // \ |
| // expected-error {{'exclusive_trylock_function' attribute requires parameter 1 to be int or bool}} |
| int etf_function_bad_3() EXCLUSIVE_TRYLOCK_FUNCTION(muDoublePointer); // \ |
| // expected-error {{'exclusive_trylock_function' attribute requires parameter 1 to be int or bool}} |
| |
| int etf_function_bad_4() EXCLUSIVE_TRYLOCK_FUNCTION(1, "mu"); // \ |
| // expected-warning {{ignoring 'exclusive_trylock_function' attribute because its argument is invalid}} |
| int etf_function_bad_5() EXCLUSIVE_TRYLOCK_FUNCTION(1, muDoublePointer); // \ |
| // expected-warning {{'exclusive_trylock_function' attribute requires arguments that are class type or point to class type}} |
| int etf_function_bad_6() EXCLUSIVE_TRYLOCK_FUNCTION(1, umu); // \ |
| // expected-warning {{'exclusive_trylock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| //-----------------------------------------// |
| // Shared TryLock Function (stf) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(shared_trylock_function) |
| #error "Should support shared_trylock_function attribute" |
| #endif |
| |
| // takes a mandatory boolean or integer argument specifying the retval |
| // plus an optional list of locks (vars/fields) |
| |
| void stf_function() __attribute__((shared_trylock_function)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| void stf_function_args() SHARED_TRYLOCK_FUNCTION(1, mu2); |
| |
| void stf_function_arg() SHARED_TRYLOCK_FUNCTION(1); |
| |
| int stf_testfn(int y) SHARED_TRYLOCK_FUNCTION(1); |
| |
| int stf_testfn(int y) { |
| int x SHARED_TRYLOCK_FUNCTION(1) = y; // \ |
| // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int stf_test_var SHARED_TRYLOCK_FUNCTION(1); // \ |
| // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}} |
| |
| void stf_fun_params(int lvar SHARED_TRYLOCK_FUNCTION(1)); // \ |
| // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}} |
| |
| |
| class StfFoo { |
| private: |
| int test_field SHARED_TRYLOCK_FUNCTION(1); // \ |
| // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}} |
| void test_method() SHARED_TRYLOCK_FUNCTION(1); |
| }; |
| |
| class SHARED_TRYLOCK_FUNCTION(1) StfTestClass { // \ |
| // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int stf_function_1() SHARED_TRYLOCK_FUNCTION(1, muWrapper.mu); |
| int stf_function_2() SHARED_TRYLOCK_FUNCTION(1, muDoubleWrapper.muWrapper->mu); |
| int stf_function_3() SHARED_TRYLOCK_FUNCTION(1, muWrapper.getMu()); |
| int stf_function_4() SHARED_TRYLOCK_FUNCTION(1, *muWrapper.getMuPointer()); |
| int stf_function_5() SHARED_TRYLOCK_FUNCTION(1, &mu1); |
| int stf_function_6() SHARED_TRYLOCK_FUNCTION(1, muRef); |
| int stf_function_7() SHARED_TRYLOCK_FUNCTION(1, muDoubleWrapper.getWrapper()->getMu()); |
| int stf_function_8() SHARED_TRYLOCK_FUNCTION(1, muPointer); |
| int stf_function_9() SHARED_TRYLOCK_FUNCTION(true); |
| |
| |
| // illegal attribute arguments |
| int stf_function_bad_1() SHARED_TRYLOCK_FUNCTION(mu1); // \ |
| // expected-error {{'shared_trylock_function' attribute requires parameter 1 to be int or bool}} |
| int stf_function_bad_2() SHARED_TRYLOCK_FUNCTION("mu"); // \ |
| // expected-error {{'shared_trylock_function' attribute requires parameter 1 to be int or bool}} |
| int stf_function_bad_3() SHARED_TRYLOCK_FUNCTION(muDoublePointer); // \ |
| // expected-error {{'shared_trylock_function' attribute requires parameter 1 to be int or bool}} |
| |
| int stf_function_bad_4() SHARED_TRYLOCK_FUNCTION(1, "mu"); // \ |
| // expected-warning {{ignoring 'shared_trylock_function' attribute because its argument is invalid}} |
| int stf_function_bad_5() SHARED_TRYLOCK_FUNCTION(1, muDoublePointer); // \ |
| // expected-warning {{'shared_trylock_function' attribute requires arguments that are class type or point to class type}} |
| int stf_function_bad_6() SHARED_TRYLOCK_FUNCTION(1, umu); // \ |
| // expected-warning {{'shared_trylock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| //-----------------------------------------// |
| // Unlock Function (uf) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(unlock_function) |
| #error "Should support unlock_function attribute" |
| #endif |
| |
| // takes zero or more arguments, all locks (vars/fields) |
| |
| void uf_function() UNLOCK_FUNCTION(); |
| |
| void uf_function_args() UNLOCK_FUNCTION(mu1, mu2); |
| |
| int uf_testfn(int y) UNLOCK_FUNCTION(); |
| |
| int uf_testfn(int y) { |
| int x UNLOCK_FUNCTION() = y; // \ |
| // expected-warning {{'unlock_function' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int uf_test_var UNLOCK_FUNCTION(); // \ |
| // expected-warning {{'unlock_function' attribute only applies to functions and methods}} |
| |
| class UfFoo { |
| private: |
| int test_field UNLOCK_FUNCTION(); // \ |
| // expected-warning {{'unlock_function' attribute only applies to functions and methods}} |
| void test_method() UNLOCK_FUNCTION(); |
| }; |
| |
| class NO_THREAD_SAFETY_ANALYSIS UfTestClass { // \ |
| // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}} |
| }; |
| |
| void uf_fun_params(int lvar UNLOCK_FUNCTION()); // \ |
| // expected-warning {{'unlock_function' attribute only applies to functions and methods}} |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int uf_function_1() UNLOCK_FUNCTION(muWrapper.mu); |
| int uf_function_2() UNLOCK_FUNCTION(muDoubleWrapper.muWrapper->mu); |
| int uf_function_3() UNLOCK_FUNCTION(muWrapper.getMu()); |
| int uf_function_4() UNLOCK_FUNCTION(*muWrapper.getMuPointer()); |
| int uf_function_5() UNLOCK_FUNCTION(&mu1); |
| int uf_function_6() UNLOCK_FUNCTION(muRef); |
| int uf_function_7() UNLOCK_FUNCTION(muDoubleWrapper.getWrapper()->getMu()); |
| int uf_function_8() UNLOCK_FUNCTION(muPointer); |
| int uf_function_9(Mutex x) UNLOCK_FUNCTION(1); |
| int uf_function_9(Mutex x, Mutex y) UNLOCK_FUNCTION(1,2); |
| |
| |
| // illegal attribute arguments |
| int uf_function_bad_2() UNLOCK_FUNCTION("mu"); // \ |
| // expected-warning {{ignoring 'unlock_function' attribute because its argument is invalid}} |
| int uf_function_bad_3() UNLOCK_FUNCTION(muDoublePointer); // \ |
| // expected-warning {{'unlock_function' attribute requires arguments that are class type or point to class type}} |
| int uf_function_bad_4() UNLOCK_FUNCTION(umu); // \ |
| // expected-warning {{'unlock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| int uf_function_bad_1() UNLOCK_FUNCTION(1); // \ |
| // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| int uf_function_bad_5(Mutex x) UNLOCK_FUNCTION(0); // \ |
| // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}} |
| int uf_function_bad_6(Mutex x, Mutex y) UNLOCK_FUNCTION(0); // \ |
| // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}} |
| int uf_function_bad_7() UNLOCK_FUNCTION(0); // \ |
| // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: no parameters to index into}} |
| |
| |
| //-----------------------------------------// |
| // Lock Returned (lr) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(lock_returned) |
| #error "Should support lock_returned attribute" |
| #endif |
| |
| // Takes exactly one argument, a var/field |
| |
| void lr_function() __attribute__((lock_returned)); // \ |
| // expected-error {{'lock_returned' attribute takes one argument}} |
| |
| void lr_function_arg() LOCK_RETURNED(mu1); |
| |
| void lr_function_args() __attribute__((lock_returned(mu1, mu2))); // \ |
| // expected-error {{'lock_returned' attribute takes one argument}} |
| |
| int lr_testfn(int y) LOCK_RETURNED(mu1); |
| |
| int lr_testfn(int y) { |
| int x LOCK_RETURNED(mu1) = y; // \ |
| // expected-warning {{'lock_returned' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int lr_test_var LOCK_RETURNED(mu1); // \ |
| // expected-warning {{'lock_returned' attribute only applies to functions and methods}} |
| |
| void lr_fun_params(int lvar LOCK_RETURNED(mu1)); // \ |
| // expected-warning {{'lock_returned' attribute only applies to functions and methods}} |
| |
| class LrFoo { |
| private: |
| int test_field LOCK_RETURNED(mu1); // \ |
| // expected-warning {{'lock_returned' attribute only applies to functions and methods}} |
| void test_method() LOCK_RETURNED(mu1); |
| }; |
| |
| class LOCK_RETURNED(mu1) LrTestClass { // \ |
| // expected-warning {{'lock_returned' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int lr_function_1() LOCK_RETURNED(muWrapper.mu); |
| int lr_function_2() LOCK_RETURNED(muDoubleWrapper.muWrapper->mu); |
| int lr_function_3() LOCK_RETURNED(muWrapper.getMu()); |
| int lr_function_4() LOCK_RETURNED(*muWrapper.getMuPointer()); |
| int lr_function_5() LOCK_RETURNED(&mu1); |
| int lr_function_6() LOCK_RETURNED(muRef); |
| int lr_function_7() LOCK_RETURNED(muDoubleWrapper.getWrapper()->getMu()); |
| int lr_function_8() LOCK_RETURNED(muPointer); |
| |
| |
| // illegal attribute arguments |
| int lr_function_bad_1() LOCK_RETURNED(1); // \ |
| // expected-warning {{'lock_returned' attribute requires arguments that are class type or point to class type}} |
| int lr_function_bad_2() LOCK_RETURNED("mu"); // \ |
| // expected-warning {{ignoring 'lock_returned' attribute because its argument is invalid}} |
| int lr_function_bad_3() LOCK_RETURNED(muDoublePointer); // \ |
| // expected-warning {{'lock_returned' attribute requires arguments that are class type or point to class type}} |
| int lr_function_bad_4() LOCK_RETURNED(umu); // \ |
| // expected-warning {{'lock_returned' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| |
| //-----------------------------------------// |
| // Locks Excluded (le) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(locks_excluded) |
| #error "Should support locks_excluded attribute" |
| #endif |
| |
| // takes one or more arguments, all locks (vars/fields) |
| |
| void le_function() __attribute__((locks_excluded)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| void le_function_arg() LOCKS_EXCLUDED(mu1); |
| |
| void le_function_args() LOCKS_EXCLUDED(mu1, mu2); |
| |
| int le_testfn(int y) LOCKS_EXCLUDED(mu1); |
| |
| int le_testfn(int y) { |
| int x LOCKS_EXCLUDED(mu1) = y; // \ |
| // expected-warning {{'locks_excluded' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int le_test_var LOCKS_EXCLUDED(mu1); // \ |
| // expected-warning {{'locks_excluded' attribute only applies to functions and methods}} |
| |
| void le_fun_params(int lvar LOCKS_EXCLUDED(mu1)); // \ |
| // expected-warning {{'locks_excluded' attribute only applies to functions and methods}} |
| |
| class LeFoo { |
| private: |
| int test_field LOCKS_EXCLUDED(mu1); // \ |
| // expected-warning {{'locks_excluded' attribute only applies to functions and methods}} |
| void test_method() LOCKS_EXCLUDED(mu1); |
| }; |
| |
| class LOCKS_EXCLUDED(mu1) LeTestClass { // \ |
| // expected-warning {{'locks_excluded' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int le_function_1() LOCKS_EXCLUDED(muWrapper.mu); |
| int le_function_2() LOCKS_EXCLUDED(muDoubleWrapper.muWrapper->mu); |
| int le_function_3() LOCKS_EXCLUDED(muWrapper.getMu()); |
| int le_function_4() LOCKS_EXCLUDED(*muWrapper.getMuPointer()); |
| int le_function_5() LOCKS_EXCLUDED(&mu1); |
| int le_function_6() LOCKS_EXCLUDED(muRef); |
| int le_function_7() LOCKS_EXCLUDED(muDoubleWrapper.getWrapper()->getMu()); |
| int le_function_8() LOCKS_EXCLUDED(muPointer); |
| |
| |
| // illegal attribute arguments |
| int le_function_bad_1() LOCKS_EXCLUDED(1); // \ |
| // expected-warning {{'locks_excluded' attribute requires arguments that are class type or point to class type}} |
| int le_function_bad_2() LOCKS_EXCLUDED("mu"); // \ |
| // expected-warning {{ignoring 'locks_excluded' attribute because its argument is invalid}} |
| int le_function_bad_3() LOCKS_EXCLUDED(muDoublePointer); // \ |
| // expected-warning {{'locks_excluded' attribute requires arguments that are class type or point to class type}} |
| int le_function_bad_4() LOCKS_EXCLUDED(umu); // \ |
| // expected-warning {{'locks_excluded' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| |
| //-----------------------------------------// |
| // Exclusive Locks Required (elr) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(exclusive_locks_required) |
| #error "Should support exclusive_locks_required attribute" |
| #endif |
| |
| // takes one or more arguments, all locks (vars/fields) |
| |
| void elr_function() __attribute__((exclusive_locks_required)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| void elr_function_arg() EXCLUSIVE_LOCKS_REQUIRED(mu1); |
| |
| void elr_function_args() EXCLUSIVE_LOCKS_REQUIRED(mu1, mu2); |
| |
| int elr_testfn(int y) EXCLUSIVE_LOCKS_REQUIRED(mu1); |
| |
| int elr_testfn(int y) { |
| int x EXCLUSIVE_LOCKS_REQUIRED(mu1) = y; // \ |
| // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int elr_test_var EXCLUSIVE_LOCKS_REQUIRED(mu1); // \ |
| // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}} |
| |
| void elr_fun_params(int lvar EXCLUSIVE_LOCKS_REQUIRED(mu1)); // \ |
| // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}} |
| |
| class ElrFoo { |
| private: |
| int test_field EXCLUSIVE_LOCKS_REQUIRED(mu1); // \ |
| // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}} |
| void test_method() EXCLUSIVE_LOCKS_REQUIRED(mu1); |
| }; |
| |
| class EXCLUSIVE_LOCKS_REQUIRED(mu1) ElrTestClass { // \ |
| // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int elr_function_1() EXCLUSIVE_LOCKS_REQUIRED(muWrapper.mu); |
| int elr_function_2() EXCLUSIVE_LOCKS_REQUIRED(muDoubleWrapper.muWrapper->mu); |
| int elr_function_3() EXCLUSIVE_LOCKS_REQUIRED(muWrapper.getMu()); |
| int elr_function_4() EXCLUSIVE_LOCKS_REQUIRED(*muWrapper.getMuPointer()); |
| int elr_function_5() EXCLUSIVE_LOCKS_REQUIRED(&mu1); |
| int elr_function_6() EXCLUSIVE_LOCKS_REQUIRED(muRef); |
| int elr_function_7() EXCLUSIVE_LOCKS_REQUIRED(muDoubleWrapper.getWrapper()->getMu()); |
| int elr_function_8() EXCLUSIVE_LOCKS_REQUIRED(muPointer); |
| |
| |
| // illegal attribute arguments |
| int elr_function_bad_1() EXCLUSIVE_LOCKS_REQUIRED(1); // \ |
| // expected-warning {{'exclusive_locks_required' attribute requires arguments that are class type or point to class type}} |
| int elr_function_bad_2() EXCLUSIVE_LOCKS_REQUIRED("mu"); // \ |
| // expected-warning {{ignoring 'exclusive_locks_required' attribute because its argument is invalid}} |
| int elr_function_bad_3() EXCLUSIVE_LOCKS_REQUIRED(muDoublePointer); // \ |
| // expected-warning {{'exclusive_locks_required' attribute requires arguments that are class type or point to class type}} |
| int elr_function_bad_4() EXCLUSIVE_LOCKS_REQUIRED(umu); // \ |
| // expected-warning {{'exclusive_locks_required' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| |
| |
| //-----------------------------------------// |
| // Shared Locks Required (slr) |
| //-----------------------------------------// |
| |
| #if !__has_attribute(shared_locks_required) |
| #error "Should support shared_locks_required attribute" |
| #endif |
| |
| // takes one or more arguments, all locks (vars/fields) |
| |
| void slr_function() __attribute__((shared_locks_required)); // \ |
| // expected-error {{attribute takes at least 1 argument}} |
| |
| void slr_function_arg() SHARED_LOCKS_REQUIRED(mu1); |
| |
| void slr_function_args() SHARED_LOCKS_REQUIRED(mu1, mu2); |
| |
| int slr_testfn(int y) SHARED_LOCKS_REQUIRED(mu1); |
| |
| int slr_testfn(int y) { |
| int x SHARED_LOCKS_REQUIRED(mu1) = y; // \ |
| // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}} |
| return x; |
| }; |
| |
| int slr_test_var SHARED_LOCKS_REQUIRED(mu1); // \ |
| // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}} |
| |
| void slr_fun_params(int lvar SHARED_LOCKS_REQUIRED(mu1)); // \ |
| // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}} |
| |
| class SlrFoo { |
| private: |
| int test_field SHARED_LOCKS_REQUIRED(mu1); // \ |
| // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}} |
| void test_method() SHARED_LOCKS_REQUIRED(mu1); |
| }; |
| |
| class SHARED_LOCKS_REQUIRED(mu1) SlrTestClass { // \ |
| // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}} |
| }; |
| |
| // Check argument parsing. |
| |
| // legal attribute arguments |
| int slr_function_1() SHARED_LOCKS_REQUIRED(muWrapper.mu); |
| int slr_function_2() SHARED_LOCKS_REQUIRED(muDoubleWrapper.muWrapper->mu); |
| int slr_function_3() SHARED_LOCKS_REQUIRED(muWrapper.getMu()); |
| int slr_function_4() SHARED_LOCKS_REQUIRED(*muWrapper.getMuPointer()); |
| int slr_function_5() SHARED_LOCKS_REQUIRED(&mu1); |
| int slr_function_6() SHARED_LOCKS_REQUIRED(muRef); |
| int slr_function_7() SHARED_LOCKS_REQUIRED(muDoubleWrapper.getWrapper()->getMu()); |
| int slr_function_8() SHARED_LOCKS_REQUIRED(muPointer); |
| |
| |
| // illegal attribute arguments |
| int slr_function_bad_1() SHARED_LOCKS_REQUIRED(1); // \ |
| // expected-warning {{'shared_locks_required' attribute requires arguments that are class type or point to class type}} |
| int slr_function_bad_2() SHARED_LOCKS_REQUIRED("mu"); // \ |
| // expected-warning {{ignoring 'shared_locks_required' attribute because its argument is invalid}} |
| int slr_function_bad_3() SHARED_LOCKS_REQUIRED(muDoublePointer); // \ |
| // expected-warning {{'shared_locks_required' attribute requires arguments that are class type or point to class type}} |
| int slr_function_bad_4() SHARED_LOCKS_REQUIRED(umu); // \ |
| // expected-warning {{'shared_locks_required' attribute requires arguments whose type is annotated with 'lockable' attribute}} |
| |
| |
| //-----------------------------------------// |
| // Regression tests for unusual cases. |
| //-----------------------------------------// |
| |
| int trivially_false_edges(bool b) { |
| // Create NULL (never taken) edges in CFG |
| if (false) return 1; |
| else return 2; |
| } |
| |
| // Possible Clang bug -- method pointer in template parameter |
| class UnFoo { |
| public: |
| void foo(); |
| }; |
| |
| template<void (UnFoo::*methptr)()> |
| class MCaller { |
| public: |
| static void call_method_ptr(UnFoo *f) { |
| // FIXME: Possible Clang bug: |
| // getCalleeDecl() returns NULL in the following case: |
| (f->*methptr)(); |
| } |
| }; |
| |
| void call_method_ptr_inst(UnFoo* f) { |
| MCaller<&UnFoo::foo>::call_method_ptr(f); |
| } |
| |
| int temp; |
| void empty_back_edge() { |
| // Create a back edge to a block with with no statements |
| for (;;) { |
| ++temp; |
| if (temp > 10) break; |
| } |
| } |
| |
| struct Foomger { |
| void operator++(); |
| }; |
| |
| struct Foomgoper { |
| Foomger f; |
| |
| bool done(); |
| void invalid_back_edge() { |
| do { |
| // FIXME: Possible Clang bug: |
| // The first statement in this basic block has no source location |
| ++f; |
| } while (!done()); |
| } |
| }; |
| |
| |
| //----------------------------------------------------- |
| // Parsing of member variables and function parameters |
| //------------------------------------------------------ |
| |
| Mutex gmu; |
| |
| class StaticMu { |
| static Mutex statmu; |
| }; |
| |
| class FooLate { |
| public: |
| void foo1() EXCLUSIVE_LOCKS_REQUIRED(gmu) { } |
| void foo2() EXCLUSIVE_LOCKS_REQUIRED(mu) { } |
| void foo3(Mutex *m) EXCLUSIVE_LOCKS_REQUIRED(m) { } |
| void foo3(FooLate *f) EXCLUSIVE_LOCKS_REQUIRED(f->mu) { } |
| void foo4(FooLate *f) EXCLUSIVE_LOCKS_REQUIRED(f->mu); |
| |
| static void foo5() EXCLUSIVE_LOCKS_REQUIRED(mu); // \ |
| // expected-error {{invalid use of member 'mu' in static member function}} |
| |
| template <class T> |
| void foo6() EXCLUSIVE_LOCKS_REQUIRED(T::statmu) { } |
| |
| template <class T> |
| void foo7(T* f) EXCLUSIVE_LOCKS_REQUIRED(f->mu) { } |
| |
| int a GUARDED_BY(gmu); |
| int b GUARDED_BY(mu); |
| int c GUARDED_BY(this->mu); |
| |
| Mutex mu; |
| }; |
| |
| //------------------------- |
| // Empty argument lists |
| //------------------------- |
| |
| class LOCKABLE EmptyArgListsTest { |
| void lock() EXCLUSIVE_LOCK_FUNCTION() { } |
| void unlock() UNLOCK_FUNCTION() { } |
| }; |
| |
| |
| namespace FunctionDefinitionParseTest { |
| // Test parsing of attributes on function definitions. |
| |
| class Foo { |
| public: |
| Mutex mu_; |
| void foo1(); |
| void foo2(Foo *f); |
| }; |
| |
| template <class T> |
| class Bar { |
| public: |
| Mutex mu_; |
| void bar(); |
| }; |
| |
| void Foo::foo1() EXCLUSIVE_LOCKS_REQUIRED(mu_) { } |
| void Foo::foo2(Foo *f) EXCLUSIVE_LOCKS_REQUIRED(f->mu_) { } |
| |
| template <class T> |
| void Bar<T>::bar() EXCLUSIVE_LOCKS_REQUIRED(mu_) { } |
| |
| void baz(Foo *f) EXCLUSIVE_LOCKS_REQUIRED(f->mu_) { } |
| |
| } // end namespace |
| |
| |
| namespace TestMultiDecl { |
| |
| class Foo { |
| public: |
| int GUARDED_BY(mu_) a; |
| int GUARDED_BY(mu_) b, c; |
| |
| private: |
| Mutex mu_; |
| }; |
| |
| } // end namespace TestMultiDecl |
| |
| |
| namespace NestedClassLateDecl { |
| |
| class Foo { |
| class Bar { |
| int a GUARDED_BY(mu); |
| int b GUARDED_BY(fooMuStatic); |
| |
| void bar() EXCLUSIVE_LOCKS_REQUIRED(mu) { a = 0; } |
| void bar2(Bar* b) EXCLUSIVE_LOCKS_REQUIRED(b->mu) { b->a = 0; } |
| void bar3(Foo* f) EXCLUSIVE_LOCKS_REQUIRED(f->fooMu) { f->a = 0; } |
| |
| Mutex mu; |
| }; |
| |
| int a GUARDED_BY(fooMu); |
| Mutex fooMu; |
| static Mutex fooMuStatic; |
| }; |
| |
| } |
| |
| namespace PointerToMemberTest { |
| |
| // Empty string should be ignored. |
| int testEmptyAttribute GUARDED_BY(""); |
| void testEmptyAttributeFunction() EXCLUSIVE_LOCKS_REQUIRED(""); |
| |
| class Graph { |
| public: |
| Mutex mu_; |
| |
| static Mutex* get_static_mu() LOCK_RETURNED(&Graph::mu_); |
| }; |
| |
| class Node { |
| public: |
| void foo() EXCLUSIVE_LOCKS_REQUIRED(&Graph::mu_); |
| int a GUARDED_BY(&Graph::mu_); |
| }; |
| |
| } |
| |
| |
| namespace SmartPointerTest { |
| |
| template<class T> |
| class smart_ptr { |
| public: |
| T* operator->() { return ptr_; } |
| T& operator*() { return ptr_; } |
| |
| private: |
| T* ptr_; |
| }; |
| |
| |
| Mutex gmu; |
| smart_ptr<int> gdat PT_GUARDED_BY(gmu); |
| |
| |
| class MyClass { |
| public: |
| Mutex mu_; |
| smart_ptr<Mutex> smu_; |
| |
| |
| smart_ptr<int> a PT_GUARDED_BY(mu_); |
| int b GUARDED_BY(smu_); |
| }; |
| |
| } |
| |
| |
| namespace InheritanceTest { |
| |
| class LOCKABLE Base { |
| public: |
| void lock() EXCLUSIVE_LOCK_FUNCTION(); |
| void unlock() UNLOCK_FUNCTION(); |
| }; |
| |
| class Base2 { }; |
| |
| class Derived1 : public Base { }; |
| |
| class Derived2 : public Base2, public Derived1 { }; |
| |
| class Derived3 : public Base2 { }; |
| |
| class Foo { |
| Derived1 mu1_; |
| Derived2 mu2_; |
| Derived3 mu3_; |
| int a GUARDED_BY(mu1_); |
| int b GUARDED_BY(mu2_); |
| int c GUARDED_BY(mu3_); // \ |
| // expected-warning {{'guarded_by' attribute requires arguments whose type is annotated with 'lockable' attribute; type here is 'class InheritanceTest::Derived3'}} |
| |
| void foo() EXCLUSIVE_LOCKS_REQUIRED(mu1_, mu2_) { |
| a = 0; |
| b = 0; |
| } |
| }; |
| |
| } |
| |
| |
| namespace InvalidDeclTest { |
| |
| class Foo { }; |
| namespace { |
| void Foo::bar(Mutex* mu) LOCKS_EXCLUDED(mu) { } // \ |
| // expected-error {{cannot define or redeclare 'bar' here because namespace '' does not enclose namespace 'Foo'}} \ |
| // expected-warning {{attribute locks_excluded ignored, because it is not attached to a declaration}} |
| } |
| |
| } // end namespace InvalidDeclTest |
| |
| |
| namespace StaticScopeTest { |
| |
| class FooStream; |
| |
| class Foo { |
| mutable Mutex mu; |
| int a GUARDED_BY(mu); |
| |
| static int si GUARDED_BY(mu); // \ |
| // expected-error {{invalid use of non-static data member 'mu'}} |
| |
| static void foo() EXCLUSIVE_LOCKS_REQUIRED(mu); // \ |
| // expected-error {{invalid use of member 'mu' in static member function}} |
| |
| friend FooStream& operator<<(FooStream& s, const Foo& f) |
| EXCLUSIVE_LOCKS_REQUIRED(mu); // \ |
| // expected-error {{invalid use of non-static data member 'mu'}} |
| }; |
| |
| |
| } // end namespace StaticScopeTest |
| |
| |
| namespace FunctionAttributesInsideClass_ICE_Test { |
| |
| class Foo { |
| public: |
| /* Originally found when parsing foo() as an ordinary method after the |
| * the following: |
| |
| template <class T> |
| void syntaxErrorMethod(int i) { |
| if (i) { |
| foo( |
| } |
| } |
| */ |
| |
| void method() { |
| void foo() EXCLUSIVE_LOCKS_REQUIRED(mu); // \ |
| // expected-error {{use of undeclared identifier 'mu'}} |
| } |
| }; |
| |
| } // end namespace FunctionAttributesInsideClass_ICE_Test |
| |