forked from OSchip/llvm-project
1468 lines
51 KiB
C++
1468 lines
51 KiB
C++
// 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 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();
|
|
};
|
|
|
|
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 {{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 {{attribute takes no arguments}}
|
|
|
|
class GVFoo {
|
|
private:
|
|
int gv_field_noargs GUARDED_VAR;
|
|
int gv_field_args __attribute__((guarded_var(1))); // \
|
|
// expected-error {{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 {{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 {{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 {{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 {{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_var_args __attribute__((guarded_by(mu1, mu2))); // \
|
|
// expected-error {{attribute takes one argument}}
|
|
|
|
int gb_var_noargs __attribute__((guarded_by)); // \
|
|
// expected-error {{attribute takes one argument}}
|
|
|
|
class GBFoo {
|
|
private:
|
|
int gb_field_noargs __attribute__((guarded_by)); // \
|
|
// expected-error {{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 {{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 {{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 {{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 first argument must be of int or bool type}}
|
|
int etf_function_bad_2() EXCLUSIVE_TRYLOCK_FUNCTION("mu"); // \
|
|
// expected-error {{'exclusive_trylock_function' attribute first argument must be of int or bool type}}
|
|
int etf_function_bad_3() EXCLUSIVE_TRYLOCK_FUNCTION(muDoublePointer); // \
|
|
// expected-error {{'exclusive_trylock_function' attribute first argument must be of int or bool type}}
|
|
|
|
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 first argument must be of int or bool type}}
|
|
int stf_function_bad_2() SHARED_TRYLOCK_FUNCTION("mu"); // \
|
|
// expected-error {{'shared_trylock_function' attribute first argument must be of int or bool type}}
|
|
int stf_function_bad_3() SHARED_TRYLOCK_FUNCTION(muDoublePointer); // \
|
|
// expected-error {{'shared_trylock_function' attribute first argument must be of int or bool type}}
|
|
|
|
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 {{attribute takes one argument}}
|
|
|
|
void lr_function_arg() LOCK_RETURNED(mu1);
|
|
|
|
void lr_function_args() __attribute__((lock_returned(mu1, mu2))); // \
|
|
// expected-error {{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
|
|
|
|
|
|
|