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// RUN: %clang_cc1 -std=c++11 %s -verify -Wthread-safety-analysis
class Mutex {
public:
void Lock() __attribute__((exclusive_lock_function()));
void Unlock() __attribute__((unlock_function()));
};
class A {
public:
Mutex mu1, mu2;
void foo() __attribute__((exclusive_locks_required(mu1))) __attribute__((exclusive_locks_required(mu2))) {}
template <class T> void bar() __attribute__((exclusive_locks_required(mu1))) __attribute__((exclusive_locks_required(mu2))) {
foo();
}
};
void f() {
A a;
a.mu1.Lock();
a.mu2.Lock();
a.bar<int>();
a.mu2.Unlock();
a.bar<int>(); // expected-warning {{calling function 'bar<int>' requires holding mutex 'a.mu2' exclusively}}
a.mu1.Unlock();
a.bar<int>(); // expected-warning {{calling function 'bar<int>' requires holding mutex 'a.mu1' exclusively}} \
expected-warning {{calling function 'bar<int>' requires holding mutex 'a.mu2' exclusively}}
}
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