forked from OSchip/llvm-project
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-verbose -Wno-thread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=0 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wthread-safety -Wthread-safety-beta -Wthread-safety-verbose -Wno-thread-safety-negative -fcxx-exceptions -DUSE_CAPABILITY=1 %s
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#include "thread-safety-annotations.h"
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class LOCKABLE Mutex {
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public:
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void Lock() EXCLUSIVE_LOCK_FUNCTION();
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void ReaderLock() SHARED_LOCK_FUNCTION();
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void Unlock() UNLOCK_FUNCTION();
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bool TryLock() EXCLUSIVE_TRYLOCK_FUNCTION(true);
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bool ReaderTryLock() SHARED_TRYLOCK_FUNCTION(true);
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// for negative capabilities
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const Mutex& operator!() const { return *this; }
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void AssertHeld() ASSERT_EXCLUSIVE_LOCK();
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void AssertReaderHeld() ASSERT_SHARED_LOCK();
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};
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class Test {
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Mutex mu;
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int a GUARDED_BY(mu); // expected-note3 {{Guarded_by declared here.}}
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void foo1() EXCLUSIVE_LOCKS_REQUIRED(mu);
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void foo2() SHARED_LOCKS_REQUIRED(mu);
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void foo3() LOCKS_EXCLUDED(mu);
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void test1() { // expected-note {{Thread warning in function 'test1'}}
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a = 0; // expected-warning {{writing variable 'a' requires holding mutex 'mu' exclusively}}
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}
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void test2() { // expected-note {{Thread warning in function 'test2'}}
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int b = a; // expected-warning {{reading variable 'a' requires holding mutex 'mu'}}
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}
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void test3() { // expected-note {{Thread warning in function 'test3'}}
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foo1(); // expected-warning {{calling function 'foo1' requires holding mutex 'mu' exclusively}}
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}
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void test4() { // expected-note {{Thread warning in function 'test4'}}
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foo2(); // expected-warning {{calling function 'foo2' requires holding mutex 'mu'}}
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}
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void test5() { // expected-note {{Thread warning in function 'test5'}}
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mu.ReaderLock();
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foo1(); // expected-warning {{calling function 'foo1' requires holding mutex 'mu' exclusively}}
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mu.Unlock();
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}
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void test6() { // expected-note {{Thread warning in function 'test6'}}
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mu.ReaderLock();
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a = 0; // expected-warning {{writing variable 'a' requires holding mutex 'mu' exclusively}}
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mu.Unlock();
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}
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void test7() { // expected-note {{Thread warning in function 'test7'}}
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mu.Lock();
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foo3(); // expected-warning {{cannot call function 'foo3' while mutex 'mu' is held}}
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mu.Unlock();
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}
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};
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