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test: Add LockStackEmpty()

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This commit is contained in:
Hennadii Stepanov 2020-06-20 23:00:52 +03:00
parent 42b2a95373
commit 63e9e40b73
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GPG key ID: 410108112E7EA81F
3 changed files with 21 additions and 6 deletions
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11
src/sync.cpp
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@ -264,6 +264,17 @@ void DeleteLock(void* cs)
}
}
bool LockStackEmpty()
{
LockData& lockdata = GetLockData();
std::lock_guard<std::mutex> lock(lockdata.dd_mutex);
const auto it = lockdata.m_lock_stacks.find(std::this_thread::get_id());
if (it == lockdata.m_lock_stacks.end()) {
return true;
}
return it->second.empty();
}
bool g_debug_lockorder_abort = true;
#endif /* DEBUG_LOCKORDER */

14
src/sync.h
View file

@ -56,6 +56,7 @@ template <typename MutexType>
void AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, MutexType* cs) ASSERT_EXCLUSIVE_LOCK(cs);
void AssertLockNotHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs);
void DeleteLock(void* cs);
bool LockStackEmpty();
/**
* Call abort() if a potential lock order deadlock bug is detected, instead of
@ -64,13 +65,14 @@ void DeleteLock(void* cs);
*/
extern bool g_debug_lockorder_abort;
#else
void static inline EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false) {}
void static inline LeaveCritical() {}
void static inline CheckLastCritical(void* cs, std::string& lockname, const char* guardname, const char* file, int line) {}
inline void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false) {}
inline void LeaveCritical() {}
inline void CheckLastCritical(void* cs, std::string& lockname, const char* guardname, const char* file, int line) {}
template <typename MutexType>
void static inline AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, MutexType* cs) ASSERT_EXCLUSIVE_LOCK(cs) {}
void static inline AssertLockNotHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs) {}
void static inline DeleteLock(void* cs) {}
inline void AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, MutexType* cs) ASSERT_EXCLUSIVE_LOCK(cs) {}
inline void AssertLockNotHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs) {}
inline void DeleteLock(void* cs) {}
inline bool LockStackEmpty() { return true; }
#endif
#define AssertLockHeld(cs) AssertLockHeldInternal(#cs, __FILE__, __LINE__, &cs)
#define AssertLockNotHeld(cs) AssertLockNotHeldInternal(#cs, __FILE__, __LINE__, &cs)

2
src/test/sync_tests.cpp
View file

@ -14,6 +14,7 @@ void TestPotentialDeadLockDetected(MutexType& mutex1, MutexType& mutex2)
{
LOCK2(mutex1, mutex2);
}
BOOST_CHECK(LockStackEmpty());
bool error_thrown = false;
try {
LOCK2(mutex2, mutex1);
@ -21,6 +22,7 @@ void TestPotentialDeadLockDetected(MutexType& mutex1, MutexType& mutex2)
BOOST_CHECK_EQUAL(e.what(), "potential deadlock detected: mutex1 -> mutex2 -> mutex1");
error_thrown = true;
}
BOOST_CHECK(LockStackEmpty());
#ifdef DEBUG_LOCKORDER
BOOST_CHECK(error_thrown);
#else