diff --git a/src/sync.h b/src/sync.h index 0948083c7f0..749bf5575c4 100644 --- a/src/sync.h +++ b/src/sync.h @@ -242,10 +242,12 @@ using DebugLock = UniqueLock +void TestInconsistentLockOrderDetected(MutexType& mutex1, MutexType& mutex2) NO_THREAD_SAFETY_ANALYSIS +{ + ENTER_CRITICAL_SECTION(mutex1); + ENTER_CRITICAL_SECTION(mutex2); +#ifdef DEBUG_LOCKORDER + BOOST_CHECK_EXCEPTION(LEAVE_CRITICAL_SECTION(mutex1), std::logic_error, HasReason("mutex1 was not most recent critical section locked")); +#endif // DEBUG_LOCKORDER + LEAVE_CRITICAL_SECTION(mutex2); + LEAVE_CRITICAL_SECTION(mutex1); + BOOST_CHECK(LockStackEmpty()); +} } // namespace BOOST_FIXTURE_TEST_SUITE(sync_tests, BasicTestingSetup) @@ -108,4 +121,28 @@ BOOST_AUTO_TEST_CASE(double_lock_recursive_mutex) } #endif /* DEBUG_LOCKORDER */ +BOOST_AUTO_TEST_CASE(inconsistent_lock_order_detected) +{ +#ifdef DEBUG_LOCKORDER + bool prev = g_debug_lockorder_abort; + g_debug_lockorder_abort = false; +#endif // DEBUG_LOCKORDER + + RecursiveMutex rmutex1, rmutex2; + TestInconsistentLockOrderDetected(rmutex1, rmutex2); + // By checking lock order consistency (CheckLastCritical) before any unlocking (LeaveCritical) + // the lock tracking data must not have been broken by exception. + TestInconsistentLockOrderDetected(rmutex1, rmutex2); + + Mutex mutex1, mutex2; + TestInconsistentLockOrderDetected(mutex1, mutex2); + // By checking lock order consistency (CheckLastCritical) before any unlocking (LeaveCritical) + // the lock tracking data must not have been broken by exception. + TestInconsistentLockOrderDetected(mutex1, mutex2); + +#ifdef DEBUG_LOCKORDER + g_debug_lockorder_abort = prev; +#endif // DEBUG_LOCKORDER +} + BOOST_AUTO_TEST_SUITE_END()