void * MultiLockRandomSafeThread( void * p )
{
const unsigned int value = reinterpret_cast< unsigned int >( p );
unsigned int testCount = 0;
unsigned int failCount = 0;
volatile Thing * thing = nullptr;
Thing::ThingPool pool;
LevelMutexInfo::MutexContainer mutexes;
mutexes.reserve( thingCount );
unsigned int jj = 0;
unsigned int place = 0;
try
{
for ( unsigned int ii = 0; ii < thingCount; ++ii )
{
pool.clear();
pool.reserve( thingCount );
for ( place = 0; place < thingCount; ++place )
{
place += ::rand() % 3;
if ( thingCount <= place )
break;
thing = Thing::GetFromPool( place );
assert( nullptr != thing );
pool.push_back( thing );
}
const unsigned int poolCount = pool.size();
mutexes.clear();
for ( jj = 0; jj < poolCount; ++jj )
{
thing = pool[ jj ];
assert( nullptr != thing );
mutexes.push_back( &thing->GetMutex() );
}
MultiMutexLocker locker( mutexes );
(void)locker;
for ( jj = 0; jj < poolCount; ++jj )
{
thing = pool[ jj ];
assert( nullptr != thing );
thing->SetValue( value );
}
::GoToSleep( 3 );
for ( jj = 0; jj < poolCount; ++jj )
{
thing = pool[ jj ];
assert( nullptr != thing );
if ( thing->GetValue() != value )
failCount++;
testCount++;
}
}
}
catch ( ... )
{
assert( false );
}
TestResults::GetIt()->SetResult( value, testCount, failCount );
return nullptr;
}
void SingleThreadComplexMultiLockTest( bool doSetup )
{
::srand( static_cast< unsigned int >( time( nullptr ) ) );
if ( doSetup )
{
Thing::MakePool( thingCount );
}
const unsigned int priorLevel = GetCurrentThreadsLevel();
const unsigned int priorLockCount = CountLocksInCurrentThread();
const unsigned int priorMutexCount = CountMutexesInCurrentThread();
const unsigned int priorLevelMutexCount = CountMutexesAtCurrentLevel();
if ( LevelMutexInfo::UnlockedLevel == priorLevel )
{
assert( priorLockCount == 0 );
assert( priorMutexCount == 0 );
assert( priorLevelMutexCount == 0 );
}
else
{
assert( priorLockCount != 0 );
assert( priorMutexCount != 0 );
assert( priorLevelMutexCount != 0 );
assert( priorLevelMutexCount <= priorMutexCount );
assert( priorMutexCount <= priorLockCount );
}
volatile Thing * thing0 = Thing::GetFromPool( 0 );
volatile Thing * thing1 = Thing::GetFromPool( 1 );
volatile Thing * thing2 = Thing::GetFromPool( 2 );
volatile Thing * thing3 = Thing::GetFromPool( 3 );
volatile Thing * thing4 = Thing::GetFromPool( 4 );
volatile Thing * thing5 = Thing::GetFromPool( 5 );
volatile Thing * thing6 = Thing::GetFromPool( 6 );
volatile Thing * thing7 = Thing::GetFromPool( 7 );
assert( nullptr != thing0 );
assert( nullptr != thing1 );
assert( nullptr != thing2 );
assert( nullptr != thing3 );
assert( nullptr != thing4 );
assert( nullptr != thing5 );
assert( nullptr != thing6 );
assert( nullptr != thing7 );
LevelMutexInfo::MutexContainer mutexes;
mutexes.reserve( thingCount );
MutexErrors::Type result = LevelMutexInfo::MultiLock( mutexes );
assert( result == MutexErrors::EmptyContainer );
mutexes.push_back( &thing0->GetMutex() );
mutexes.push_back( &thing1->GetMutex() );
mutexes.push_back( &thing2->GetMutex() );
mutexes.push_back( &thing3->GetMutex() );
mutexes.push_back( &thing4->GetMutex() );
mutexes.push_back( &thing5->GetMutex() );
mutexes.push_back( &thing6->GetMutex() );
mutexes.push_back( &thing7->GetMutex() );
result = LevelMutexInfo::MultiLock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == thing0->GetMutex().GetLevel() );
assert( CountLocksInCurrentThread() == priorLockCount + thingCount );
result = LevelMutexInfo::MultiUnlock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == priorLevel );
assert( CountLocksInCurrentThread() == priorLockCount );
assert( CountMutexesInCurrentThread() == priorMutexCount );
assert( CountMutexesAtCurrentLevel() == priorLevelMutexCount );
mutexes.clear();
mutexes.push_back( &thing7->GetMutex() );
mutexes.push_back( &thing6->GetMutex() );
mutexes.push_back( &thing5->GetMutex() );
mutexes.push_back( &thing4->GetMutex() );
mutexes.push_back( &thing3->GetMutex() );
mutexes.push_back( &thing2->GetMutex() );
mutexes.push_back( &thing1->GetMutex() );
mutexes.push_back( &thing0->GetMutex() );
result = LevelMutexInfo::MultiLock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == thing0->GetMutex().GetLevel() );
assert( CountLocksInCurrentThread() == priorLockCount + thingCount );
result = LevelMutexInfo::MultiUnlock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == priorLevel );
assert( CountLocksInCurrentThread() == priorLockCount );
assert( CountMutexesInCurrentThread() == priorMutexCount );
assert( CountMutexesAtCurrentLevel() == priorLevelMutexCount );
RandomizeMutexOrder( mutexes );
result = LevelMutexInfo::MultiLock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == thing0->GetMutex().GetLevel() );
assert( CountLocksInCurrentThread() == priorLockCount + thingCount );
result = LevelMutexInfo::MultiUnlock( mutexes );
assert( result == MutexErrors::Success );
assert( GetCurrentThreadsLevel() == priorLevel );
assert( CountLocksInCurrentThread() == priorLockCount );
assert( CountMutexesInCurrentThread() == priorMutexCount );
assert( CountMutexesAtCurrentLevel() == priorLevelMutexCount );
if ( doSetup )
Thing::DestroyPool();
}