Leaked source code of windows server 2003
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162 lines
4.1 KiB

#pragma once
class CStressJobManager;
class CBarrier
{
CEvent m_hBarrierEvent;
LONG m_lBarrierSize;
LONG m_lWaitingThreads;
PRIVATIZE_COPY_CONSTRUCTORS(CBarrier)
public:
CBarrier() : m_lBarrierSize(0), m_lWaitingThreads(0) { }
//
// Start up, with the given barrier size and name (if any)
//
BOOL Initialize( DWORD lBarrierSize, PCWSTR pcwszBarrierName = NULL )
{
FN_PROLOG_WIN32
m_lBarrierSize = lBarrierSize;
m_lWaitingThreads = 0;
IFW32FALSE_EXIT(m_hBarrierEvent.Win32CreateEvent(TRUE, FALSE, pcwszBarrierName));
FN_EPILOG
}
//
// This thread is to join the barrier. It's possible that this call will be
// the one that "breaks" the barrier..
//
BOOL WaitForBarrier()
{
FN_PROLOG_WIN32
LONG LatestValue = ::InterlockedIncrement(&m_lWaitingThreads);
if ( LatestValue >= m_lBarrierSize )
{
IFW32FALSE_EXIT(::SetEvent(m_hBarrierEvent));
}
else
{
IFW32FALSE_EXIT(::WaitForSingleObject(m_hBarrierEvent, INFINITE) == WAIT_OBJECT_0);
}
FN_EPILOG
}
//
// In case someone wants to wait on us without actually joining in to count
// for breaking the barrier (why??)
//
BOOL WaitForBarrierNoJoin()
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(::WaitForSingleObject(m_hBarrierEvent, INFINITE) == WAIT_OBJECT_0);
FN_EPILOG
}
//
// A thread has a reason to break the barrier early? Fine, let them.
//
BOOL EarlyRelease()
{
FN_PROLOG_WIN32
IFW32FALSE_EXIT(::SetEvent(m_hBarrierEvent));
FN_EPILOG
}
};
class CStressJobEntry
{
DWORD InternalThreadProc();
BOOL WaitForStartingGun();
PRIVATIZE_COPY_CONSTRUCTORS(CStressJobEntry);
public:
CDequeLinkage m_dlLinkage;
CThread m_hThread;
bool m_fStop;
ULONG m_ulRuns;
ULONG m_ulFailures;
DWORD m_dwSleepBetweenRuns;
CStringBuffer m_buffTestName;
CStringBuffer m_buffTestDirectory;
CStressJobManager *m_pManager;
//
// Override these three to provide functionality
//
virtual BOOL RunTest( bool &rfTestPasses ) = 0;
virtual BOOL SetupSelfForRun() = 0;
virtual BOOL Cleanup();
virtual BOOL LoadFromSettingsFile( PCWSTR pcwszSettingsFile );
//
// These are not to be overridden!
//
BOOL Stop( BOOL fWaitForCompletion = TRUE );
BOOL WaitForCompletion();
static DWORD ThreadProc( PVOID pv );
CStressJobEntry( CStressJobManager *pManager );
virtual ~CStressJobEntry();
};
typedef CDeque<CStressJobEntry, offsetof(CStressJobEntry, m_dlLinkage)> CStressEntryDeque;
typedef CDequeIterator<CStressJobEntry, offsetof(CStressJobEntry, m_dlLinkage)> CStressEntryDequeIterator;
class CStressJobManager
{
PRIVATIZE_COPY_CONSTRUCTORS(CStressJobManager);
friend CStressJobEntry;
CEvent m_hStartingGunEvent;
ULONG m_ulThreadsCreated;
ULONG m_ulThreadsReady;
BOOL SignalAnotherJobReady();
BOOL SignalThreadWorking();
BOOL SignalThreadDone();
BOOL WaitForStartEvent();
public:
CStressEntryDeque m_JobsListed;
ULONG m_ulThreadsWorking;
BOOL LoadFromDirectory( PCWSTR pcwszDirectoryName, PULONG pulJobsFound = NULL );
BOOL CreateWorkerThreads( PULONG pulThreadsCreated = NULL );
BOOL StopJobs( BOOL fWithWaitForComplete = TRUE );
BOOL CleanupJobs();
BOOL StartJobs();
BOOL WaitForAllJobsComplete();
//
// This returns the directory name that the manager will use to find
// data files/directories.
//
virtual PCWSTR GetGroupName() = 0;
virtual PCWSTR GetIniFileName() = 0;
CStressJobManager();
~CStressJobManager();
protected:
virtual BOOL CreateJobEntry( CStressJobEntry* &pJobEntry ) = 0;
};