Source code of Windows XP (NT5)
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85 lines
1.9 KiB

#pragma once
/*-----------------------------------------------------------------------------
Fusion Thread Local Storage (aka Per Thread Data)
----------------------------------------------------------------------------*/
#include "EnumBitOperations.h"
// #include "FusionDequeLinkage.h"
#define FUSION_EVENT_LOG_FLAGS_DISABLE (0x00000001)
#ifndef INITIALIZE_CRITICAL_SECTION_AND_SPIN_COUNT_ALLOCATE_NOW
#define INITIALIZE_CRITICAL_SECTION_AND_SPIN_COUNT_ALLOCATE_NOW ( 0x80000000 )
#endif
class CFusionPerThreadData;
BOOL
FusionpPerThreadDataMain(
HINSTANCE hInst,
DWORD dwReason
);
enum EFusionpTls
{
eFusionpTlsCreate = 1 << 0,
eFusionpTlsCanScrambleLastError = 1 << 1
};
ENUM_BIT_OPERATIONS(EFusionpTls)
CFusionPerThreadData *
FusionpGetPerThreadData(
EFusionpTls = static_cast<EFusionpTls>(0)
);
enum EFusionSetTls
{
eFusionpTlsSetDefaultValue,
eFusionpTlsSetReplaceExisting = 1,
eFusionpTlsSetIfNull = 2
};
//
// This function preserves last error and does not ever set it.
CFusionPerThreadData *
FusionpSetPerThreadData(
CFusionPerThreadData *pThreadData,
EFusionSetTls = eFusionpTlsSetDefaultValue
);
VOID
FusionpClearPerThreadData(
VOID
);
class CFusionPerThreadData
{
public:
CFusionPerThreadData()
:
m_dwLastParseError(0),
m_dwEventLoggingFlags(0)
{
}
DWORD m_dwLastParseError;
DWORD m_dwEventLoggingFlags;
// add any additional per sxs thread data here
// so we only ever consume one tls entry
//
// Move (a pointer to) this to the TEB in the future.
LIST_ENTRY m_Linkage;
//
// Callback from the CDeque::Clear function - Calls the function
// to clear this thread's data, which has the side-effect of
// deleting the object.
//
inline VOID DeleteSelf() { ::FusionpClearPerThreadData(); }
};