545 lines
18 KiB
C
545 lines
18 KiB
C
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/************ DAE: OS/2 Database Access Engine *************/
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/************ daedef.h: DAE Global Definitions *************/
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/***********************************************************/
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/******************* fundamental types *********************/
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/***********************************************************/
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#include "os.h"
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/***********************************************************/
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/****************** global configuration macros ************/
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/***********************************************************/
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#ifndef WIN16 /* for OS/2 or Win32 */
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#define ASYNC_IO_PROC /* asynchronous IO */
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#define ASYNC_LOG_FLUSH /* asynchronous LOG FLUSH */
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#define ASYNC_BF_CLEANUP /* asynchorouse Buffer clean up */
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#define ASYNC_VER_CLEANUP /* asynchronous Bucket clean up */
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#define ASYNC_BM_CLEANUP /* asynchorouse Bookmark clean up */
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#endif
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#define CHECKSUM /* check sum for read/write page validation */
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//#define PERFCNT /* enable performance counter */
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//#define NOLOG /* Log disabled? */
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#define REUSEDBID /* Reuse DBID */
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//#define RFS2
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//#define MEM_CHECK /* Check for resource and memory leakage */
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//#define KEYCHANGED
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#define BULK_INSERT_ITEM
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#define MOVEABLEDATANODE
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/***********************************************************/
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/******************* declaration macros ********************/
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/***********************************************************/
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#ifdef JETINTERNAL /* Start of definitions copied from vtapi.h */
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#ifndef NJETNT
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#ifdef WIN32 /* 0:32 Flat Model (Intel 80x86) */
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#define VTAPI __cdecl
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#elif defined(M_MRX000) /* 0:32 Flat Model (MIPS Rx000) */
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#define VTAPI
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#else /* WIN16 */ /* 16:16 Segmented Model */
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#define VTAPI __far __pascal
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#endif
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#endif
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#endif /* End of definitions copied from vtapi.h */
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#include "daedebug.h"
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#define LOCAL static
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#ifdef DEBUG
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#define INLINE
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#else
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#define INLINE __inline
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#endif
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/***********************************************************/
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/************ global types and associated macros ***********/
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/***********************************************************/
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typedef struct _res /* resource, defined in sysinit.c and daeutil.h */
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{
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const INT cbSize;
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INT cblockAlloc;
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BYTE *pbAlloc;
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INT cblockAvail;
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BYTE *pbAvail;
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INT iblockCommit;
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INT iblockFail;
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} RES;
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typedef struct _pib PIB;
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typedef struct _ssib SSIB;
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typedef struct _fucb FUCB;
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typedef struct _csr CSR;
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typedef struct _fcb FCB;
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typedef struct _fdb FDB;
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typedef struct _idb IDB;
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typedef struct _dib DIB;
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typedef struct _scb SCB;
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typedef struct _rcehead RCEHEAD;
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typedef struct _rce RCE;
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typedef struct _bucket BUCKET;
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typedef struct _dab DAB;
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typedef struct _rmpage RMPAGE;
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typedef struct _bmfix BMFIX;
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typedef unsigned short LANGID;
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typedef ULONG LRID;
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#if WIN32
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typedef ULONG PROCID;
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#else
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typedef TID PROCID;
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#endif
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#define pNil ((void *)0)
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#define pbNil ((BYTE *)0)
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#define plineNil ((LINE *)0)
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#define pkeyNil ((KEY *)0)
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#define ppibNil ((PIB *)0)
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#define pwaitNil ((WAIT *)0)
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#define pssibNil ((SSIB *)0)
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#define pfucbNil ((FUCB *)0)
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#define pcsrNil ((CSR *)0)
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#define pfcbNil ((FCB *)0)
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#define pfdbNil ((FDB *)0)
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#define pfieldNil ((FIELD *)0)
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#define pidbNil ((IDB *)0)
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#define pscbNil ((SCB *)0)
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#define procidNil ((PROCID) 0xffff)
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#define pbucketNil ((BUCKET *)0)
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#define prceheadNil ((RCEHEAD *)0)
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#define prceNil ((RCE *)0)
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#define pdabNil ((DAB *)0)
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#define prmpageNil ((RMPAGE *) 0)
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typedef unsigned long PGNO;
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typedef unsigned long PGDISCONT;
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typedef unsigned long PN;
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#define pnNull ((PN) 0)
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#define pgnoNull ((PGNO) 0)
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/* UNDONE: should be in storage.h */
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#define FVersionPage(pbf) (pbf->ppage->pghdr.cVersion)
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#define CPG LONG /* count of pages */
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typedef BYTE LEVEL; /* transaction levels */
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#define levelNil ((LEVEL)0xff) /* flag for inactive PIB */
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typedef WORD DBID;
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typedef WORD FID;
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typedef SHORT IDXSEG;
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/* Standard Record IDs */
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typedef ULONG SRID; /* standard record id */
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typedef ULONG LINK;
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#define PgnoOfSrid(srid) ((srid)>>8)
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#define ItagOfSrid(srid) ((BYTE)((srid) & 0x000000FF))
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#define SridOfPgnoItag(pgno, itag) ((pgno)<<8 | (LONG)(itag))
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#define itagNil ((INT)0x0fff)
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#define sridNull SridOfPgnoItag(pgnoNull, ((BYTE)itagNil))
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#define sridNullLink 0
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/* position within current series
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* note order of field is of the essence as log position used by
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* storage as timestamp, must in ib, isec, usGen order so that we can
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* use long value compare.
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*/
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typedef struct
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{
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USHORT ib; /* must be the last so that lgpos can */
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USHORT isec; /* index of disksec starting logsec */
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USHORT usGeneration; /* generation of logsec */
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} LGPOS; /* be casted to TIME. */
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extern LGPOS lgposMax;
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extern LGPOS lgposMin;
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extern INT fRecovering; /* to turn off logging during Redo */
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/***********************************************************/
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/*********************** DAE macros ************************/
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/***********************************************************/
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/* per database operation counter, ulDBTime is logged, used to compare
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* with the ulDBTime of a page to decide if a redo of the logged operation
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* is necessary.
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*/
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#define ulDBTimeMin (0x00000000)
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#define ulDBTimeMax (0xffffffff)
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/* Transaction counter, used to keep track of the oldest transaction.
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*/
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typedef ULONG TRX;
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#define trxMin 0
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#define trxMax (0xffffffff)
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typedef struct
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{
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ULONG cb;
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BYTE *pb;
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} LINE;
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#define FLineNull(pline) \
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((pline) == NULL || (pline)->cb == 0 || (pline)->pb == NULL)
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#define LineCopy(plineTo, plineFrom) \
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{ \
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(plineTo)->cb = (plineFrom)->cb; \
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memcpy((plineTo)->pb, (plineFrom)->pb, (plineFrom)->cb); \
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}
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#define CbLine(pline) ((pline) ? (pline)->cb : 0)
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typedef LINE KEY; // Directory Key
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#define FKeyNull(pkey) FLineNull(pkey)
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#define KeyCopy(pkeyTo, pkeyFrom) LineCopy(pkeyTo, pkeyFrom)
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#define CbKey(pkey) CbLine(pkey)
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typedef struct
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{
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ULONG cbMax; // size of buffer
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ULONG cbActual; // true size of return value
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ULONG cbReturned; // length of value returned
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BYTE *pb; // pointer to buffer for return value
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} OUTLINE;
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typedef struct _threebytes { BYTE b[3]; } THREEBYTES;
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#define ThreeBytesFromL(tb, l) \
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{ \
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ULONG DAE_ul = l; \
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BYTE *DAE_ptb = (BYTE *)&(tb); \
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*DAE_ptb = (BYTE)DAE_ul; \
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*++DAE_ptb = (BYTE)( DAE_ul >>= 8 ); \
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*++DAE_ptb = (BYTE)( DAE_ul >>= 8 ); \
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}
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#define LFromThreeBytes(l, tb) \
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{ \
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ULONG DAE_ul; \
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BYTE *DAE_ptb = (BYTE *)&(tb) + 2; \
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DAE_ul = (ULONG) *DAE_ptb; \
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DAE_ul <<= 8; \
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DAE_ul |= *--DAE_ptb; \
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DAE_ul <<=8; \
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DAE_ul |= *--DAE_ptb; \
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l = DAE_ul; \
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}
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#define TbKeyFromPgno(tbLast, pgno) \
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{ \
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ULONG DAE_ul = pgno; \
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BYTE * DAE_ptb = ((BYTE *)&(tbLast)) + 2; \
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*DAE_ptb = (BYTE) (DAE_ul); \
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*--DAE_ptb = (BYTE) (DAE_ul >>= 8); \
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*--DAE_ptb = (BYTE) (DAE_ul >>= 8); \
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}
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#define PgnoFromTbKey(pgno, tbKey) \
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{ \
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ULONG DAE_ul; \
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BYTE * DAE_ptb = (BYTE *) & (tbKey); \
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DAE_ul = (ULONG) *DAE_ptb; \
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DAE_ul <<= 8; \
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DAE_ul |= *++DAE_ptb; \
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DAE_ul <<= 8; \
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DAE_ul |= *++DAE_ptb; \
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pgno = DAE_ul; \
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}
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#define Pb4ByteAlign( pb ) ( ((LONG)pb + 3) & 0xfffffffc )
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#define Pb4ByteTruncate( pb ) ( (LONG)pb & 0xfffffffc )
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/***********************************************************/
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/******************** general C macros *********************/
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/***********************************************************/
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#define forever for(;;)
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#ifdef DEBUG
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#ifdef RFS2
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/* RFS/JET call logging
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/*
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/* RFS allocator: returns 0 if allocation is disallowed. Also handles RFS logging.
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/* cRFSAlloc is the global allocation counter. A value of -1 disables RFS in debug mode.
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/**/
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#define RFSAlloc(type) (UtilRFSAlloc(#type))
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/* RFS disable/enable macros */
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#define RFSDisable() (fDisableRFS = 1)
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#define RFSEnable() (fDisableRFS = 0)
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/* JET call logging (log on failure)
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/**/
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#define LogJETCall(func,err) (UtilRFSLogJETCall(#func,err,szAssertFilename,__LINE__))
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/* JET call macros
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/**/
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#define Call(func) {LogJETCall(func,err = (func)); if (err < 0) {goto HandleError;}}
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#define CallR(func) {LogJETCall(func,err = (func)); if (err < 0) {return err;}}
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#define CallJ(func,label) {LogJETCall(func,err = (func)); if (err < 0) {goto label;}}
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#define CallS(func) {ERR errT; LogJETCall(func,errT = (func)); Assert(errT == JET_errSuccess);}
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/* JET inline error logging (logging controlled by JET call flags)
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/**/
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#define LogJETErr(err,label) (UtilRFSLogJETErr(err,#label,szAssertFilename,__LINE__))
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/* JET inline error macros
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/**/
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#define Error(errT,label) {LogJETErr(errT,label); err = (errT); goto label;}
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#else
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#define RFSAlloc(type) (1)
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#define RFSDisable() (1)
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#define RFSEnable() (0)
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#define Call(func) {if ((err = (func)) < 0) {goto HandleError;}}
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#define CallR(func) {if ((err = (func)) < 0) {return err;}}
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#define CallJ( func, label ) {if ((err = (func)) < 0) goto label;}
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#define Error( errToReturn, label ) {err = errToReturn; goto label;}
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#define CallS(func) { ERR errT; Assert( (errT = (func)) == JET_errSuccess ); }
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#endif
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#else
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#define RFSAlloc(type) (1)
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#define RFSDisable() (1)
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#define RFSEnable() (0)
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#define Call(func) {if ((err = (func)) < 0) {goto HandleError;}}
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#define CallR(func) {if ((err = (func)) < 0) {return err;}}
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#define CallJ(func,label) {if ((err = (func)) < 0) {goto label;}}
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#define CallS(func) {ERR errT; errT = (func);}
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#define Error(errT,label) {err = (errT); goto label;}
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#endif
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#define NotUsed(p) (p)
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/***********************************************************/
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/***** include Jet Project prototypes and constants ********/
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/***********************************************************/
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#include "jet.h"
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#include "_jet.h"
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#include "_jetstr.h"
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#include "jetdef.h"
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#include "sesmgr.h"
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#include "isamapi.h"
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#include "vdbapi.h"
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#include "vtapi.h"
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#include "disp.h"
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#include "taskmgr.h"
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#include "vdbmgr.h"
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extern CODECONST(VDBFNDEF) vdbfndefIsam;
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#include "vtmgr.h"
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extern CODECONST(VTFNDEF) vtfndefIsam;
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extern CODECONST(VTFNDEF) vtfndefIsamInfo;
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extern CODECONST(VTFNDEF) vtfndefTTSortIns;
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extern CODECONST(VTFNDEF) vtfndefTTSortRet;
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extern CODECONST(VTFNDEF) vtfndefTTBase;
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JET_TABLEID TableidOfVtid( FUCB *pfucb );
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ERR VTAPI ErrDispPrepareUpdate( JET_SESID sesid, JET_TABLEID tableid,
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JET_GRBIT grbit );
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ERR VTAPI ErrDispSetColumn( JET_SESID sesid, JET_TABLEID tableid,
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JET_COLUMNID columnid, const void *pb, unsigned long cb, JET_GRBIT grbit,
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JET_SETINFO *psetinfo );
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ERR VTAPI ErrDispCloseTable( JET_SESID sesid, JET_TABLEID tableid );
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ERR VTAPI ErrDispUpdate( JET_SESID sesid, JET_TABLEID tableid, void *pb,
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unsigned long cbMax, unsigned long *pcbActual );
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ERR VTAPI ErrDispMove( JET_SESID sesid, JET_TABLEID tableid, long crows, JET_GRBIT grbit );
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/***********************************************************/
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/******************* mutual exclusion **********************/
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/***********************************************************/
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typedef void * SEM;
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typedef void * SIG;
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typedef void * CRIT;
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/* enable multiple MUTEX resource
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/**/
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#ifdef WIN16
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#define SemDefine( s )
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#define ErrSemCreate( s, sz ) JET_errSuccess
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#define SemRequest( s ) 0
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#define SemRelease( s ) 0
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#define SemAssert( s ) 0
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#define ErrSignalCreate( s, sz ) JET_errSuccess
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#define ErrSignalCreateAutoReset( s, sz ) JET_errSuccess
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#define SignalReset( s ) 0
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#define SignalSend( s ) 0
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#define SignalWait( s, t ) 0
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#define SignalWaitEx( s, t ) 0
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#define MultipleSignalWait( i, rg, f, t ) 0
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#define SignalClose( s ) 0
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#define ErrInitializeCriticalSection( s ) JET_errSuccess
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#define EnterCriticalSection( s ) 0
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#define LeaveCriticalSection( s ) 0
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#define EnterNestableCriticalSection( s ) 0
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#define LeaveNestableCriticalSection( s ) 0
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#define AssertCriticalSection( s ) 0
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#define DeleteCriticalSection( s ) 0
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#define SgSemDefine( s )
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#define SgErrSemCreate( s, sz ) JET_errSuccess
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#define SgSemRequest( s ) 0
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#define SgSemRelease( s ) 0
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#define SgSemAssert( s ) 0
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#define LgSemDefine( s )
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#define LgErrSemCreate( s, sz ) JET_errSuccess
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#define LgSemRequest( s ) 0
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#define LgSemRelease( s ) 0
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#define LgSemAssert( s ) 0
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#define LgErrInitializeCriticalSection( s, c ) JET_errSuccess
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#define LgEnterCriticalSection( s ) 0
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#define LgLeaveCriticalSection( s ) 0
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#define LgEnterNestableCriticalSection( s ) 0
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#define LgLeaveNestableCriticalSection( s ) 0
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#define LgAssertCriticalSection( s ) 0
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#define LgDeleteCriticalSection( s ) 0
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#else /* !WIN16 */
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#ifdef SGSEM /* small grain */
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#define SemDefine( s ) __near SEM s
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#define ErrSemCreate( s, sz ) UtilSemCreate( s )
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#define SemRequest( s ) UtilSemRequest( s )
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#define SemRelease( s ) UtilSemRelease( s )
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#define SemAssert( s ) UtilAssertSEM( s )
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#define ErrSignalCreate( s, sz ) ErrUtilSignalCreate( s, sz )
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#define ErrSignalCreateAutoReset( s, sz ) ErrUtilSignalCreateAutoReset( s, sz )
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#define SignalReset( s ) UtilSignalReset( s )
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#define SignalSend( s ) UtilSignalSend( s )
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#define SignalWait( s, t ) UtilSignalWait( s, t )
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#define SignalWaitEx( s, t, f ) UtilSignalWaitEx( s, t, f )
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#define MultipleSignalWait( i, rg, f, t ) UtilMultipleSignalWait( i, rg, f, t )
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#define SignalClose( s ) UtilCloseSignal( s )
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#define ErrInitializeCriticalSection( s ) ErrUtilInitializeCriticalSection( s )
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#define EnterCriticalSection( s ) UtilEnterCriticalSection( s )
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#define LeaveCriticalSection( s ) UtilLeaveCriticalSection( s )
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#define EnterNestableCriticalSection( s ) UtilEnterNestableCriticalSection( s )
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#define LeaveNestableCriticalSection( s ) UtilLeaveNestableCriticalSection( s )
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#define AssertCriticalSection( s ) UtilAssertCrit( s )
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#define HoldCriticalSection( s ) \
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{ \
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UtilAssertCrit( s ); \
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UtilHoldCriticalSection( s ); \
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}
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#define ReleaseCriticalSection( s )
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{ \
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UtilAssertCrit( s ); \
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UtilReleaseCriticalSection( s );\
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}
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#define DeleteCriticalSection( s ) UtilDeleteCriticalSection( s )
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#define SgSemDefine( s ) __near SEM s
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#define SgErrSemCreate( s, sz ) UtilSemCreate( s, sz )
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#define SgSemRequest( s ) UtilSemRequest( s )
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#define SgSemRelease( s ) UtilSemRelease( s )
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#define SgSemAssert( s ) UtilAssertSEM( s )
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#define LgSemDefine( s )
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#define LgErrSemCreate( s, sz ) 0
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#define LgSemRequest( s ) 0
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#define LgSemRelease( s ) 0
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#define LgSemAssert( s ) 0
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#define LgErrInitializeCriticalSection( s ) JET_errSuccess
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#define LgEnterCriticalSection( s ) 0
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#define LgLeaveCriticalSection( s ) 0
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#define LgEnterNestableCriticalSection( s ) 0
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#define LgLeaveNestableCriticalSection( s ) 0
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#define LgAssertCriticalSection( s ) 0
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#define LgDeleteCriticalSection( s ) 0
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#else /* !SGSEM */
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#define SemDefine( s ) __near SEM s
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#define SemErrCreate( s, sz ) UtilSemCreate( s, sz )
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#define SemRequest( s ) UtilSemRequest( s )
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#define SemRelease( s ) UtilSemRelease( s )
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#define SemAssert( s ) UtilAssertSEM( s )
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#define ErrSignalCreate( s, sz ) ErrUtilSignalCreate( s, sz )
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#define ErrSignalCreateAutoReset( s, sz ) ErrUtilSignalCreateAutoReset( s, sz )
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#define SignalReset( s ) UtilSignalReset( s )
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#define SignalSend( s ) UtilSignalSend( s )
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#define SignalWait( s, t ) UtilSignalWait( s, t )
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#define SignalWaitEx( s, t, f ) UtilSignalWaitEx( s, t, f )
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#define MultipleSignalWait( i, rg, f, t ) UtilMultipleSignalWait( i, rg, f, t )
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#define SignalClose( s ) UtilCloseSignal( s )
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#define ErrInitializeCriticalSection( s ) ErrUtilInitializeCriticalSection( s )
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#define EnterCriticalSection( s ) UtilEnterCriticalSection( s )
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#define LeaveCriticalSection( s ) UtilLeaveCriticalSection( s )
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#define EnterNestableCriticalSection( s ) UtilEnterNestableCriticalSection( s )
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#define LeaveNestableCriticalSection( s ) UtilLeaveNestableCriticalSection( s )
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|||
|
|
#define AssertCriticalSection( s ) UtilAssertCrit( s )
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|
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#define HoldCriticalSection( s ) \
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|
|
{ \
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|||
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UtilAssertCrit( s ); \
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|
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UtilHoldCriticalSection( s ); \
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|||
|
|
}
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|||
|
|
#define ReleaseCriticalSection( s ) \
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|||
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|
{ \
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|||
|
|
UtilAssertCrit( s ); \
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|
|
UtilReleaseCriticalSection( s );\
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|
|
}
|
|||
|
|
#define DeleteCriticalSection( s ) UtilDeleteCriticalSection( s )
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|||
|
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|
|||
|
|
#define SgSemDefine( s )
|
|||
|
|
#define SgErrSemCreate( s, sz ) 0
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|
|
#define SgSemRequest( s ) UtilAssertCrit( critJet )
|
|||
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#define SgSemRelease( s ) UtilAssertCrit( critJet )
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|||
|
|
#define SgSemAssert( s ) UtilAssertCrit( critJet )
|
|||
|
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|
|||
|
|
#define LgSemDefine( s ) __near SEM s;
|
|||
|
|
#define LgErrSemCreate( s, sz ) SemCreate( s, sz )
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|||
|
|
#define LgSemRequest( s ) SemRequest( s )
|
|||
|
|
#define LgSemRelease( s ) SemRelease( s )
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|||
|
|
#define LgSemAssert( s ) UtilAssertCrit( s )
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|||
|
|
#define LgErrInitializeCriticalSection( s ) ErrUtilInitializeCriticalSection( s )
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|||
|
|
#define LgEnterCriticalSection( s ) UtilEnterCriticalSection( s )
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|||
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|
#define LgLeaveCriticalSection( s ) UtilLeaveCriticalSection( s )
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|||
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|
#define LgEnterNestableCriticalSection( s ) UtilEnterNestableCriticalSection( s )
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|||
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|
#define LgLeaveNestableCriticalSection( s ) UtilLeaveNestableCriticalSection( s )
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|||
|
|
#define LgAssertCriticalSection( s ) UtilAssertCrit( s )
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|||
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|
#define LgDeleteCriticalSection( s ) UtilDeleteCriticalSection( s )
|
|||
|
|
|
|||
|
|
#endif /* !SGSEM */
|
|||
|
|
|
|||
|
|
#endif /* !WIN16 */
|
|||
|
|
|
|||
|
|
/* include other global DAE headers
|
|||
|
|
/**/
|
|||
|
|
#include "sys.h"
|
|||
|
|
#include "err.h"
|
|||
|
|
#include "daeconst.h"
|
|||
|
|
|
|||
|
|
#define fSTInitNotDone 0
|
|||
|
|
#define fSTInitInProgress 1
|
|||
|
|
#define fSTInitDone 2
|
|||
|
|
extern BOOL __near fSTInit;
|
|||
|
|
|