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Overview
Comment: | Further corrections to the Win32 interface for lsm1. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
4df6e2476ce93b9ca7a6959c8c2d6ef2 |
User & Date: | mistachkin 2017-06-29 15:13:48.585 |
Context
2017-06-29
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15:24 | Add interfaces sqlite3_prepare_v3() and sqlite3_prepare16_v3() with the extra prepFlags argument. Add the SQLITE_PREPARE_PERSISTENT option as one bit in that argument. Use the new option in FTS3, FTS5, and RTREE. (check-in: 03977248e6 user: drh tags: trunk) | |
15:13 | Further corrections to the Win32 interface for lsm1. (check-in: 4df6e2476c user: mistachkin tags: trunk) | |
14:33 | Rename the "stmts" virtual table to just "stmt" without the final "s". (check-in: adfdb80105 user: drh tags: trunk) | |
Changes
Changes to ext/lsm1/lsm_win32.c.
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567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 | lsmFree(pEnv, zConverted); return rc; } static int lsmWin32OsUnlink(lsm_env *pEnv, const char *zFile){ return win32Delete(pEnv, zFile); } int lsmWin32OsLock(lsm_file *pFile, int iLock, int eType){ Win32File *pWin32File = (Win32File *)pFile; OVERLAPPED ovlp; assert( LSM_LOCK_UNLOCK==0 ); assert( LSM_LOCK_SHARED==1 ); assert( LSM_LOCK_EXCL==2 ); assert( eType>=LSM_LOCK_UNLOCK && eType<=LSM_LOCK_EXCL ); assert( iLock>0 && iLock<=32 ); memset(&ovlp, 0, sizeof(OVERLAPPED)); ovlp.Offset = (4096-iLock); if( eType>LSM_LOCK_UNLOCK ){ DWORD flags = LOCKFILE_FAIL_IMMEDIATELY; if( eType>=LSM_LOCK_EXCL ) flags |= LOCKFILE_EXCLUSIVE_LOCK; if( !LockFileEx(pWin32File->hFile, flags, 0, 1, 0, &ovlp) ){ | > > > > > | | 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 | lsmFree(pEnv, zConverted); return rc; } static int lsmWin32OsUnlink(lsm_env *pEnv, const char *zFile){ return win32Delete(pEnv, zFile); } #if !defined(win32IsLockBusy) #define win32IsLockBusy(a) (((a)==ERROR_LOCK_VIOLATION) || \ ((a)==ERROR_IO_PENDING)) #endif int lsmWin32OsLock(lsm_file *pFile, int iLock, int eType){ Win32File *pWin32File = (Win32File *)pFile; OVERLAPPED ovlp; assert( LSM_LOCK_UNLOCK==0 ); assert( LSM_LOCK_SHARED==1 ); assert( LSM_LOCK_EXCL==2 ); assert( eType>=LSM_LOCK_UNLOCK && eType<=LSM_LOCK_EXCL ); assert( iLock>0 && iLock<=32 ); memset(&ovlp, 0, sizeof(OVERLAPPED)); ovlp.Offset = (4096-iLock); if( eType>LSM_LOCK_UNLOCK ){ DWORD flags = LOCKFILE_FAIL_IMMEDIATELY; if( eType>=LSM_LOCK_EXCL ) flags |= LOCKFILE_EXCLUSIVE_LOCK; if( !LockFileEx(pWin32File->hFile, flags, 0, 1, 0, &ovlp) ){ if( win32IsLockBusy(GetLastError()) ){ return LSM_BUSY; }else{ return LSM_IOERR_BKPT; } } }else{ if( !UnlockFileEx(pWin32File->hFile, 0, 1, 0, &ovlp) ){ |
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614 615 616 617 618 619 620 | assert( nLock>=0 ); assert( iLock>0 && iLock<=32 ); if( eType>=LSM_LOCK_EXCL ) flags |= LOCKFILE_EXCLUSIVE_LOCK; memset(&ovlp, 0, sizeof(OVERLAPPED)); ovlp.Offset = (4096-iLock); if( !LockFileEx(pWin32File->hFile, flags, 0, (DWORD)nLock, 0, &ovlp) ){ | | | 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 | assert( nLock>=0 ); assert( iLock>0 && iLock<=32 ); if( eType>=LSM_LOCK_EXCL ) flags |= LOCKFILE_EXCLUSIVE_LOCK; memset(&ovlp, 0, sizeof(OVERLAPPED)); ovlp.Offset = (4096-iLock); if( !LockFileEx(pWin32File->hFile, flags, 0, (DWORD)nLock, 0, &ovlp) ){ if( win32IsLockBusy(GetLastError()) ){ return LSM_BUSY; }else{ return LSM_IOERR_BKPT; } } UnlockFileEx(pWin32File->hFile, 0, (DWORD)nLock, 0, &ovlp); return LSM_OK; |
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682 683 684 685 686 687 688 | apNew[i] = NULL; } pWin32File->ahShm = ahNew; pWin32File->apShm = apNew; pWin32File->nShm = nNew; } | | < > > > | | < | 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 | apNew[i] = NULL; } pWin32File->ahShm = ahNew; pWin32File->apShm = apNew; pWin32File->nShm = nNew; } if( pWin32File->ahShm[iChunk]==NULL ){ HANDLE hMap; hMap = CreateFileMappingW(pWin32File->hShmFile, NULL, PAGE_READWRITE, 0, (DWORD)sz, NULL); if( hMap==NULL ){ return LSM_IOERR_BKPT; } pWin32File->ahShm[iChunk] = hMap; } if( pWin32File->apShm[iChunk]==NULL ){ LPVOID pMap; pMap = MapViewOfFile(pWin32File->ahShm[iChunk], FILE_MAP_WRITE | FILE_MAP_READ, 0, 0, (SIZE_T)sz); if( pMap==NULL ){ return LSM_IOERR_BKPT; } pWin32File->apShm[iChunk] = pMap; } *ppShm = pWin32File->apShm[iChunk]; return LSM_OK; } void lsmWin32OsShmBarrier(void){ MemoryBarrier(); |
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