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Overview
| Comment: | Attempt to detect physical sector sizes on Windows Vista and higher. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | winSectorSize |
| Files: | files | file ages | folders |
| SHA1: |
6e388423c492c52aef221bd14f66482e |
| User & Date: | mistachkin 2017-01-12 23:37:52 |
Context
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2017-01-13
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| 22:21 | Merge updates from trunk. check-in: 8b42b8e3 user: mistachkin tags: winSectorSize | |
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2017-01-12
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| 23:37 | Attempt to detect physical sector sizes on Windows Vista and higher. check-in: 6e388423 user: mistachkin tags: winSectorSize | |
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2017-01-11
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| 16:52 | Attempt to detect physical sector sizes on Windows 8 and higher. check-in: 381fd34b user: mistachkin tags: winSectorSize | |
Changes
Changes to src/os_win.c.
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must be defined." #endif /* ** Define the required Windows SDK version constants if they are not ** already available. */ #ifndef _WIN32_WINNT_WIN8 # define _WIN32_WINNT_WIN8 0x0602 #endif #ifndef NTDDI_WIN8 # define NTDDI_WIN8 0x06020000 #endif ................................................................................ { "FlushViewOfFile", (SYSCALL)FlushViewOfFile, 0 }, #else { "FlushViewOfFile", (SYSCALL)0, 0 }, #endif #define osFlushViewOfFile \ ((BOOL(WINAPI*)(LPCVOID,SIZE_T))aSyscall[79].pCurrent) }; /* End of the overrideable system calls */ /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the ** "win32" VFSes. Return SQLITE_OK opon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ................................................................................ ** a database and its journal file) that the sector size will be the ** same for both. */ static int winSectorSize(sqlite3_file *id){ #if defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_WIN8 winFile *pFile = (winFile*)id; FILE_STORAGE_INFO info; if( osGetFileInformationByHandleEx(pFile->h, FileStorageInfo, &info, sizeof(info)) ){ ULONG size = info.FileSystemEffectivePhysicalBytesPerSectorForAtomicity; OSTRACE(("SECTOR file=%p, size=%lu\n", pFile->h, size)); if( size>0 && size<=2147483647 ){ return (int)size; } }else{ pFile->lastErrno = osGetLastError(); winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno, "winSectorSize", pFile->zPath); } #else (void)id; #endif return SQLITE_DEFAULT_SECTOR_SIZE; } ................................................................................ winGetSystemCall, /* xGetSystemCall */ winNextSystemCall, /* xNextSystemCall */ }; #endif /* Double-check that the aSyscall[] array has been constructed ** correctly. See ticket [bb3a86e890c8e96ab] */ assert( ArraySize(aSyscall)==80 ); /* get memory map allocation granularity */ memset(&winSysInfo, 0, sizeof(SYSTEM_INFO)); #if SQLITE_OS_WINRT osGetNativeSystemInfo(&winSysInfo); #else osGetSystemInfo(&winSysInfo); |
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must be defined." #endif /* ** Define the required Windows SDK version constants if they are not ** already available. */ #ifndef _WIN32_WINNT_VISTA # define _WIN32_WINNT_VISTA 0x0600 #endif #ifndef _WIN32_WINNT_WIN8 # define _WIN32_WINNT_WIN8 0x0602 #endif #ifndef NTDDI_WIN8 # define NTDDI_WIN8 0x06020000 #endif ................................................................................ { "FlushViewOfFile", (SYSCALL)FlushViewOfFile, 0 }, #else { "FlushViewOfFile", (SYSCALL)0, 0 }, #endif #define osFlushViewOfFile \ ((BOOL(WINAPI*)(LPCVOID,SIZE_T))aSyscall[79].pCurrent) #if defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_VISTA { "DeviceIoControl", (SYSCALL)DeviceIoControl, 0 }, #else { "DeviceIoControl", (SYSCALL)0, 0 }, #endif #define osDeviceIoControl ((BOOL(WINAPI*)( \ HANDLE,DWORD,LPVOID,DWORD,LPVOID,DWORD,LPVOID, \ LPOVERLAPPED))aSyscall[80].pCurrent) }; /* End of the overrideable system calls */ /* ** This is the xSetSystemCall() method of sqlite3_vfs for all of the ** "win32" VFSes. Return SQLITE_OK opon successfully updating the ** system call pointer, or SQLITE_NOTFOUND if there is no configurable ................................................................................ ** a database and its journal file) that the sector size will be the ** same for both. */ static int winSectorSize(sqlite3_file *id){ #if defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_WIN8 winFile *pFile = (winFile*)id; FILE_STORAGE_INFO info; memset(&info, 0, sizeof(FILE_STORAGE_INFO)); if( osGetFileInformationByHandleEx(pFile->h, FileStorageInfo, &info, sizeof(info)) ){ ULONG size = info.FileSystemEffectivePhysicalBytesPerSectorForAtomicity; OSTRACE(("SECTOR file=%p, size=%lu\n", pFile->h, size)); if( size>0 && size<=2147483647 ){ return (int)size; } }else{ pFile->lastErrno = osGetLastError(); winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno, "winSectorSize1", pFile->zPath); } #elif defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_VISTA winFile *pFile = (winFile*)id; if( winIsDriveLetterAndColon(pFile->zPath) ){ WCHAR zDisk[] = L"\\\\.\\_:\0"; /* underscore will be drive letter */ HANDLE hDisk; zDisk[4] = (WCHAR)pFile->zPath[0]; /* 'A' to 'Z' only, upper/lower case */ assert( (zDisk[4]>=L'A' && zDisk[4]<=L'Z') || (zDisk[4]>=L'a' && zDisk[4]<=L'z') ); hDisk = osCreateFileW(zDisk, STANDARD_RIGHTS_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if( hDisk!=NULL ){ STORAGE_PROPERTY_QUERY query; STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR alignment; DWORD bytes = 0; memset(&query, 0, sizeof(STORAGE_PROPERTY_QUERY)); memset(&alignment, 0, sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR)); query.QueryType = PropertyStandardQuery; query.PropertyId = StorageAccessAlignmentProperty; if( osDeviceIoControl(hDisk, IOCTL_STORAGE_QUERY_PROPERTY, &query, sizeof(STORAGE_PROPERTY_QUERY), &alignment, sizeof(STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR), &bytes, NULL) ){ DWORD size = alignment.BytesPerPhysicalSector; OSTRACE(("SECTOR file=%p, size=%lu\n", pFile->h, size)); if( size>0 && size<=2147483647 ){ return (int)size; } }else{ pFile->lastErrno = osGetLastError(); winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno, "winSectorSize2", pFile->zPath); } osCloseHandle(hDisk); }else{ pFile->lastErrno = osGetLastError(); winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno, "winSectorSize3", pFile->zPath); } } #else (void)id; #endif return SQLITE_DEFAULT_SECTOR_SIZE; } ................................................................................ winGetSystemCall, /* xGetSystemCall */ winNextSystemCall, /* xNextSystemCall */ }; #endif /* Double-check that the aSyscall[] array has been constructed ** correctly. See ticket [bb3a86e890c8e96ab] */ assert( ArraySize(aSyscall)==81 ); /* get memory map allocation granularity */ memset(&winSysInfo, 0, sizeof(SYSTEM_INFO)); #if SQLITE_OS_WINRT osGetNativeSystemInfo(&winSysInfo); #else osGetSystemInfo(&winSysInfo); |