diff options
Diffstat (limited to 'xbase64/xblock.h')
-rwxr-xr-x | xbase64/xblock.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/xbase64/xblock.h b/xbase64/xblock.h deleted file mode 100755 index 50dfcf2..0000000 --- a/xbase64/xblock.h +++ /dev/null @@ -1,159 +0,0 @@ -/* xblock.h - - Xbase project source code - - This file conatains a header file for the xbLock virtual objects which - is used for controlling file and record locking. Record and file - locking has been rewritten in version 3. - - Copyright (C) 1997,2003 Gary A Kunkel - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - You should have received a copy of the GNU Lesser General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - - Contact: - - Email: - - xdb-devel@lists.sourceforge.net - xdb-users@lists.sourceforge.net - - - Regular Mail: - - XBase Support - 149C South Main St - Keller Texas, 76248 - USA -*/ - -/*! \file xblock.h -*/ - -#ifndef __XB_XBLOCK_H__ -#define __XB_XBLOCK_H__ - -#ifdef __GNU LesserG__ -#pragma interface -#endif - -#ifdef XB_LOCKING_ON - -//! xbLock class -/*! -*/ - -class XBDLLEXPORT xbLock -{ -public: - xbLock( xbDbf * dbf ); - virtual ~xbLock(); - virtual xbShort LockTableHeader( xbShort LockType ) = 0; - virtual xbShort LockTable( xbShort LockType ) = 0; - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo, xbOffT len ) = 0; - virtual xbShort LockMemo( xbShort LockType ) = 0; - virtual xbShort LockIndex( xbShort LockType ) = 0; - virtual xbShort UnlockAll() = 0; - virtual xbShort LockInit() { return XB_NO_ERROR; } - -protected: - xbDbf *dbf; - xbShort HdrLockCnt; - xbShort TableLockCnt; - xbShort MemoLockCnt; - xbShort IndexLockCnt; - xbShort LockFile( int fn, xbShort LockType, xbOffT lockLen ); -}; - -class XBDLLEXPORT xbaseLock : xbLock -{ -public: - xbaseLock( xbDbf * pdbf ); - virtual ~xbaseLock() {} - virtual xbShort LockTableHeader( xbShort LockType ); - virtual xbShort LockTable( xbShort LockType ); - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo, xbOffT len ); - virtual xbShort LockMemo( xbShort LockType ); - virtual xbShort LockIndex( xbShort LockType ); - virtual xbShort UnlockAll(); - virtual xbShort LockInit(); -private: - FILE *lfh; /* lock file handle */ - -}; - -class XBDLLEXPORT dbaseLock : xbLock -{ -public: - dbaseLock( xbDbf * pdbf ); - virtual ~dbaseLock() {} - virtual xbShort LockTableHeader( xbShort LockType ); - virtual xbShort LockTable( xbShort LockType ); - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo, xbOffT len ); - virtual xbShort LockMemo( xbShort LockType ); - virtual xbShort LockIndex( xbShort LockType ); - virtual xbShort UnlockAll(); -}; - - -class XBDLLEXPORT clipperLock : xbLock -{ -public: - clipperLock( xbDbf * pdbf ); - virtual ~clipperLock() {} - virtual xbShort LockTableHeader( xbShort LockType ); - virtual xbShort LockTable( xbShort LockType ); - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo, xbOffT len ); - virtual xbShort LockMemo( xbShort LockType ); - virtual xbShort LockIndex( xbShort LockType ); - virtual xbShort UnlockAll(); -}; - -class XBDLLEXPORT foxproLock : xbLock -{ -public: - foxproLock( xbDbf * pdbf ); - virtual ~foxproLock() {} - virtual xbShort LockTableHeader( xbShort LockType ); - virtual xbShort LockTable( xbShort LockType ); - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo, xbOffT len ); - virtual xbShort LockMemo( xbShort LockType ); - virtual xbShort LockIndex( xbShort LockType ); - virtual xbShort UnlockAll(); -}; - -class XBDLLEXPORT noLock : xbLock -{ -public: - noLock( xbDbf * pdbf ) : xbLock( pdbf ) {}; - virtual ~noLock() {} - virtual xbShort LockTableHeader( xbShort LockType ) - { return XB_NO_ERROR; } - virtual xbShort LockTable( xbShort LockType ) - { return XB_NO_ERROR; } - virtual xbShort LockRecord( xbShort LockType, xbULong RecNo ) - { return XB_NO_ERROR; } - virtual xbShort LockMemo( xbShort LockType ) - { return XB_NO_ERROR; } - virtual xbShort LockIndex( xbShort LockType ) - { return XB_NO_ERROR; } - virtual xbShort UnlockAll() - { return XB_NO_ERROR; } -}; - - - - -#endif // XB_LOCKING_ON -#endif // __XB_XBLOCK_H__ |