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82 lines
3.4 KiB
C
82 lines
3.4 KiB
C
/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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* DESCRIBE IT HERE!
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*
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****************************************************************************/
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#define _ValidFile( fp, retval ) /* make sure fp is a valid pointer */
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#define SetupTGCSandNCS( x ) /* initialization for Netware/386 */
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#if defined(__SW_BM)
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#define _AccessFile( fp ) _AccessFileH( (fp)->_handle )
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#define _ReleaseFile( fp ) _ReleaseFileH( (fp)->_handle )
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#if defined(__386__) || defined(__AXP__) || defined(__PPC__)
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extern void (*_AccessFileH)( int );
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extern void (*_ReleaseFileH)( int );
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extern void (*_AccessIOB)( void );
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extern void (*_ReleaseIOB)( void );
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#else
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// 16bit OS/2 multi-thread is different
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extern void __AccessFileH( int );
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extern void __ReleaseFileH( int );
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extern void __AccessIOB( void );
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extern void __ReleaseIOB( void );
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// define macros to call the access routines directly for OS/2 1.x
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#define _AccessFileH( hdl ) __AccessFileH( hdl )
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#define _ReleaseFileH( hdl ) __ReleaseFileH( hdl )
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#define _AccessIOB() __AccessIOB()
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#define _ReleaseIOB() __ReleaseIOB()
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#endif
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#if defined(__NT__)
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extern void (*_AccessFList)( void );
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extern void (*_ReleaseFList)( void );
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#endif
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#else
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/* these are for multi thread support */
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/* they are not required if not building multi-thread library */
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/* note: 32 bit NETWARE, OS/2, NT, QNX libraries are always multi-thread */
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#define _AccessFile( fp ) /* gain access to the FILE* pointer */
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#define _ReleaseFile( fp ) /* release access */
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#define _AccessFileH( hdl ) /* gain access to the file handle */
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#define _ReleaseFileH( hdl ) /* release access */
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#define _AccessIOB() /* gain access to array of __iob's */
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#define _ReleaseIOB() /* release access */
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#if defined(__NT__)
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#define _AccessFList()
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#define _ReleaseFList()
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#endif
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#endif
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