compiler/include/dos/record.h

   1 #ifndef DOS_RECORD_H
   2 #define DOS_RECORD_H
   3
   4 /*
   5     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Record structures and definitions.
   9     Lang: english
  10 */
  11
  12 #ifndef DOS_DOS_H
  13 #   include <dos/dos.h>
  14 #endif
  15
  16
  17 /* LockRecord() and LockRecords() locking modes. EXCLUSIVE modes mean that
  18    nobody else is allowed to lock a specific record, which is allowed, when
  19    locking with SHARED mode. When using IMMED modes, the timeout is ignored. */
  20 #define REC_EXCLUSIVE       0
  21 #define REC_EXCLUSIVE_IMMED 1
  22 #define REC_SHARED          2
  23 #define REC_SHARED_IMMED    3
  24
  25
  26 /* Structure as passed to LockRecords() and UnLockRecords(). */
  27 struct RecordLock64
  28 {
  29     BPTR  rec_FH;     /* (struct FileHandle *) The file to get the current
  30                          record from. */
  31     UQUAD rec_Offset; /* The offset, the current record should start. */
  32     UQUAD rec_Length; /* The length of the current record. */
  33     ULONG rec_Mode;   /* The mode od locking (see above). */
  34 };
  35
  36 struct RecordLock32
  37 {
  38     BPTR  rec_FH;     /* (struct FileHandle *) The file to get the current
  39                          record from. */
  40     ULONG rec_Offset; /* The offset, the current record should start. */
  41     ULONG rec_Length; /* The length of the current record. */
  42     ULONG rec_Mode;   /* The mode od locking (see above). */
  43 };
  44
  45 #if (__DOS64)
  46 #define RecordLock RecordLock64
  47 #else
  48 #define RecordLock RecordLock32
  49 #endif
  50
  51 #endif /* DOS_RECORD_H */