workbench/libs/asyncio/src/RecordAsyncFailure.c

   1 #include "async.h"
   2
   3
   4 /* this function records a failure from a synchronous DOS call into the
   5  * packet so that it gets picked up by the other IO routines in this module
   6  */
   7 VOID
   8 AS_RecordSyncFailure( AsyncFile *file )
   9 {
  10 #ifdef ASIO_NOEXTERNALS
  11         struct DosLibrary       *DOSBase = file->af_DOSBase;
  12 #endif
  13
  14         /* MH: Back up some values to make it possible to resume operation
  15          * after seeks past EOF.
  16          */
  17         file->af_LastRes1 = file->af_Packet.sp_Pkt.dp_Res1;
  18         file->af_LastBytesLeft = file->af_BytesLeft;
  19
  20         file->af_Packet.sp_Pkt.dp_Res1  = -1;
  21         file->af_Packet.sp_Pkt.dp_Res2  = IoErr();
  22         /* MH: To make sure we can't read/write despite an error condition */
  23         file->af_BytesLeft = 0;
  24 }