rom/dos/abortpkt.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include "dos_intern.h"
   9 #include <proto/exec.h>
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <dos/dosextens.h>
  15 #include <proto/dos.h>
  16
  17         AROS_LH2(void, AbortPkt,
  18
  19 /*  SYNOPSIS */
  20         AROS_LHA(struct MsgPort   *, port, D1),
  21         AROS_LHA(struct DosPacket *, pkt, D2),
  22
  23 /*  LOCATION */
  24         struct DosLibrary *, DOSBase, 44, Dos)
  25
  26 /*  FUNCTION
  27         Tries to abort an asynchronous packet. There is no guarantee
  28         that this succeeds. You must wait for the packet to return
  29         before you can reuse or deallocate it.
  30
  31     INPUTS
  32         port - the message port to where the packet was sent
  33         pkt  - the packet to be aborted
  34
  35     RESULT
  36
  37     NOTES
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44
  45     INTERNALS
  46
  47 *****************************************************************************/
  48 {
  49     AROS_LIBFUNC_INIT
  50
  51     if (NULL != (struct IORequest *)pkt->dp_Arg7) {
  52         if (0 == AbortIO((struct IORequest*)pkt->dp_Arg7))
  53         {
  54 #warning Still have to decide where to finally free the IORequest structure if this goes well
  55             FreeMem((APTR)pkt->dp_Arg7, sizeof(struct IOFileSys));
  56             pkt->dp_Arg7 = NULL;
  57         }
  58     }
  59     AROS_LIBFUNC_EXIT
  60 } /* AbortPkt */