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- /*
- (C) 1995-96 AROS - The Amiga Replacement OS
- $Id: doio.c,v 1.9 1997/01/10 04:10:14 ldp Exp $
-
- Desc:
- Lang: english
- */
- #include <exec/execbase.h>
- #include <exec/io.h>
- #include <aros/libcall.h>
- #include <proto/exec.h>
-
- /*****************************************************************************
-
- NAME */
-
- AROS_LH1(BYTE, DoIO,
-
- /* SYNOPSIS */
- AROS_LHA(struct IORequest *, iORequest, A1),
-
- /* LOCATION */
- struct ExecBase *, SysBase, 76, Exec)
-
- /* FUNCTION
- Start an I/O request by calling the devices's BeginIO() vector.
- It waits until the request is complete.
-
- INPUTS
- iORequest - Pointer to iorequest structure.
-
- RESULT
-
- NOTES
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
- OpenDevice(), CloseDevice(), DoIO(), SendIO(), AbortIO(), WaitIO()
-
- INTERNALS
-
- HISTORY
-
- ******************************************************************************/
- {
- AROS_LIBFUNC_INIT
-
- /*
- Prepare the message. Tell the device that it is OK to wait in the
- BeginIO() call by setting the quick bit.
- */
- iORequest->io_Flags=IOF_QUICK;
- iORequest->io_Message.mn_Node.ln_Type=0;
-
- /* Call BeginIO() vector */
- AROS_LVO_CALL1NR(
- AROS_LCA(struct IORequest *,iORequest,A1),
- struct Device *,iORequest->io_Device,5,
- );
-
- /* It the quick flag is cleared it wasn't done quick. Wait for completion. */
- if(!(iORequest->io_Flags&IOF_QUICK))
- WaitIO(iORequest);
-
- /* All done. Get returncode. */
- return iORequest->io_Error;
- AROS_LIBFUNC_EXIT
- } /* DoIO */
-
-