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- /*
- (C) 1995, 96 AROS - The Amiga Replacement OS
- $Id$
- $Log$
- Desc:
- Lang: english
- */
- #include "exec_intern.h"
- #include <exec/io.h>
- #include <dos/dos.h>
- #include <aros/libcall.h>
-
- /*****************************************************************************
-
- NAME */
- #include <clib/exec_protos.h>
-
- __AROS_LH1(void, CloseDevice,
-
- /* SYNOPSIS */
- __AROS_LA(struct IORequest *, iORequest, A1),
-
- /* LOCATION */
- struct ExecBase *, SysBase, 75, Exec)
-
- /* FUNCTION
- Closes a previously opened device. Any outstanding I/O requests must
- be finished. It is safe to call CloseDevice with a cleared iorequest
- structure or one that failed to open.
-
- INPUTS
- iORequest - Pointer to iorequest structure.
-
- RESULT
-
- NOTES
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
- OpenDevice().
-
- INTERNALS
-
- HISTORY
-
- ******************************************************************************/
- {
- __AROS_FUNC_INIT
-
- /* Single-thread the close routine. */
- Forbid();
-
- /* Something to do? */
- if(iORequest->io_Device!=NULL)
- {
- (void) __AROS_LC1 (LONG, closeDevice,
- __AROS_LCA(struct IORequest *, iORequest, A1),
- struct Device *, iORequest->io_Device, 2, Device);
- /*
- Normally you'd expect the device to be expunged if this returns
- non-zero, but this is only exec which doesn't know anything about
- seglists - therefore dos.library has to SetFunction() into this
- vector for the additional functionality.
- */
-
- /* Trash device field */
- iORequest->io_Device=(struct Device *)-1;
- }
-
- /* All done. */
- Permit();
-
- __AROS_FUNC_EXIT
- } /* CloseDevice */
-
-