37 lines
878 B
C
37 lines
878 B
C
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#ifndef _GPXE_INTERFACE_H
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#define _GPXE_INTERFACE_H
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/** @file
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*
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* Object communication interfaces
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*
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*/
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/** An object communication interface */
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struct interface {
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/** Destination interface
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*
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* When messages are sent via this interface, they will be
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* delivered to the destination interface.
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*
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* This pointer may never be NULL. When the interface is
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* unplugged, it should point to a null interface.
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*/
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struct interface *dest;
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/** Update reference count
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*
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* @v intf Interface
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* @v delta Change to apply to reference count
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*
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* This method updates the reference count for the object
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* containing the interface.
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*/
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void ( * refcnt ) ( struct interface *intf, int delta );
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};
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extern void plug ( struct interface *intf, struct interface *dest );
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extern void null_refcnt ( struct interface *intf, int delta );
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#endif /* _GPXE_INTERFACE_H */
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