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/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
*
* IOEventSource.h - Common Event Source object class.
*
* HISTORY
* 22 May 1992 Mike Paquette at NeXT
* Created.
* 4 Aug 1993 Erik Kay at NeXT
* API cleanup
* 5 Aug 1993 Erik Kay at NeXT
* added ivar space for future expansion
*/
#import <driverkit/IODevice.h>
#import <driverkit/eventProtocols.h>
#import <machkit/NXLock.h>
@interface IOEventSource : IODevice <IOEventSourceExported>
{
@private
id _owner;
id _desiredOwner;
NXLock * _ownerLock; /* NXLock; protects _owner and*/
/* desiredOwner*/
int _reserved[4]; /* reserved for future expansion*/
}
+ registerEventSource:source; /* register as an event source*/
- init; /* Called by subclass's init to set up ownership glue*/
- free;
/*
* Methods used only by subclass.
*/
- owner;
- (NXLock *)ownerLock;
@end
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