68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
//
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// $Id: MessageQueue.h,v 1.1 2002/07/09 12:24:32 ejakowatz Exp $
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//
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// This is the BMessageQueue interface for OpenBeOS. It has been created
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// to be source and binary compatible with the BeOS version of
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// BMessageQueue.
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//
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#ifndef _OPENBEOS_MESSAGEQUEUE_H
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#define _OPENBEOS_MESSAGEQUEUE_H
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#include "Locker.h"
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class BMessage;
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#ifdef USE_OPENBEOS_NAMESPACE
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namespace OpenBeOS {
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#endif
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class BMessageQueue {
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public:
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BMessageQueue();
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virtual ~BMessageQueue();
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void AddMessage(BMessage *message);
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void RemoveMessage(BMessage *message);
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int32 CountMessages(void) const;
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bool IsEmpty(void) const;
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BMessage *FindMessage(int32 index) const;
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BMessage *FindMessage(uint32 what, int32 index=0) const;
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bool Lock(void);
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void Unlock(void);
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bool IsLocked(void);
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BMessage *NextMessage(void);
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private:
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// Reserved space in the vtable for future changes to BMessageQueue
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virtual void _ReservedMessageQueue1(void);
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virtual void _ReservedMessageQueue2(void);
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virtual void _ReservedMessageQueue3(void);
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BMessageQueue(const BMessageQueue &);
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BMessageQueue &operator=(const BMessageQueue &);
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BMessage *fTheQueue;
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BMessage *fQueueTail;
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int32 fMessageCount;
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BLocker fLocker;
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// Reserved space for future changes to BMessageQueue
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uint32 fReservedSpace[3];
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};
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#ifdef USE_OPENBEOS_NAMESPACE
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}
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#endif
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#endif // _OPENBEOS_MESSAGEQUEUE_H
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