initWithMaxCount:Copyright ©1995 by NeXT Computer, Inc. All Rights Reserved.
| IONetbufQueue |
| Inherits From: | Object | |
| Declared In: | driverkit/IONetbufQueue.h |
| Class Description |
| IONetbufQueue is used by network device drivers to store packets until they're transmitted. IONetbufQueue is a first-in first-out (FIFO) queue. |
| Instance Variables |
| None declared in this class. |
| Method Types |
| Creating and initializing instances |
| initWithMaxCount: |
| Adding and removing netbufs from the queue |
| enqueue: dequeue |
| Getting the size of the queue | count |
| maxCount |
| Instance Methods |
| count |
| (unsigned int)count |
| Returns the number of netbufs in the IONetbufQueue.
See also: |
| dequeue |
| (netbuf_t)dequeue |
| Removes and returns the netbuf that has been in the queue the longest. Returns NULL if no netbufs are in the queue. |
| enqueue: |
| (void)enqueue:(netbuf_t)netbuf |
| Adds the specified netbuf to the queue, unless the queue already has reached its maximum length. If the queue is at its maximum length, the netbuf is freed.
See also: |
| initWithMaxCount: |
| initWithMaxCount:(unsigned int)maxCount |
| Initializes and returns a newly allocated IONetbufQueue. The maximum number of netbufs in the queue is set to maxCount. |
| maxCount |
| (unsigned int)maxCount |
| Returns the maximum number of netbufs that can be in the IONetbufQueue. This number is set at initialization time.
See also: |