| /* |
| * Copyright (c) 2007-2013 Xilinx, Inc. All rights reserved. |
| * |
| * Xilinx, Inc. |
| * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A |
| * COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS |
| * ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR |
| * STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION |
| * IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE |
| * FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. |
| * XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO |
| * THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO |
| * ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE |
| * FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY |
| * AND FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| */ |
| |
| #ifndef __LWIP_PBUF_QUEUE_H_ |
| #define __LWIP_PBUF_QUEUE_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define PQ_QUEUE_SIZE 4096 |
| |
| typedef struct { |
| void *data[PQ_QUEUE_SIZE]; |
| int head, tail, len; |
| } pq_queue_t; |
| |
| pq_queue_t* pq_create_queue(); |
| int pq_enqueue(pq_queue_t *q, void *p); |
| void* pq_dequeue(pq_queue_t *q); |
| int pq_qlength(pq_queue_t *q); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
