1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2012 Tatsuhiro Tsujikawa
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 #ifndef NGHTTP2_QUEUE_H
26 #define NGHTTP2_QUEUE_H
27 
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif /* HAVE_CONFIG_H */
31 
32 #include "nghttp2.h"
33 
34 typedef struct nghttp2_queue_cell {
35     void *data;
36     struct nghttp2_queue_cell *next;
37 } nghttp2_queue_cell;
38 
39 typedef struct {
40     nghttp2_queue_cell *front, *back;
41 } nghttp2_queue;
42 
43 void nghttp2_queue_init(nghttp2_queue *queue);
44 void nghttp2_queue_free(nghttp2_queue *queue);
45 int nghttp2_queue_push(nghttp2_queue *queue, void *data);
46 void nghttp2_queue_pop(nghttp2_queue *queue);
47 void *nghttp2_queue_front(nghttp2_queue *queue);
48 void *nghttp2_queue_back(nghttp2_queue *queue);
49 int nghttp2_queue_empty(nghttp2_queue *queue);
50 
51 #endif /* NGHTTP2_QUEUE_H */
52