Xenomai  3.0.8
queue.h
1 /*
2  * Copyright (C) 2011 Philippe Gerum <rpm@xenomai.org>.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13 
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17  */
18 
19 #ifndef _ALCHEMY_QUEUE_H
20 #define _ALCHEMY_QUEUE_H
21 
22 #include <boilerplate/list.h>
23 #include <copperplate/syncobj.h>
24 #include <copperplate/registry.h>
25 #include <copperplate/cluster.h>
26 #include <copperplate/heapobj.h>
27 #include <alchemy/queue.h>
28 
29 struct alchemy_queue {
30  unsigned int magic; /* Must be first. */
31  char name[XNOBJECT_NAME_LEN];
32  int mode;
33  size_t limit;
34  struct heapobj hobj;
35  struct syncobj sobj;
36  struct clusterobj cobj;
37  struct listobj mq;
38  unsigned int mcount;
39  struct fsobj fsobj;
40 };
41 
42 #define queue_magic 0x8787ebeb
43 
44 struct alchemy_queue_msg {
45  size_t size;
46  unsigned int refcount;
47  struct holder next;
48  /* Payload data follows. */
49 };
50 
51 struct alchemy_queue_wait {
52  dref_type(struct alchemy_queue_msg *) msg;
53  void *local_buf;
54  size_t local_bufsz;
55 };
56 
57 extern struct syncluster alchemy_queue_table;
58 
59 #endif /* _ALCHEMY_QUEUE_H */