Xenomai  3.0.8
buffer.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_BUFFER_H
20 #define _ALCHEMY_BUFFER_H
21 
22 #include <copperplate/registry-obstack.h>
23 #include <copperplate/syncobj.h>
24 #include <copperplate/cluster.h>
25 #include <alchemy/buffer.h>
26 
27 struct alchemy_buffer {
28  unsigned int magic; /* Must be first. */
29  char name[XNOBJECT_NAME_LEN];
30  struct syncobj sobj;
31  struct clusterobj cobj;
32  size_t bufsz;
33  int mode;
34  dref_type(void *) buf;
35  size_t rdoff;
36  size_t wroff;
37  size_t fillsz;
38  struct fsobj fsobj;
39 };
40 
41 struct alchemy_buffer_wait {
42  size_t size;
43 };
44 
45 #define buffer_magic 0x8989ebeb
46 
47 extern struct syncluster alchemy_buffer_table;
48 
49 #endif /* _ALCHEMY_BUFFER_H */