Xenomai  3.0.8
mutex.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_MUTEX_H
20 #define _ALCHEMY_MUTEX_H
21 
22 #include <copperplate/cluster.h>
23 #include <copperplate/registry.h>
24 #include <alchemy/mutex.h>
25 #include <alchemy/task.h>
26 
27 struct alchemy_mutex {
28  unsigned int magic; /* Must be first. */
29  char name[XNOBJECT_NAME_LEN];
30  pthread_mutex_t lock;
31  struct clusterobj cobj;
32  RT_TASK owner;
33  struct fsobj fsobj;
34 };
35 
36 #define mutex_magic 0x8585ebeb
37 
38 extern struct syncluster alchemy_mutex_table;
39 
40 struct alchemy_mutex *find_alchemy_mutex(RT_MUTEX *mutex, int *err_r);
41 
42 #endif /* _ALCHEMY_MUTEX_H */