Xenomai  3.0.8
semLib.h
1 /*
2  * Copyright (C) 2008 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  * This file satisfies the references within the emulator code
19  * mimicking a VxWorks-like API built upon the copperplate library.
20  *
21  * VxWorks is a registered trademark of Wind River Systems, Inc.
22  */
23 
24 #ifndef _XENOMAI_VXWORKS_SEMLIB_H
25 #define _XENOMAI_VXWORKS_SEMLIB_H
26 
27 #include <vxworks/types.h>
28 
29 #define SEM_Q_FIFO 0x0
30 #define SEM_Q_PRIORITY 0x1
31 #define SEM_DELETE_SAFE 0x4
32 #define SEM_INVERSION_SAFE 0x8
33 
34 typedef uintptr_t SEM_ID;
35 
36 typedef enum {
37  SEM_EMPTY =0,
38  SEM_FULL
39 } SEM_B_STATE;
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 STATUS semGive(SEM_ID sem_id);
46 
47 STATUS semTake(SEM_ID sem_id, int timeout);
48 
49 STATUS semFlush(SEM_ID sem_id);
50 
51 STATUS semDelete(SEM_ID sem_id);
52 
53 SEM_ID semBCreate(int flags, SEM_B_STATE state);
54 
55 SEM_ID semMCreate(int flags);
56 
57 SEM_ID semCCreate(int flags, int count);
58 
59 #ifdef __cplusplus
60 }
61 #endif
62 
63 #endif /* !_XENOMAI_VXWORKS_SEMLIB_H */