xref: /freebsd/contrib/ofed/opensm/include/complib/cl_spinlock_osd.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*
2  * Copyright (c) 2004-2006 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  *
34  */
35 
36 /*
37  * Abstract:
38  *	Implementation of spin lock object.
39  */
40 
41 #ifndef _CL_SPINLOCK_OSD_H_
42 #define _CL_SPINLOCK_OSD_H_
43 
44 #ifdef __cplusplus
45 #  define BEGIN_C_DECLS extern "C" {
46 #  define END_C_DECLS   }
47 #else				/* !__cplusplus */
48 #  define BEGIN_C_DECLS
49 #  define END_C_DECLS
50 #endif				/* __cplusplus */
51 
52 BEGIN_C_DECLS
53 #include <complib/cl_types.h>
54 #include <pthread.h>		/* usr/include/ */
55 typedef struct _cl_spinlock_t {
56 	pthread_mutex_t mutex;
57 	cl_state_t state;
58 } cl_spinlock_t;
59 
60 END_C_DECLS
61 #endif				/* _CL_SPINLOCK_OSD_H_ */
62