xref: /freebsd/contrib/ofed/opensm/complib/cl_complib.c (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
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 #if HAVE_CONFIG_H
37 #  include <config.h>
38 #endif				/* HAVE_CONFIG_H */
39 
40 #include <complib/cl_types.h>
41 #include <complib/cl_debug.h>
42 #include <complib/cl_spinlock.h>
43 
44 #include <stdio.h>
45 #include <unistd.h>
46 #include <stdlib.h>
47 
48 /*
49  *  Prototypes
50  */
51 
52 extern cl_status_t __cl_timer_prov_create(void);
53 
54 extern void __cl_timer_prov_destroy(void);
55 
56 cl_spinlock_t cl_atomic_spinlock;
57 
58 void complib_init(void)
59 {
60 	cl_status_t status = CL_SUCCESS;
61 
62 	status = cl_spinlock_init(&cl_atomic_spinlock);
63 	if (status != CL_SUCCESS)
64 		goto _error;
65 
66 	status = __cl_timer_prov_create();
67 	if (status != CL_SUCCESS)
68 		goto _error;
69 	return;
70 
71 _error:
72 	cl_msg_out("__init: failed to create complib (%s)\n",
73 		   CL_STATUS_MSG(status));
74 	exit(1);
75 }
76 
77 void complib_exit(void)
78 {
79 	__cl_timer_prov_destroy();
80 	cl_spinlock_destroy(&cl_atomic_spinlock);
81 }
82 
83 boolean_t cl_is_debug(void)
84 {
85 #if defined( _DEBUG_ )
86 	return TRUE;
87 #else
88 	return FALSE;
89 #endif				/* defined( _DEBUG_ ) */
90 }
91