1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* $OpenBSD: rthread_mutexattr.c,v 1.3 2012/04/13 13:50:37 kurt Exp $ */
/*
* Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org>
* Copyright (c) 2011 Philip Guenther <guenther@openbsd.org>
* All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Mutex attributes
*/
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#include <pthread_np.h>
#include "rthread.h"
int
pthread_mutexattr_init(pthread_mutexattr_t *attrp)
{
pthread_mutexattr_t attr;
attr = calloc(1, sizeof(*attr));
if (!attr)
return (errno);
attr->ma_type = PTHREAD_MUTEX_DEFAULT;
*attrp = attr;
return (0);
}
int
pthread_mutexattr_destroy(pthread_mutexattr_t *attrp)
{
free(*attrp);
*attrp = NULL;
return (0);
}
int
pthread_mutexattr_settype(pthread_mutexattr_t *attrp, int type)
{
if (type < PTHREAD_MUTEX_ERRORCHECK || type >= PTHREAD_MUTEX_TYPE_MAX)
return (EINVAL);
(*attrp)->ma_type = type;
return (0);
}
int
pthread_mutexattr_gettype(pthread_mutexattr_t *attrp, int *type)
{
*type = (*attrp)->ma_type;
return (0);
}
int
pthread_mutexattr_setprotocol(pthread_mutexattr_t *attrp, int protocol)
{
if (protocol < PTHREAD_PRIO_NONE || protocol > PTHREAD_PRIO_PROTECT)
return (EINVAL);
(*attrp)->ma_protocol = protocol;
return (0);
}
int
pthread_mutexattr_getprotocol(pthread_mutexattr_t *attrp, int *protocol)
{
*protocol = (*attrp)->ma_protocol;
return (0);
}
int
pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attrp, int prioceiling)
{
if (prioceiling < PTHREAD_MIN_PRIORITY ||
prioceiling > PTHREAD_MAX_PRIORITY)
return (EINVAL);
(*attrp)->ma_prioceiling = prioceiling;
return (0);
}
int
pthread_mutexattr_getprioceiling(pthread_mutexattr_t *attrp, int *prioceiling)
{
*prioceiling = (*attrp)->ma_prioceiling;
return (0);
}
int
pthread_mutexattr_getkind_np(pthread_mutexattr_t attrp)
{
int ret;
if (attrp == NULL)
ret = EINVAL;
else
ret = attrp->ma_type;
return(ret);
}
int
pthread_mutexattr_setkind_np(pthread_mutexattr_t *attrp, int kind)
{
int ret;
if (attrp == NULL || *attrp == NULL ||
kind < PTHREAD_MUTEX_ERRORCHECK || kind >= PTHREAD_MUTEX_TYPE_MAX)
ret = EINVAL;
else {
(*attrp)->ma_type = kind;
ret = 0;
}
return (ret);
}
|
