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
|
/*-
* Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <errno.h>
#include <pthread.h>
#include "threads.h"
int
cnd_broadcast(cnd_t *cond)
{
if (pthread_cond_broadcast(cond) != 0)
return (thrd_error);
return (thrd_success);
}
void
cnd_destroy(cnd_t *cond)
{
(void)pthread_cond_destroy(cond);
}
int
cnd_init(cnd_t *cond)
{
switch (pthread_cond_init(cond, NULL)) {
case 0:
return (thrd_success);
case ENOMEM:
return (thrd_nomem);
default:
return (thrd_error);
}
}
int
cnd_signal(cnd_t *cond)
{
if (pthread_cond_signal(cond) != 0)
return (thrd_error);
return (thrd_success);
}
int
cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
const struct timespec *restrict ts)
{
switch (pthread_cond_timedwait(cond, mtx, ts)) {
case 0:
return (thrd_success);
case ETIMEDOUT:
return (thrd_timedout);
default:
return (thrd_error);
}
}
int
cnd_wait(cnd_t *cond, mtx_t *mtx)
{
if (pthread_cond_wait(cond, mtx) != 0)
return (thrd_error);
return (thrd_success);
}
|
