blob: 633c34fd026001a01f4627d53b99bd1ad10db8d9 (
plain) (
blame)
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
|
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/wait.h>
#include <linux/sched.h>
#include <nvgpu/cond.h>
int nvgpu_cond_init(struct nvgpu_cond *cond)
{
init_waitqueue_head(&cond->wq);
cond->initialized = true;
return 0;
}
void nvgpu_cond_destroy(struct nvgpu_cond *cond)
{
cond->initialized = false;
}
int nvgpu_cond_signal(struct nvgpu_cond *cond)
{
if (!cond->initialized)
return -EINVAL;
wake_up(&cond->wq);
return 0;
}
int nvgpu_cond_signal_interruptible(struct nvgpu_cond *cond)
{
if (!cond->initialized)
return -EINVAL;
wake_up_interruptible(&cond->wq);
return 0;
}
int nvgpu_cond_broadcast(struct nvgpu_cond *cond)
{
if (!cond->initialized)
return -EINVAL;
wake_up_all(&cond->wq);
return 0;
}
int nvgpu_cond_broadcast_interruptible(struct nvgpu_cond *cond)
{
if (!cond->initialized)
return -EINVAL;
wake_up_interruptible_all(&cond->wq);
return 0;
}
|
