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a7b4f8fc EGE |
1 | /* |
2 | * Helper functionality for some process progress tracking. | |
3 | * | |
4 | * Copyright (c) 2011 IBM Corp. | |
5 | * Copyright (c) 2012, 2018 Red Hat, Inc. | |
6 | * Copyright (c) 2020 Virtuozzo International GmbH | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
24 | * THE SOFTWARE. | |
25 | */ | |
df4bbc9d | 26 | |
a7b4f8fc | 27 | #include "qemu/osdep.h" |
df4bbc9d | 28 | #include "qemu/coroutine.h" |
a7b4f8fc EGE |
29 | #include "qemu/progress_meter.h" |
30 | ||
31 | void progress_init(ProgressMeter *pm) | |
32 | { | |
33 | qemu_mutex_init(&pm->lock); | |
34 | } | |
35 | ||
36 | void progress_destroy(ProgressMeter *pm) | |
37 | { | |
38 | qemu_mutex_destroy(&pm->lock); | |
39 | } | |
40 | ||
41 | void progress_get_snapshot(ProgressMeter *pm, uint64_t *current, | |
42 | uint64_t *total) | |
43 | { | |
44 | QEMU_LOCK_GUARD(&pm->lock); | |
45 | ||
46 | *current = pm->current; | |
47 | *total = pm->total; | |
48 | } | |
49 | ||
50 | void progress_work_done(ProgressMeter *pm, uint64_t done) | |
51 | { | |
52 | QEMU_LOCK_GUARD(&pm->lock); | |
53 | pm->current += done; | |
54 | } | |
55 | ||
56 | void progress_set_remaining(ProgressMeter *pm, uint64_t remaining) | |
57 | { | |
58 | QEMU_LOCK_GUARD(&pm->lock); | |
59 | pm->total = pm->current + remaining; | |
60 | } | |
61 | ||
62 | void progress_increase_remaining(ProgressMeter *pm, uint64_t delta) | |
63 | { | |
64 | QEMU_LOCK_GUARD(&pm->lock); | |
65 | pm->total += delta; | |
66 | } |