]>
Commit | Line | Data |
---|---|---|
52ad194e | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
663996b3 MS |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2010 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
4c89c718 MP |
23 | #include <stdbool.h> |
24 | ||
25 | #include "time-util.h" | |
663996b3 MS |
26 | #include "util.h" |
27 | ||
28 | typedef struct RateLimit { | |
29 | usec_t interval; | |
30 | usec_t begin; | |
31 | unsigned burst; | |
32 | unsigned num; | |
33 | } RateLimit; | |
34 | ||
35 | #define RATELIMIT_DEFINE(_name, _interval, _burst) \ | |
36 | RateLimit _name = { \ | |
37 | .interval = (_interval), \ | |
38 | .burst = (_burst), \ | |
39 | .num = 0, \ | |
40 | .begin = 0 \ | |
41 | } | |
42 | ||
43 | #define RATELIMIT_INIT(v, _interval, _burst) \ | |
44 | do { \ | |
45 | RateLimit *_r = &(v); \ | |
46 | _r->interval = (_interval); \ | |
47 | _r->burst = (_burst); \ | |
48 | _r->num = 0; \ | |
49 | _r->begin = 0; \ | |
50 | } while (false) | |
51 | ||
52 | #define RATELIMIT_RESET(v) \ | |
53 | do { \ | |
54 | RateLimit *_r = &(v); \ | |
55 | _r->num = 0; \ | |
56 | _r->begin = 0; \ | |
57 | } while (false) | |
58 | ||
59 | bool ratelimit_test(RateLimit *r); |