]> git.ipfire.org Git - people/ms/systemd.git/blob - ratelimit.h
service: treat 0 timeouts as no timeouts
[people/ms/systemd.git] / ratelimit.h
1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
2
3 #ifndef fooratelimithfoo
4 #define fooratelimithfoo
5
6 /***
7 This file is part of systemd.
8
9 Copyright 2010 Lennart Poettering
10
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 ***/
24
25 #include "util.h"
26
27 typedef struct RateLimit {
28 usec_t interval;
29 usec_t begin;
30 unsigned burst;
31 unsigned n_printed, n_missed;
32 } RateLimit;
33
34 #define RATELIMIT_DEFINE(_name, _interval, _burst) \
35 RateLimit _name = { \
36 .interval = (_interval), \
37 .burst = (_burst), \
38 .n_printed = 0, \
39 .n_missed = 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->n_printed = 0; \
49 _r->n_missed = 0; \
50 _r->begin = 0; \
51 } while (false);
52
53 bool ratelimit_test(RateLimit *r);
54
55 #endif