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Diffstat (limited to 'src/ratelimit.h')
| -rw-r--r-- | src/ratelimit.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/ratelimit.h b/src/ratelimit.h new file mode 100644 index 0000000000..e7dffb8bfa --- /dev/null +++ b/src/ratelimit.h @@ -0,0 +1,55 @@ +/*-*- Mode: C; c-basic-offset: 8 -*-*/ + +#ifndef fooratelimithfoo +#define fooratelimithfoo + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that 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 systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include "util.h" + +typedef struct RateLimit { + usec_t interval; + usec_t begin; + unsigned burst; + unsigned n_printed, n_missed; +} RateLimit; + +#define RATELIMIT_DEFINE(_name, _interval, _burst) \ + RateLimit _name = { \ + .interval = (_interval), \ + .burst = (_burst), \ + .n_printed = 0, \ + .n_missed = 0, \ + .begin = 0 \ + } + +#define RATELIMIT_INIT(v, _interval, _burst) \ + do { \ + RateLimit *_r = &(v); \ + _r->interval = (_interval); \ + _r->burst = (_burst); \ + _r->n_printed = 0; \ + _r->n_missed = 0; \ + _r->begin = 0; \ + } while (false); + +bool ratelimit_test(RateLimit *r); + +#endif |