Files
systemd/src/basic/ratelimit.h
Zbigniew Jędrzejewski-Szmek fed25720ef core: use uniform style for RateLimit initialization
RateLimit is designed so that we can always initialize only the first two
fields explicitly. All other call sites use a single line for this.
2023-11-22 12:32:31 +00:00

31 lines
816 B
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include "time-util.h"
typedef struct RateLimit {
usec_t interval; /* Keep those two fields first so they can be initialized easily: */
unsigned burst; /* RateLimit rl = { INTERVAL, BURST }; */
unsigned num;
usec_t begin;
} RateLimit;
#define RATELIMIT_OFF (const RateLimit) { .interval = USEC_INFINITY, .burst = UINT_MAX }
static inline void ratelimit_reset(RateLimit *rl) {
rl->num = rl->begin = 0;
}
static inline bool ratelimit_configured(RateLimit *rl) {
return rl->interval > 0 && rl->burst > 0;
}
bool ratelimit_below(RateLimit *r);
unsigned ratelimit_num_dropped(RateLimit *r);
usec_t ratelimit_end(const RateLimit *rl);
usec_t ratelimit_left(const RateLimit *rl);