28 lines
592 B
C
28 lines
592 B
C
|
#ifndef _LINUX_RATELIMIT_H
|
||
|
|
#define _LINUX_RATELIMIT_H
|
||
|
|
#include <linux/param.h>
|
||
|
|
|
||
|
|
#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ)
|
||
|
|
#define DEFAULT_RATELIMIT_BURST 10
|
||
|
|
|
||
|
|
struct ratelimit_state {
|
||
|
|
int interval;
|
||
|
|
int burst;
|
||
|
|
int printed;
|
||
|
|
int missed;
|
||
|
|
unsigned long begin;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DEFINE_RATELIMIT_STATE(name, interval, burst) \
|
||
|
|
struct ratelimit_state name = {interval, burst,}
|
||
|
|
|
||
|
|
extern int __ratelimit(struct ratelimit_state *rs);
|
||
|
|
|
||
|
|
static inline int ratelimit(void)
|
||
|
|
{
|
||
|
|
static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
|
||
|
|
DEFAULT_RATELIMIT_BURST);
|
||
|
|
return __ratelimit(&rs);
|
||
|
|
}
|
||
|
|
#endif
|