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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2010 Marc Kleine-Budde <mkl@pengutronix.de>
*/
#ifndef POLLER_H
#define POLLER_H
#include <linux/list.h>
#include <linux/types.h>
struct poller_struct {
void (*func)(struct poller_struct *poller);
int registered;
struct list_head list;
char *name;
};
int poller_register(struct poller_struct *poller, const char *name);
int poller_unregister(struct poller_struct *poller);
struct poller_async;
struct poller_async {
struct poller_struct poller;
void (*fn)(void *);
void *ctx;
uint64_t end;
int active;
};
int poller_async_register(struct poller_async *pa, const char *name);
int poller_async_unregister(struct poller_async *pa);
int poller_call_async(struct poller_async *pa, uint64_t delay_ns,
void (*fn)(void *), void *ctx);
int poller_async_cancel(struct poller_async *pa);
static inline bool poller_async_active(struct poller_async *pa)
{
return pa->active;
}
#ifdef CONFIG_POLLER
bool poller_active(void);
void poller_call(void);
#else
static inline bool poller_active(void)
{
return false;
}
static inline void poller_call(void)
{
}
#endif /* CONFIG_POLLER */
#endif /* !POLLER_H */
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