/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _DELAYED_CALL_H
#define _DELAYED_CALL_H

/*
 * Poor man's closures; I wish we could've done them sanely polymorphic,
 * but...
 */

struct delayed_call {
        void (*fn)(void *);
        void *arg;
};

#define DEFINE_DELAYED_CALL(name) struct delayed_call name = {NULL, NULL}

/* I really wish we had closures with sane typechecking... */
static inline void set_delayed_call(struct delayed_call *call,
                void (*fn)(void *), void *arg)
{
        call->fn = fn;
        call->arg = arg;
}

static inline void do_delayed_call(struct delayed_call *call)
{
        if (call->fn)
                call->fn(call->arg);
}

static inline void clear_delayed_call(struct delayed_call *call)
{
        call->fn = NULL;
}
#endif