[linux-2.6-block.git] / include / linux / delayed_call.h

#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
Commit	Line	Data
fceef393 AV	1	#ifndef _DELAYED_CALL_H
	2	#define _DELAYED_CALL_H
	3
	4	/*
	5	* Poor man's closures; I wish we could've done them sanely polymorphic,
	6	* but...
	7	*/
	8
	9	struct delayed_call {
	10	void (fn)(void );
	11	void *arg;
	12	};
	13
	14	#define DEFINE_DELAYED_CALL(name) struct delayed_call name = {NULL, NULL}
	15
	16	/* I really wish we had closures with sane typechecking... */
	17	static inline void set_delayed_call(struct delayed_call *call,
	18	void (fn)(void ), void *arg)
	19	{
	20	call->fn = fn;
	21	call->arg = arg;
	22	}
	23
	24	static inline void do_delayed_call(struct delayed_call *call)
	25	{
	26	if (call->fn)
	27	call->fn(call->arg);
	28	}
	29
	30	static inline void clear_delayed_call(struct delayed_call *call)
	31	{
	32	call->fn = NULL;
	33	}
	34	#endif