wxtimer.h

wimax BS simulation code,implemented under linux.

/*
 * This piece of code is totally free. If any pitfalls found, 
 * please feel free to contact me at [e-mail]
 * THANKS A LOT!
 */

#ifndef _WXTIMER_H
#define _WXTIMER_H


#include <pthread.h>

#include "list.h"
#include "types.h"


struct rb_node{
	struct rb_node *rb_parent;
	int rb_color;
#define RB_RED          1
#define RB_BLACK        2
	struct rb_node *rb_right;
	struct rb_node *rb_left;
};
#define rb_entry(ptr, type, member)                                     \
        ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))

struct rb_root{
	struct rb_node *rb_node;
};

typedef struct wxtimer_s{
	struct list_head link;
	struct rb_node rb_link;
	
	uint8_t type;
#define WXTIMER_TRIGGER		1
#define WXTIMER_PERIODIC	2
/*
	uint8_t stat;
#define WXTIMER_RUNNING		1
#define WXTIMER_PAUSE		2
*/
	uint32_t count;
	uint32_t timestamp;		/* sort by timestamp and future, from small to large */
	uint32_t future;

	uint32_t arga;
	void *argb;
	void (*action)(uint32_t arga, void *argb);
}wxtimer_t;

struct wxtimer_tree_s{
	pthread_mutex_t mutex;

	uint32_t nr;
	struct rb_root rb_root;
	struct rb_node *rb_first;	/* the least timestamp one */
};


extern uint32_t jiffies;


extern int32_t wxtimer_init();
extern int32_t wxtmpool_init();
extern void * do_task_timer(void *arg);
extern wxtimer_t *get_timer(uint8_t type, uint32_t count, uint32_t arga, void *argb, void (*action)(uint32_t, void *));
extern int32_t start_timer(wxtimer_t *timer);
extern int32_t cancel_timer(wxtimer_t *timer);
extern int32_t put_timer(wxtimer_t *timer);


#endif		/* WXTIMER_H */