--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/mb_timer.h	Wed Nov 05 15:24:01 2008 +0800
@@ -0,0 +1,78 @@
+#ifndef __MB_TIMER_H_
+#define __MB_TIMER_H_
+
+#include <sys/time.h>
+#include <stdint.h>
+
+typedef uint32_t mbsec_t;
+typedef uint32_t mbusec_t;
+typedef struct _mb_timer mb_timer_t;
+typedef struct _mb_tman mb_tman_t;
+typedef struct timeval mb_timeval_t;
+
+
+typedef void (*mb_tmo_hdlr)(const mb_timeval_t *tmo,
+			    const mb_timeval_t *now,
+			    void *arg);
+
+extern mb_tman_t *mb_tman_new(void);
+extern void mb_tman_free(mb_tman_t *tman);
+extern mb_timer_t *mb_tman_timeout(mb_tman_t *tman,
+				   const mb_timeval_t *tmo,
+				   mb_tmo_hdlr hdlr, void *arg);
+extern int mb_tman_remove(mb_tman_t *tman, mb_timer_t *timer);
+extern int mb_tman_next_timeout(mb_tman_t *tman,
+				const mb_timeval_t *now,
+				mb_timeval_t *tmo_after);
+extern int mb_tman_handle_timeout(mb_tman_t *tman, mb_timeval_t *now);
+
+#define MB_TIMEVAL_SET(_tv, _sec, _usec)	\
+    do {					\
+	(_tv)->tv_sec = _sec;			\
+	(_tv)->tv_usec = _usec;			\
+    } while(0)
+#define MB_TIMEVAL_CP(_tv1, _tv2)		\
+    do {					\
+	(_tv1)->tv_sec = (_tv2)->tv_sec;	\
+	(_tv1)->tv_usec = (_tv2)->tv_usec;	\
+    } while(0)
+#define MB_TIMEVAL_SEC(_tv) ((_tv)->tv_sec)
+#define MB_TIMEVAL_USEC(_tv) ((_tv)->tv_usec)
+#define MB_TIMEVAL_LATER(a, b)			\
+    ((a)->tv_sec > (b)->tv_sec ||		\
+     ((a)->tv_sec == (b)->tv_sec &&		\
+      (a)->tv_usec > (b)->tv_usec))
+#define MB_TIMEVAL_LATER_INC(a, b)		\
+    ((a)->tv_sec > (b)->tv_sec ||		\
+     ((a)->tv_sec == (b)->tv_sec &&		\
+      (a)->tv_usec >= (b)->tv_usec))
+#define MB_TIMEVAL_EQ(a, b)			\
+    ((a)->tv_sec == (b)->tv_sec &&		\
+     (a)->tv_usec == (b)->tv_usec)
+#define MB_TIMEVAL_DIFF(a, b)			\
+    do {					\
+	(a)->tv_sec -= (b)->tv_sec;		\
+	if((a)->tv_usec < (b)->tv_usec) {	\
+	    (a)->tv_sec--;			\
+	    (a)->tv_usec += 1000000;		\
+	}					\
+	(a)->tv_usec -= (b)->tv_usec;		\
+    } while(0)
+#define MB_TIMEVAL_ADD(a, b)			\
+    do {					\
+	(a)->tv_sec += (b)->tv_sec;		\
+	(a)->tv_usec += (b)->tv_usec;		\
+	if((a)->tv_usec >= 1000000) {		\
+	    (a)->tv_sec++;			\
+	    (a)->tv_usec -= 1000000;		\
+	}					\
+    } while(0)
+#define MB_TIMEVAL_DIV(a, b)			\
+    (((a)->tv_sec * 1000000.0 + (a)->tv_usec) /	\
+     ((b)->tv_sec * 1000000.0 + (b)->tv_usec))
+
+
+extern void get_now(mb_timeval_t *tmo);
+
+
+#endif /* __MB_TIMER_H_ */