* This value is only really useful for measuring time intervals.
*
* See also:
- * time_since()
+ * timemono_since()
*/
struct timemono time_mono(void);
return t;
}
+/**
+ * timemono_since - elapsed monotonic time since @old
+ * @old: a monotonic time from the past.
+ */
+static inline struct timerel timemono_since(struct timemono old)
+{
+ struct timemono now = time_mono();
+
+ return timemono_between(now, old);
+}
+
/**
* timeabs_sub - subtract a relative time from an absolute time
* @abs: the absolute time.
return t;
}
+/**
+ * timemono_add - add a relative to a monotonic time
+ * @a: the monotonic time.
+ * @b: a relative time.
+ *
+ * The times must not overflow, or the results are undefined.
+ *
+ * Example:
+ * // We do one every second.
+ * static struct timemono next_timem(void)
+ * {
+ * return timemono_add(time_mono(), time_from_msec(1000));
+ * }
+ */
+static inline struct timemono timemono_add(struct timemono a, struct timerel b)
+{
+ struct timemono t;
+
+ t.ts = time_add_(a.ts, b.ts);
+ return t;
+}
+
/**
* timerel_add - add two relative times
* @a: one relative time.