accumulate_nsecs_to

函数名称：accumulate_nsecs_to_secs - Accumulates nsecs into secs* Helper function that accumulates the nsecs greater than a second* from the xtime_nsec field to the xtime_secs field.* It also calls into the NTP code to handle leapsecond processing.

函数原型：static inline unsigned int accumulate_nsecs_to_secs(struct timekeeper *tk)

返回类型：unsigned int

参数：

类型	参数	名称
struct timekeeper *	tk

1963

nsecps等于NSEC_PER_SEC左移shift位

1964

clock_set等于0

1966

当xtime_nsec大于等于nsecps 循环

1969

xtime_nsec减等于nsecps

1970

xtime_sec自加

1976

如果此条件成立可能性小(为编译器优化)(Flag used to avoid updating NTP twice with same second )则

1977

Flag used to avoid updating NTP twice with same second 等于0

1978

继续下一循环

1982

leap等于his routine handles the overflow of the microsecond field* The tricky bits of code to handle the accurate clock support* were provided by Dave Mills (Mills@UDEL.EDU) of NTP fame.* They were originally developed for SUN and DEC kernels.

1983

如果此条件成立可能性小(为编译器优化)(leap)则

1986

xtime_sec加等于leap

1988

seconds 等于leap

1989

nanoseconds 等于0

1990

tk_set_wall_to_mono(tk, sub = lhs - rhs, in normalized form)

1993

__timekeeping_set_tai_offset - Sets the TAI offset from UTC and monotonic

1995

clock_set等于TK_CLOCK_WAS_SET

1998

返回:clock_set

**调用者**
名称	描述
logarithmic_accumulation	logarithmic_accumulation - shifted accumulation of cycles* This functions accumulates a shifted interval of cycles into* into a shifted interval nanoseconds. Allows for O(log) accumulation* loop.* Returns the unconsumed cycles.
timekeeping_advance	mekeeping_advance - Updates the timekeeper to the current time and* current NTP tick length

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告