[FZH] [D] C库函数timer_create()参数问题
Caius 'kaio' Chance
kaio at fedoraproject.org
Wed May 11 23:55:04 UTC 2011
息怒息怒~
2011/5/10 microcai <microcai at fedoraproject.org>
> 于 2011年05月10日 18:11, ajax he 写道:
> > microcai这样说不妥吧,对ACMer有偏见?
> 不是偏见,他们本质如此。
>
>
> >
> > 在 2011年5月10日 下午2:14,microcai <microcai at fedoraproject.org>写道:
> >
> >> 于 2011年05月08日 23:33, cheng chen 写道:
> >>> 我在使用c语言库函数timer_create()的时候
> >>>
> >>> 第一个参数clockid有这样4个选择,
> >>>
> >>> CLOCK_REALTIME(墙上时间)
> >>> A settable system-wide real-time clock.
> >>>
> >>> CLOCK_MONOTONIC
> >>> A nonsettable monotonically increasing clock that measures
> >> time
> >>> from
> >>> some unspecified point in the past that does not change
> >> after
> >>> system
> >>> startup.
> >>>
> >>> CLOCK_PROCESS_CPUTIME_ID (since Linux 2.6.12)(该进程的CPU时间)
> >>> A clock that measures (user and system) CPU time consumed
> by
> >>> (all of
> >>> the threads in) the calling process.
> >>>
> >>> CLOCK_THREAD_CPUTIME_ID (since Linux 2.6.12)(该线程的CPU时间)
> >>> A clock that measures (user and system) CPU time consumed
> by
> >>> the
> >>> calling thread.
> >>>
> >>> manual上说的很短,其他都能理解,唯一不理解第二个时钟的使用。能否请大家帮忙讲解一下,谢谢。
> >>>
> >>> --
> >>> Cheng(誠)
> >>>
> >>
> >> ACM 的人也有不懂的啊?! 不是很厉害的么?都北大毕业的研究生么?
> >> 不是号称只要算法厉害,对系统的理解都是浮云么?
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Regards ☺ Caius 'kaio' Chance - Fedora Project Contributor
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