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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <160509203304.ZM16713@torch.brasslantern.com>
Date: Mon, 9 May 2016 20:33:04 -0700
In-Reply-To: <9FAAD096-2119-4354-B437-4D9A0ABD2765@kba.biglobe.ne.jp>
Comments: In reply to "Jun T." <takimoto-j@kba.biglobe.ne.jp>
        "Re: Bug in C02cont.ztst's -N test" (May 10,  2:32am)
References: <ufa1t5pl0yg.fsf@epithumia.math.uh.edu> 
	<160429131027.ZM22749@torch.brasslantern.com> 
	<ufashy4ghvy.fsf@epithumia.math.uh.edu> 
	<20160430004639.GA1360@tarsus.local2> 
	<20160430010131.GA34472@CptOrmolo.darkstar> 
	<20160430012828.GA3334@tarsus.local2> 
	<CAH+w=7b9kKY1Xr5YHFHMS4YzSptJWwU_N6p+s3R=Q=QjYYSo3w@mail.gmail.com> 
	<160430105547.ZM10892@torch.brasslantern.com> 
	<160430111131.ZM11437@torch.brasslantern.com> 
	<FEE16E72-B6B1-4CDE-B32D-EB111C13240C@kba.biglobe.ne.jp> 
	<160509092158.ZM13643@torch.brasslantern.com> 
	<9FAAD096-2119-4354-B437-4D9A0ABD2765@kba.biglobe.ne.jp>
To: zsh-workers@zsh.org
Subject: Re: Bug in C02cont.ztst's -N test
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On May 10,  2:32am, Jun T. wrote:
}
} On a system where the nanosecond timestamps are not supported
} in order for the test '$newnewnew -nt $zlnfs' to succeed,
} the mtime's of the two files should have at least 1 second
} difference.

Aha.  Now that you mention it, I recall that ...

} Why does the original code sleeps 2 sec (instead of 1 sec).

... in some cases "sleep 1" will only sleep to the next whole-number
of seconds on the system clock, rather than sleeping a full second.
So "sleep 2" is needed to always make it at least one full second.

I've committed your patch.