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Re: [Bug-gnulib] Re: GNULib Module gettime Breaks CVS Build On Windows

From: Paul Eggert
Subject: Re: [Bug-gnulib] Re: GNULib Module gettime Breaks CVS Build On Windows
Date: Sun, 16 May 2004 14:36:17 -0700
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux)

Derek Robert Price <address@hidden> writes:

> Would it be worthwhile to test for whether the second arg appears to
> contain a garbage return via nanosleep.m4 and move the switched
> gettime wrapper functionality into nanosleep.m4 itself?

I didn't quite follow your suggestion, but if it means to have
rpl_nanosleep "do the right thing" even if the kernel's nanosleep is
buggy, then yes, that sounds like a good thing.  It'd be some work
though, as it'd need to be done even if the kernel doesn't have a
nanosleep function.

> I would assume an alarm (1 second), nanosleep (5 seconds), check 2nd
> arg value is close to 4 seconds would do the trick?

Yes.  (Cross-compilation should assume it doesn't work.)

> Alternately, [nanosleep.c] could declare the select prototype and
> the struct timeval when !HAVE_<needed_headers>, but that seems more
> complicated to me.

Yes, it's more complicated if all we care about is Windows, but it
sounds like a better approach for porting to other random hosts so I'd
prefer that.  Autoconf's AC_FUNC_SELECT_ARGTYPES is designed for this
sort of thing; perhaps we should be using that.

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