[ntp:questions] Did we ever get NTP running under Cygwin32

Todd Glassey tglassey at earthlink.net
Tue Nov 3 17:55:48 UTC 2009

Dave Hart wrote:
> On Sun, Nov 1, 2009 at 5:09 PM, todd glassey wrote:
>> As I remember Sven was working on this - did we ever get it completed and if
>> so where is the documentation on it?
> I don't believe so.  There is very little evidence in the code, just a
> few tidbits in headers and configure.ac.  The major issue is likely to
> be adjtime()/SetSystemTimeAdjustment().  cygwin32 likely lacks code to
> implement adjtime() using Windows' SetSystemTimeAdjustment().
Agreed - so I was wondering if there was another port which wasnt tied 
to VC++ Redistributables.
> Undoubtedly there would many minor kinks to work out as well.  I know
> of another cygwin-based program which on Windows Vista tends to fail
> before starting main() in cygwin's heap initialization code, unless
> you've restarted recently.  My guess is it's being fouled by "address
> space layout randomization" causing DLLs to be located in the address
> space cygwin wants to pre-reserve for a simple classic sbrk()-based
> malloc(). 
Agreed but installing the time-service interface as a TSR would likely 
cure this.
>  One would probably spend most of the effort of such a
> project fixing and extending cygwin32, with relatively few changes
> required to the NTP code.
Thanks Dave
> Cheers,
> Dave Hart
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