Brian Inglis wrote: > On 2016-11-23 03:28, Martin Burnicki wrote: >> Brian Inglis wrote: [...] > The timestamps are displayed by Cygwin stat(1), and Birth is Windows > Explorer Creation Date. The signature timestamps agree with the birth > (creation) times.
Ah, OK. >> Eventually the DLL couldn't be updated by the installer since it was >> in use when you installed the update. > > Guess we should shut down NTP before running the installer, rather than > letting the installer do the shutdown, on a file-only replacement. Hm, strange. AFAIK the installer should stop the NTP service before the files are updated, so this shouldn't be an issue. >> I have to admit that personally I've never used PPS under Windows, >> so I'm not familiar with this DLL and the modified serial.sys driver >> which supports PPS. > > Driver serial.sys is (was?) compatible with ISA drivers, but not PCI > drivers, for which loopback-ppsapi-provider.dll provides the PPS API. > >> IIRC this has been implemented by Dave Hart some years ago, and we >> (Meinberg) just provide a signed version of the DLL and the kernel >> driver simplify usage on current Windows versions which require such >> signatures. >> >>> This DLL seems to be the only way to get PPS working >>> properly with recent (PCI) serial cards and drivers on >>> recent Windows releases. >>> >>> Presumably for security reasons, the full path(s) must be >>> specified in the PPSAPI_DLLS *SYSTEM* environment variable, >>> on recent Windows releases. >> >> This should be documented somewhere, but I have no idea it there's any >> documentation for this stuff at all, except on David Taylor's web pages >> and in some email/newsgroup posts. > > Use of serial.sys is well documented, but loopback-ppsapi-provider.dll, and > alternative NMEA PPSAPI_HACK are not, and Perly says he may find time to > document these, after recent fixes. > > PPSAPI_DLLS http://bugs.ntp.org/show_bug.cgi?id=3066#c4 > PPSAPI_HACK http://bugs.ntp.org/show_bug.cgi?id=3066#c11 Thanks for the pointer. Juergen is doing a great job for NTP. > Thanks to Meinberg, Martin, et. al. for providing these convenient > installers > for so many years. > > Thanks also to Harlan Stenn, Juergen Perlinger, Brian Utterback, et. al. > for > fixing so many bugs for so long. Thanks for your thanks! ;-) Martin _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
