In message <[EMAIL PROTECTED]>, Alexa
nder Maret writes:
>> From: Poul-Henning Kamp [mailto:[EMAIL PROTECTED]]
>> Subject: Re: AW: Accessing the tty structure of an opened device
>>
>>
>> How fast do these pulses arrive ? Consider using the
>> PPS-API for that: <sys/timepps.h>
>>
>
>the time between a pulse and a space often only takes
>a few milliseconds. I have to meassure that with
>gettimeofday().
You will need to do this in a device driver, there is no way you
can reliably measure that from userland.
Trust me on this: I've tried.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message
