RE: [reSIProcate] Suggestion to replace GetSystemTime() with GetT ickCount() on Windows
Scott,
Change in the method name is preferred. I will check
how ACE do that for UNIX/Linux. I learned this from
ACE.
kaiduan
--- Scott Godin <slgodin@xxxxxxxxxxxx> wrote:
> Thanks for pointing this out Kaiduan.
>
> Note: GetTickCount returns a 32bit unsigned int
> representing the number of
> MS since the system was started.
>
> I believe this solution will work - even when the
> count wraps after 49.7
> days. But there are some problems:
> 1. the method names getSystemTime is no longer
> accurate
> 2. the method getTimeMicroSec - will no longer have
> microsecond resolution
>
> I would like to get this issue solved - so maybe a
> change in the method
> names and some new methods are required. Does
> anyone know if UNIX or other
> OSs support a similar call? ie. one that is not
> dependant on the System
> clock?
>
> Note: This problem is also a concern for systems
> running NTP clients as NTP
> clients can adjust the system clock and skew resip
> timers.
>
>
> -----Original Message-----
> From: kaiduan xie [mailto:kaiduanx@xxxxxxxx]
> Sent: Thursday, November 25, 2004 6:01 PM
> To: resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [reSIProcate] Suggestion to replace
> GetSystemTime() with
> GetTickCount() on Windows
>
> Hi, all,
>
> Today while running my DUM based SIP client, a
> friend
> changed my system time to backward, i.e., change
> from
> Nov 25 to Nov 24. And the SIP client didnot re-fresh
> the registration anymore. After reviewing the Timer
> class, and I found it is using GetSystemTime() and
> this is the reason. The re-registration timer will
> expire one day later! It is better to use the system
> startup time instead of the wall-clock time, so
> please
> change GetSystemTime to GetTickCount() for Windows.
> I
> tested with the GetTickCount and found that there is
> no problem.
>
> Any comments are welcome.
>
> kaiduan
>
>
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