Getting accurate System time to milliseconds

I have written a program which needs to do following two things
1. make current thread sleep by some value in range 1 to 100 milliseconds
2. Get current system, acurate to maximum accurate value in miliseconds
as Java on Windows does not gurantee that Thread will sleep for the specified milliseconds and system time is also approximate, I need a solution that provides the guranteed accuracy for above two cases.
Please help!!!
Thanks in advance

I have created a udp client/server. I am able to regulate the rate of packets (approx) on server, but the client time is shifting(slowing down).
The basic function of client is to put set a variable client recieve time to the time on client and send packet back to server (to calculate delay on n/w).
The server is sending data at correct timing (approximate), but the recieve time at client is shifting down slowly.
I reduced the load on client by just discarding currrent packet and goto recieve next, but the delay is still there.
The data captured is this (SS is Server Send time, CR is Client Recieve time)
SS: 1108653459464 CR: 1108653447161
SS: 1108653460464 CR: 1108653448161
SS: 1108653461464 CR: 1108653449161
SS: 1108653462464 CR: 1108653450161
SS: 1108653463464 CR: 1108653451161
SS: 1108653464464 CR: 1108653452161
SS: 1108653465464 CR: 1108653453160
SS: 1108653466464 CR: 1108653454160
SS: 1108653467464 CR: 1108653455160
SS: 1108653468464 CR: 1108653456160
SS: 1108653469464 CR: 1108653457160
SS: 1108653470464 CR: 1108653458160
SS: 1108653471463 CR: 1108653459160
SS: 1108653472479 CR: 1108653460145
SS: 1108653473463 CR: 1108653461129
// server time reduced by just 1 millisecond but client got mad
SS: 1108653474463 CR: 1108653462129
SS: 1108653475463 CR: 1108653463129
SS: 1108653476463 CR: 1108653464129
SS: 1108653477463 CR: 1108653465129
SS: 1108653478463 CR: 1108653466145
SS: 1108653479463 CR: 1108653467145
SS: 1108653480479 CR: 1108653468145
SS: 1108653481463 CR: 1108653469129
SS: 1108653482463 CR: 1108653470129
SS: 1108653483463 CR: 1108653471129
SS: 1108653484463 CR: 1108653472129
SS: 1108653485463 CR: 1108653473129
SS: 1108653486463 CR: 1108653474129
SS: 1108653487463 CR: 1108653475129
SS: 1108653488479 CR: 1108653476129
SS: 1108653489463 CR: 1108653477113
SS: 1108653490463 CR: 1108653478129
SS: 1108653491463 CR: 1108653479129
SS: 1108653492463 CR: 1108653480129

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To get the system time in milliseconds

i want to get the system time in milliseconds
eventhough the MLS(milliseconds) is given in the select statement as follows,
sql>select to_char(sysdate,'MON:DD:YYYY.HH:HH:MI:SS:MLS') "NOW" from dual;
does not seem to work.
it throws the error that
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please give a solution
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null

Hi,
Yes, any of Oracle tools could not provide the milliseconds.
Then why cant not use external procedures (RPC) and get a time string from OS.
These are steps:
1. Create a C shared library.
(Some times U have to go for OCI programs.)
Milliseconds provision is there in C. ( use tm struct). Make a string as ur format by using any string functions in C or sprintf(). By using return, return this string.
Here error may come, if u are using pure C. Better to go for OCI call back methods.
2. Create oracle library and attach this shared libary with it.
3. Create external procedure/function and connect this.
If u want code, I can post it here.
with regards,
Boby Jose Thekkanth,
Dharma Computers(P) Ltd.
Bangalore-India.
www.dharma.com.
null

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Message was edited by:
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Nothing can dim the light which shines from within.
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Before you buy.

> As we know, Labview a G function which can get local date/time in
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>
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Getting accurate System time to milliseconds

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