Hi,

Thanks for the response. That is what I was planning to do, i.e. write some 
code that does the verification before I call sqlite3_open.

However, I am not sure what code should I write. I mean the code I write to do 
the verification should be a representation of what sqlite3 does.

Regards,
 
Prakash Bande
Altair Engg. Inc. 
Troy MI
Ph: 248-614-2400 ext 489
Cell: 248-404-0292

-----Original Message-----
From: sqlite-users-boun...@sqlite.org [mailto:sqlite-users-boun...@sqlite.org] 
On Behalf Of Simon Slavin
Sent: Friday, November 12, 2010 1:06 PM
To: General Discussion of SQLite Database
Subject: Re: [sqlite] File Locking And Concurrency In SQLite Version 3


On 12 Nov 2010, at 5:58pm, Prakash Reddy Bande wrote:

> My question: Is it possible to verify if the network drive on which the DB is 
> place can be used?

Great question.  Unfortunately LockFile() generally does /not/ work.  If you 
want to perform a check there are too many combinations of access methods and 
version numbers to use logic.  I can only recommend you write some code that 
actually tries to do the locking and checks to see whether it worked.

I have an application which does something similar in a Unix setup.  It 
requires that the user runs two test applications at the same time -- either on 
the same computer or on two different computers.

Simon.
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