Opening a file in exclusive mode

From: murthy (vanjina_murthy_at_rediffmail.com)
Date: 07/28/04 

Date: 28 Jul 2004 07:15:17 -0700

I am developing an application using C

I am facing a problem , when a file is opened by one process either in
read/write mode using open function , at the same time the other
process can delete the same file using unlink function.

What i want is that if a file is opened by one process either for
reading/writing it should not be deleted or even can be opened by
other process(i.e open should fail). Anyone knows, how it can
achieved.

The purpose is that i want to open a file in exclusive mode.

Thanks in adavance

Murthy

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