Re: Plugging fd leaks (was Re: Switching timeline over streaming replication)

On 26.11.2012 14:53, Amit Kapila wrote:
> I have one usecase in feature (SQL Command to edit postgresql.conf) very
> similar to OpenFile/CloseFile, but I want that when CloseFile is called from
> abort, it should remove(unlink) the file as well and during open it has to
> retry few times if open is not success.
> I have following options:
> 1. Extend OpenFile/CloseFile or PathNameOpenFile
> 2. Write new functions similar to OpenFile/CloseFile, something like
> OpenConfLockFile/CloseConfLockFile
> 3. Use OpenFile/CloseFile  and handle my specific case with PG_TRY ..
> PG_CATCH
>
> Any suggestions?

Hmm, if it's just for locking purposes, how about using a lwlock or a 
heavy-weight lock instead?

- Heikki