[Haskell-cafe] Opening the same file multiple times

Simon Marlow simonmar at microsoft.com
Mon Dec 12 10:27:11 EST 2005

On 12 December 2005 14:01, Einar Karttunen wrote:

> On 12.12 12:06, Duncan Coutts wrote:
>> It states in the Haskell Report 21.2.3:
>> http://haskell.org/onlinereport/io.html
> Thanks, for the pointer, but am looking for an extension
> in the non-haskell98 API to do it.
> It seems that things are quite problematic:
> 1) Use openFile or GHC.Handle.openFd
> Works in Hugs, fails as the standard mandates in GHC
> due to locking. This is fine.

You can trick openFd into not locking the file by passing (Just
RawDevice) as the file type.  Ugly, but should work.


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