Re: [Haskell-cafe] Re: about openTempFile

On 2008 Sep 17, at 18:20, Aaron Denney wrote:

On 2008-09-17, Brandon S. Allbery KF8NH wrote:

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On 2008 Sep 17, at 8:17, Manlio Perillo wrote:

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The Python tempfile module, as an example, implements a wrapper around mkstemp function that does exactly this, and the code is portable; on Windows it uses O_TEMPORARY_FILE flag, on POSIX systems the file is unlink-ed as soon as it is created (but note that the code is not signal safe - well, many functions in the Python standard library are not signal safe).

There are reasons why GHC library does not implement this?

POSIX doesn't guaranteed that open-and-unlink works; HP-UX is a "POSIX" platform on which it doesn't.

Did HPUX's behavior change at some point? This is a standard idiom, and I don't remember having any trouble with it, but I haven't used anything earlier than 9. The manpages for 11 only document being a mount point as cause for EBUSY.

It may have but I recall it being cited as an issue with HP/UX 9 and 10. -- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH