[Haskell-cafe] I/O system brokenness with named pipes

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Fri Apr 11 09:02:07 EDT 2008

On Apr 11, 2008, at 8:12 , John Goerzen wrote:
> OK, I have referred to fifo(7) regarding this point.  It seems I  
> may need a
> loop trying over and over to open the FIFO in write mode.  It also  
> appears
> that ReadWriteMode appearing to work is Linux-specific, and this  
> behavior is
> left undefined in POSIX.

Undefined in POSIX, normal for Unix (and Linux originally promised  
only POSIX semantics but was rejiggered some years back to behave  
like Unix in this regard, because Unix programs rely on these  
semantics and therefore failed on Linux).

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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