[Haskell-cafe] why isn't the thread blocked?
Brandon S. Allbery KF8NH
allbery at ece.cmu.edu
Sat Aug 16 12:57:15 EDT 2008
On 2008 Aug 16, at 12:22, Changying Li wrote:
> test.hs: /tmp/b: hGetChar: end of file
> test.hs: /tmp/c: hGetChar: end of file
> I think the thread will be blocked when /tmp/b has nothing.
> but it get EOF, why ?
Because FIFOs are odd. Open them for read/write to avoid unexpected
EOFs and unexpected blocking.
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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