#4144: Exception: ToDo: hGetBuf - when using custom handle infrastructure
  Reporter:  AntoineLatter     |          Owner:  simonmar        
      Type:  bug               |         Status:  patch           
  Priority:  high              |      Milestone:  7.8.1           
 Component:  libraries/base    |        Version:  7.6.1           
Resolution:                    |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  Runtime crash     |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  

Comment(by simonmar):

 You can't do an atomic non-blocking read, e.g. if another thread happened
 to read from the console and grabbed the character after you had called
 `fdReady` but before calling `read`, then the `read` would block.  It is
 unlikely to happen, because someone would have to use raw `System.Win32`
 operations to get separate access to the console or whatever, but it's

Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4144#comment:13>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

Glasgow-haskell-bugs mailing list

Reply via email to