patch applied (packages/base): When doing safe writes, handle EAGAIN rather than raising an exception

[Simon Marlow]

Tue May 15 04:46:15 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * When doing safe writes, handle EAGAIN rather than raising an exception
  It might be that stdin was set to O_NONBLOCK by someone else, and we
  should handle this case.  (this happens with GHCi, I'm not quite sure why)

    M ./GHC/Handle.hs -25 +19