[SCM] Hurd branch, master, updated. hurd-release-0-2-3461-gcbe6f88

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit cbe6f88b5ee7fa3394e916a8a7fe893066923b73
Author: Samuel Thibault <address@hidden>
Date:   Mon Dec 17 00:05:04 2012 +0100

    Make io_select return errors
    
    instead of returning 0 and make clients have to actually read the error.
    This makes implementing "poll" much easier.
    
    Based on Svante Signell's patch.
    
    * pflocal/io.c (S_io_select): Return error returned by pipe_wait_readable or
    pipe_wait_writable.
    * trans/fifo.c (trivfs_S_io_select): Return error returned by
    pipe_wait_readable or pipe_wait_writable. Return EBADF on bogus access mode.
    * trans/new-fifo.c (trivfs_S_io_select): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 pflocal/io.c     |   17 +++++++++++++----
 trans/fifo.c     |   27 +++++++++++++++++++++------
 trans/new-fifo.c |   27 +++++++++++++++++++++------
 3 files changed, 55 insertions(+), 16 deletions(-)


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