[SCM] Hurd branch, master, updated. hurd-release-0-2-3457-g7648503

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- Log -----------------------------------------------------------------
commit 7648503cd894549874ff13f7ed94a4708cf50f0d
Author: Richard Braun <address@hidden>
Date:   Mon Sep 3 15:47:25 2012 +0200

    Remove condition implications
    
    There is no equivalent for these functions in libpthread. Instead of
    adding them as non standard extensions, rework their use.
    
    * console-client/kbd-repeat.c (kbd_repeat_key): Wake threads waiting on
    select_alert.
    (kbd_setrepeater): Remove call to condition_implies.
    console-client/pc-mouse.c (repeat_event): Wake threads waiting on
    select_alert.
    (setrepeater):  Remove call to condition_implies.
    * libpipe/pipe.c (pipe_create): Initialize the `pending_selects' member.
    (pipe_add_select_cond): New function.
    (pipe_remove_select_cond): Likewise.
    (pipe_select_cond_broadcast): Likewise.
    (_pipe_no_readers): Wake threads waiting on a pending select.
    (_pipe_no_writers): Likewise.
    (pipe_send): Likewise.
    (pipe_recv): Likewise.
    (pipe_pair_select): Replace condition implications by installing a pending
    select on the pair of pipes.
    * libpipe/pipe.h (struct pipe_select_cond): New type.
    (struct pipe): New member `pending_selects'.
    * pfinet/tunnel.c (tunnel_xmit): Wake threads waiting on tdev->select_alert.
    (setup_tunnel_device): Remove call to condition_implies.
    * term/devio.c (device_write_reply_inband): Wake threads waiting on
    select_alert.
    * term/hurdio.c (hurdio_writer_loop): Likewise.
    * term/main.c (main): Remove calls to condition_implies.
    * term/ptyio.c (ptyio_init): Remove calls to condition_implies, initialize
    pty_select_alert.
    (wake_reader): Wake threads waiting on pty_select_wakeup.
    * term/term.h (pty_select_alert): New variable.
    (clear_queue): Wake threads waiting on select_alert and, if acting on the
    input queue, pty_select_alert, unless it's NULL.
    (dequeue_quote): Likewise.
    (enqueue_internal): Likewise.
    (queue_erase): Likewise.
    * trans/streamio.c (clear_buffer): Wake threads waiting on select_alert.
    (buffer_read): Likewise.
    (buffer_write): Likewise.
    (device_read_reply_inband): Likewise.
    (device_write_reply_inband): Likewise.
    (main): Remove calls to condition_implies.

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

Summary of changes:
 console-client/kbd-repeat.c |    3 +-
 console-client/pc-mouse.c   |    3 +-
 libpipe/pipe.c              |   89 ++++++++++++++++++++++++++++++++++++-------
 libpipe/pipe.h              |    9 ++++
 pfinet/tunnel.c             |    2 +-
 term/devio.c                |    1 +
 term/hurdio.c               |    1 +
 term/main.c                 |    2 -
 term/ptyio.c                |    4 +-
 term/term.h                 |   25 +++++++++++-
 trans/streamio.c            |   15 +++----
 11 files changed, 120 insertions(+), 34 deletions(-)


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