[SCM] Hurd branch, rbraun/select_timeout_pthread_v4, created. hurd-release-0-2-3482-g0c765ce

[Richard Braun]

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The branch, rbraun/select_timeout_pthread_v4 has been created
        at  0c765ce6536a8aed53ea07a7f8b6394cbe20b548 (commit)

- Log -----------------------------------------------------------------
commit 0c765ce6536a8aed53ea07a7f8b6394cbe20b548
Author: Richard Braun <address@hidden>
Date:   Tue Feb 26 22:24:47 2013 +0100

    Add io_select_timeout to the io interface
    
    This change fixes a problem that can occur with non-blocking (and also
    blocking for very short times) select/poll calls. The problem occurs because
    the timeout is implemented at the client side. For a non-blocking call, this
    means that (depending on the code path taken in the C library) the client
    could get a timeout without a full RPC round-trip to the server. Moving the
    implementation of the timeout to the servers guarantees a full round-trip,
    and correct results for non-blocking calls.
    
    The modifications in this change depend on the availability of the recently
    added pthread_hurd_cond_timedwait_np function in libpthread.
    
    * boot/boot.c (io_select_common): New static function.
    (S_io_select): Use io_select_common.
    (S_io_select_timeout): New function which makes use of io_select_common.
    * console-client/kbd-repeat.c (repeater_select): Add a timeout parameter.
    * console-client/pc-mouse.c (repeater_select): Likewise.
    * console-client/trans.c (io_select_common): New static function.
    (netfs_S_io_select): Use io_select_common.
    (netfs_S_io_select_timeout): New function which makes use of 
io_select_common.
    * console-client/trans.h (struct consnode): Add a timeout parameter.
    * hurd/io.defs (io_select_timeout): New MIG routine.
    * hurd/io_reply.defs (io_select_timeout_reply): New MIG simpleroutine.
    * hurd/io_request.defs (io_select_timeout_request): Likewise.
    * libdiskfs/io-select.c (diskfs_S_io_select_timeout): New function.
    * libnetfs/io-select.c (netfs_S_io_select_timeout): Likewise.
    * libpipe/pipe.c (pipe_pair_select): Add a timeout parameter.
    * libpipe/pipe.h (pipe_select_readable): Likewise.
    (pipe_select_writable): Likewise.
    (pipe_pair_select): Likewise.
    * libpipe/pq.h: Include <hurd/hurd_types.h>.
    * libtrivfs/io-select.c (trivfs_S_io_select_timeout): New function.
    * pfinet/glue-include/linux/sched.h: Include <errno.h>.
    (interruptible_sleep_on): Function removed, replaced with ...
    (interruptible_sleep_on_timeout): New function.
    (schedule): Update to use interruptible_sleep_on_timeout.
    (schedule_timeout): Likewise.
    * pfinet/io-ops.c (io_select_common): New static function.
    (S_io_select): Use io_select_common.
    (S_io_select_timeout): New function which makes use of io_select_common.
    * pfinet/tunnel.c (io_select_common): New static function.
    (trivfs_S_io_select): Use io_select_common.
    (trivfs_S_io_select_timeout): New function which makes use of 
io_select_common.
    * pflocal/connq.c (connq_listen): Replace noblock with a timeout parameter.
    * pflocal/connq.h: Include <hurd/hurd_types.h>.
    (connq_listen): Update declaration to replace noblock with a timeout 
parameter.
    * pflocal/io.c (io_select_common): New static function.
    (S_io_select): Use io_select_common.
    (S_io_select_timeout): New function which makes use of io_select_common.
    * pflocal/socket.c (S_socket_accept): Update call to connq_listen to match 
new
    declaration.
    * storeio/io.c (trivfs_S_io_select_timeout): New function.
    * term/ptyio.c (pty_io_select): Add a timeout parameter.
    * term/term.h (pty_io_select): Likewise.
    * term/users.c (io_select_common): New static function.
    (trivfs_S_io_select): Use io_select_common.
    (trivfs_S_io_select_timeout): New function which makes use of 
io_select_common.
    * trans/fifo.c (io_select_common): New static function.
    (trivfs_S_io_select): Use io_select_common.
    (trivfs_S_io_select_timeout): New function which makes use of 
io_select_common.
    * trans/firmlink.c (trivfs_S_io_select_timeout): New function.
    * trans/new-fifo.c (io_select_common): New static function.
    (trivfs_S_io_select): Use io_select_common.
    (trivfs_S_io_select_timeout): New function which makes use of 
io_select_common.
    * trans/null.c (trivfs_S_io_select_timeout): New function.
    * trans/streamio.c (io_select_common): New static function.
    (trivfs_S_io_select): Use io_select_common.
    (trivfs_S_io_select_timeout): New function which makes use of 
io_select_common.

commit 63abc6cb94795d780f88af7e573f80998b125856
Author: Richard Braun <address@hidden>
Date:   Tue Feb 26 22:24:42 2013 +0100

    Add the timespec_t Hurd type
    
    This type matches the standard struct timespec, and allows passing time
    values with nanosecond precision in RPCs.
    
    * hurd/hurd_types.defs (timespec_t): New MIG type.
    * hurd/hurd_types.h: Include <time.h>.
    (timespec_t): New C type, aliasing struct timespec.

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