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[SCM] Hurd branch, rbraun/select_timeout_pthread_v3, created. hurd-relea
From: |
Richard Braun |
Subject: |
[SCM] Hurd branch, rbraun/select_timeout_pthread_v3, created. hurd-release-0-2-3482-ga0851ce |
Date: |
Thu, 14 Feb 2013 07:48:20 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "Hurd".
The branch, rbraun/select_timeout_pthread_v3 has been created
at a0851ceb76d5204759034ea8ec2293238ba81205 (commit)
- Log -----------------------------------------------------------------
commit a0851ceb76d5204759034ea8ec2293238ba81205
Author: Richard Braun <address@hidden>
Date: Thu Feb 14 01:31:28 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 a446214b48ae63377f574e7b7ea28726221574f1
Author: Richard Braun <address@hidden>
Date: Thu Feb 14 01:13:01 2013 +0100
Add the time_data_t Hurd type
This type allows passing time values with nanosecond precision in RPCs.
Except for the integer widths, its internal format matches the standard
struct timespec.
* hurd/hurd_types.defs (time_data_t): New MIG type.
* hurd/hurd_types.h (struct time_data) (time_data_t): New C types.
commit 62a4d811bcdc18fc3cbf21bf0e80a8ed05fab719
Author: Richard Braun <address@hidden>
Date: Thu Feb 14 01:12:55 2013 +0100
Sync the io_request, io_reply and io interfaces
* hurd/io_reply.defs (io_server_version_reply): New MIG simpleroutine.
(io_pathconf_reply): Likewise.
(io_identity_reply): Likewise.
(io_revoke_reply): Likewise.
* hurd/io_request.defs (io_select_request): Fix declaration.
(io_pathconf_request): New MIG simpleroutine.
(io_identity_request): Likewise.
(io_revoke_request): Likewise.
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