| Age | Commit message (Collapse) | Author |
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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.
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Makefiles, headers, types, macros and function calls are renamed where
appropriate.
Most of this work was done by Barry deFreese and Thomas DiModica.
* auth/Makefile: Switch from cthreads to pthreads.
* auth/auth.c: Likewise.
* boot/Makefile: Likewise.
* boot/boot.c: Likewise.
* boot/ux.c: Likewise.
* console-client/Makefile: Likewise.
* console-client/console.c: Likewise.
* console-client/driver.c: Likewise.
* console-client/driver.h: Likewise.
* console-client/generic-speaker.c: Likewise.
* console-client/kbd-repeat.c: Likewise.
* console-client/ncursesw.c: Likewise.
* console-client/pc-kbd.c: Likewise.
* console-client/pc-mouse.c: Likewise.
* console-client/timer.c: Likewise.
* console-client/trans.c: Likewise.
* console-client/vga.c: Likewise.
* console/Makefile: Likewise.
* console/console.c: Likewise.
* console/display.c: Likewise.
* console/input.c: Likewise.
* console/pager.c: Likewise.
* defpager/backing.c: Likewise.
* exec/Makefile: Likewise.
* exec/exec.c: Likewise.
* exec/hashexec.c: Likewise.
* exec/priv.h: Likewise.
* ext2fs/Makefile: Likewise.
* ext2fs/balloc.c: Likewise.
* ext2fs/dir.c: Likewise.
* ext2fs/ext2fs.c: Likewise.
* ext2fs/ext2fs.h: Likewise.
* ext2fs/ialloc.c: Likewise.
* ext2fs/inode.c: Likewise.
* ext2fs/msg.c: Likewise.
* ext2fs/pager.c: Likewise.
* ext2fs/pokel.c: Likewise.
* ext2fs/storeinfo.c: Likewise.
* ext2fs/truncate.c: Likewise.
* fatfs/Makefile: Likewise.
* fatfs/dir.c: Likewise.
* fatfs/fat.c: Likewise.
* fatfs/fatfs.h: Likewise.
* fatfs/inode.c: Likewise.
* fatfs/main.c: Likewise.
* fatfs/pager.c: Likewise.
* fatfs/virt-inode.c: Likewise.
* ftpfs/Makefile: Likewise.
* ftpfs/ccache.c: Likewise.
* ftpfs/ccache.h: Likewise.
* ftpfs/conn.c: Likewise.
* ftpfs/dir.c: Likewise.
* ftpfs/fs.c: Likewise.
* ftpfs/ftpfs.c: Likewise.
* ftpfs/ftpfs.h: Likewise.
* ftpfs/ncache.c: Likewise.
* ftpfs/netfs.c: Likewise.
* ftpfs/node.c: Likewise.
* hostmux/Makefile: Likewise.
* hostmux/hostmux.h: Likewise.
* hostmux/mux.c: Likewise.
* hostmux/node.c: Likewise.
* hostmux/stubs.c: Likewise.
* hurd/shared.h: Likewise.
* isofs/Makefile: Likewise.
* isofs/inode.c: Likewise.
* isofs/lookup.c: Likewise.
* isofs/main.c: Likewise.
* isofs/pager.c: Likewise.
* libcons/Makefile: Likewise.
* libcons/cons-switch.c: Likewise.
* libcons/cons.h: Likewise.
* libcons/dir-changed.c: Likewise.
* libcons/file-changed.c: Likewise.
* libcons/init-init.c: Likewise.
* libcons/vcons-close.c: Likewise.
* libcons/vcons-input.c: Likewise.
* libcons/vcons-move-mouse.c: Likewise.
* libcons/vcons-open.c: Likewise.
* libcons/vcons-scrollback.c: Likewise.
* libdiskfs/Makefile: Likewise.
* libdiskfs/boot-start.c: Likewise.
* libdiskfs/dead-name.c: Likewise.
* libdiskfs/dir-chg.c: Likewise.
* libdiskfs/dir-link.c: Likewise.
* libdiskfs/dir-lookup.c: Likewise.
* libdiskfs/dir-mkdir.c: Likewise.
* libdiskfs/dir-mkfile.c: Likewise.
* libdiskfs/dir-readdir.c: Likewise.
* libdiskfs/dir-rename.c: Likewise.
* libdiskfs/dir-renamed.c: Likewise.
* libdiskfs/dir-rmdir.c: Likewise.
* libdiskfs/dir-unlink.c: Likewise.
* libdiskfs/disk-pager.c: Likewise.
* libdiskfs/diskfs-pager.h: Likewise.
* libdiskfs/diskfs.h: Likewise.
* libdiskfs/file-access.c: Likewise.
* libdiskfs/file-chg.c: Likewise.
* libdiskfs/file-exec.c: Likewise.
* libdiskfs/file-get-fs-opts.c: Likewise.
* libdiskfs/file-get-trans.c: Likewise.
* libdiskfs/file-get-transcntl.c: Likewise.
* libdiskfs/file-getcontrol.c: Likewise.
* libdiskfs/file-getfh.c: Likewise.
* libdiskfs/file-lock-stat.c: Likewise.
* libdiskfs/file-lock.c: Likewise.
* libdiskfs/file-reparent.c: Likewise.
* libdiskfs/file-set-trans.c: Likewise.
* libdiskfs/file-sync.c: Likewise.
* libdiskfs/file-syncfs.c: Likewise.
* libdiskfs/fsys-getroot.c: Likewise.
* libdiskfs/fsys-options.c: Likewise.
* libdiskfs/fsys-syncfs.c: Likewise.
* libdiskfs/ifsock.c: Likewise.
* libdiskfs/init-first.c: Likewise.
* libdiskfs/init-init.c: Likewise.
* libdiskfs/init-startup.c: Likewise.
* libdiskfs/io-duplicate.c: Likewise.
* libdiskfs/io-get-conch.c: Likewise.
* libdiskfs/io-identity.c: Likewise.
* libdiskfs/io-map-cntl.c: Likewise.
* libdiskfs/io-map.c: Likewise.
* libdiskfs/io-modes-get.c: Likewise.
* libdiskfs/io-modes-off.c: Likewise.
* libdiskfs/io-modes-on.c: Likewise.
* libdiskfs/io-modes-set.c: Likewise.
* libdiskfs/io-owner-get.c: Likewise.
* libdiskfs/io-owner-mod.c: Likewise.
* libdiskfs/io-prenotify.c: Likewise.
* libdiskfs/io-read.c: Likewise.
* libdiskfs/io-readable.c: Likewise.
* libdiskfs/io-reauthenticate.c: Likewise.
* libdiskfs/io-rel-conch.c: Likewise.
* libdiskfs/io-restrict-auth.c: Likewise.
* libdiskfs/io-revoke.c: Likewise.
* libdiskfs/io-seek.c: Likewise.
* libdiskfs/io-sigio.c: Likewise.
* libdiskfs/io-stat.c: Likewise.
* libdiskfs/io-write.c: Likewise.
* libdiskfs/lookup.c: Likewise.
* libdiskfs/name-cache.c: Likewise.
* libdiskfs/node-drop.c: Likewise.
* libdiskfs/node-make.c: Likewise.
* libdiskfs/node-nput.c: Likewise.
* libdiskfs/node-nputl.c: Likewise.
* libdiskfs/node-nref.c: Likewise.
* libdiskfs/node-nrefl.c: Likewise.
* libdiskfs/node-nrele.c: Likewise.
* libdiskfs/node-nrelel.c: Likewise.
* libdiskfs/peropen-rele.c: Likewise.
* libdiskfs/priv.h: Likewise.
* libdiskfs/shutdown.c: Likewise.
* libdiskfs/sync-interval.c: Likewise.
* libfshelp/Makefile: Likewise.
* libfshelp/fetch-root.c: Likewise.
* libfshelp/fshelp.h: Likewise.
* libfshelp/get-identity.c: Likewise.
* libfshelp/lock-acquire.c: Likewise.
* libfshelp/lock-init.c: Likewise.
* libfshelp/locks.h: Likewise.
* libfshelp/set-active.c: Likewise.
* libfshelp/trans.h: Likewise.
* libfshelp/transbox-init.c: Likewise.
* libiohelp/Makefile: Likewise.
* libiohelp/get_conch.c: Likewise.
* libiohelp/handle_io_release_conch.c: Likewise.
* libiohelp/initialize_conch.c: Likewise.
* libiohelp/iohelp.h: Likewise.
* libiohelp/verify_user_conch.c: Likewise.
* libnetfs/Makefile: Likewise.
* libnetfs/dir-lookup.c: Likewise.
* libnetfs/dir-mkdir.c: Likewise.
* libnetfs/dir-mkfile.c: Likewise.
* libnetfs/dir-readdir.c: Likewise.
* libnetfs/dir-rmdir.c: Likewise.
* libnetfs/dir-unlink.c: Likewise.
* libnetfs/drop-node.c: Likewise.
* libnetfs/file-chauthor.c: Likewise.
* libnetfs/file-check-access.c: Likewise.
* libnetfs/file-chflags.c: Likewise.
* libnetfs/file-chmod.c: Likewise.
* libnetfs/file-chown.c: Likewise.
* libnetfs/file-exec.c: Likewise.
* libnetfs/file-get-storage-info.c: Likewise.
* libnetfs/file-get-translator.c: Likewise.
* libnetfs/file-lock-stat.c: Likewise.
* libnetfs/file-lock.c: Likewise.
* libnetfs/file-reparent.c: Likewise.
* libnetfs/file-set-size.c: Likewise.
* libnetfs/file-set-translator.c: Likewise.
* libnetfs/file-statfs.c: Likewise.
* libnetfs/file-sync.c: Likewise.
* libnetfs/file-syncfs.c: Likewise.
* libnetfs/file-utimes.c: Likewise.
* libnetfs/fsys-getroot.c: Likewise.
* libnetfs/fsys-set-options.c: Likewise.
* libnetfs/init-init.c: Likewise.
* libnetfs/io-clear-some-openmodes.c: Likewise.
* libnetfs/io-duplicate.c: Likewise.
* libnetfs/io-get-openmodes.c: Likewise.
* libnetfs/io-get-owner.c: Likewise.
* libnetfs/io-identity.c: Likewise.
* libnetfs/io-mod-owner.c: Likewise.
* libnetfs/io-read.c: Likewise.
* libnetfs/io-readable.c: Likewise.
* libnetfs/io-reauthenticate.c: Likewise.
* libnetfs/io-restrict-auth.c: Likewise.
* libnetfs/io-revoke.c: Likewise.
* libnetfs/io-seek.c: Likewise.
* libnetfs/io-set-all-openmodes.c: Likewise.
* libnetfs/io-set-some-openmodes.c: Likewise.
* libnetfs/io-stat.c: Likewise.
* libnetfs/io-write.c: Likewise.
* libnetfs/make-node.c: Likewise.
* libnetfs/netfs.h: Likewise.
* libnetfs/nput.c: Likewise.
* libnetfs/nref.c: Likewise.
* libnetfs/nrele.c: Likewise.
* libnetfs/release-peropen.c: Likewise.
* libnetfs/shutdown.c: Likewise.
* libpager/Makefile: Likewise.
* libpager/chg-compl.c: Likewise.
* libpager/clean.c: Likewise.
* libpager/data-request.c: Likewise.
* libpager/data-return.c: Likewise.
* libpager/data-unlock.c: Likewise.
* libpager/inhibit-term.c: Likewise.
* libpager/lock-completed.c: Likewise.
* libpager/lock-object.c: Likewise.
* libpager/mark-error.c: Likewise.
* libpager/no-senders.c: Likewise.
* libpager/object-init.c: Likewise.
* libpager/object-terminate.c: Likewise.
* libpager/offer-page.c: Likewise.
* libpager/pager-attr.c: Likewise.
* libpager/pager-create.c: Likewise.
* libpager/pager-shutdown.c: Likewise.
* libpager/priv.h: Likewise.
* libpager/seqnos.c: Likewise.
* libpipe/Makefile: Likewise.
* libpipe/pipe.c: Likewise.
* libpipe/pipe.h: Likewise.
* libports/Makefile: Likewise.
* libports/begin-rpc.c: Likewise.
* libports/bucket-iterate.c: Likewise.
* libports/claim-right.c: Likewise.
* libports/class-iterate.c: Likewise.
* libports/complete-deallocate.c: Likewise.
* libports/count-bucket.c: Likewise.
* libports/count-class.c: Likewise.
* libports/create-bucket.c: Likewise.
* libports/create-internal.c: Likewise.
* libports/destroy-right.c: Likewise.
* libports/enable-bucket.c: Likewise.
* libports/enable-class.c: Likewise.
* libports/end-rpc.c: Likewise.
* libports/get-right.c: Likewise.
* libports/import-port.c: Likewise.
* libports/inhibit-all-rpcs.c: Likewise.
* libports/inhibit-bucket-rpcs.c: Likewise.
* libports/inhibit-class-rpcs.c: Likewise.
* libports/inhibit-port-rpcs.c: Likewise.
* libports/init.c: Likewise.
* libports/interrupt-notified-rpcs.c: Likewise.
* libports/interrupt-on-notify.c: Likewise.
* libports/interrupt-operation.c: Likewise.
* libports/interrupt-rpcs.c: Likewise.
* libports/interrupted.c: Likewise.
* libports/lookup-port.c: Likewise.
* libports/manage-multithread.c: Likewise.
* libports/no-senders.c: Likewise.
* libports/port-deref-weak.c: Likewise.
* libports/port-deref.c: Likewise.
* libports/port-ref-weak.c: Likewise.
* libports/port-ref.c: Likewise.
* libports/ports.h: Likewise.
* libports/reallocate-from-external.c: Likewise.
* libports/reallocate-port.c: Likewise.
* libports/resume-all-rpcs.c: Likewise.
* libports/resume-bucket-rpcs.c: Likewise.
* libports/resume-class-rpcs.c: Likewise.
* libports/resume-port-rpcs.c: Likewise.
* libports/stubs.c: Likewise.
* libports/transfer-right.c: Likewise.
* libstore/Makefile: Likewise.
* libstore/gunzip.c: Likewise.
* libstore/part.c: Likewise.
* libstore/unzipstore.c: Likewise.
* libthreads/Makefile: Likewise.
* libtreefs/dir-lookup.c: Likewise.
* libtreefs/fsys-getroot.c: Likewise.
* libtreefs/fsys-hooks.c: Likewise.
* libtreefs/fsys.c: Likewise.
* libtreefs/trans-help.c: Likewise.
* libtreefs/trans-start.c: Likewise.
* libtreefs/treefs.h: Likewise.
* libtrivfs/cntl-create.c: Likewise.
* libtrivfs/dyn-classes.c: Likewise.
* libtrivfs/io-reauthenticate.c: Likewise.
* libtrivfs/io-restrict-auth.c: Likewise.
* libtrivfs/protid-clean.c: Likewise.
* libtrivfs/protid-dup.c: Likewise.
* libtrivfs/trivfs.h: Likewise.
* mach-defpager/Makefile: Likewise.
* mach-defpager/default_pager.c: Likewise.
* mach-defpager/kalloc.c: Likewise.
* mach-defpager/main.c: Likewise.
* nfs/Makefile: Likewise.
* nfs/cache.c: Likewise.
* nfs/main.c: Likewise.
* nfs/mount.c: Likewise.
* nfs/name-cache.c: Likewise.
* nfs/nfs.h: Likewise.
* nfs/ops.c: Likewise.
* nfs/rpc.c: Likewise.
* nfsd/Makefile: Likewise.
* nfsd/cache.c: Likewise.
* nfsd/loop.c: Likewise.
* nfsd/main.c: Likewise.
* nfsd/nfsd.h: Likewise.
* pfinet/Makefile: Likewise.
* pfinet/ethernet.c: Likewise.
* pfinet/glue-include/asm/spinlock.h: Likewise.
* pfinet/glue-include/linux/interrupt.h: Likewise.
* pfinet/glue-include/linux/sched.h: Likewise.
* pfinet/glue-include/linux/timer.h: Likewise.
* pfinet/glue-include/linux/wait.h: Likewise.
* pfinet/iioctl-ops.c: Likewise.
* pfinet/io-ops.c: Likewise.
* pfinet/kmem_cache.c: Likewise.
* pfinet/main.c: Likewise.
* pfinet/options.c: Likewise.
* pfinet/pfinet-ops.c: Likewise.
* pfinet/pfinet.h: Likewise.
* pfinet/sched.c: Likewise.
* pfinet/socket-ops.c: Likewise.
* pfinet/socket.c: Likewise.
* pfinet/timer-emul.c: Likewise.
* pfinet/tunnel.c: Likewise.
* pflocal/Makefile: Likewise.
* pflocal/connq.c: Likewise.
* pflocal/io.c: Likewise.
* pflocal/sock.c: Likewise.
* pflocal/sock.h: Likewise.
* pflocal/socket.c: Likewise.
* pflocal/sserver.c: Likewise.
* proc/Makefile: Likewise.
* proc/info.c: Likewise.
* proc/main.c: Likewise.
* proc/mgt.c: Likewise.
* proc/msg.c: Likewise.
* proc/proc.h: Likewise.
* proc/stubs.c: Likewise.
* proc/wait.c: Likewise.
* storeio/Makefile: Likewise.
* storeio/dev.c: Likewise.
* storeio/dev.h: Likewise.
* storeio/open.c: Likewise.
* storeio/open.h: Likewise.
* storeio/pager.c: Likewise.
* storeio/storeio.c: Likewise.
* term/Makefile: Likewise.
* term/devio.c: Likewise.
* term/hurdio.c: Likewise.
* term/main.c: Likewise.
* term/munge.c: Likewise.
* term/ptyio.c: Likewise.
* term/term.h: Likewise.
* term/users.c: Likewise.
* tmpfs/Makefile: Likewise.
* tmpfs/dir.c: Likewise.
* tmpfs/node.c: Likewise.
* tmpfs/tmpfs.c: Likewise.
* tmpfs/tmpfs.h: Likewise.
* trans/Makefile: Likewise.
* trans/fakeroot.c: Likewise.
* trans/fifo.c: Likewise.
* trans/hello-mt.c: Likewise.
* trans/new-fifo.c: Likewise.
* trans/streamio.c: Likewise.
* ufs/Makefile: Likewise.
* ufs/alloc.c: Likewise.
* ufs/dir.c: Likewise.
* ufs/hyper.c: Likewise.
* ufs/inode.c: Likewise.
* ufs/main.c: Likewise.
* ufs/pager.c: Likewise.
* ufs/pokeloc.c: Likewise.
* ufs/sizes.c: Likewise.
* ufs/ufs.h: Likewise.
* usermux/Makefile: Likewise.
* usermux/mux.c: Likewise.
* usermux/node.c: Likewise.
* usermux/usermux.h: Likewise.
* utils/Makefile: Likewise.
* utils/fakeauth.c: Likewise.
* utils/rpctrace.c: Likewise.
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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.
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* libpipe/pq.h (packet_peek): Declare new function.
* libpipe/pq.c (packet_read): Move code to new `packet_fetch' function, call it
with `remove' set to 1.
(packet_fetch): New function with code from `packet_read', but do not remove
data if `remove' is 0.
(packet_peek): New function, calls `packet_fetch' with `remove' set to 0.
* libpipe/dgram.c (dgram_read): When MSG_PEEK is in *flags, do not dequeue
and only peek data.
* libpipe/seqpack.c (seqpack_read): Likewise.
* libpipe/stream.c (stream_read): Likewise.
* pflocal/socket.c (S_socket_recv): Pass MSG_PEEK flag to libpipe.
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* Makeconf (lndist): Remove target.
(dist-hook, dist.tar): New targets.
* Makefile (dist): Rewrite this target's as well as accompanying rules.
(%-lndist, cp-linked-files, $(lf-inst)): Remove targets.
(%.bz2, %.gz, %/dist-hook): New targets.
(DISTFILES): Set.
* doc/Makefile (DISTFILES): Set.
* doc/Makefile (lndist, lndist-info-targets): Remove targets.
* include/Makefile (lndist): Remove target.
* libthreads/Makefile (lndist, lndist-i386-files, lndist-map-file): Remove
targets.
* pfinet/Makefile (lndist, lndist-linux-src-net-core-files)
(lndist-linux-src-net-ethernet-files, lndist-linux-src-net-ipv4-files)
(lndist-linux-src-net-ipv6-files, lndist-linux-src-asm-files)
(lndist-linux-src-include-linux-files, lndist-linux-src-include-net-files)
(lndist-linux-src-include-asm-files, lndist-glue-include-linux-files)
(lndist-glue-include-asm-files): Remove targets.
* auth/Makefile (LCLHDRS): Don't set.
* boot/Makefile (LCLHDRS, DIST_FILES): Likewise.
* bsdfsck/Makefile (LCLHDRS): Likewise.
* config/Makefile (DIST_FILES): Likewise.
* console-client/Makefile (LCLHDRS): Likewise.
* console/Makefile (LCLHDRS, DIST_FILES): Likewise.
* doc/Makefile (DIST_FILES): Likewise.
* exec/Makefile (LCLHDRS, DIST_FILES): Likewise.
* ext2fs/Makefile (LCLHDRS): Likewise.
* fatfs/Makefile (LCLHDRS): Likewise.
* ftpfs/Makefile (LCLHDRS): Likewise.
* hostmux/Makefile (LCLHDRS): Likewise.
* hurd/Makefile (DIST_FILES): Likewise.
* include/Makefile (LCLHDRS): Likewise.
* isofs/Makefile (LCLHDRS, DIST_FILES): Likewise.
* libcons/Makefile (LCLHDRS): Likewise.
* libdirmgt/Makefile (LCLHDRS): Likewise.
* libdiskfs/Makefile (LCLHDRS): Likewise.
* libfshelp/Makefile (LCLHDRS): Likewise.
* libftpconn/Makefile (LCLHDRS): Likewise.
* libihash/Makefile (LCLHDRS): Likewise.
* libiohelp/Makefile (LCLHDRS): Likewise.
* libnetfs/Makefile (LCLHDRS): Likewise.
* libpager/Makefile (LCLHDRS): Likewise.
* libpipe/Makefile (LCLHDRS): Likewise.
* libports/Makefile (LCLHDRS): Likewise.
* libps/Makefile (LCLHDRS): Likewise.
* libshouldbeinlibc/Makefile (LCLHDRS): Likewise.
* libstore/Makefile (LCLHDRS, DIST_FILES): Likewise.
* libthreads/Makefile (LCLHDRS): Likewise.
* libtreefs/Makefile (LCLHDRS): Likewise.
* libtrivfs/Makefile (LCLHDRS): Likewise.
* mach-defpager/Makefile (LCLHDRS): Likewise.
* nfs/Makefile (LCLHDRS): Likewise.
* nfsd/Makefile (LCLHDRS): Likewise.
* pfinet/Makefile (LCLHDRS): Likewise.
* pflocal/Makefile (LCLHDRS): Likewise.
* proc/Makefile (LCLHDRS, DIST_FILES): Likewise.
* release/Makefile (DIST_FILES): Likewise.
* storeio/Makefile (LCLHDRS): Likewise.
* sutils/Makefile (LCLHDRS): Likewise.
* term/Makefile (LCLHDRS, DIST_FILES): Likewise.
* tmpfs/Makefile (LCLHDRS): Likewise.
* ufs-fsck/Makefile (LCLHDRS): Likewise.
* ufs/Makefile (LCLHDRS): Likewise.
* usermux/Makefile (LCLHDRS): Likewise.
* utils/Makefile (LCLHDRS): Likewise.
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* ext2fs/Makefile (SRCS): Add xinl.c
* libtreefs/Makefile (OTHERSRCS): Likewise.
* term/Makefile (SRCS): Likewise.
* ufs/Makefile (SRCS): Likewise.
* hostmux/hostmux-xinl.c: Define HOSTMUX_DEFINE_EI instead of HOSTMUX_EI.
* libdiskfs/extern-inline.c: Define DISKFS_DEFINE_EXTERN_INLINE instead of
DISKFS_EXTERN_INLINE.
* libftpconn/xinl.c: Define FTP_CONN_DEFINE_EI instead of FTP_CONN_EI.
* libpipe/pipe-funcs.c: Define PIPE_DEFINE_EI instead of PIPE_EI.
* libpipe/pq-funcs.c: Define PQ_DEFINE_EI instead of PQ_EI.
* libshouldbeinlibc/idvec-funcs.c: Define IDVEC_DEFINE_EI instead of
IDVEC_EI.
* libshouldbeinlibc/maptime-funcs.c: Define MAPTIME_DEFINE_EI instead of
MAPTIME_EI.
* libshouldbeinlibc/ugids-xinl.c: Define UGIDS_DEFINE_EI instead of
UGIDS_EI.
* libstore/xinl.c: Define STORE_DEFINE_EI instead of STORE_EI.
* libthreads/rwlock.c: Define RWLOCK_DEFINE_EI instead of RWLOCK_EI.
* ext2fs/xinl.c: New file, define EXT2FS_DEFINE_EI and include "ext2fs.h"
* libtreefs/xinl.c: New file, define TREEFS_DEFINE_EI and include "treefs.h"
and "mig-decls.h".
* term/xinl.c: New file, define TERM_DEFINE_EI and include "term.h".
* ufs/xinl.c: New file, define UFS_DEFINE_EI and include "ufs.h"
* ext2fs/ext2fs.h: Include <features.h>, define EXT2FS_EI to __extern_inline
instead of "extern inline", define it to empty when EXT2FS_DEFINE_EI is
defined. Always declare extern inline prototypes, and define extern inlines
content only if __USE_EXTERN_INLINES or EXT2FS_DEFINE_EI is defined.
* libdiskfs/diskfs.h: Likewise with DISKFS_EXTERN_INLINE and
DISKFS_DEFINE_EXTERN_INLINE.
* libftpconn/ftpconn.h: Likewise with FTP_CONN_EI and FTP_CONN_DEFINE_EI.
* libftpconn/priv.h: Likewise.
* libpipe/pipe.h: Likewise with PIPE_EI and PIPE_DEFINE_EI.
* libpipe/pq.h: Likewise with PQ_EI and PQ_DEFINE_EI.
* libshouldbeinlibc/idvec.h: Likewise with IDVEC_EI and IDVEC_DEFINE_EI.
* libshouldbeinlibc/maptime.h: Likewise with MAPTIME_EI and
MAPTIME_DEFINE_EI.
* libshouldbeinlibc/ugids.h: Likewise with UGIDS_EI and UGIDS_DEFINE_EI.
* libstore/store.h: Likewise with STORE_EI and STORE_DEFINE_EI.
* libthreads/rwlock.h: Likewise with RWLOCK_EI and RWLOCK_DEFINE_EI.
* term/term.h: Likewise with TERM_EI and TERM_DEFINE_EI.
* ufs/ufs.h: Likewise with UFS_EI and UFS_DEFINE_EI.
* libtreefs/treefs.h: Include <features.h>, define TREE_FS_EI to
__extern_inline, or to empty when TREEFS_DEFINE_EI is defined. Use TREEFS_EI
instead of "extern inline".
* libtreefs/mig-decls.h: Use TREEFS_EI instead of "extern inline".
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libpipe/pipe.c (pipe_recv): Even if `source' is NULL and packet source exists,
do not dereference it, as pq_dequeue already does it.
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* libpipe/pipe.c (pipe_recv): If `source' is NULL but packet source exists,
dereference it.
* pflocal/io.c (S_io_write): Only dereference the source on errors.
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* Fix spelling with codespell[1] and manually review it.
[1] http://git.profusion.mobi/cgit.cgi/lucas/codespell/
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* ChangeLog: Wipe out content, and add instructions about how to get it back.
* auth/ChangeLog: Remove file.
* benchmarks/ChangeLog: Likewise.
* boot/ChangeLog: Likewise.
* bsdfsck/ChangeLog: Likewise.
* config/ChangeLog: Likewise.
* console-client/ChangeLog: Likewise.
* console/ChangeLog: Likewise.
* daemons/ChangeLog: Likewise.
* defpager/ChangeLog: Likewise.
* doc/ChangeLog: Likewise.
* exec/ChangeLog: Likewise.
* ext2fs/ChangeLog: Likewise.
* fatfs/ChangeLog: Likewise.
* fstests/ChangeLog: Likewise.
* ftpfs/ChangeLog: Likewise.
* hostmux/ChangeLog: Likewise.
* hurd/ChangeLog: Likewise.
* include/ChangeLog: Likewise.
* init/ChangeLog: Likewise.
* isofs/ChangeLog: Likewise.
* libcons/ChangeLog: Likewise.
* libdirmgt/ChangeLog: Likewise.
* libdiskfs/ChangeLog: Likewise.
* libfshelp/ChangeLog: Likewise.
* libftpconn/ChangeLog: Likewise.
* libhurdbugaddr/ChangeLog: Likewise.
* libihash/ChangeLog: Likewise.
* libiohelp/ChangeLog: Likewise.
* libnetfs/ChangeLog: Likewise.
* libpager/ChangeLog: Likewise.
* libpipe/ChangeLog: Likewise.
* libports/ChangeLog: Likewise.
* libps/ChangeLog: Likewise.
* libshouldbeinlibc/ChangeLog: Likewise.
* libstore/ChangeLog: Likewise.
* libthreads/ChangeLog: Likewise.
* libtrivfs/ChangeLog: Likewise.
* login/ChangeLog: Likewise.
* mach-defpager/ChangeLog: Likewise.
* nfs/ChangeLog: Likewise.
* nfsd/ChangeLog: Likewise.
* pfinet/ChangeLog: Likewise.
* pflocal/ChangeLog: Likewise.
* proc/ChangeLog: Likewise.
* release/ChangeLog: Likewise.
* serverboot/ChangeLog: Likewise.
* storeio/ChangeLog: Likewise.
* sutils/ChangeLog: Likewise.
* term/ChangeLog: Likewise.
* tmpfs/ChangeLog: Likewise.
* trans/ChangeLog: Likewise.
* ufs-fsck/ChangeLog: Likewise.
* ufs-utils/ChangeLog: Likewise.
* ufs/ChangeLog: Likewise.
* usermux/ChangeLog: Likewise.
* utils/ChangeLog: Likewise.
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* pq.c (packet_write): Only dereference AMOUNT if it is not the null
pointer and document the change.
* pq.h (packet_write): Document the change.
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* pq.c (packet_set_ports): Correctly replace old ports buffer with
new one. Take size of mach_port_t rather than pointer to it.
(packet_read_ports): Take size of mach_port_t rather than pointer
to it.
(pq_queue): Update PACKET->num_ports, PACKET->buf_start and
PACKET->buf_end for reused packets as well.
Submitted by Ognyan Kulev <ogi@fmi.uni-sofia.bg>.
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* pq.c (packet_realloc): Use mmap instead of vm_allocate.
(packet_read_ports): Likewise.
(packet_read): Likewise.
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* pq.c: Add #include <sys/mman.h> for munmap decl.
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* pq.c (free_packets): Use munmap instead of vm_deallocate.
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* pipe.h: Add extern inline protection.
* pq.h: Likewise.
* pipe-funcs.c, pq-funcs.c: New files.
* Makefile (SRCS): Add pipe-funcs.c and pq-funcs.c.
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(packet_ensure, packet_ensure_efficiently): Use packet_fit().
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vm_alloced buffer, deallocate it.
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removed any empty space at the beginning of BUF.
|
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Use packet_new_size() instead of packet_size_adjust().
(packet_size_adjust): Declaration removed.
(packet_new_size): New declaration.
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For non-blocking writes, avoid writing more than the user requested.
|
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(packet_new_size): New function.
(packet_read): Re-arrange to be slightly less confusing.
Reverse start-past-buf-beginning test that may have leaked memory.
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(packet_read): When a page-aligned read consumes the whole buffer, but there's
a non-page-multiple amount available, don't let buf_len go negative.
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but doesn't a page-multiple amount of data and we're reading everything.
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(pipe_select): Renamed to `pipe_select_readable'.
(pipe_writable, pipe_wait_writable, pipe_select_writable): New functions.
(pipe_acquire_reader): Call _pipe_first_reader if necessary.
(_pipe_first_reader): New declaration.
(struct pipe): New fields: `write_limit', `write_atomic',
`pending_writes', `pending_write_selects'.
(struct pipe): `pending_selects' changed to `pending_read_selects'.
(pipe_pair_select): New declaration.
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`pipe_select_read' --> `pipe_select_readable'.
`pipe_select_write' --> `pipe_select_writable'.
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(pipe_recv): Wakeup blocked writers.
(pipe_kick): Function deleted.
(pipe_create): Make connection-oriented pipes start out broken.
(_pipe_first_reader): New function.
(_pipe_first_writer): Don't check whether PIPE is connection- oriented before
clearing PIPE_BROKEN, as otherwise it will never be set.
(pipe_pair_select_read_write): New function.
(pipe_multiple_lock): New variable.
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(pipe_wait): Use hurd_condition_wait to detect interrupts instead of previous
ad-hoc mechanism.
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`aquire' -> `acquire'.
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(_pipe_first_writer): New function.
(_pipe_no_writers, _pipe_no_writers): New function.
(pipe_break): Function deleted.
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(pipe_aquire_reader, pipe_aquire_writer): New functions.
(pipe_release_reader, pipe_release_writer): New functions.
(pipe_add_reader, pipe_add_writer): New functions.
(pipe_remove_reader, pipe_remove_writer): New functions.
(_pipe_first_writer): New function decl.
(_pipe_no_writers, _pipe_no_writers): New function decl.
(pipe_aquire, pipe_release): Function deleted.
(pipe_break): Function decl deleted.
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control packet if there is no data packet, since pipe_write always writes a
data packet.
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if there is no corresponding data packet.
(pipe_send): Change the test to determine whether we should write a control
packet, so that we only do so if we need to. Also, don't record the source
address in control packets, as it's recorded in the following data packet
anyway, and this prevents it from being dealloc'd twice.
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Make these declarations extern so they don't fuck up initialization.
(seqpacket_pipe_class): Renamed to `seqpack_pipe_class'.
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