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patch)
small little patch to help fdisk work properly on 64-bit machines.
sizeof(Table) is 4 bytes too big.
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bad:
term% echo 1 1 | aux/statusbar -t x
|###########################################################| 100% term%
vs.
good:
term% echo 1 1 | aux/statusbar -t x
|###########################################################| 100%
term%
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add checktag and nil checks in cfsdump() making sure to notice
when the roroot directory structures is corrupted.
cwrecur() used tag == Tsuper to indicate that this is the first
level recursive invocation. this is confusing as we really expect
Tdir tag in that case for the root directory. instead, we now
pass the correct tag (Tdir) and use cw->depth > 1 to see if we
are past the root.
the block tag was only checked when the block was not in
the memory cache. check the tag always!
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this should prevent accidential fiddeling with the kernels
mouse driver.
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just closing the pipe isnt enough, we have to
close all remaining file descriptors except sfd
before executing sub exportfs.
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initstr error
fork child exportfs with new rendezvous group.
fix missing close of pipe filedescriptors on error.
fix missing close of other end of pipe in child.
dont bark when we get eof on the first init string read.
this condition can happen when unmount opens and
immidiately closes a exported srv file.
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Generate correct ARM vfp code for x++ where x is single precision float.
Example test program (link with '5l -f'): void _main() { float x; x++;}
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request flushing)
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rendezvous group
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newwindow() before forking namespace
use exec to avoid intermediate rc processes.
avoid capturing old namespace in the waiting process by doing the
newwindow() call before it.
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running page in own note group avoids killing it when we
exit mothra.
copypaste dupfds() function from page and use it to close
unneeded file descriptors.
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useless RFNAMEG flag
we are not using stdout (fd=1) and it, so dup nullfd over it.
this drops the old window reference when using with -w flag.
the RFNAMEG flag isnt needed because we are calling newwindow()
which forks the namespace for us.
reopen stdin/stdout for the external viewer to the new window.
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newwindow() used to mount the new window directly on /dev, resulting
in the old window and the new one being mounted over each other.
we now try to unmount the old window from /dev first, mount new
window to /mnt/wsys (replacing the old) and then bind /mnt/wsys
before /dev.
if theres no /mnt/wsys, just mount window directly before /dev.
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$wsys might be from a remote system so pid will not work.
new rio errors out on mouse/cons instead.
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dont rely on postnote to shutdown client. instead, make reads on
cons, kbd and mouse error. when we mount a window system over
exportfs, the pid useless and even dangerous! pid should be
only used by clients forked by rio itself.
fix bug in resized(), goodrect() takes rect in screen coordinates!
make rectonscreen() fix window size if the window doesnt fit
on the screen.
improve goodrect() to check for windows outside of the screen or
bigger than screen without borders visible.
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the openbsd sis(4) driver does not actually go through the rest
of softreset() with sis cards. also, rev 635 reads the mac address
differently, so copy-paste code from openbsd to handle that.
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instructions
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compiler issue
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al widgets
the automatic routing from jack to dac/adc sometimes gets us
a path thats not audible. manually specifying a route path
gets us arround these. the syntax is just a comma separated
list of node ids in the "pin" and "inpin" audioctl commands
instead of a single pin node id.
to find alternative paths, audiostat now lists all the widgets;
not just the pins; and ther input connections.
initially mute all pins and amps of all function groups.
connectpath() and disconnectpath() will mute and unmute
the widgets as required later.
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forkret() labels the instructions that can raise exceptions
so they can be handled in trap(). this can happen when
segment descriptors get invalidated.
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the standard is i/o bar 0 is the mixer and bar 1 is status/control.
the magic with the bar sizes made it fail in qemu. so removing it
for now as all devices seen so far comply to the standard.
if we ever see a sis7012 where this might be swaped uncomment the i=0;
the busywait timeout is too long in ac97mixreset() because rd/wr
have a timeout on ther own. just remove the busy looping and do
a one second delay after mixer reset. (tested with t23)
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semaphore locks have much higher overhead than initially presented
in the "Semaphores in Plan9" paper. until the reason for it has been
found out i will revert the changes.
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