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we cannot do:
cmdpid = rfork(... RFMEM);
because cmdpid is a global variable in the data segment
and hence shared between parent and child process. use a
temporary variable on the stack.
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- TLSconn structure on stack but not initialized (zeroed)
- original filedescriptor double closed in error case
- original filedescriptor leaked in success case
- leaked TLSconn.sessionID and TLSconn.cert
- clarify in pushtls(2) and pushssl(2)
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T.S. Eliot
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distribute irqs in setuplink(), remove debug prints
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window resize is only neccesary if tagline changed.
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this is so we cna handle:
foo = `{echo `{echo bar}}
thanks to erik and friedrich psiorz on 9fans for
bringing the issue up.
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buildin methods
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export amldelay() for microsecond sleeps.
implement _OSI() method.
fix rwreg argument in evalload()
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these are now part of libaml but can still be overridden
when needed.
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names, FindSetLeftBit/FindSetRightBit
new io interface was added. user defines amlmapio() and amlunmapio() functions
that will fill out Amlio structure with function pointers to read/write
routines for a particular region.
amlnew() function added allowing the creation of aml objects like buffers
or packages. these can be passed to amleval() with b, p or * format.
amltake()/amldrop() exclude an aml object from garbage collection.
on load, names are not always resolvable until the whole table is loaded.
for this, we create n objects that are just name strings. after load, we
recursively traverse the namespace and resolve them (see fixnames()).
the FindSetLeftBit and FindSetRightBit opcodes got implemened.
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the difficulty is freeing items while parsing because items might already
be linked into various linked lists like in docinfo.images or form.fiels.
so we link images, tables and formfields to the docinfo as the final step
of getitems() pass using the new recursive function linkitems(). as only
reachable items get linked theres no danger of dangeling pointers.
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always look for 9fat in plan9 partition even tho the partition
is *not* maked active. marking partitions active is not
recommended anymore with grub so this makes life easier for
some people. multiple plan9 partitions on a single drive
is not supported.
have to copy partition table as buf gets trashed when reading
first block of fat partition. it worked only when the first
fat partition found (the one marked active) was the right one,
but conffat() can fail.
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png: colorspace will never be CYCbCr (this is no
doubt from copy-pasting from jpg)
tif: everyone else uses colorspace as a function
argument, so we will too
readtif, writetif: credit paul bourke
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assert port reset for 50ms, not 10ms.
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Port Reset R/W. 1=Port is in Reset. 0=Port is not in Reset. Default = 0. When
software writes a one to this bit (from a zero), the bus reset sequence as defined in the
USB Specification Revision 2.0 is started. Software writes a zero to this bit to terminate
the bus reset sequence. Software must keep this bit at a one long enough to ensure the
reset sequence, as specified in the USB Specification Revision 2.0, completes. Note:
when software writes this bit to a one, it must also write a zero to the Port Enable bit.
Note that when software writes a zero to this bit there may be a delay before the bit
status changes to a zero. The bit status will not read as a zero until after the reset
has completed.
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Fix SEARCH command in imap4d by replacing the cistrstr typo with cistrcmp.
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openmode() can raise error with invalid mode passed, but we already
incremented the exclusive mouse refcount at that point! call openmode()
early to avoid this.
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only decrement refcount when file was successfully opend
on clunk, fix refcount when devopen() errors.
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spawn a kernel process to check the broken state of the controller.
if the firmware crashed, or rfkill was toggled we will reset and
reboot the firmware. also power down the card when rfkill is off.
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double the td abort delay and make sure the tsleep() isnt
shortened by a pending note. in that case, tsleep() would
raise error(Eintr); immidiately and would not sleep the
requested amount potentially cauing us to release active
dma memory too early! so we wrap the tsleep() call in a
while(waserror()) so we will at least wait the Abortdelay
amount if error is raised.
also, only try to idle the still active td's.
do not copy data in epio() when there was an error, theres
no reason to touch user buffer in that case.
for uhci, we also check that theres not more data in the
buffers than requested to avoid overflowing user buffer
in epio(). this should not happen but we'r paranoid.
for ehci, we also halt the queue head first in aborttds().
mark the queue heads as Qfree after unlinking and remove
some silly nil checks that are impossible.
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cryptsetup(8), hjfs(8), kbdfs(8), realemu(8), wpa(8): fix spelling, typos
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