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give the reader enough context to know when to use and not
use the delay family of functions.
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(thanks joe9)
the usage lines in vac where out of sync with the implementation
and the manpages.
document the -a and -x options, from:
https://github.com/9fans/plan9port/blob/master/man/man1/vac.1
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Use "CDT" for DST as distinct from "CST" for non-DST.
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this change adds some of the kernel manpages from 9legacy,
fixed and updated to match the changes in 9front.
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State strings are now padded to 12-characters. Remove ambiguous
reference to "12-character style", instead referring the reader to
image(6).
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This makes it possible to read the entire initial contents of the wctl
files without blocking.
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Previously, reads of wctl files would return one byte less than
requested as the returned string must be null terminated. Now we pass
the actual size of the allocated buffer to the handler, which is large
enough to accommodate a trailing partial rune and terminating null
byte.
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block, fix map[] access in ledkproc()
Ori_B reports that his controller gets stuck in the ahciencreset()
wait loop. so we implement a 1000 ms timeout. we replace delay()
with esleep() as we are always called from the ledkproc().
blink() could enter infinite delay loop as well, so instead of
waiting for the message to get transmitted we exit making it
non-blocking (we will get called again anyway).
the access to the controller map[] was wrong in ledkproc(). the
index is the controller number, not the drive number!
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wpapsk=password boot parameter
this allows automatic netbooting without password prompt
for the wirelss network.
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Support for 'path=', 'uname=', 'gname=', 'size=', and 'atime=' pax
headers is useful. Others are ignored, possibly with a warning.
We were running into missing support with the 'go' extraction.
At the same time, this cleans up the way that we handle paths,
getting rid of static buffers with hidden space at the front.
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when making outgoing connections, the source ip was selected
by just iterating from the first to the last interface and
trying each local address until a route was found. the result
was kind of hard to predict as it depends on the interface
order.
this change replaces the algorithm with the route lookup algorithm
that we already have which takes more specific desination and
source prefixes into account. so the order of interfaces does
not matter anymore.
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Tar specifies that a filename ending with '/' is a directory. We were
incorrectly looking at the short name. This meant that when we have long
filenames with a '/' at the 100th character, we would decide it was a
directory.
This change uses the long name when deciding the size for extraction,
and trusts the header size when just skipping forward in the stream.
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drawn
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extract1() expects two extra bytes to be avilabe before
fname buffer so it can prepend ./ before the name. this
used to be the case with name(), but was violated when
long name support was added and getname() was used in
place of name() which did not reserve the 2 extra bytes.
this change reserves two extra bytes in the getname()'s
static buffer and also removes the extra copy as name()
already makes a copy.
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Since numeric timezone offsets are relative to GMT, initialise zone to
GMT so tm2sec(2) does not assume local time.
Note that if strtotm encounters a timezone *string* and consequently
overwrites zone then we will end up in the same mess since tm2sec(2)
only deals with GMT or local time.
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buffer capacity
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This preserves the desired behaviour of *not* scrolling to the bottom
of plumbed messages even when rio(1) is invoked with the -s flag.
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when $DNSSERVER is empty, query ndb for local dns servers
instead of not using any at all.
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MTA has 128 entries, according to section 8.10.15 in the datasheet.
this fixes ipv6 in apu2 which has 3x i210 (8086/157b).
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with unix.
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there was a race between the sendproc putting the request on
the sreqrd[] id and the recvproc handling the response, and
potentially freeing the request before the sendproc() was
finished with the request (or the fid).
so we defer allocating a request id and putting it on the
sreqrd[] stage after we have completely generated the
request in vpack(). this prevents the handling of the request
before it is even sent.
this also means that the SReq should not be touched after
calling sendpkt(), submitreq(), submitsreq().
secondly, putsfid() needs to acquire the RWLock to make sure
sendproc() is finished with the request. the scenario is that
recvproc() can call respond() on the request before sendproc()
has unlocked the SFid.
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move digest pointer into Mtree structrue and embed it into Idx struct
(which is embedded in Message) to avoid one level of indirection
during mtreecmp().
get rid of mtreeisdup(). instead we have mtreeadd() return the old
message in case of a collision. this avoids double lookup.
increase the hash table size for henter() and make it a prime.
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function
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manipulating kernel page table
on 386, the kernel memory region is mapped using huge 4MB pages
(when supported by the cpu). so the uncached pte manipulation
does not work to map the cursor data with uncached attribute.
instead, we allocate a memory page using newpage() and map
it globally using vmap(), which maps it uncached.
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