odds and ends

14 files changed, 1454 insertions, 5 deletions

diff --git a/bin/.cvsignore b/bin/.cvsignore
new file mode 100644
index 00000000..321cc308
--- /dev/null
+++ b/bin/.cvsignore
@@ -0,0 +1,106 @@
+9grep
+9p
+9pserve
+9sed
+9term
+9yacc
+_mk
+acid
+acidtypes
+acme
+aescbc
+ascii
+astro
+basename
+bc
+bmp
+bunzip2
+bzip2
+cal
+calendar
+cat
+cleanname
+cmp
+comm
+date
+db
+dc
+deroff
+dict
+diff
+echo
+ed
+factor
+fmt
+fortune
+freq
+fsize
+gif
+graph
+grep9
+gunzip
+gzip
+hoc
+htmlfmt
+ico
+idiff
+join
+jpg
+look
+ls
+mapd
+mc
+md5sum
+mk
+mkdir
+mtime
+namespace
+news
+p
+pbd
+plot
+plumb
+plumber
+png
+ppm
+pr
+primes
+ramfs
+rc
+rio
+rm
+sam
+samterm
+scat
+seq
+sha1sum
+sleep
+sort
+split
+sprog
+strings
+sum
+tail
+tcs
+tee
+test
+testfdpass
+time
+togif
+toico
+topng
+toppm
+touch
+tr
+tweak
+unicode
+uniq
+units
+unutf
+unzip
+wc
+win
+xd
+yacc
+yuv
+zip
diff --git a/dict/.cvsignore b/dict/.cvsignore
new file mode 100644
index 00000000..6a0079bd
--- /dev/null
+++ b/dict/.cvsignore
@@ -0,0 +1,2 @@
+pgw
+pgwindex
diff --git a/lib/.cvsignore b/lib/.cvsignore
new file mode 100644
index 00000000..71a48480
--- /dev/null
+++ b/lib/.cvsignore
@@ -0,0 +1 @@
+fortunes.index
diff --git a/lib/units b/lib/units
new file mode 100644
index 00000000..106fc0f9
--- /dev/null
+++ b/lib/units
@@ -0,0 +1,597 @@
+/order of evaluation
+/ + -
+/ * /
+/ juxtaposition (meaning *)
+/ ¹ ² ³ ^
+/ | (meaning /)
+/ name number ()
+
+/dimensions
+m			#
+kg			#
+sec			#
+coul			#
+candela			#
+$			#
+radian			#
+bit			#
+erlang			#
+°K			#
+°C			#
+°F			#
+
+/constants
+
+π			3.14159265358979323846
+pi			π
+c			2.997925e+8 m/sec
+g			9.80665 m/sec²
+au			1.49597871e+11 m
+mole			6.022169e+23
+e			1.6021917e-19 coul
+energy			c²
+force			g
+mercury			1.33322e+5 kg/m²sec²
+hg			mercury
+h			6.62620e-34 m²kg/sec
+ℏ			h/2 π
+hbar			ℏ
+nonillion		1e30
+octillion		1e27
+septillion		1e24
+sextillion		1e21
+pentillion		1e18
+quadrillion		1e15
+trillion		1e12
+billion			1e9
+million			1e6
+thousand		1e3
+hundred			1e2
+
+/dimensionless
+
+°			1|180 π radian
+degree			°
+circle			2 π radian
+turn			2 π radian
+grad			.9 °
+arcdeg			1 °
+arcmin			1|60 °
+arcsec			1|3600 °
+ccs			1|36 erlang
+
+steradian		radian²
+sphere			4 π steradian
+sr			steradian
+giga		1024 1024 1024
+
+/Time
+
+second			sec
+s			sec
+minute			60 sec
+min			minute
+hour			60 min
+hr			hour
+day			24 hr
+da			day
+week			7 day
+year			365.24219879 day
+yr			year
+month			1|12 year
+ms			millisec
+us			microsec
+
+/Mass
+
+gram			millikg
+gm			gram
+mg			milligram
+metricton		kilokg
+
+/Avoirdupois
+
+lb			.45359237 kg
+lbf			lb g
+pound			lb
+ounce			1|16 lb
+oz			ounce
+dram			1|16 oz
+dr			dram
+grain			1|7000 lb
+gr			grain
+shortton		2000 lb
+ton			shortton
+longton			2240 lb
+
+/Apothecary
+
+scruple			20 grain
+apdram			60 grain
+apounce			480 grain
+troyounce		apounce
+appound			5760 grain
+troypound		appound
+
+/Length
+
+meter			m
+cm			centimeter
+mm			millimeter
+km			kilometer
+nm			nanometer
+micron			micrometer
+µ			micrometer
+Å			decinanometer
+angstrom		Å
+
+inch			2.54 cm
+"			inch
+in			inch
+inches		inch
+'			12"
+foot			12 in
+feet			foot
+ft			foot
+yard			3 ft
+yd			yard
+rod			5.5 yd
+rd			rod
+mile			5280 ft
+mi			mile
+
+british			1200|3937 m/ft
+nmile			1852 m
+
+acre			4840 yd²
+
+cc			cm³
+liter			kilocc
+ml			milliliter
+
+/US Liquid
+
+gallon			231 in³
+imperial		1.20095
+epa			0.8
+gal			gallon
+quart			1|4 gal
+qt			quart
+pint			1|2 qt
+pt			pint
+
+floz			1|16 pt
+fldr			1|8 floz
+
+/US Dry
+
+dry			268.8025 in³/gallon
+peck			8 dry quart
+pk			peck
+bushel			4 peck
+bu			bushel
+
+/British
+
+brgallon		277.420 in³
+brquart			1|4 brgallon
+brpint			1|2 brquart
+brfloz			1|20 brpint
+brpeck			554.84 in³
+brbushel		4 brpeck
+
+/Energy Work
+
+newton			kg m/sec²
+nt			newton
+joule			nt m
+cal			4.1868 joule
+
+/Electrical
+
+coulomb			coul
+ampere			coul/sec
+amp			ampere
+watt			joule/sec
+volt			watt/amp
+Ω			volt/amp
+ohm			Ω
+mho			1/Ω
+farad			coul/volt
+henry			sec²/farad
+weber			volt sec
+
+/Light
+
+cd			candela
+lumen			cd sr
+lux			cd sr/m²
+
+/ MONEY DATE
+/ Fri Oct 27 15:52:13 EDT 2000
+
+/ MONEY START
+argentpeso		1 | .9998 $
+australiadollar		1 | 1.9175 $
+brazilreal		1 | 1.9300 $
+britainpound		1 | .6972 $
+canadadollar		1 | 1.5237 $
+chilepeso		1 | 576.45 $
+chinayuan		1 | 8.2782 $
+colombiapeso		1 | 2165.00 $
+czechrepkoruna		1 | 42.11 $
+denmarkkrone		1 | 9.0134 $
+dominicanpeso		1 | 16.00 $
+egyptpound		1 | 3.6750 $
+euro			1 | 1.08863 $
+hongkongdollar		1 | 7.7991 $
+hungaryforint		1 | 317.59 $
+indiarupee		1 | 46.600 $
+indnsiarupiah		1 | 9025.00 $
+israelshekel		1 | 4.1450 $
+japanyen		1 | 108.34 $
+jordandinar		1 | .71098 $
+lebanonpound		1 | 1514.00 $
+malaysiaringgit		1 | 3.7996 $
+mexicopeso		1 | 9.6850 $
+newzealanddollar	1 | 2.4938 $
+norwaykrone		1 | 9.5940 $
+pakistanrupee		1 | 57.75 $
+perunewsol		1 | 3.510 $
+philpinspeso		1 | 50.10 $
+polandzloty		1 | 4.70 $
+russiaruble		1 | 27.9200 $
+sdr			1 | .7841 $
+saudiarabriyal		1 | 3.7508 $
+singaporedollar		1 | 1.7546 $
+slovakrepkoruna		1 | 52.65 $
+southafricarand		1 | 7.6725 $
+southkoreawon		1 | 1137.20 $
+swedenkrona		1 | 10.2621 $
+switzerlndfranc		1 | 1.8195 $
+taiwandollar		1 | 32.09 $
+thailandbaht		1 | 43.58 $
+turkeylira		1 | 687860 $
+uaedirham		1 | 3.6728 $
+uruguaynewpeso		1 | 12.4180 $
+venezuelabolivar	1 | 693.2500 $
+/ MONEY END
+
+€			euro
+£			britainpound
+¥			japanyen
+dollar			$
+
+bef			1 | 40.3399 €
+belgiumfranc	bef
+dem			1 | 1.95583 €
+germanymark	dem
+grd			1 | 340.750 €
+greecedrachma	grd
+esp			1 | 166.386 €
+spainpeseta		esp
+frf			1 | 6.55957 €
+francefranc	frf
+iep			1 | .787564 €
+irelandpunt	iep
+itl			1 | 1936.27 €
+italylira		itl
+luf			1 | 40.3399 €
+luxembourgfranc	luf
+nlg			1 | 2.20371 €
+netherlandsguilder	nlg
+ats			1 | 13.7603 €
+austriaschilling	ats
+pte			1 | 200.482 €
+portugalescudo	pte
+fim			1 | 5.94573 €
+finlandmark	fim
+
+baht			thailandbaht
+bolivar			venezuelabolivar
+brpound			britainpound
+dinar			jordandinar
+dirham			uaedirham
+drachma			greecedrachma
+escudo			portugalescudo
+forint			hungaryforint
+franc			francefranc
+guilder			netherlandsguilder
+krona			swedenkrona
+lira			italylira
+mark			germanymark
+peseta			spainpeseta
+peso			mexicopeso
+punt			irelandpunt
+rand			southafricarand
+real			brazilreal
+yuan			chinayuan
+ringgit			malaysiaringgit
+riyal			saudiarabriyal
+ruble			russiaruble
+rupee			indiarupee
+rupiah			indnsiarupiah
+shekel			israelshekel
+sol			perunewsol
+won			southkoreawon
+yen			japanyen
+zloty			polandzloty
+
+usdollar		dollar
+sterling		britainpound | pound
+poundsterling		britainpound
+
+/bits
+
+baud			bit/sec
+byte			8 bit
+short			2 byte
+long			4 byte
+vlong			8 bytes
+frame			2352 byte
+
+/Australian liquid measure
+
+pony			7 brfloz
+midie			10 brfloz
+pot			midie
+handle			midie
+schooner		15 brfloz
+jug			40 brfloz
+resch			midie
+alf			midie
+tinny			13 brfloz
+stubby			tinny
+twisty			250 ml
+longneck		2 tinny
+slab			24 tinny
+sixpack			6 tinny
+nip			brfloz
+
+/wine
+winebottle		750 ml
+balthazar		16 winebottle
+jeroboam		4 winebottle
+magnum			2 winebottle
+mathusalem		8 winebottle
+methuselah		8 winebottle
+nebuchadnezzar		20 winebottle
+rehoboam		6 winebottle
+salmanazar		12 winebottle
+split			0.25 winebottle
+jigger			1.5 floz
+
+/Trivia
+
+%			1|100
+admiraltyknot		6080 ft/hr
+ε₀			(1e-9/36π) farad/m
+α			(1/4π ε₀) e²/ℏ c
+alpha			α
+apostilb		cd/π m²
+are			1e+2 m²
+arpentcan		27.52 mi
+arpentlin		191.835 ft
+astronomicalunit	au
+atmosphere		1.01325e+5 nt/m²
+atm			atmosphere
+atomicmassunit		1.66044e-27 kg
+amu			atomicmassunit
+bag			94 lb
+bakersdozen		13
+bar			1e+5 nt/m²
+barie			1e-1 nt/m²
+barleycorn		1|3 in
+barn			1e-28 m²
+barrel			42 gal
+barye			1e-1 nt/m²
+bev			1e+9 e volt
+biot			10 amp
+blondel			cd/π m²
+boardfoot		144 in³
+bolt			40 yd
+bottommeasure		1|40 in
+britishthermalunit	1.05506e+3 joule
+btu			britishthermalunit
+quad			1.0e+15 btu
+refrigeration		12000 btu/ton hour
+buck			dollar
+cable			720 ft
+caliber			1e-2 in
+calorie			cal
+carat			205 mg
+cent			centidollar
+cental			100 lb
+centesimalminute	1e-2 grad
+centesimalsecond	1e-4 grad
+century			100 year
+cfs			ft³/sec
+chain			66 ft
+circularinch		1|4 π in²
+circularmil		1e-6|4 π in²
+clusec			1e-8 mm hg m³/s
+coomb			4 bu
+cord			128 ft³
+cordfoot		cord
+crith			9.06e-2 gm
+cubit			18 in
+cup			1|2 pt
+curie			3.7e+10/sec
+cusec			ft³/sec
+dalton			amu
+decade			10 yr
+degK			°K
+degC			°C
+degF			°F
+dipotre			1/m
+displacementton		35 ft³
+doppelzentner		100 kg
+dozen			12
+drop			.03 cm³
+dyne			cm gm/sec²
+electronvolt		e volt
+ell			45 in
+engineerschain		100 ft
+engineerslink		100|100 ft
+equivalentfootcandle	lumen/π ft²
+equivalentlux		lumen/π m²
+equivalentphot		cd/π cm²
+erg			cm²gm/sec²
+ev			e volt
+faraday			9.652e+4 coul
+fathom			6 ft
+fermi			1e-15 m
+fifth			4|5 qt
+fin			5 dollar
+finger			7|8 in
+firkin			9 gal
+footcandle		lumen/ft²
+footlambert		cd/π ft²
+fortnight		14 da
+franklin		3.33564e-10 coul
+frigorie		kilocal
+furlong			220 yd
+galileo			1e-2 m/sec²
+gamma			1e-9 weber/m²
+gauss			1e-4 weber/m²
+geodeticfoot		british ft
+geographicalmile	1852 m
+gilbert			7.95775e-1 amp
+gill			1|4 pt
+gross			144
+gunterschain		22 yd
+hand			4 in
+hectare			1e+4 m²
+hefnercandle		.92 cd
+hertz			1/sec
+hogshead		2 barrel
+hd			hogshead
+homestead		1|4 mi²
+horsepower		550 ft lb g/sec
+hp			horsepower
+hyl			gm force sec²/m
+hz			1/sec
+imaginarycubicfoot	1.4 ft³
+karat			1|24
+kcal			kilocal
+kcalorie		kilocal
+kev			1e+3 e volt
+key			kg
+khz			1e+3/sec
+kilderkin		18 gal
+knot			nmile/hr
+kwh			kilowatt hour
+lambert			cd/π cm²
+langley			cal/cm²
+last			80 bu
+league			3 mi
+lightyear		c yr
+ly			lightyear
+lightsecond		c sec
+line			1|12 in
+link			66|100 ft
+longhundredweight	112 lb
+longquarter		28 lb
+lusec			1e-6 mm hg m³/s
+mach			331.46 m/sec
+marineleague		3 nmile
+maxwell			1e-8 weber
+metriccarat		200 mg
+mev			1e+6 e volt
+mgd			megagal/day
+mh			millihenry
+mhz			1e+6/sec
+mil			1e-3 in
+millenium		1000 year
+minersinch		1.5 ft³/min
+minim			1|60 fldr
+mo			month
+mpg			mile/gal
+mph			mile/hr
+nail			1|16 yd
+nauticalmile		nmile
+nit			cd/m²
+noggin			1|8 qt
+nox			1e-3 lux
+ns			nanosec
+oersted			2.5e+2 amp/m π
+oe			oersted
+pace			36 in
+palm			3 in
+parasang		3.5 mi
+parsec			au radian/arcsec
+pascal			nt/m²
+pc			parsec
+pennyweight		1|20 oz
+percent			%
+perch			rd
+pf			picofarad
+phot			lumen/cm²
+pica			1|6 in
+pieze			1e+3 nt/m²
+pipe			4 barrel
+point			1|72 in
+poise			gm/cm sec
+pole			rd
+poundal			ft lb/sec²
+pdl			poundal
+proof			1/200
+psi			lb g/in²
+quarter			9 in
+quartersection		1|4 mi²
+quintal			100 kg
+quire			25
+rad			100 erg/gm
+ream			500
+registerton		100 ft³
+rhe			10 m²/nt sec
+rontgen			2.58e-4 curie/kg
+rood			1.21e+3 yd
+rope			20 ft
+rutherford		1e+6/sec
+rydberg			1.36054e+1 ev
+sabin			1 ft²
+sack			3 bu
+seam			8 bu
+section			mi²
+shippington		40 ft³
+shorthundredweight	100 lb
+shortquarter		25 lb
+siemens			1/Ω
+σ			5.66956e-5 erg/cm² °K^4 sec
+sigma			σ
+skein			120 yd
+skot			1e-3 apostilb
+slug			lb g sec²/ft
+span			9 in
+spat			4 π sr
+spindle			14400 yd
+square			100 ft²
+squidge			1|972 inch
+catsquidge		1|432 inch
+stere			m³
+sthene			1e+3 nt
+stilb			cd/cm²
+stoke			1e-4 m²/sec
+stone			14 lb
+strike			2 bu
+surveyfoot		british ft
+surveyorschain		66 ft
+surveyorslink		66|100 ft
+tablespoon		4 fldr
+teaspoon		4|3 fldr
+tesla			weber/m²
+therm			1e+5 btu
+thermie			1e+6 cal
+timberfoot		ft³
+tnt			4.6e+6 m²/sec²
+tonne			1e+6 gm
+torr			mm hg
+township		36 mi²
+tun			8 barrel
+water			.22491|2.54 kg/m²sec²
+wey			40 bu
+weymass			252 lb
+Xunit			1.00202e-13 m
+k			1.38047e-16 erg/°K
+foal			9223372036854775807
diff --git a/news/news b/news/news
new file mode 100644
index 00000000..a24dcd2f
--- /dev/null
+++ b/news/news
@@ -0,0 +1 @@
+this is a news item
diff --git a/src/cmd/jpg/mkfile b/src/cmd/jpg/mkfile
index cdefe413..67f25a3e 100644
--- a/src/cmd/jpg/mkfile
+++ b/src/cmd/jpg/mkfile
@@ -50,3 +50,5 @@ nuke:V:	nuke-headers
 
 nuke-headers:V:
 	rm -f rgbv.h ycbcr.h
+
+CLEANFILES=$CLEANFILES o.rgbycc o.rgbrgbv
diff --git a/src/cmd/mkfile b/src/cmd/mkfile
index ab348260..5a5391d8 100644
--- a/src/cmd/mkfile
+++ b/src/cmd/mkfile
@@ -1,11 +1,11 @@
 <$PLAN9/src/mkhdr
 
-TARG=`ls *.[cy] | sed 's/\.c//'`
+TARG=`ls *.[cy] | sed 's/\.[cy]//'`
 SHORTLIB=sec fs mux regexp9 thread bio 9
 
 <$PLAN9/src/mkmany
 
-BUGGERED='CVS|faces|factotum|mailfs|mk|scat|upas|vac|venti|lex'
+BUGGERED='CVS|faces|factotum|mailfs|scat|upas|vac|venti|lex'
 DIRS=`ls -l |sed -n 's/^d.* //p' |egrep -v "^($BUGGERED)$"`
 
 <$PLAN9/src/mkdirs
@@ -27,4 +27,3 @@ $O.tweak: tweak.$O ${XLIB:%=$PLAN9/lib/lib%.a}
 
 CLEANFILES=$CLEANFILES bc.tab.[ch] units.tab.[ch]
 
-
diff --git a/src/libip/udp.c b/src/libip/udp.c
new file mode 100644
index 00000000..8df03ba0
--- /dev/null
+++ b/src/libip/udp.c
@@ -0,0 +1,52 @@
+#include <u.h>
+#define NOPLAN9DEFINES
+#include <libc.h>
+#include <ip.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+/*
+ *  prefix of all v4 addresses
+ *  copied from libip because libc cannot depend on libip
+ */
+static uchar v4prefix[IPaddrlen] = {
+	0, 0, 0, 0,
+	0, 0, 0, 0,
+	0, 0, 0xff, 0xff,
+	0, 0, 0, 0
+};
+
+long
+udpread(int fd, Udphdr *hdr, void *buf, long n)
+{
+	struct sockaddr_in sin;
+	socklen_t len;
+
+	len = sizeof sin;
+	n = recvfrom(fd, buf, n, 0, (struct sockaddr*)&sin, &len);
+	if(n < 0)
+		return -1;
+	if(len != sizeof sin){
+		werrstr("recvfrom acting weird");
+		return -1;
+	}
+	memset(hdr, 0, sizeof *hdr);
+	memmove(hdr->raddr, v4prefix, IPaddrlen);
+	*(u32int*)(hdr->raddr+12) = *(u32int*)&sin.sin_addr;
+	*(u16int*)hdr->rport = *(u16int*)&sin.sin_port;
+	return n;
+}
+
+long
+udpwrite(int fd, Udphdr *hdr, void *buf, long n)
+{
+	struct sockaddr_in sin;
+
+	memset(&sin, 0, sizeof sin);
+	sin.sin_family = AF_INET;
+	*(u32int*)&sin.sin_addr = *(u32int*)(hdr->raddr+12);
+	*(u16int*)&sin.sin_port = *(u16int*)hdr->rport;
+	return sendto(fd, buf, n, 0, (struct sockaddr*)&sin, sizeof sin);
+}
+
diff --git a/src/libregexp/cvt b/src/libregexp/cvt
new file mode 100755
index 00000000..23757bea
--- /dev/null
+++ b/src/libregexp/cvt
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+/usr/bin/sed -E '
+	s/\.(sp|rsp)/.s.\1/g
+	s/\.(ep|rep)/.e.\1/g
+	s/(\.|->)(cp|r|subid|right)([^a-zA-Z0-9_])/\1u1.\2\3/g
+	s/(\.|->)(left|next)([^a-z])/\1u2.\2\3/g
+	/#include <u.h>/d
+	s/<libc.h>/"lib9.h"/g
+	s/"regexp.h"/"regexp9.h"/g
+' $*
diff --git a/src/libsunrpc/COPYING b/src/libsunrpc/COPYING
new file mode 100644
index 00000000..e57f239f
--- /dev/null
+++ b/src/libsunrpc/COPYING
@@ -0,0 +1,29 @@
+
+This software was developed as part of a project at MIT:
+	/sys/src/libsunrpc/*
+	/sys/src/cmd/nfs.c
+	/sys/src/cmd/aux/nfsmount.c
+	/sys/src/cmd/aux/portmap.c
+
+Copyright (c) 2003 Russ Cox,
+                   Massachusetts Institute of Technology
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/src/libthread/386.c b/src/libthread/386.c
index 3fbf0afe..d8052f09 100644
--- a/src/libthread/386.c
+++ b/src/libthread/386.c
@@ -3,7 +3,6 @@
  * To use this you need some patches to Valgrind that
  * let it help out with detecting stack overflow. 
  */
-#define USEVALGRIND 0
 #ifdef USEVALGRIND
 #include <valgrind/memcheck.h>
 #endif
diff --git a/src/libthread/channel.c b/src/libthread/channel.c
index ce27896b..68eaa95e 100644
--- a/src/libthread/channel.c
+++ b/src/libthread/channel.c
@@ -497,7 +497,7 @@ altexec(Alt *a, int spl)
 		_threaddebug(DBGCHAN, "unlocking the chanlock");
 		unlock(&chanlock);
 		_procsplx(spl);
-		_threaddebug(DBGCHAN, "chanlock is %lud", *(ulong*)&chanlock);
+		_threaddebug(DBGCHAN, "chanlock is %lud", *(ulong*)(void*)&chanlock);
 		while(_threadrendezvous((ulong)b->tag, 0) == ~0)
 			;
 		return 1;
diff --git a/src/libthread/mkfile b/src/libthread/mkfile
index a76682b2..1ced9021 100644
--- a/src/libthread/mkfile
+++ b/src/libthread/mkfile
@@ -56,3 +56,9 @@ CLEANFILES=$CLEANFILES tprimes texec
 asm-Linux-386.$O: asm-FreeBSD-386.s
 asm-NetBSD-386.$O: asm-FreeBSD-386.s
 asm-OpenBSD-386.$O: asm-FreeBSD-386.s
+
+# sorry
+VG=`test -d /home/rsc/pub/valgrind-debian && echo -DUSEVALGRIND`
+
+CFLAGS=$CFLAGS $VG
+
diff --git a/src/libventi/cache.acid b/src/libventi/cache.acid
new file mode 100644
index 00000000..45b28466
--- /dev/null
+++ b/src/libventi/cache.acid
@@ -0,0 +1,644 @@
+sizeof_1_ = 8;
+aggr _1_
+{
+	'U' 0 lo;
+	'U' 4 hi;
+};
+
+defn
+_1_(addr) {
+	complex _1_ addr;
+	print("	lo	", addr.lo, "\n");
+	print("	hi	", addr.hi, "\n");
+};
+
+sizeofFPdbleword = 8;
+aggr FPdbleword
+{
+	'F' 0 x;
+	{
+	'U' 0 lo;
+	'U' 4 hi;
+	};
+};
+
+defn
+FPdbleword(addr) {
+	complex FPdbleword addr;
+	print("	x	", addr.x, "\n");
+	print("_1_ {\n");
+		_1_(addr+0);
+	print("}\n");
+};
+
+UTFmax = 3;
+Runesync = 128;
+Runeself = 128;
+Runeerror = 128;
+sizeofFmt = 48;
+aggr Fmt
+{
+	'b' 0 runes;
+	'X' 4 start;
+	'X' 8 to;
+	'X' 12 stop;
+	'X' 16 flush;
+	'X' 20 farg;
+	'D' 24 nfmt;
+	'X' 28 args;
+	'D' 32 r;
+	'D' 36 width;
+	'D' 40 prec;
+	'U' 44 flags;
+};
+
+defn
+Fmt(addr) {
+	complex Fmt addr;
+	print("	runes	", addr.runes, "\n");
+	print("	start	", addr.start\X, "\n");
+	print("	to	", addr.to\X, "\n");
+	print("	stop	", addr.stop\X, "\n");
+	print("	flush	", addr.flush\X, "\n");
+	print("	farg	", addr.farg\X, "\n");
+	print("	nfmt	", addr.nfmt, "\n");
+	print("	args	", addr.args\X, "\n");
+	print("	r	", addr.r, "\n");
+	print("	width	", addr.width, "\n");
+	print("	prec	", addr.prec, "\n");
+	print("	flags	", addr.flags, "\n");
+};
+
+FmtWidth = 1;
+FmtLeft = 2;
+FmtPrec = 4;
+FmtSharp = 8;
+FmtSpace = 16;
+FmtSign = 32;
+FmtZero = 64;
+FmtUnsigned = 128;
+FmtShort = 256;
+FmtLong = 512;
+FmtVLong = 1024;
+FmtComma = 2048;
+FmtByte = 4096;
+FmtFlag = 8192;
+sizeofTm = 40;
+aggr Tm
+{
+	'D' 0 sec;
+	'D' 4 min;
+	'D' 8 hour;
+	'D' 12 mday;
+	'D' 16 mon;
+	'D' 20 year;
+	'D' 24 wday;
+	'D' 28 yday;
+	'a' 32 zone;
+	'D' 36 tzoff;
+};
+
+defn
+Tm(addr) {
+	complex Tm addr;
+	print("	sec	", addr.sec, "\n");
+	print("	min	", addr.min, "\n");
+	print("	hour	", addr.hour, "\n");
+	print("	mday	", addr.mday, "\n");
+	print("	mon	", addr.mon, "\n");
+	print("	year	", addr.year, "\n");
+	print("	wday	", addr.wday, "\n");
+	print("	yday	", addr.yday, "\n");
+	print("	zone	", addr.zone, "\n");
+	print("	tzoff	", addr.tzoff, "\n");
+};
+
+PNPROC = 1;
+PNGROUP = 2;
+sizeofLock = 4;
+aggr Lock
+{
+	'D' 0 val;
+};
+
+defn
+Lock(addr) {
+	complex Lock addr;
+	print("	val	", addr.val, "\n");
+};
+
+sizeofQLp = 12;
+aggr QLp
+{
+	'D' 0 inuse;
+	'A' QLp 4 next;
+	'C' 8 state;
+};
+
+defn
+QLp(addr) {
+	complex QLp addr;
+	print("	inuse	", addr.inuse, "\n");
+	print("	next	", addr.next\X, "\n");
+	print("	state	", addr.state, "\n");
+};
+
+sizeofQLock = 16;
+aggr QLock
+{
+	Lock 0 lock;
+	'D' 4 locked;
+	'A' QLp 8 $head;
+	'A' QLp 12 $tail;
+};
+
+defn
+QLock(addr) {
+	complex QLock addr;
+	print("Lock lock {\n");
+	Lock(addr.lock);
+	print("}\n");
+	print("	locked	", addr.locked, "\n");
+	print("	$head	", addr.$head\X, "\n");
+	print("	$tail	", addr.$tail\X, "\n");
+};
+
+sizeofRWLock = 20;
+aggr RWLock
+{
+	Lock 0 lock;
+	'D' 4 readers;
+	'D' 8 writer;
+	'A' QLp 12 $head;
+	'A' QLp 16 $tail;
+};
+
+defn
+RWLock(addr) {
+	complex RWLock addr;
+	print("Lock lock {\n");
+	Lock(addr.lock);
+	print("}\n");
+	print("	readers	", addr.readers, "\n");
+	print("	writer	", addr.writer, "\n");
+	print("	$head	", addr.$head\X, "\n");
+	print("	$tail	", addr.$tail\X, "\n");
+};
+
+sizeofRendez = 12;
+aggr Rendez
+{
+	'A' QLock 0 l;
+	'A' QLp 4 $head;
+	'A' QLp 8 $tail;
+};
+
+defn
+Rendez(addr) {
+	complex Rendez addr;
+	print("	l	", addr.l\X, "\n");
+	print("	$head	", addr.$head\X, "\n");
+	print("	$tail	", addr.$tail\X, "\n");
+};
+
+sizeofNetConnInfo = 28;
+aggr NetConnInfo
+{
+	'X' 0 dir;
+	'X' 4 root;
+	'X' 8 spec;
+	'X' 12 lsys;
+	'X' 16 lserv;
+	'X' 20 rsys;
+	'X' 24 rserv;
+};
+
+defn
+NetConnInfo(addr) {
+	complex NetConnInfo addr;
+	print("	dir	", addr.dir\X, "\n");
+	print("	root	", addr.root\X, "\n");
+	print("	spec	", addr.spec\X, "\n");
+	print("	lsys	", addr.lsys\X, "\n");
+	print("	lserv	", addr.lserv\X, "\n");
+	print("	rsys	", addr.rsys\X, "\n");
+	print("	rserv	", addr.rserv\X, "\n");
+};
+
+RFNAMEG = 1;
+RFENVG = 2;
+RFFDG = 4;
+RFNOTEG = 8;
+RFPROC = 16;
+RFMEM = 32;
+RFNOWAIT = 64;
+RFCNAMEG = 1024;
+RFCENVG = 2048;
+RFCFDG = 4096;
+RFREND = 8192;
+RFNOMNT = 16384;
+sizeofQid = 16;
+aggr Qid
+{
+	'W' 0 path;
+	'U' 8 vers;
+	'b' 12 type;
+};
+
+defn
+Qid(addr) {
+	complex Qid addr;
+	print("	path	", addr.path, "\n");
+	print("	vers	", addr.vers, "\n");
+	print("	type	", addr.type, "\n");
+};
+
+sizeofDir = 60;
+aggr Dir
+{
+	'u' 0 type;
+	'U' 4 dev;
+	Qid 8 qid;
+	'U' 24 mode;
+	'U' 28 atime;
+	'U' 32 mtime;
+	'V' 36 length;
+	'X' 44 name;
+	'X' 48 uid;
+	'X' 52 gid;
+	'X' 56 muid;
+};
+
+defn
+Dir(addr) {
+	complex Dir addr;
+	print("	type	", addr.type, "\n");
+	print("	dev	", addr.dev, "\n");
+	print("Qid qid {\n");
+	Qid(addr.qid);
+	print("}\n");
+	print("	mode	", addr.mode, "\n");
+	print("	atime	", addr.atime, "\n");
+	print("	mtime	", addr.mtime, "\n");
+	print("	length	", addr.length, "\n");
+	print("	name	", addr.name\X, "\n");
+	print("	uid	", addr.uid\X, "\n");
+	print("	gid	", addr.gid\X, "\n");
+	print("	muid	", addr.muid\X, "\n");
+};
+
+sizeofWaitmsg = 20;
+aggr Waitmsg
+{
+	'D' 0 pid;
+	'a' 4 time;
+	'X' 16 msg;
+};
+
+defn
+Waitmsg(addr) {
+	complex Waitmsg addr;
+	print("	pid	", addr.pid, "\n");
+	print("	time	", addr.time, "\n");
+	print("	msg	", addr.msg\X, "\n");
+};
+
+sizeofIOchunk = 8;
+aggr IOchunk
+{
+	'X' 0 addr;
+	'U' 4 len;
+};
+
+defn
+IOchunk(addr) {
+	complex IOchunk addr;
+	print("	addr	", addr.addr\X, "\n");
+	print("	len	", addr.len, "\n");
+};
+
+MaxFragSize = 9216;
+VtScoreSize = 20;
+VtMaxStringSize = 1024;
+VtMaxFileSize = 281474976710655;
+VtMaxLumpSize = 57344;
+VtPointerDepth = 7;
+VtDataType = 0;
+VtDirType = 8;
+VtRootType = 16;
+VtMaxType = 17;
+VtTypeDepthMask = 7;
+VtEntryActive = 1;
+VtEntryDir = 2;
+VtEntryDepthShift = 2;
+VtEntryDepthMask = 28;
+VtEntryLocal = 32;
+VtEntrySize = 40;
+sizeofVtEntry = 40;
+aggr VtEntry
+{
+	'U' 0 gen;
+	'u' 4 psize;
+	'u' 6 dsize;
+	'b' 8 type;
+	'b' 9 flags;
+	'W' 12 size;
+	'a' 20 score;
+};
+
+defn
+VtEntry(addr) {
+	complex VtEntry addr;
+	print("	gen	", addr.gen, "\n");
+	print("	psize	", addr.psize, "\n");
+	print("	dsize	", addr.dsize, "\n");
+	print("	type	", addr.type, "\n");
+	print("	flags	", addr.flags, "\n");
+	print("	size	", addr.size, "\n");
+	print("	score	", addr.score, "\n");
+};
+
+sizeofVtRoot = 300;
+aggr VtRoot
+{
+	'a' 0 name;
+	'a' 128 type;
+	'a' 256 score;
+	'u' 276 blocksize;
+	'a' 278 prev;
+};
+
+defn
+VtRoot(addr) {
+	complex VtRoot addr;
+	print("	name	", addr.name, "\n");
+	print("	type	", addr.type, "\n");
+	print("	score	", addr.score, "\n");
+	print("	blocksize	", addr.blocksize, "\n");
+	print("	prev	", addr.prev, "\n");
+};
+
+VtRootSize = 300;
+VtRootVersion = 2;
+VtCryptoStrengthNone = 0;
+VtCryptoStrengthAuth = 1;
+VtCryptoStrengthWeak = 2;
+VtCryptoStrengthStrong = 3;
+VtCryptoNone = 0;
+VtCryptoSSL3 = 1;
+VtCryptoTLS1 = 2;
+VtCryptoMax = 3;
+VtCodecNone = 0;
+VtCodecDeflate = 1;
+VtCodecThwack = 2;
+VtCodecMax = 3;
+VtRerror = 1;
+VtTping = 2;
+VtRping = 3;
+VtThello = 4;
+VtRhello = 5;
+VtTgoodbye = 6;
+VtRgoodbye = 7;
+VtTauth0 = 8;
+VtRauth0 = 9;
+VtTauth1 = 10;
+VtRauth1 = 11;
+VtTread = 12;
+VtRread = 13;
+VtTwrite = 14;
+VtRwrite = 15;
+VtTsync = 16;
+VtRsync = 17;
+VtTmax = 18;
+sizeofVtFcall = 80;
+aggr VtFcall
+{
+	'b' 0 type;
+	'b' 1 tag;
+	'X' 4 error;
+	'X' 8 version;
+	'X' 12 uid;
+	'b' 16 strength;
+	'X' 20 crypto;
+	'U' 24 ncrypto;
+	'X' 28 codec;
+	'U' 32 ncodec;
+	'X' 36 sid;
+	'b' 40 rcrypto;
+	'b' 41 rcodec;
+	'X' 44 auth;
+	'U' 48 nauth;
+	'a' 52 score;
+	'b' 72 dtype;
+	'u' 74 count;
+	'X' 76 data;
+};
+
+defn
+VtFcall(addr) {
+	complex VtFcall addr;
+	print("	type	", addr.type, "\n");
+	print("	tag	", addr.tag, "\n");
+	print("	error	", addr.error\X, "\n");
+	print("	version	", addr.version\X, "\n");
+	print("	uid	", addr.uid\X, "\n");
+	print("	strength	", addr.strength, "\n");
+	print("	crypto	", addr.crypto\X, "\n");
+	print("	ncrypto	", addr.ncrypto, "\n");
+	print("	codec	", addr.codec\X, "\n");
+	print("	ncodec	", addr.ncodec, "\n");
+	print("	sid	", addr.sid\X, "\n");
+	print("	rcrypto	", addr.rcrypto, "\n");
+	print("	rcodec	", addr.rcodec, "\n");
+	print("	auth	", addr.auth\X, "\n");
+	print("	nauth	", addr.nauth, "\n");
+	print("	score	", addr.score, "\n");
+	print("	dtype	", addr.dtype, "\n");
+	print("	count	", addr.count, "\n");
+	print("	data	", addr.data\X, "\n");
+};
+
+VtStateAlloc = 0;
+VtStateConnected = 1;
+VtStateClosed = 2;
+sizeofVtConn = 1148;
+aggr VtConn
+{
+	QLock 0 lk;
+	QLock 16 inlk;
+	QLock 32 outlk;
+	'D' 48 debug;
+	'D' 52 infd;
+	'D' 56 outfd;
+	'D' 60 muxer;
+	'X' 64 writeq;
+	'X' 68 readq;
+	'D' 72 state;
+	'a' 76 wait;
+	'U' 1100 ntag;
+	'U' 1104 nsleep;
+	'X' 1108 part;
+	Rendez 1112 tagrend;
+	Rendez 1124 rpcfork;
+	'X' 1136 version;
+	'X' 1140 uid;
+	'X' 1144 sid;
+};
+
+defn
+VtConn(addr) {
+	complex VtConn addr;
+	print("QLock lk {\n");
+	QLock(addr.lk);
+	print("}\n");
+	print("QLock inlk {\n");
+	QLock(addr.inlk);
+	print("}\n");
+	print("QLock outlk {\n");
+	QLock(addr.outlk);
+	print("}\n");
+	print("	debug	", addr.debug, "\n");
+	print("	infd	", addr.infd, "\n");
+	print("	outfd	", addr.outfd, "\n");
+	print("	muxer	", addr.muxer, "\n");
+	print("	writeq	", addr.writeq\X, "\n");
+	print("	readq	", addr.readq\X, "\n");
+	print("	state	", addr.state, "\n");
+	print("	wait	", addr.wait, "\n");
+	print("	ntag	", addr.ntag, "\n");
+	print("	nsleep	", addr.nsleep, "\n");
+	print("	part	", addr.part\X, "\n");
+	print("Rendez tagrend {\n");
+	Rendez(addr.tagrend);
+	print("}\n");
+	print("Rendez rpcfork {\n");
+	Rendez(addr.rpcfork);
+	print("}\n");
+	print("	version	", addr.version\X, "\n");
+	print("	uid	", addr.uid\X, "\n");
+	print("	sid	", addr.sid\X, "\n");
+};
+
+NilBlock = -1;
+sizeofVtBlock = 88;
+aggr VtBlock
+{
+	'X' 0 c;
+	QLock 4 lk;
+	'X' 20 data;
+	'a' 24 score;
+	'b' 44 type;
+	'D' 48 nlock;
+	'D' 52 iostate;
+	'D' 56 ref;
+	'U' 60 heap;
+	'A' VtBlock 64 next;
+	'A' VtBlock 68 prev;
+	'U' 72 used;
+	'U' 76 used2;
+	'U' 80 addr;
+	'D' 84 decrypted;
+};
+
+defn
+VtBlock(addr) {
+	complex VtBlock addr;
+	print("	c	", addr.c\X, "\n");
+	print("QLock lk {\n");
+	QLock(addr.lk);
+	print("}\n");
+	print("	data	", addr.data\X, "\n");
+	print("	score	", addr.score, "\n");
+	print("	type	", addr.type, "\n");
+	print("	nlock	", addr.nlock, "\n");
+	print("	iostate	", addr.iostate, "\n");
+	print("	ref	", addr.ref, "\n");
+	print("	heap	", addr.heap, "\n");
+	print("	next	", addr.next\X, "\n");
+	print("	prev	", addr.prev\X, "\n");
+	print("	used	", addr.used, "\n");
+	print("	used2	", addr.used2, "\n");
+	print("	addr	", addr.addr, "\n");
+	print("	decrypted	", addr.decrypted, "\n");
+};
+
+VtOREAD = 0;
+VtOWRITE = 1;
+VtORDWR = 2;
+VtOCREATE = 256;
+BioLocal = 1;
+BioVenti = 2;
+BioReading = 3;
+BioWriting = 4;
+BioEmpty = 5;
+BioVentiError = 6;
+BadHeap = -1;
+sizeofVtCache = 60;
+aggr VtCache
+{
+	QLock 0 lk;
+	'A' VtConn 16 z;
+	'U' 20 blocksize;
+	'U' 24 now;
+	'A' VtBlock 28 hash;
+	'D' 32 nhash;
+	'A' VtBlock 36 heap;
+	'D' 40 nheap;
+	'A' VtBlock 44 block;
+	'D' 48 nblock;
+	'X' 52 mem;
+	'D' 56 mode;
+};
+
+defn
+VtCache(addr) {
+	complex VtCache addr;
+	print("QLock lk {\n");
+	QLock(addr.lk);
+	print("}\n");
+	print("	z	", addr.z\X, "\n");
+	print("	blocksize	", addr.blocksize, "\n");
+	print("	now	", addr.now, "\n");
+	print("	hash	", addr.hash\X, "\n");
+	print("	nhash	", addr.nhash, "\n");
+	print("	heap	", addr.heap\X, "\n");
+	print("	nheap	", addr.nheap, "\n");
+	print("	block	", addr.block\X, "\n");
+	print("	nblock	", addr.nblock, "\n");
+	print("	mem	", addr.mem\X, "\n");
+	print("	mode	", addr.mode, "\n");
+};
+
+complex VtConn vtcachealloc:z;
+complex VtCache vtcachealloc:c;
+complex VtBlock vtcachealloc:b;
+complex VtCache vtcachefree:c;
+complex VtCache vtcachedump:c;
+complex VtBlock vtcachedump:b;
+complex VtCache cachecheck:c;
+complex VtBlock cachecheck:b;
+complex VtBlock upheap:b;
+complex VtBlock upheap:bb;
+complex VtCache upheap:c;
+complex VtBlock downheap:b;
+complex VtBlock downheap:bb;
+complex VtCache downheap:c;
+complex VtBlock heapdel:b;
+complex VtCache heapdel:c;
+complex VtBlock heapins:b;
+complex VtCache vtcachebumpblock:c;
+complex VtBlock vtcachebumpblock:b;
+complex VtCache vtcachelocal:c;
+complex VtBlock vtcachelocal:b;
+complex VtCache vtcacheallocblock:c;
+complex VtBlock vtcacheallocblock:b;
+complex VtCache vtcacheglobal:c;
+complex VtBlock vtcacheglobal:b;
+complex VtBlock vtblockduplock:b;
+complex VtBlock vtblockput:b;
+complex VtCache vtblockput:c;
+complex VtBlock vtblockwrite:b;
+complex VtCache vtblockwrite:c;
+complex VtCache vtcacheblocksize:c;
+complex VtBlock vtblockcopy:b;
+complex VtBlock vtblockcopy:bb;