diff options
Diffstat (limited to 'contrib/top/Configure')
| -rwxr-xr-x | contrib/top/Configure | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/contrib/top/Configure b/contrib/top/Configure new file mode 100755 index 0000000..b02806c --- /dev/null +++ b/contrib/top/Configure @@ -0,0 +1,503 @@ +#!/bin/csh -f +# +# Configuration script for top. +# +# Use with version 3.0 and higher. +# +set PRIME = "/usr/games/primes" +set vars = (module LoadMax topn NominalTopn delay owner group mode random \ + TableSize bindir mandir manext mansty \ + Cmdshell Cmdcc Cmdawk Cmdinstall cdefs) +set fastrack = 0 +set yesno = (no yes) + +onintr byebye + +# make sure that getans is there and ready +if (! -e getans) then + echo 'This package is not complete. The shell file "getans" is missing.' + exit 10 +endif +chmod +x getans + +if ($#argv > 0) then +# fast track configuration + set fastrack = 1 +else +cat <<'EOF' +Configuration for top, version 3.4 + +One moment.... +'EOF' +endif + +# collect file names and module names +ls machine/m_*.c >$$.f +ls machine/m_*.man >$$.m +sed -e 's@^machine/m_@@' -e 's/.c$//' $$.f >$$.n + +# build Make.desc +set descs = `sed -e 's@\.c$@.desc@' $$.f` +sed -e "s@%descs%@$descs@" Make.desc.X >Make.desc + +# build desc files and SYNOPSIS as needed +make -f Make.desc >/dev/null + +if (-e .defaults) then + echo "" + echo "Reading configuration from last time..." + source .defaults + set nodefaults = 0 + if ($fastrack == 1) then + set module = $1 + endif +else + if ($fastrack == 1) then + echo "No previous configuration was found." + set fastrack = 0 + set module = $1 + else + set module = "" + endif + set LoadMax = 5.0 + set topn = 15 + set NominalTopn = 18 + set delay = 5 + set TableSize = 0 + set bindir = /usr/local/bin + set mandir = /usr/man/manl + set manext = l + set mansty = man + set nodefaults = 1 + set Cmdshell = /bin/sh + set Cmdawk = awk + set Cmdinstall = ./install + set Cmdcc = cc + set cdefs = -O +endif +echo "" + +if ($fastrack == 1) then + grep -s $module $$.n >/dev/null + if ($status != 0) then + echo "$module is not recognized. To see a list of available modules" + echo 'run "Configure" with no arguments.' + rm -f $$.[fmn] + exit 1 + endif + set random1 = `expr $random + 1` + cat <<EOF +Using these settings: + Bourne Shell $Cmdshell + C compiler $Cmdcc + Compiler options $cdefs + Awk command $Cmdawk + Install command $Cmdinstall + + Module $module + LoadMax $LoadMax + Default TOPN $topn + Nominal TOPN $NominalTopn + Default Delay $delay +Random passwd access $yesno[$random1] + Table Size $TableSize + Owner $owner + Group Owner $group + Mode $mode + bin directory $bindir + man directory $mandir + man extension $manext + man style $mansty + +EOF + goto fast +endif + +cat <<'EOF' +You will be asked a series of questions. Each question will have a +default answer enclosed in brackets, such as "[5.0]". In most cases, +the default answer will work well. To use that value, merely press +return. + +'EOF' + +# display synopses + +getmod: +cat <<'EOF' + +The following machine-dependent modules are available: +'EOF' +awk -F: ' { printf "%-8s %s\n", $1, $2 }' SYNOPSIS +echo '' +./getans "What module is appropriate for this machine? " string "$module" .$$ +set module = `cat .$$` + +if ("$module" == "") then + echo "Please specify a valid module name." + goto getmod +endif + +# is it a valid one? +grep -s "$module" $$.n >/dev/null +if ($status != 0) then + echo "That is not a recognized module name." + goto getmod +endif + +# display a full description +sed -e '1,/DESCRIPTION:/d' -e '/^$/,$d' machine/m_${module}.desc + +# verify it +echo "" +./getans "Is this what you want to use?" yesno 1 .$$ +if (`cat .$$` == 0) then + goto getmod +endif +endif + +cat <<'EOF' + +First we need to find out a little bit about the executables needed to +compile top. + +'EOF' +./getans "What is the full path name for the Bourne shell" file "$Cmdshell" .$$ +set Cmdshell = `cat .$$` + +cat <<'EOF' + +Please supply the name of the appropriate command. It need not be a +full path name, but the named command does need to exist somewhere on +the current path. + +'EOF' +./getans "AWK Interpreter" path "$Cmdawk" .$$ +set Cmdawk = `cat .$$` +./getans "C Compiler" path "$Cmdcc" .$$ +set Cmdcc = `cat .$$` + +cat <<'EOF' + +The installer command needs to understand Berkeley-esque arguments: +"-o" for owner, "-g" for group, and "-m" for mode. A shell script +called "install" is distributed with top and is suitable for use by +top. You can specify a different program here if you like, or use +the shell script (the default). + +'EOF' +./getans "Installer" path "$Cmdinstall" .$$ +set Cmdinstall = `cat .$$` + +cat <<EOF + +What other options should be used with the $Cmdcc command (use "none" to +specify no options)? +EOF +./getans "Compiler options" string "$cdefs" .$$ +set cdefs = `cat .$$` +if ("$cdefs" == "none") then + set cdefs = "" +endif + +cat <<'EOF' + +Now you need to answer some questions concerning the configuration of +top itself. + +The space command forces an immediate update. Sometimes, on loaded +systems, this update will take a significant period of time (because all +the output is buffered). So, if the short-term load average is above +"LoadMax", then top will put the cursor home immediately after the space +is pressed before the next update is attempted. This serves as a visual +acknowledgement of the command. "LoadMax" should always be specified as a +floating point number. + +'EOF' +./getans "LoadMax" number "$LoadMax" .$$ +set LoadMax = `cat .$$` + +cat <<'EOF' + +"Default TOPN" is the default number of processes to show. This is the +number that will be used when the user does not specify the number of +processes to show. If you want "all" (or infinity) as the default, use +the value "-1". + +'EOF' + +./getans "Default TOPN" neginteger "$topn" .$$ +set topn = `cat .$$` + +cat <<'EOF' + +"Nominal_TOPN" is used as the default TOPN when Default_TOPN is Infinity +and the output is a dumb terminal. If we didn't do this, then +installations who use a default TOPN of Infinity will get every process in +the system when running top on a dumb terminal (or redirected to a file). +Note that Nominal_TOPN is a default: it can still be overridden on the +command line, even with the value "infinity". + +'EOF' + +./getans "Nominal TOPN" integer "$NominalTopn" .$$ +set NominalTopn = `cat .$$` + +cat <<'EOF' + +Default Delay is the default number of seconds to wait between screen +updates. + +'EOF' + +./getans "Default Delay" integer "$delay" .$$ +set delay = `cat .$$` + +echo "" + +set rand = 0 +ypwhich >&/dev/null +if ($status == 0 || -e /etc/passwd.dir || -e /etc/pwd.db) then + set rand = 1 +endif + +if ($rand == 1) then + echo "It looks like you have a passwd file that can be accessed at random." + set pr = 'Do you want top to take advantage of this' +else + echo "It looks like you have conventional passwd file access. Top can take" + echo "advantage of a random access passwd mechanism if such exists. Do" + echo "you want top to assume that accesses to the file /etc/passwd are done" + set pr = 'with random access rather than sequential' +endif + +if ($nodefaults == 1) then + set random = $rand +endif + +./getans "${pr}?" yesno $random .$$ +set random = `cat .$$` + +echo "" +echo "Compiling prime.c" +$Cmdcc $cdefs -o prime prime.c -lm +if ($status != 0) then + echo "Oh well." + rm -f prime +endif + +echo "" + +ypcat passwd.byname >&/tmp/$$.a +if ($status == 0) then + set cnt = `wc -l </tmp/$$.a` + set mapfile = "NIS map" +else + set cnt = `wc -l </etc/passwd` + set mapfile = "file" +endif +rm /tmp/$$.a +set double = `expr $cnt \* 2` +echo "I found $cnt entries in your passwd $mapfile. Top hashes the username to" +echo "uid mappings as it goes along and it needs a good guess on the size of" +echo "that hash table. This number should be the next highest prime number" +echo "after $double." +echo "" +if (-e prime) then + set pr = `./prime $double` + echo "I have calculated that to be $pr." +else if (-e $PRIME) then + set pr = `$PRIME $double | head -1` + echo "I have calculated that to be $pr." +else + set pr = $double + echo "I cannot calculate that prime number, so you will need to provide it for me." +endif + +if ($TableSize == 0) then + set TableSize = $pr +endif + +./getans "Enter the hash table size" integer "$TableSize" .$$ +set TableSize = `cat .$$` + +echo "" + +# !!! I need to fix this: /dev/kmem might not exist on some machines !!! + +# determine the right way to invoke ls to get full output +set ls = "ls -l" +if (`$ls getans | wc -w` < 9) then + set ls = "ls -lg" +endif + +set t_owner = root +set t_group = `$ls -d /usr/bin | awk ' { print $4 }'` +if (-e /proc) then + cat <<EOF +Uh oh! I see /proc out there. Some new Unix variants provide the /proc +file system as a mechanism to get to a process's address space. This +directory is typically only accessible by root. However, there are a few +systems (such as DG/UX) on which this directory exists, but isn't used. +I'm going to assume that top needs to run setuid to root, but you should +double check and use mode 2755 (set group id) if top doesn't really need +root access. If you are running SunOS 5.x then you will need to install +top setuid root (owner root and mode 4711). + +EOF + set t_mode = 4711 + set mode = 4711 +else if (-e /dev/kmem) then + $ls /dev/kmem >/tmp/$$.b + grep '^....r..r..' /tmp/$$.b >&/dev/null + if ($status == 1) then + grep '^....r..-..' /tmp/$$.b >&/dev/null + if ($status == 0) then + set t_group = `awk ' { print $4 }' /tmp/$$.b` + set t_mode = 2755 + echo "It looks like only group $t_group can read the memory devices." + else + set t_mode = 4755 + echo "It looks like only root can read the memory devices." + endif + else + set t_mode = 755 + echo "It looks like anybody can read the memory devices." + endif +else + echo "It looks like there are no memory device special files." + set t_mode = 755 +endif +if ($nodefaults) then + set owner = $t_owner + set group = $t_group + set mode = $t_mode +endif +echo "Tell me how to set the following when top is installed:" +./getans "Owner" user "$owner" .$$ +set owner = `cat .$$` +./getans "Group owner" group "$group" .$$ +set group = `cat .$$` +./getans "Mode" integer "$mode" .$$ +set mode = `cat .$$` +rm -f /tmp/$$.b + +echo "" +./getans "Install the executable in this directory" file "$bindir" .$$ +set bindir = `cat .$$` + +echo "" +./getans "Install the manual page in this directory" file "$mandir" .$$ +set mandir = `cat .$$` + +echo "" +./getans "Install the manual page with this extension" string "$manext" .$$ +set manext = `cat .$$` + +echo "" +./getans "Install the manual page as 'man' or 'catman'" string "$mansty" .$$ +set mansty = `cat .$$` + +echo "" +echo "We are done with the questions." + +# Some Unix environments are so poor that their csh doesn't even support +# the "eval" builtin. Check for this before relying on its use to save +# the current configuration. +/bin/csh -c "eval echo foo" >&/dev/null +if ($status == 1) then + echo "Can't save configuration (nonfatal)" +else + echo "Saving configuration..." +# save settings to use as defaults the next time + rm -f .defaults + foreach v ($vars) + set tmp = `eval echo \$$v` + echo set $v = "'$tmp'" >>.defaults + end +endif + +fast: + +# set variables which contain module lists +set modules = `cat $$.f` +set manmodules = `cat $$.m` + +# clean up +rm -f $$.f $$.m $$.n + +# set the link for machine.c +rm -f machine.c machine.o +ln -s machine/m_${module}.c machine.c + +# get definitions out of the module file +set libs = `grep LIBS: machine/m_${module}.desc | sed -e 's/^.[^:]*: *//'` +set cflgs = `grep CFLAGS: machine/m_${module}.desc | sed -e 's/^.[^:]*: *//'` +set tcap = `grep TERMCAP: machine/m_${module}.desc | sed -e 's/^.[^:]*: *//'` + +# default for tcap (termcap) +if ("$tcap" == "") then + set tcap="-ltermcap" +endif + +if ( { grep -s SIGKILL /usr/include/signal.h } ) then + set signal="/usr/include/signal.h" +else + set signal="/usr/include/sys/signal.h" +endif + + +echo "Building Makefile..." +sed -e "s|%topn%|$topn|" \ + -e "s|%delay%|$delay|" \ + -e "s|%owner%|$owner|" \ + -e "s|%group%|$group|" \ + -e "s|%mode%|$mode|" \ + -e "s|%bindir%|$bindir|" \ + -e "s|%mandir%|$mandir|" \ + -e "s|%manext%|$manext|" \ + -e "s|%mansty%|$mansty|" \ + -e "s|%tablesize%|$TableSize|" \ + -e "s|%libs%|$libs|" \ + -e "s|%cflgs%|$cflgs|" \ + -e "s|%termcap%|$tcap|" \ + -e "s|%cdefs%|$cdefs|" \ + -e "s|%modules%|$modules|" \ + -e "s|%manmodules%|$manmodules|" \ + -e "s|%signal%|$signal|" \ + -e "s|%cc%|$Cmdcc|" \ + -e "s|%awk%|$Cmdawk|" \ + -e "s|%install%|$Cmdinstall|" \ + -e "s|%shell%|$Cmdshell|" \ + Makefile.X >Makefile + +echo "Building top.local.h..." +sed -e "s|%LoadMax%|$LoadMax|" \ + -e "s|%TableSize%|$TableSize|" \ + -e "s|%NominalTopn%|$NominalTopn|" \ + -e "s|%topn%|$topn|" \ + -e "s|%delay%|$delay|" \ + -e "s|%random%|$random|" \ + top.local.H >top.local.h + +echo "Building top.1..." +sed -e "s|%topn%|$topn|" \ + -e "s|%delay%|$delay|" \ + top.X >top.1 +if (-e machine/m_${module}.man ) then + cat machine/m_${module}.man >>top.1 +endif + +# clean up +rm -f .$$ + +echo 'Doing a "make clean".' +make clean + +echo 'To create the executable, type "make".' +echo 'To install the executable, type "make install".' +exit 0 + +byebye: +rm -f .$$ $$.[fmn] /tmp/$$.[ab] +exit 1 |
