Revision: 41431
http://brlcad.svn.sourceforge.net/brlcad/?rev=41431&view=rev
Author: brlcad
Date: 2010-11-23 04:05:35 +0000 (Tue, 23 Nov 2010)
Log Message:
-----------
damn I'm good. implement some scary mad shell scripting here in order to kill
long-running conversions while still timing them and capturing their output.
to make this happen, we can no longer just use a here document fed to the
'while read' loop because the kill signals sent to the children processes jack
it up good. instead, temp override stdin with our object list so the loop
continues unabated. add in some timer cleanup for the instances when we finish
the conversion long within the time limit and we have a done deal.
Modified Paths:
--------------
brlcad/trunk/sh/conversion.sh
Modified: brlcad/trunk/sh/conversion.sh
===================================================================
--- brlcad/trunk/sh/conversion.sh 2010-11-23 02:35:43 UTC (rev 41430)
+++ brlcad/trunk/sh/conversion.sh 2010-11-23 04:05:35 UTC (rev 41431)
@@ -348,7 +348,16 @@
cmd="$GED -c \"$work\" search ."
objects=`eval $cmd 2>&1 | grep -v Using`
$VERBOSE_ECHO "\$ $cmd"
+ $VERBOSE_ECHO "$objects"
+ # stash stdin on fd3 and set stdin to our object list. this is
+ # necessary because if a kill timer is called, input being read on
+ # the while loop will be terminated early.
+ exec 3<&0
+ exec 0<<EOF
+$objects
+EOF
+
while read object ; do
obj="`basename \"$object\"`"
@@ -358,11 +367,17 @@
continue
fi
+ # start the limit timer
+ sleep $MAXTIME && test "x`ps auxwww | grep "$work" | grep facetize |
grep "${obj}.nmg" | awk '{print $2}'`" != "x" && $ECHO "\tNMG conversion time
limit exceeded: $file:$object" && kill -9 `ps auxwww | grep "$work" | grep
facetize | grep "${obj}.nmg" | awk '{print $2}'` >/dev/null 2>&1 &
+ spid=$!
+
# convert NMG
nmg=FAIL
cmd="$GED -c "$work" facetize -n \"${obj}.nmg\" \"${obj}\""
$VERBOSE_ECHO "\$ $cmd"
output=`eval time $cmd 2>&1 | grep -v Using`
+ test "x`ps auxwww | grep $spid | grep -v grep`" != "x" && kill $spid
+ wait $spid >/dev/null 2>&1
$VERBOSE_ECHO "$output"
real_nmg="`echo \"$output\" | tail -n 4 | grep real | awk '{print $2}'`"
@@ -373,11 +388,17 @@
nmg_count=`expr $nmg_count + 1`
fi
+ # start the limit timer
+ sleep $MAXTIME && test "x`ps auxwww | grep "$work" | grep facetize |
grep "${obj}.bot" | awk '{print $2}'`" != "x" && $ECHO "\tBoT conversion time
limit exceeded: $file:$object" && kill -9 `ps auxwww | grep "$work" | grep
facetize | grep "${obj}.bot" | awk '{print $2}'` >/dev/null 2>&1 &
+ spid=$!
+
# convert BoT
bot=FAIL
cmd="$GED -c "$work" facetize \"${obj}.bot\" \"${obj}\""
$VERBOSE_ECHO "\$ $cmd"
output=`eval time $cmd 2>&1 | grep -v Using`
+ test "x`ps auxwww | grep $spid | grep -v grep`" != "x" && kill $spid
+ wait $spid >/dev/null 2>&1
$VERBOSE_ECHO "$output"
real_bot="`echo \"$output\" | tail -n 4 | grep real | awk '{print $2}'`"
@@ -395,10 +416,11 @@
$ECHO "%s\tnmg: %s %s\tbot %s %s\t%s:%s" $status $nmg $real_nmg $bot
$real_bot "$file" "$object"
count=`expr $count + 1`
- done <<EOF
-$objects
-EOF
+ done
+ # restore stdin
+ exec 0<&3
+
rm -f "$work"
shift
done
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