Revision: 41466
http://brlcad.svn.sourceforge.net/brlcad/?rev=41466&view=rev
Author: brlcad
Date: 2010-11-25 05:48:16 +0000 (Thu, 25 Nov 2010)
Log Message:
-----------
document the timer complexity a little bit explaining why things are as
complicated as they are. pushing the limits of shell scripting.
Modified Paths:
--------------
brlcad/trunk/sh/conversion.sh
Modified: brlcad/trunk/sh/conversion.sh
===================================================================
--- brlcad/trunk/sh/conversion.sh 2010-11-25 05:37:48 UTC (rev 41465)
+++ brlcad/trunk/sh/conversion.sh 2010-11-25 05:48:16 UTC (rev 41466)
@@ -377,7 +377,12 @@
continue
fi
- # start the limit timer
+ # start the limit timer. this will kill the upcoming facetize
+ # job if more than MAXTIME seconds have elapsed. in order for
+ # this to work while still ECHO'ing a message and without
+ # leaving orphaned 'sleep' processes that accumualte, this
+ # method had to be executed in the current shell environment.
+
{ 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 $2}'` 2>&4 & } 4>&2 2>/dev/null
spid=$!
@@ -387,6 +392,12 @@
$VERBOSE_ECHO "\$ $cmd"
output=`eval time $cmd 2>&1 | grep -v Using`
+ # stop the limit timer. when we get here, see if there is a
+ # sleep process still running. if any found, the sleep
+ # proceses are killed and waited for so that we successfully
+ # avoid the parent shell reporting a "Terminated" process kill
+ # message.
+
for pid in `ps xj | grep $spid | grep sleep | grep -v grep | awk
'{print $2}'` ; do
# must kill sleep children first or they can continue running
orphaned
kill $pid >/dev/null 2>&1
@@ -406,7 +417,7 @@
nmg_count=`expr $nmg_count + 1`
fi
- # start the limit timer
+ # start the limit timer, same as above.
{ 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 $2}'` 2>&4 & } 4>&2 2>/dev/null
spid=$!
@@ -416,6 +427,7 @@
$VERBOSE_ECHO "\$ $cmd"
output=`eval time $cmd 2>&1 | grep -v Using`
+ # stop the limit timer, same as above.
for pid in `ps xj | grep $spid | grep sleep | grep -v grep | awk
'{print $2}'` ; do
# must kill sleep children first or they can continue running
orphaned
kill $pid >/dev/null 2>&1
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