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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2004
# Sleepycat Software. All rights reserved.
#
# $Id: dead005.tcl,v 11.15 2004/03/17 15:17:17 bostic Exp $
#
# Deadlock Test 5.
# Test out the minlocks, maxlocks, and minwrites options
# to the deadlock detector.
proc dead005 { { procs "4 6 10" } \
{tests "maxlocks maxwrites minlocks minwrites" } { tnum "005" } } {
source ./include.tcl
foreach t $tests {
puts "Dead$tnum.$t: deadlock detection tests"
env_cleanup $testdir
# Create the environment.
set env [berkdb_env -create -mode 0644 -lock -home $testdir]
error_check_good lock_env:open [is_valid_env $env] TRUE
case $t {
maxlocks { set to m }
maxwrites { set to W }
minlocks { set to n }
minwrites { set to w }
}
foreach n $procs {
set dpid [exec $util_path/db_deadlock -vw -h $testdir \
-a $to >& $testdir/dd.out &]
sentinel_init
set pidlist ""
# Fire off the tests
puts "\tDead$tnum: $t test with $n procs"
for { set i 0 } { $i < $n } { incr i } {
set locker [$env lock_id]
puts "$tclsh_path $test_path/wrap.tcl \
$testdir/dead$tnum.log.$i \
ddscript.tcl $testdir $t $locker $i $n"
set p [exec $tclsh_path \
$test_path/wrap.tcl \
ddscript.tcl $testdir/dead$tnum.log.$i \
$testdir $t $locker $i $n &]
lappend pidlist $p
}
watch_procs $pidlist 5
# Now check output
set dead 0
set clean 0
set other 0
for { set i 0 } { $i < $n } { incr i } {
set did [open $testdir/dead$tnum.log.$i]
while { [gets $did val] != -1 } {
switch $val {
DEADLOCK { incr dead }
1 { incr clean }
default { incr other }
}
}
close $did
}
tclkill $dpid
puts "\tDead$tnum: dead check..."
dead_check $t $n 0 $dead $clean $other
# Now verify that the correct participant
# got deadlocked.
switch $t {
maxlocks {set f [expr $n - 1]}
maxwrites {set f 2}
minlocks {set f 0}
minwrites {set f 1}
}
set did [open $testdir/dead$tnum.log.$f]
error_check_bad file:$t [gets $did val] -1
error_check_good read($f):$t $val DEADLOCK
close $did
}
error_check_good lock_env:close [$env close] 0
# Windows needs files closed before deleting them, so pause
tclsleep 2
fileremove -f $testdir/dd.out
# Remove log files
for { set i 0 } { $i < $n } { incr i } {
fileremove -f $testdir/dead001.log.$i
}
}
}
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