89 lines
2.4 KiB
Tcl
89 lines
2.4 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 1996,2008 Oracle. All rights reserved.
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#
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# $Id: dead005.tcl,v 12.7 2008/01/08 20:58:53 bostic Exp $
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#
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# Deadlock Test 5.
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# Test out the minlocks, maxlocks, and minwrites options
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# to the deadlock detector.
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proc dead005 { { procs "4 6 10" } \
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{tests "maxlocks maxwrites minlocks minwrites" } { tnum "005" } } {
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source ./include.tcl
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foreach t $tests {
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puts "Dead$tnum.$t: deadlock detection tests"
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env_cleanup $testdir
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# Create the environment.
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set env [berkdb_env -create -mode 0644 -lock -home $testdir]
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error_check_good lock_env:open [is_valid_env $env] TRUE
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case $t {
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maxlocks { set to m }
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maxwrites { set to W }
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minlocks { set to n }
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minwrites { set to w }
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}
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foreach n $procs {
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set dpid [exec $util_path/db_deadlock -v -t 0.100000 \
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-h $testdir -a $to >& $testdir/dd.out &]
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sentinel_init
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set pidlist ""
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# Fire off the tests
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puts "\tDead$tnum: $t test with $n procs"
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for { set i 0 } { $i < $n } { incr i } {
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set locker [$env lock_id]
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puts "$tclsh_path $test_path/wrap.tcl \
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$testdir/dead$tnum.log.$i \
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ddscript.tcl $testdir $t $locker $i $n"
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set p [exec $tclsh_path \
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$test_path/wrap.tcl \
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ddscript.tcl $testdir/dead$tnum.log.$i \
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$testdir $t $locker $i $n &]
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lappend pidlist $p
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}
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watch_procs $pidlist 5
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# Now check output
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set dead 0
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set clean 0
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set other 0
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for { set i 0 } { $i < $n } { incr i } {
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set did [open $testdir/dead$tnum.log.$i]
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while { [gets $did val] != -1 } {
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switch $val {
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DEADLOCK { incr dead }
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1 { incr clean }
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default { incr other }
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}
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}
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close $did
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}
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tclkill $dpid
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puts "\tDead$tnum: dead check..."
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dead_check $t $n 0 $dead $clean $other
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# Now verify that the correct participant
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# got deadlocked.
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switch $t {
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maxlocks {set f [expr $n - 1]}
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maxwrites {set f 2}
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minlocks {set f 0}
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minwrites {set f 1}
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}
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set did [open $testdir/dead$tnum.log.$f]
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error_check_bad file:$t [gets $did val] -1
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error_check_good read($f):$t $val DEADLOCK
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close $did
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}
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error_check_good lock_env:close [$env close] 0
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# Windows needs files closed before deleting them, so pause
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tclsleep 2
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fileremove -f $testdir/dd.out
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# Remove log files
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for { set i 0 } { $i < $n } { incr i } {
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fileremove -f $testdir/dead001.log.$i
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}
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}
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}
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