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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2002
# Sleepycat Software. All rights reserved.
#
# $Id: mutex003.tcl,v 11.24 2002/09/05 17:23:06 sandstro Exp $
#
# TEST mutex003
# TEST Generate a bunch of parallel testers that try to randomly obtain locks.
proc mutex003 { } {
source ./include.tcl
set nmutex 20
set iter 500
set procs 5
set mdegree 3
set wait 2
puts "Mutex003: Multi-process random mutex test"
env_cleanup $testdir
puts "\tMutex003.a: Create environment"
# Now open the region we'll use for multiprocess testing.
set env [berkdb_env -create -mode 0644 -lock -home $testdir]
error_check_good env_open [is_valid_env $env] TRUE
set mutex [$env mutex 0644 $nmutex]
error_check_good mutex_init [is_valid_mutex $mutex $env] TRUE
error_check_good mutex_close [$mutex close] 0
# Now spawn off processes
puts "\tMutex003.b: Create $procs processes"
set pidlist {}
for { set i 0 } {$i < $procs} {incr i} {
puts "$tclsh_path\
$test_path/mutexscript.tcl $testdir\
$iter $nmutex $wait $mdegree > $testdir/$i.mutexout &"
set p [exec $tclsh_path $test_path/wrap.tcl \
mutexscript.tcl $testdir/$i.mutexout $testdir\
$iter $nmutex $wait $mdegree &]
lappend pidlist $p
}
puts "\tMutex003.c: $procs independent processes now running"
watch_procs $pidlist
error_check_good env_close [$env close] 0
# Remove output files
for { set i 0 } {$i < $procs} {incr i} {
fileremove -f $testdir/$i.mutexout
}
}
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