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"
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
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
for { set i 0 } {$i < $procs} {incr i} {
fileremove -f $testdir/$i.mutexout
}
}