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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996, 1997, 1998
# Sleepycat Software. All rights reserved.
#
# @(#)randomlock.tcl 10.3 (Sleepycat) 4/10/98
#
# Exercise multi-process aspects of lock. Generate a bunch of parallel
# testers that try to randomly obtain locks.
proc lock005 { dir {iter 500} {max 1000} {procs 5} {ldegree 5} {objs 75} \
{reads 65} {wait 1} {conflicts { 0 0 0 0 0 1 0 1 1}} {seeds {}} } {
source ./include.tcl
puts "Lock005: Multi-process random lock test"
# Clean up after previous runs
lock_cleanup $dir
# Open/create the lock region
set lp [lock_open "" $DB_CREATE 0644 -maxlocks $max]
error_check_bad lock_open $lp NULL
error_check_good lock_open [is_substr $lp lockmgr] 1
# Now spawn off processes
set pidlist {}
for { set i 0 } {$i < $procs} {incr i} {
set s -1
if { [llength $seeds] == $procs } {
set s [lindex $seeds $i]
}
puts "exec ./dbtest ../test/lockscript.tcl $dir $iter \
$objs $wait $ldegree $reads $s > $dir/$i.lockout &"
set p [exec ./dbtest ../test/lockscript.tcl $dir $iter \
$objs $wait $ldegree $reads $s > $dir/$i.lockout & ]
lappend pidlist $p
}
puts "Lock005: $procs independent processes now running"
watch_procs $pidlist
# Remove log files
for { set i 0 } {$i < $procs} {incr i} {
exec $RM -f $dir/$i.lockout
}
}
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