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111 lines
3.7 KiB
Tcl
111 lines
3.7 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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#
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# TEST mut001
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# TEST Exercise the mutex API.
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# TEST
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# TEST Allocate, lock, unlock, and free a bunch of mutexes.
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# TEST Set basic configuration options and check mutex_stat and
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# TEST the mutex getters for the correct values.
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proc mut001 { } {
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source ./include.tcl
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env_cleanup $testdir
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puts "Mut001: Basic mutex interface testing."
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# Open an env.
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set env [berkdb_env -create -home $testdir -private -mutex_set_incr 100]
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# Allocate, lock, unlock, and free a bunch of mutexes.
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set nmutexes 100
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puts "\tMut001.a: Allocate a bunch of mutexes."
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for { set i 0 } { $i < $nmutexes } { incr i } {
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set mutexid($i) [$env mutex]
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}
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puts "\tMut001.b: Lock the mutexes."
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for { set i 0 } { $i < $nmutexes } { incr i } {
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error_check_good mutex_lock [$env mutex_lock $mutexid($i)] 0
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}
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puts "\tMut001.c: Unlock the mutexes."
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for { set i 0 } { $i < $nmutexes } { incr i } {
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error_check_good mutex_unlock [$env mutex_unlock $mutexid($i)] 0
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}
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puts "\tMut001.d: Free the mutexes."
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for { set i 0 } { $i < $nmutexes } { incr i } {
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error_check_good mutex_free [$env mutex_free $mutexid($i)] 0
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}
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# Clean up the env. We'll need new envs to test the configuration
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# options, because they cannot be set after the env is open.
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error_check_good env_close [$env close] 0
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env_cleanup $testdir
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puts "\tMut001.e: Set the mutex alignment."
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set mutex_align 8
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set env [berkdb_env -create -home $testdir -mutex_set_align $mutex_align]
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set stat_align [stat_field $env mutex_stat "Mutex align"]
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set get_align [$env mutex_get_align]
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error_check_good stat_align $stat_align $mutex_align
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error_check_good get_align $get_align $mutex_align
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# Find the number of mutexes allocated by default. We'll need
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# this later, when we try the "mutex_set_increment" option.
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set default_count [stat_field $env mutex_stat "Mutex count"]
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error_check_good env_close [$env close] 0
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env_cleanup $testdir
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puts "\tMut001.f: Set the maximum number of mutexes."
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set mutex_count 2000
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set env [berkdb_env -create -home $testdir -mutex_set_max $mutex_count]
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set stat_count [stat_field $env mutex_stat "Mutex max"]
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set get_count [$env mutex_get_max]
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error_check_good stat_count $stat_count $mutex_count
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error_check_good get_count $get_count $mutex_count
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error_check_good env_close [$env close] 0
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env_cleanup $testdir
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puts "\tMut001.g: Raise the maximum number of mutexes."
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set mutex_incr 500
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set mutex_count [expr $default_count + $mutex_incr]
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set env [berkdb_env -create -home $testdir \
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-mutex_set_max $default_count -mutex_set_incr $mutex_incr]
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set stat_count [stat_field $env mutex_stat "Mutex max"]
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error_check_good stat_increment $stat_count $mutex_count
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set get_count [$env mutex_get_max]
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error_check_good get_increment $get_count $mutex_count
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error_check_good env_close [$env close] 0
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env_cleanup $testdir
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puts "\tMut001.h: Set and reset the number of TAS mutex spins."
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set mutex_tas_spins 50
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set env [berkdb_env -create -home $testdir -mutex_set_tas_spins $mutex_tas_spins]
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set stat_spins [stat_field $env mutex_stat "Mutex TAS spins"]
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error_check_good stat_spins $stat_spins $mutex_tas_spins
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set get_spins [$env mutex_get_tas_spins]
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error_check_good get_spins $get_spins $mutex_tas_spins
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# TAS spins can be reset any time.
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set mutex_tas_spins 1
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error_check_good reset_spins [$env mutex_set_tas_spins $mutex_tas_spins] 0
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set stat_spins [stat_field $env mutex_stat "Mutex TAS spins"]
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error_check_good stat_spins_reset $stat_spins $mutex_tas_spins
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set get_spins [$env mutex_get_tas_spins]
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error_check_good get_spins_reset $get_spins $mutex_tas_spins
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error_check_good env_close [$env close] 0
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env_cleanup $testdir
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}
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