1572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams/*
2572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Copyright (C) 2008-2012 The Android Open Source Project
3572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams *
4572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Licensed under the Apache License, Version 2.0 (the "License");
5572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * you may not use this file except in compliance with the License.
6572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * You may obtain a copy of the License at
7572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams *
8572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams *      http://www.apache.org/licenses/LICENSE-2.0
9572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams *
10572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * Unless required by applicable law or agreed to in writing, software
11572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * distributed under the License is distributed on an "AS IS" BASIS,
12572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * See the License for the specific language governing permissions and
14572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams * limitations under the License.
15572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams */
16572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
17572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samspackage com.android.rs.test;
18572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
19572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport android.content.Context;
20572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport android.content.res.Resources;
21572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport android.renderscript.*;
22572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport android.util.Log;
23572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport java.util.ArrayList;
24572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport java.util.ListIterator;
25572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport java.util.Timer;
26572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samsimport java.util.TimerTask;
2764af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hinesimport android.app.ListActivity;
2864af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hinesimport android.widget.ArrayAdapter;
29572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
30572a5031a5d8602db0bec0b253428a034bd4dd59Jason Samspublic class RSTestCore {
3164af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    ListActivity mCtx;
32572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
3364af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    public RSTestCore(ListActivity ctx) {
34572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mCtx = ctx;
35572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    }
36572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
37572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private Resources mRes;
3864af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    private RenderScript mRS;
39572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
40572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private ArrayList<UnitTest> unitTests;
41572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private ListIterator<UnitTest> test_iter;
42572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private UnitTest activeTest;
43572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private boolean stopTesting;
44572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
4564af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    private ScriptField_ListAllocs_s mListAllocs;
4664af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines
4764af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    private ArrayAdapter<UnitTest> testAdapter;
4864af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines
49572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    /* Periodic timer for ensuring future tests get scheduled */
50572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    private Timer mTimer;
51572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    public static final int RS_TIMER_PERIOD = 100;
52572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
5364af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines    public void init(RenderScript rs, Resources res) {
54572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mRS = rs;
55572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mRes = res;
56572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        stopTesting = false;
57572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
58572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests = new ArrayList<UnitTest>();
59572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
60572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_primitives(this, mRes, mCtx));
61572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_constant(this, mRes, mCtx));
62572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_vector(this, mRes, mCtx));
63572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_unsigned(this, mRes, mCtx));
64572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_array_init(this, mRes, mCtx));
65572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_array_alloc(this, mRes, mCtx));
66572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_kernel(this, mRes, mCtx));
67572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_kernel_struct(this, mRes, mCtx));
68dced5c96bc53c45a1aac782ea9bd738b0d50fd09David Gross        unitTests.add(new UT_kernel2d(this, mRes, mCtx));
696cad69d1319000314b23f32f03c38f57b8564906David Gross        unitTests.add(new UT_kernel3d(this, mRes, mCtx));
70dced5c96bc53c45a1aac782ea9bd738b0d50fd09David Gross        unitTests.add(new UT_kernel2d_oldstyle(this, mRes, mCtx));
716a3c8f33e4a334ad6a14e5b0a4d469286a6d3282David Gross        unitTests.add(new UT_ctxt_default(this, mRes, mCtx));
72572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_bug_char(this, mRes, mCtx));
73572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_clamp(this, mRes, mCtx));
74572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_clamp_relaxed(this, mRes, mCtx));
75572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_convert(this, mRes, mCtx));
76572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_convert_relaxed(this, mRes, mCtx));
77572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_copy_test(this, mRes, mCtx));
78572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_rsdebug(this, mRes, mCtx));
79572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_rstime(this, mRes, mCtx));
80572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_rstypes(this, mRes, mCtx));
81572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_alloc(this, mRes, mCtx));
82da9f173879716082b590606389ae42c7ed15c947Stephen Hines        unitTests.add(new UT_check_dims(this, mRes, mCtx));
83d84ad3f1a23f69c09ca98505522c05880c937bbfStephen Hines        unitTests.add(new UT_static_globals(this, mRes, mCtx));
84572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_refcount(this, mRes, mCtx));
85572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_foreach(this, mRes, mCtx));
86572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_foreach_bounds(this, mRes, mCtx));
87572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_noroot(this, mRes, mCtx));
88075aa0595525d8e426807686a425c2ec10556fa7Pirama Arumuga Nainar        unitTests.add(new UT_single_source_alloc(this, mRes, mCtx));
8912398d81f32e5e0479d02b8608a83c75cd991bb3Yang Ni        unitTests.add(new UT_single_source_script(this, mRes, mCtx));
90432b47768af4eaa8eca4d94fe7e5a973a1ef1a73Yang Ni        unitTests.add(new UT_single_source_ref_count(this, mRes, mCtx));
917fa7a5b18fe3f693ab1ca43de70937440759bdbdYang Ni        unitTests.add(new UT_script_group2_pointwise(this, mRes, mCtx));
927fa7a5b18fe3f693ab1ca43de70937440759bdbdYang Ni        unitTests.add(new UT_script_group2_gatherscatter(this, mRes, mCtx));
931c20667f7a174a7c0a1599d34a40c524fe24c615Yang Ni        unitTests.add(new UT_script_group2_nochain(this, mRes, mCtx));
94fef0cd45027f235126d4fb62bda5ea9037450d9cYang Ni        unitTests.add(new UT_script_group2_float(this, mRes, mCtx));
95572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_atomic(this, mRes, mCtx));
96572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_struct(this, mRes, mCtx));
97572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_math(this, mRes, mCtx));
98572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_math_conformance(this, mRes, mCtx));
99572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_math_agree(this, mRes, mCtx));
100c0c70a7c82c07aeb1cc22ab6f343941d515fa2bbPirama Arumuga Nainar        unitTests.add(new UT_fp16(this, mRes, mCtx));
1016b753367c985ee762ae6563c7948b1ddcf9d06f9Pirama Arumuga Nainar        unitTests.add(new UT_math_fp16(this, mRes, mCtx));
102a73e73342149b45269446c39ced73e44518930d7Pirama Arumuga Nainar        unitTests.add(new UT_fp16_globals(this, mRes, mCtx));
103572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_min(this, mRes, mCtx));
104572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_int4(this, mRes, mCtx));
105572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_element(this, mRes, mCtx));
106572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_sampler(this, mRes, mCtx));
10764af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines        /*unitTests.add(new UT_program_store(this, mRes, mCtx));
108572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_program_raster(this, mRes, mCtx));
10964af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines        unitTests.add(new UT_mesh(this, mRes, mCtx));*/
1104b3c34e6833e39bc89c2128002806b654b8e623dChris Wailes        unitTests.add(new UT_foreach_multi(this, mRes, mCtx));
111572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UT_fp_mad(this, mRes, mCtx));
1126c1876bbef1b2c89975dce91230a168bd2d2ce4cDavid Gross        unitTests.add(new UT_reduce(this, mRes, mCtx));
11373a422b2f32f947ce1b1366a6c78ddec58a4c1eaDavid Gross        unitTests.add(new UT_reduce_backward(this, mRes, mCtx));
1148a526e5d609e34a07aa0bc6312845ebdbd60c43ePirama Arumuga Nainar        unitTests.add(new UT_small_struct(this, mRes, mCtx));
115572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
116572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        /*
117572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UnitTest(null, "<Pass>", 1));
118572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UnitTest());
119572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        unitTests.add(new UnitTest(null, "<Fail>", -1));
120572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
121572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        for (int i = 0; i < 20; i++) {
122572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            unitTests.add(new UnitTest(null, "<Pass>", 1));
123572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
124572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        */
125572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
126572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        UnitTest [] uta = new UnitTest[unitTests.size()];
127572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        uta = unitTests.toArray(uta);
128572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
129572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mListAllocs = new ScriptField_ListAllocs_s(mRS, uta.length);
130572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        for (int i = 0; i < uta.length; i++) {
131572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            ScriptField_ListAllocs_s.Item listElem = new ScriptField_ListAllocs_s.Item();
132572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            listElem.text = Allocation.createFromString(mRS, uta[i].name, Allocation.USAGE_SCRIPT);
133572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            listElem.result = uta[i].getResult();
134572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            mListAllocs.set(listElem, i, false);
135572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            uta[i].setItem(listElem);
136572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
137572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
138572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mListAllocs.copyAll();
139572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
14064af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines        testAdapter = new ArrayAdapter<UnitTest>(mCtx, android.R.layout.simple_list_item_1, unitTests);
14164af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines        mCtx.setListAdapter(testAdapter);
142572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
143572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        test_iter = unitTests.listIterator();
144572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        refreshTestResults(); /* Kick off the first test */
145572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
146572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        TimerTask pTask = new TimerTask() {
147572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            public void run() {
148572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                refreshTestResults();
149572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
150572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        };
151572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
152572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mTimer = new Timer();
153572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        mTimer.schedule(pTask, RS_TIMER_PERIOD, RS_TIMER_PERIOD);
154572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    }
155572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
156572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    public void checkAndRunNextTest() {
15764af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines        mCtx.runOnUiThread(new Runnable() {
15864af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines                public void run() {
15964af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines                    if (testAdapter != null)
16064af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines                        testAdapter.notifyDataSetChanged();
16164af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines                }
16264af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines            });
16364af0822b0b7c71cea3a39c9aad10d1cdbf851efStephen Hines
164572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        if (activeTest != null) {
165572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            if (!activeTest.isAlive()) {
166572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                /* Properly clean up on our last test */
167572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                try {
168572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                    activeTest.join();
169572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                }
170572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                catch (InterruptedException e) {
171572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                }
172572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                activeTest = null;
173572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
174572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
175572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
176572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        if (!stopTesting && activeTest == null) {
177572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            if (test_iter.hasNext()) {
178572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                activeTest = test_iter.next();
179572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                activeTest.start();
180572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                /* This routine will only get called once when a new test
181572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                 * should start running. The message handler in UnitTest.java
182572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                 * ensures this. */
183572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
184572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            else {
185572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                if (mTimer != null) {
186572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                    mTimer.cancel();
187572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                    mTimer.purge();
188572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                    mTimer = null;
189572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                }
190572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
191572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
192572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    }
193572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
194572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    public void refreshTestResults() {
195572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        checkAndRunNextTest();
196572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    }
197572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
198572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    public void cleanup() {
199572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        stopTesting = true;
200572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        UnitTest t = activeTest;
201572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
202572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        /* Stop periodic refresh of testing */
203572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        if (mTimer != null) {
204572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            mTimer.cancel();
205572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            mTimer.purge();
206572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            mTimer = null;
207572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
208572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
209572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        /* Wait to exit until we finish the current test */
210572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        if (t != null) {
211572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            try {
212572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams                t.join();
213572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
214572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            catch (InterruptedException e) {
215572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            }
216572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams            t = null;
217572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams        }
218572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
219572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams    }
220572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams
221572a5031a5d8602db0bec0b253428a034bd4dd59Jason Sams}
222