1 /*
2 Copyright (C) 2008-2008 Google Inc
3 opensource@google.com
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307, USA.
19
20 The GNU General Public License is contained in the file COPYING.
21 */
22
23 /* Author: Konstantin Serebryany <opensource@google.com>
24
25 This file contains a set of unit tests for a data race detection tool.
26
27 These tests can be compiled with pthreads (default) or
28 with any other library that supports threads, locks, cond vars, etc.
29
30 */
31
32 #include "old_test_suite.h"
33 #include "test_utils.h"
34
35 #include <gtest/gtest.h>
36
37
38 namespace OptIgnoreTests { // {{{1 Test how the tool works with indirect calls to fun_r functions
39 int GLOB = 0;
40
NotIgnoredRacey()41 void NOINLINE NotIgnoredRacey() {
42 GLOB++;
43 }
44
IntermediateJumpHereFunction()45 void NOINLINE IntermediateJumpHereFunction() {
46 NotIgnoredRacey();
47 usleep(1); // Prevent tail call optimization.
48 }
49
DoTailCall()50 void NOINLINE DoTailCall() {
51 IntermediateJumpHereFunction(); // This tail call should be optimized.
52 }
53
54 // Test that a function that is called using jump is ignored.
TEST(IgnoreTests,DISABLED_TailCall)55 TEST(IgnoreTests, DISABLED_TailCall) {
56 MyThreadArray mta(DoTailCall, DoTailCall);
57 mta.Start();
58 mta.Join();
59 usleep(1);
60 }
61
62 }
63