VirtualBox

source: vbox/trunk/src/VBox/Runtime/testcase/tstSemPingPong.cpp@ 42699

Last change on this file since 42699 was 38636, checked in by vboxsync, 13 years ago

*,IPRT: Redid the ring-3 init to always convert the arguments to UTF-8.

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File size: 5.4 KB
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1/* $Id: tstSemPingPong.cpp 38636 2011-09-05 13:49:45Z vboxsync $ */
2/** @file
3 * IPRT Testcase - RTSemPing/RTSemPong.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27/*******************************************************************************
28* Header Files *
29*******************************************************************************/
30#include <iprt/semaphore.h>
31#include <iprt/string.h>
32#include <iprt/stream.h>
33#include <iprt/initterm.h>
34#include <iprt/thread.h>
35#include <iprt/asm.h>
36
37/*******************************************************************************
38* Defined Constants And Macros *
39*******************************************************************************/
40#define TSTSEMPINGPONG_ITERATIONS 1000000
41
42
43/*******************************************************************************
44* Global Variables *
45*******************************************************************************/
46static volatile uint32_t g_cErrors = 0;
47
48static DECLCALLBACK(int) tstSemPingPongThread(RTTHREAD hThread, void *pvPP)
49{
50 int rc;
51 PRTPINGPONG pPP = (PRTPINGPONG)pvPP;
52 for (uint32_t i = 0; i < TSTSEMPINGPONG_ITERATIONS; i++)
53 {
54 if (!RTSemPongShouldWait(pPP))
55 {
56 ASMAtomicIncU32(&g_cErrors);
57 RTPrintf("tstSemPingPong: ERROR - RTSemPongShouldWait returned false before RTSemPongWait.\n");
58 }
59
60 rc = RTSemPongWait(pPP, RT_INDEFINITE_WAIT);
61 if (RT_FAILURE(rc))
62 {
63 ASMAtomicIncU32(&g_cErrors);
64 RTPrintf("tstSemPingPong: ERROR - RTSemPongWait -> %Rrc\n", rc);
65 break;
66 }
67
68 if (!RTSemPongIsSpeaker(pPP))
69 {
70 ASMAtomicIncU32(&g_cErrors);
71 RTPrintf("tstSemPingPong: ERROR - RTSemPongIsSpeaker returned false before RTSemPong.\n");
72 }
73
74 rc = RTSemPong(pPP);
75 if (RT_FAILURE(rc))
76 {
77 ASMAtomicIncU32(&g_cErrors);
78 RTPrintf("tstSemPingPong: ERROR - RTSemPong -> %Rrc\n", rc);
79 break;
80 }
81 }
82 return rc;
83}
84
85
86int main()
87{
88 RTR3InitExeNoArguments(0);
89
90 /*
91 * Create a ping pong and kick off a second thread which we'll
92 * exchange TSTSEMPINGPONG_ITERATIONS messages with.
93 */
94 RTPINGPONG PingPong;
95 int rc = RTSemPingPongInit(&PingPong);
96 if (RT_FAILURE(rc))
97 {
98 RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
99 return 1;
100 }
101
102 RTTHREAD hThread;
103 rc = RTThreadCreate(&hThread, tstSemPingPongThread, &PingPong, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "PONG");
104 if (RT_FAILURE(rc))
105 {
106 RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
107 return 1;
108 }
109
110 RTPrintf("tstSemPingPong: TESTING - %u iterations...\n", TSTSEMPINGPONG_ITERATIONS);
111 for (uint32_t i = 0; i < TSTSEMPINGPONG_ITERATIONS; i++)
112 {
113 if (!RTSemPingIsSpeaker(&PingPong))
114 {
115 ASMAtomicIncU32(&g_cErrors);
116 RTPrintf("tstSemPingPong: ERROR - RTSemPingIsSpeaker returned false before RTSemPing.\n");
117 }
118
119 rc = RTSemPing(&PingPong);
120 if (RT_FAILURE(rc))
121 {
122 ASMAtomicIncU32(&g_cErrors);
123 RTPrintf("tstSemPingPong: ERROR - RTSemPing -> %Rrc\n", rc);
124 break;
125 }
126
127 if (!RTSemPingShouldWait(&PingPong))
128 {
129 ASMAtomicIncU32(&g_cErrors);
130 RTPrintf("tstSemPingPong: ERROR - RTSemPingShouldWait returned false before RTSemPingWait.\n");
131 }
132
133 rc = RTSemPingWait(&PingPong, RT_INDEFINITE_WAIT);
134 if (RT_FAILURE(rc))
135 {
136 ASMAtomicIncU32(&g_cErrors);
137 RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
138 break;
139 }
140 }
141
142 int rcThread;
143 rc = RTThreadWait(hThread, 5000, &rcThread);
144 if (RT_FAILURE(rc))
145 {
146 ASMAtomicIncU32(&g_cErrors);
147 RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
148 }
149
150 rc = RTSemPingPongDelete(&PingPong);
151 if (RT_FAILURE(rc))
152 {
153 ASMAtomicIncU32(&g_cErrors);
154 RTPrintf("tstSemPingPong: ERROR - RTSemPingPongDestroy -> %Rrc\n", rc);
155 }
156
157 /*
158 * Summary.
159 */
160 uint32_t cErrors = ASMAtomicUoReadU32(&g_cErrors);
161 if (cErrors)
162 RTPrintf("tstSemPingPong: FAILED - %d errors\n", cErrors);
163 else
164 RTPrintf("tstSemPingPong: SUCCESS\n");
165 return cErrors ? 1 : 0;
166}
167
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