tstRTR0SemMutexDriver.cpp@ 28514

Last change on this file since 28514 was 28514, checked in by vboxsync, 15 years ago
tstRTR0SemMutex: Added a missing check in the threaded part.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 11.3 KB

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1	/* $Id: tstRTR0SemMutexDriver.cpp 28514 2010-04-20 11:30:01Z vboxsync $ */
2	/** @file
3	* IPRT R0 Testcase - Thread Preemption, driver program.
4	*/
5
6	/*
7	* Copyright (C) 2009-2010 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. 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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
27	* Clara, CA 95054 USA or visit http://www.sun.com if you need
28	* additional information or have any questions.
29	*/
30
31	/*******************************************************************************
32	* Header Files *
33	*******************************************************************************/
34	#include <iprt/initterm.h>
35
36	#include <iprt/err.h>
37	#include <iprt/path.h>
38	#include <iprt/param.h>
39	#include <iprt/stream.h>
40	#include <iprt/string.h>
41	#include <iprt/test.h>
42	#include <iprt/thread.h>
43	#ifdef VBOX
44	# include <VBox/sup.h>
45	# include "tstRTR0SemMutex.h"
46	#endif
47
48	/*******************************************************************************
49	* Structures and Typedefs *
50	*******************************************************************************/
51	typedef struct TSTRTR0SEMMUTEXREQ
52	{
53	SUPR0SERVICEREQHDR Hdr;
54	char szMsg[256];
55	} TSTRTR0SEMMUTEXREQ;
56	typedef TSTRTR0SEMMUTEXREQ *PTSTRTR0SEMMUTEXREQ;
57
58
59	/*******************************************************************************
60	* Global Variables *
61	*******************************************************************************/
62	static RTTEST g_hTest;
63
64
65	/**
66	* Thread function employed by tstDoThreadedTest.
67	*
68	* @returns IPRT status code.
69	* @param hThreadSelf The thread.
70	* @param pvUser The operation to perform.
71	*/
72	static DECLCALLBACK(int) tstThreadFn(RTTHREAD hThreadSelf, void *pvUser)
73	{
74	uint32_t u32 = (uint32_t)(uintptr_t)pvUser;
75	TSTRTR0SEMMUTEX enmDo = (TSTRTR0SEMMUTEX)RT_LOWORD(u32);
76	uint32_t cSecs = RT_HIWORD(u32);
77	TSTRTR0SEMMUTEXREQ Req;
78	RT_ZERO(Req);
79	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
80	Req.Hdr.cbReq = sizeof(Req);
81	Req.szMsg[0] = '\0';
82	RTTEST_CHECK_RC_RET(g_hTest, SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
83	enmDo, cSecs, &Req.Hdr),
84	VINF_SUCCESS,
85	rcCheck);
86	if (Req.szMsg[0] == '!')
87	{
88	RTTestFailed(g_hTest, "%s", &Req.szMsg[1]);
89	return VERR_GENERAL_FAILURE;
90	}
91	if (Req.szMsg[0])
92	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "%s", Req.szMsg);
93	return VINF_SUCCESS;
94	}
95
96	/**
97	* Performs a threaded test.
98	*
99	* @returns true on succes, false on failure.
100	* @param enmSetup The setup operation number.
101	* @param enmDo The do-it operation number.
102	* @param enmCleanup The cleanup operation number.
103	* @param cThreads The number of threads.
104	* @param pReq The request structure.
105	* @param pszTest The test name.
106	*/
107	static bool tstDoThreadedTest(TSTRTR0SEMMUTEX enmSetup, TSTRTR0SEMMUTEX enmDo, TSTRTR0SEMMUTEX enmCleanup,
108	unsigned cThreads, unsigned cSecs, PTSTRTR0SEMMUTEXREQ pReq, const char *pszTest)
109	{
110	RTTestSubF(g_hTest, "%s - %u threads", pszTest, cThreads);
111	RTTHREAD ahThreads[32];
112	RTTESTI_CHECK_RET(cThreads <= RT_ELEMENTS(ahThreads), false);
113
114	/*
115	* Setup.
116	*/
117	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
118	pReq->Hdr.cbReq = sizeof(*pReq);
119	pReq->szMsg[0] = '\0';
120	RTTESTI_CHECK_RC_RET(SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmSetup, 0, &pReq->Hdr),
121	VINF_SUCCESS, false);
122	if (pReq->szMsg[0] == '!')
123	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
124	if (pReq->szMsg[0])
125	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
126
127	/*
128	* Test execution.
129	*/
130	for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
131	ahThreads[i] = NIL_RTTHREAD;
132
133	int rc = VINF_SUCCESS;
134	for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
135	rc = RTThreadCreateF(&ahThreads[i], tstThreadFn, (void *)(uintptr_t)RT_MAKE_U32(enmDo, cSecs), 0, RTTHREADTYPE_DEFAULT,
136	RTTHREADFLAGS_WAITABLE, "test-%u", i);
137
138	for (unsigned i = 0; i < cThreads; i++)
139	if (ahThreads[i] != NIL_RTTHREAD)
140	{
141	int rcThread = VINF_SUCCESS;
142	int rc2 = RTThreadWait(ahThreads[i], 3600*1000, &rcThread);
143	if (RT_SUCCESS(rc2))
144	{
145	ahThreads[i] = NIL_RTTHREAD;
146	if (RT_FAILURE(rcThread) && RT_SUCCESS(rc2))
147	rc = rcThread;
148	}
149	else if (RT_SUCCESS(rc))
150	rc = rc2;
151	}
152
153	/*
154	* Cleanup.
155	*/
156	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
157	pReq->Hdr.cbReq = sizeof(*pReq);
158	pReq->szMsg[0] = '\0';
159	RTTESTI_CHECK_RC_RET(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmCleanup, 0, &pReq->Hdr),
160	VINF_SUCCESS, false);
161	if (pReq->szMsg[0] == '!')
162	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
163	if (pReq->szMsg[0])
164	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
165
166	if (RT_FAILURE(rc))
167	for (unsigned i = 0; i < cThreads; i++)
168	if (ahThreads[i] != NIL_RTTHREAD)
169	RTThreadWait(ahThreads[i], 1000, NULL);
170
171	return RT_SUCCESS(rc);
172	}
173
174
175	int main(int argc, char **argv)
176	{
177	#ifndef VBOX
178	RTPrintf("tstSup: SKIPPED\n");
179	return 0;
180	#else
181	/*
182	* Init.
183	*/
184	RTTEST hTest;
185	int rc = RTTestInitAndCreate("tstRTR0SemMutex", &hTest);
186	if (rc)
187	return rc;
188	g_hTest = hTest;
189	RTTestBanner(hTest);
190
191	PSUPDRVSESSION pSession;
192	rc = SUPR3Init(&pSession);
193	if (RT_FAILURE(rc))
194	{
195	RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
196	return RTTestSummaryAndDestroy(hTest);
197	}
198
199	char szPath[RTPATH_MAX];
200	rc = RTPathExecDir(szPath, sizeof(szPath));
201	if (RT_SUCCESS(rc))
202	rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0SemMutex.r0");
203	if (RT_FAILURE(rc))
204	{
205	RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc);
206	return RTTestSummaryAndDestroy(hTest);
207	}
208
209	void *pvImageBase;
210	rc = SUPR3LoadServiceModule(szPath, "tstRTR0SemMutex",
211	"TSTRTR0SemMutexSrvReqHandler",
212	&pvImageBase);
213	if (RT_FAILURE(rc))
214	{
215	RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc);
216	return RTTestSummaryAndDestroy(hTest);
217	}
218
219	/* test request */
220	TSTRTR0SEMMUTEXREQ Req;
221
222	/*
223	* Sanity checks.
224	*/
225	RTTestSub(hTest, "Sanity");
226	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
227	Req.Hdr.cbReq = sizeof(Req);
228	Req.szMsg[0] = '\0';
229	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
230	TSTRTR0SEMMUTEX_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS);
231	if (RT_FAILURE(rc))
232	return RTTestSummaryAndDestroy(hTest);
233	RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg));
234	if (Req.szMsg[0] != '\0')
235	return RTTestSummaryAndDestroy(hTest);
236
237	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
238	Req.Hdr.cbReq = sizeof(Req);
239	Req.szMsg[0] = '\0';
240	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
241	TSTRTR0SEMMUTEX_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS);
242	if (RT_FAILURE(rc))
243	return RTTestSummaryAndDestroy(hTest);
244	RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1), ("%s", Req.szMsg));
245	if (strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1))
246	return RTTestSummaryAndDestroy(hTest);
247
248	/*
249	* Basic tests, bail out on failure.
250	*/
251	RTTestSub(hTest, "Basics");
252	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
253	Req.Hdr.cbReq = sizeof(Req);
254	Req.szMsg[0] = '\0';
255	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
256	TSTRTR0SEMMUTEX_BASIC, 0, &Req.Hdr), VINF_SUCCESS);
257	if (RT_FAILURE(rc))
258	return RTTestSummaryAndDestroy(hTest);
259	if (Req.szMsg[0] == '!')
260	{
261	RTTestIFailed("%s", &Req.szMsg[1]);
262	return RTTestSummaryAndDestroy(hTest);
263	}
264	if (Req.szMsg[0])
265	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
266
267	/*
268	* Tests with multiple threads for bugs in the contention part of the code.
269	* Test #2: Try to hold the semaphore for 1 ms.
270	* Test #3: Grab and release immediately.
271	* Test #4: Timeout checks. Try grab it for 0-32 ms and hold it for 1 s.
272	*/
273	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 1, 1, &Req, "test #2");
274	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 2, 3, &Req, "test #2");
275	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 3, 3, &Req, "test #2");
276	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 9, 3, &Req, "test #2");
277
278	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 1, 1, &Req, "test #3");
279	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 2, 3, &Req, "test #3");
280	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 3, 3, &Req, "test #3");
281	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 9, 3, &Req, "test #3");
282
283	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 1, 1, &Req, "test #4");
284	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 2, 3, &Req, "test #4");
285	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 3, 3, &Req, "test #4");
286	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 9, 3, &Req, "test #4");
287
288	/*
289	* Done.
290	*/
291	return RTTestSummaryAndDestroy(hTest);
292	#endif
293	}
294

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTR0SemMutexDriver.cpp@ 28514

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