tstRTR0SemMutexDriver.cpp@ 28472

最後變更在這個檔案從28472是 28472,由 vboxsync 提交於 15 年前
tstRTR0SemMutex: More tests.
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1	/* $Id: tstRTR0SemMutexDriver.cpp 28472 2010-04-19 14:59:33Z 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.alldomusa.eu.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	* 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	return VINF_SUCCESS;
87	}
88
89	/**
90	* Performs a threaded test.
91	*
92	* @returns true on succes, false on failure.
93	* @param enmSetup The setup operation number.
94	* @param enmDo The do-it operation number.
95	* @param enmCleanup The cleanup operation number.
96	* @param cThreads The number of threads.
97	* @param pReq The request structure.
98	* @param pszTest The test name.
99	*/
100	static bool tstDoThreadedTest(TSTRTR0SEMMUTEX enmSetup, TSTRTR0SEMMUTEX enmDo, TSTRTR0SEMMUTEX enmCleanup,
101	unsigned cThreads, unsigned cSecs, PTSTRTR0SEMMUTEXREQ pReq, const char *pszTest)
102	{
103	RTTestSubF(g_hTest, "%s - %u threads", pszTest, cThreads);
104	RTTHREAD ahThreads[32];
105	RTTESTI_CHECK_RET(cThreads <= RT_ELEMENTS(ahThreads), false);
106
107	/*
108	* Setup.
109	*/
110	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
111	pReq->Hdr.cbReq = sizeof(*pReq);
112	pReq->szMsg[0] = '\0';
113	RTTESTI_CHECK_RC_RET(SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmSetup, 0, &pReq->Hdr),
114	VINF_SUCCESS, false);
115	if (pReq->szMsg[0] == '!')
116	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
117	if (pReq->szMsg[0])
118	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
119
120	/*
121	* Test execution.
122	*/
123	for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
124	ahThreads[i] = NIL_RTTHREAD;
125
126	int rc = VINF_SUCCESS;
127	for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
128	rc = RTThreadCreateF(&ahThreads[i], tstThreadFn, (void *)(uintptr_t)RT_MAKE_U32(enmDo, cSecs), 0, RTTHREADTYPE_DEFAULT,
129	RTTHREADFLAGS_WAITABLE, "test-%u", i);
130
131	for (unsigned i = 0; i < cThreads; i++)
132	if (ahThreads[i] != NIL_RTTHREAD)
133	{
134	int rcThread = VINF_SUCCESS;
135	int rc2 = RTThreadWait(ahThreads[i], 3600*1000, &rcThread);
136	if (RT_SUCCESS(rc2))
137	{
138	ahThreads[i] = NIL_RTTHREAD;
139	if (RT_FAILURE(rcThread) && RT_SUCCESS(rc2))
140	rc = rcThread;
141	}
142	else if (RT_SUCCESS(rc))
143	rc = rc2;
144	}
145
146	/*
147	* Cleanup.
148	*/
149	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
150	pReq->Hdr.cbReq = sizeof(*pReq);
151	pReq->szMsg[0] = '\0';
152	RTTESTI_CHECK_RC_RET(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmCleanup, 0, &pReq->Hdr),
153	VINF_SUCCESS, false);
154	if (pReq->szMsg[0] == '!')
155	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
156	if (pReq->szMsg[0])
157	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
158
159	if (RT_FAILURE(rc))
160	for (unsigned i = 0; i < cThreads; i++)
161	if (ahThreads[i] != NIL_RTTHREAD)
162	RTThreadWait(ahThreads[i], 1000, NULL);
163
164	return RT_SUCCESS(rc);
165	}
166
167
168	int main(int argc, char **argv)
169	{
170	#ifndef VBOX
171	RTPrintf("tstSup: SKIPPED\n");
172	return 0;
173	#else
174	/*
175	* Init.
176	*/
177	RTTEST hTest;
178	int rc = RTTestInitAndCreate("tstRTR0SemMutex", &hTest);
179	if (rc)
180	return rc;
181	RTTestBanner(hTest);
182
183	PSUPDRVSESSION pSession;
184	rc = SUPR3Init(&pSession);
185	if (RT_FAILURE(rc))
186	{
187	RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
188	return RTTestSummaryAndDestroy(hTest);
189	}
190
191	char szPath[RTPATH_MAX];
192	rc = RTPathExecDir(szPath, sizeof(szPath));
193	if (RT_SUCCESS(rc))
194	rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0SemMutex.r0");
195	if (RT_FAILURE(rc))
196	{
197	RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc);
198	return RTTestSummaryAndDestroy(hTest);
199	}
200
201	void *pvImageBase;
202	rc = SUPR3LoadServiceModule(szPath, "tstRTR0SemMutex",
203	"TSTRTR0SemMutexSrvReqHandler",
204	&pvImageBase);
205	if (RT_FAILURE(rc))
206	{
207	RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc);
208	return RTTestSummaryAndDestroy(hTest);
209	}
210
211	/* test request */
212	TSTRTR0SEMMUTEXREQ Req;
213
214	/*
215	* Sanity checks.
216	*/
217	RTTestSub(hTest, "Sanity");
218	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
219	Req.Hdr.cbReq = sizeof(Req);
220	Req.szMsg[0] = '\0';
221	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
222	TSTRTR0SEMMUTEX_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS);
223	if (RT_FAILURE(rc))
224	return RTTestSummaryAndDestroy(hTest);
225	RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg));
226	if (Req.szMsg[0] != '\0')
227	return RTTestSummaryAndDestroy(hTest);
228
229	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
230	Req.Hdr.cbReq = sizeof(Req);
231	Req.szMsg[0] = '\0';
232	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
233	TSTRTR0SEMMUTEX_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS);
234	if (RT_FAILURE(rc))
235	return RTTestSummaryAndDestroy(hTest);
236	RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1), ("%s", Req.szMsg));
237	if (strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1))
238	return RTTestSummaryAndDestroy(hTest);
239
240	/*
241	* Basic tests, bail out on failure.
242	*/
243	RTTestSub(hTest, "Basics");
244	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
245	Req.Hdr.cbReq = sizeof(Req);
246	Req.szMsg[0] = '\0';
247	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
248	TSTRTR0SEMMUTEX_BASIC, 0, &Req.Hdr), VINF_SUCCESS);
249	if (RT_FAILURE(rc))
250	return RTTestSummaryAndDestroy(hTest);
251	if (Req.szMsg[0] == '!')
252	{
253	RTTestIFailed("%s", &Req.szMsg[1]);
254	return RTTestSummaryAndDestroy(hTest);
255	}
256	if (Req.szMsg[0])
257	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
258
259	/*
260	* Tests with multiple threads for bugs in the contention part of the code.
261	* Test #2: Try to hold the semaphore for 1 ms.
262	* Test #3: Grab and release immediately.
263	* Test #4: Timeout checks. Try grab it for 0-32 ms and hold it for 1 s.
264	*/
265	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 1, 1, &Req, "test #2");
266	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 2, 3, &Req, "test #2");
267	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 3, 3, &Req, "test #2");
268	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 9, 3, &Req, "test #2");
269
270	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 1, 1, &Req, "test #3");
271	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 2, 3, &Req, "test #3");
272	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 3, 3, &Req, "test #3");
273	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 9, 3, &Req, "test #3");
274
275	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 1, 1, &Req, "test #4");
276	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 2, 3, &Req, "test #4");
277	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 3, 3, &Req, "test #4");
278	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 9, 3, &Req, "test #4");
279
280	/*
281	* Done.
282	*/
283	return RTTestSummaryAndDestroy(hTest);
284	#endif
285	}
286

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTR0SemMutexDriver.cpp@ 28472

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