tstRTR0SemMutexDriver.cpp@ 32083

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1	/* $Id: tstRTR0SemMutexDriver.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
2	/** @file
3	* IPRT R0 Testcase - Thread Preemption, driver program.
4	*/
5
6	/*
7	* Copyright (C) 2009-2010 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/initterm.h>
31
32	#include <iprt/err.h>
33	#include <iprt/path.h>
34	#include <iprt/param.h>
35	#include <iprt/stream.h>
36	#include <iprt/string.h>
37	#include <iprt/test.h>
38	#include <iprt/thread.h>
39	#ifdef VBOX
40	# include <VBox/sup.h>
41	# include "tstRTR0SemMutex.h"
42	#endif
43
44	/*******************************************************************************
45	* Structures and Typedefs *
46	*******************************************************************************/
47	typedef struct TSTRTR0SEMMUTEXREQ
48	{
49	SUPR0SERVICEREQHDR Hdr;
50	char szMsg[256];
51	} TSTRTR0SEMMUTEXREQ;
52	typedef TSTRTR0SEMMUTEXREQ *PTSTRTR0SEMMUTEXREQ;
53
54
55	/*******************************************************************************
56	* Global Variables *
57	*******************************************************************************/
58	static RTTEST g_hTest;
59
60
61	/**
62	* Thread function employed by tstDoThreadedTest.
63	*
64	* @returns IPRT status code.
65	* @param hThreadSelf The thread.
66	* @param pvUser The operation to perform.
67	*/
68	static DECLCALLBACK(int) tstThreadFn(RTTHREAD hThreadSelf, void *pvUser)
69	{
70	uint32_t u32 = (uint32_t)(uintptr_t)pvUser;
71	TSTRTR0SEMMUTEX enmDo = (TSTRTR0SEMMUTEX)RT_LOWORD(u32);
72	uint32_t cSecs = RT_HIWORD(u32);
73	TSTRTR0SEMMUTEXREQ Req;
74	RT_ZERO(Req);
75	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
76	Req.Hdr.cbReq = sizeof(Req);
77	Req.szMsg[0] = '\0';
78	RTTEST_CHECK_RC_RET(g_hTest, SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
79	enmDo, cSecs, &Req.Hdr),
80	VINF_SUCCESS,
81	rcCheck);
82	if (Req.szMsg[0] == '!')
83	{
84	RTTestFailed(g_hTest, "%s", &Req.szMsg[1]);
85	return VERR_GENERAL_FAILURE;
86	}
87	if (Req.szMsg[0])
88	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "%s", Req.szMsg);
89	return VINF_SUCCESS;
90	}
91
92	/**
93	* Performs a threaded test.
94	*
95	* @returns true on succes, false on failure.
96	* @param enmSetup The setup operation number.
97	* @param enmDo The do-it operation number.
98	* @param enmCleanup The cleanup operation number.
99	* @param cThreads The number of threads.
100	* @param pReq The request structure.
101	* @param pszTest The test name.
102	*/
103	static bool tstDoThreadedTest(TSTRTR0SEMMUTEX enmSetup, TSTRTR0SEMMUTEX enmDo, TSTRTR0SEMMUTEX enmCleanup,
104	unsigned cThreads, unsigned cSecs, PTSTRTR0SEMMUTEXREQ pReq, const char *pszTest)
105	{
106	RTTestSubF(g_hTest, "%s - %u threads", pszTest, cThreads);
107	RTTHREAD ahThreads[32];
108	RTTESTI_CHECK_RET(cThreads <= RT_ELEMENTS(ahThreads), false);
109
110	/*
111	* Setup.
112	*/
113	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
114	pReq->Hdr.cbReq = sizeof(*pReq);
115	pReq->szMsg[0] = '\0';
116	RTTESTI_CHECK_RC_RET(SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmSetup, 0, &pReq->Hdr),
117	VINF_SUCCESS, false);
118	if (pReq->szMsg[0] == '!')
119	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
120	if (pReq->szMsg[0])
121	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
122
123	/*
124	* Test execution.
125	*/
126	for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
127	ahThreads[i] = NIL_RTTHREAD;
128
129	int rc = VINF_SUCCESS;
130	for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
131	rc = RTThreadCreateF(&ahThreads[i], tstThreadFn, (void *)(uintptr_t)RT_MAKE_U32(enmDo, cSecs), 0, RTTHREADTYPE_DEFAULT,
132	RTTHREADFLAGS_WAITABLE, "test-%u", i);
133
134	for (unsigned i = 0; i < cThreads; i++)
135	if (ahThreads[i] != NIL_RTTHREAD)
136	{
137	int rcThread = VINF_SUCCESS;
138	int rc2 = RTThreadWait(ahThreads[i], 3600*1000, &rcThread);
139	if (RT_SUCCESS(rc2))
140	{
141	ahThreads[i] = NIL_RTTHREAD;
142	if (RT_FAILURE(rcThread) && RT_SUCCESS(rc2))
143	rc = rcThread;
144	}
145	else if (RT_SUCCESS(rc))
146	rc = rc2;
147	}
148
149	/*
150	* Cleanup.
151	*/
152	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
153	pReq->Hdr.cbReq = sizeof(*pReq);
154	pReq->szMsg[0] = '\0';
155	RTTESTI_CHECK_RC_RET(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmCleanup, 0, &pReq->Hdr),
156	VINF_SUCCESS, false);
157	if (pReq->szMsg[0] == '!')
158	return RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
159	if (pReq->szMsg[0])
160	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
161
162	if (RT_FAILURE(rc))
163	for (unsigned i = 0; i < cThreads; i++)
164	if (ahThreads[i] != NIL_RTTHREAD)
165	RTThreadWait(ahThreads[i], 1000, NULL);
166
167	return RT_SUCCESS(rc);
168	}
169
170
171	int main(int argc, char **argv)
172	{
173	#ifndef VBOX
174	RTPrintf("tstSup: SKIPPED\n");
175	return 0;
176	#else
177	/*
178	* Init.
179	*/
180	RTTEST hTest;
181	int rc = RTTestInitAndCreate("tstRTR0SemMutex", &hTest);
182	if (rc)
183	return rc;
184	g_hTest = hTest;
185	RTTestBanner(hTest);
186
187	PSUPDRVSESSION pSession;
188	rc = SUPR3Init(&pSession);
189	if (RT_FAILURE(rc))
190	{
191	RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
192	return RTTestSummaryAndDestroy(hTest);
193	}
194
195	char szPath[RTPATH_MAX];
196	rc = RTPathExecDir(szPath, sizeof(szPath));
197	if (RT_SUCCESS(rc))
198	rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0SemMutex.r0");
199	if (RT_FAILURE(rc))
200	{
201	RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc);
202	return RTTestSummaryAndDestroy(hTest);
203	}
204
205	void *pvImageBase;
206	rc = SUPR3LoadServiceModule(szPath, "tstRTR0SemMutex",
207	"TSTRTR0SemMutexSrvReqHandler",
208	&pvImageBase);
209	if (RT_FAILURE(rc))
210	{
211	RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc);
212	return RTTestSummaryAndDestroy(hTest);
213	}
214
215	/* test request */
216	TSTRTR0SEMMUTEXREQ Req;
217
218	/*
219	* Sanity checks.
220	*/
221	RTTestSub(hTest, "Sanity");
222	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
223	Req.Hdr.cbReq = sizeof(Req);
224	Req.szMsg[0] = '\0';
225	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
226	TSTRTR0SEMMUTEX_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS);
227	if (RT_FAILURE(rc))
228	return RTTestSummaryAndDestroy(hTest);
229	RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg));
230	if (Req.szMsg[0] != '\0')
231	return RTTestSummaryAndDestroy(hTest);
232
233	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
234	Req.Hdr.cbReq = sizeof(Req);
235	Req.szMsg[0] = '\0';
236	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
237	TSTRTR0SEMMUTEX_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS);
238	if (RT_FAILURE(rc))
239	return RTTestSummaryAndDestroy(hTest);
240	RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1), ("%s", Req.szMsg));
241	if (strncmp(Req.szMsg, "!42failure42", sizeof("!42failure42") - 1))
242	return RTTestSummaryAndDestroy(hTest);
243
244	/*
245	* Basic tests, bail out on failure.
246	*/
247	RTTestSub(hTest, "Basics");
248	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
249	Req.Hdr.cbReq = sizeof(Req);
250	Req.szMsg[0] = '\0';
251	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
252	TSTRTR0SEMMUTEX_BASIC, 0, &Req.Hdr), VINF_SUCCESS);
253	if (RT_FAILURE(rc))
254	return RTTestSummaryAndDestroy(hTest);
255	if (Req.szMsg[0] == '!')
256	{
257	RTTestIFailed("%s", &Req.szMsg[1]);
258	return RTTestSummaryAndDestroy(hTest);
259	}
260	if (Req.szMsg[0])
261	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
262
263	/*
264	* Tests with multiple threads for bugs in the contention part of the code.
265	* Test #2: Try to hold the semaphore for 1 ms.
266	* Test #3: Grab and release immediately.
267	* Test #4: Timeout checks. Try grab it for 0-32 ms and hold it for 1 s.
268	*/
269	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 1, 1, &Req, "test #2");
270	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 2, 3, &Req, "test #2");
271	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 3, 3, &Req, "test #2");
272	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 9, 3, &Req, "test #2");
273
274	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 1, 1, &Req, "test #3");
275	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 2, 3, &Req, "test #3");
276	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 3, 3, &Req, "test #3");
277	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 9, 3, &Req, "test #3");
278
279	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 1, 1, &Req, "test #4");
280	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 2, 3, &Req, "test #4");
281	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 3, 3, &Req, "test #4");
282	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 9, 3, &Req, "test #4");
283
284	/*
285	* Done.
286	*/
287	return RTTestSummaryAndDestroy(hTest);
288	#endif
289	}
290

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTR0SemMutexDriver.cpp@ 32083

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