tstRTR0SemMutexDriver.cpp@ 62721

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1	/* $Id: tstRTR0SemMutexDriver.cpp 62721 2016-07-29 22:31:28Z vboxsync $ */
2	/** @file
3	* IPRT R0 Testcase - Thread Preemption, driver program.
4	*/
5
6	/*
7	* Copyright (C) 2009-2016 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	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#include <iprt/initterm.h>
32
33	#include <iprt/err.h>
34	#include <iprt/path.h>
35	#include <iprt/param.h>
36	#include <iprt/stream.h>
37	#include <iprt/string.h>
38	#include <iprt/test.h>
39	#include <iprt/thread.h>
40	#ifdef VBOX
41	# include <VBox/sup.h>
42	# include "tstRTR0SemMutex.h"
43	#endif
44
45
46	/*********************************************************************************************************************************
47	* Structures and Typedefs *
48	*********************************************************************************************************************************/
49	typedef struct TSTRTR0SEMMUTEXREQ
50	{
51	SUPR0SERVICEREQHDR Hdr;
52	char szMsg[256];
53	} TSTRTR0SEMMUTEXREQ;
54	typedef TSTRTR0SEMMUTEXREQ *PTSTRTR0SEMMUTEXREQ;
55
56
57	/*********************************************************************************************************************************
58	* Global Variables *
59	*********************************************************************************************************************************/
60	static RTTEST g_hTest;
61
62
63	/**
64	* Thread function employed by tstDoThreadedTest.
65	*
66	* @returns IPRT status code.
67	* @param hThreadSelf The thread.
68	* @param pvUser The operation to perform.
69	*/
70	static DECLCALLBACK(int) tstThreadFn(RTTHREAD hThreadSelf, void *pvUser)
71	{
72	uint32_t u32 = (uint32_t)(uintptr_t)pvUser;
73	TSTRTR0SEMMUTEX enmDo = (TSTRTR0SEMMUTEX)RT_LOWORD(u32);
74	uint32_t cSecs = RT_HIWORD(u32);
75	TSTRTR0SEMMUTEXREQ Req;
76	RT_ZERO(Req);
77	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
78	Req.Hdr.cbReq = sizeof(Req);
79	Req.szMsg[0] = '\0';
80	RTTEST_CHECK_RC_RET(g_hTest, SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
81	enmDo, cSecs, &Req.Hdr),
82	VINF_SUCCESS,
83	rcCheck);
84	if (Req.szMsg[0] == '!')
85	{
86	RTTestFailed(g_hTest, "%s", &Req.szMsg[1]);
87	return VERR_GENERAL_FAILURE;
88	}
89	if (Req.szMsg[0])
90	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "%s", Req.szMsg);
91	return VINF_SUCCESS;
92	}
93
94	/**
95	* Performs a threaded test.
96	*
97	* @returns true on success, false on failure.
98	* @param enmSetup The setup operation number.
99	* @param enmDo The do-it operation number.
100	* @param enmCleanup The cleanup operation number.
101	* @param cThreads The number of threads.
102	* @param pReq The request structure.
103	* @param pszTest The test name.
104	*/
105	static bool tstDoThreadedTest(TSTRTR0SEMMUTEX enmSetup, TSTRTR0SEMMUTEX enmDo, TSTRTR0SEMMUTEX enmCleanup,
106	unsigned cThreads, unsigned cSecs, PTSTRTR0SEMMUTEXREQ pReq, const char *pszTest)
107	{
108	RTTestSubF(g_hTest, "%s - %u threads", pszTest, cThreads);
109	RTTHREAD ahThreads[32];
110	RTTESTI_CHECK_RET(cThreads <= RT_ELEMENTS(ahThreads), false);
111
112	/*
113	* Setup.
114	*/
115	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
116	pReq->Hdr.cbReq = sizeof(*pReq);
117	pReq->szMsg[0] = '\0';
118	RTTESTI_CHECK_RC_RET(SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmSetup, 0, &pReq->Hdr),
119	VINF_SUCCESS, false);
120	if (pReq->szMsg[0] == '!')
121	return !!RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
122	if (pReq->szMsg[0])
123	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
124
125	/*
126	* Test execution.
127	*/
128	for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
129	ahThreads[i] = NIL_RTTHREAD;
130
131	int rc = VINF_SUCCESS;
132	for (unsigned i = 0; i < cThreads && RT_SUCCESS(rc); i++)
133	rc = RTThreadCreateF(&ahThreads[i], tstThreadFn, (void *)(uintptr_t)RT_MAKE_U32(enmDo, cSecs), 0, RTTHREADTYPE_DEFAULT,
134	RTTHREADFLAGS_WAITABLE, "test-%u", i);
135
136	for (unsigned i = 0; i < cThreads; i++)
137	if (ahThreads[i] != NIL_RTTHREAD)
138	{
139	int rcThread = VINF_SUCCESS;
140	int rc2 = RTThreadWait(ahThreads[i], 3600*1000, &rcThread);
141	if (RT_SUCCESS(rc2))
142	{
143	ahThreads[i] = NIL_RTTHREAD;
144	if (RT_FAILURE(rcThread) && RT_SUCCESS(rc2))
145	rc = rcThread;
146	}
147	else if (RT_SUCCESS(rc))
148	rc = rc2;
149	}
150
151	/*
152	* Cleanup.
153	*/
154	pReq->Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
155	pReq->Hdr.cbReq = sizeof(*pReq);
156	pReq->szMsg[0] = '\0';
157	RTTESTI_CHECK_RC_RET(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1, enmCleanup, 0, &pReq->Hdr),
158	VINF_SUCCESS, false);
159	if (pReq->szMsg[0] == '!')
160	return !!RTTestIFailedRc(false, "%s", &pReq->szMsg[1]);
161	if (pReq->szMsg[0])
162	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", pReq->szMsg);
163
164	if (RT_FAILURE(rc))
165	for (unsigned i = 0; i < cThreads; i++)
166	if (ahThreads[i] != NIL_RTTHREAD)
167	RTThreadWait(ahThreads[i], 1000, NULL);
168
169	return RT_SUCCESS(rc);
170	}
171
172
173	/**
174	* Entry point.
175	*/
176	extern "C" DECLEXPORT(int) TrustedMain(int argc, char argv, char envp)
177	{
178	RT_NOREF3(argc, argv, envp);
179	#ifndef VBOX
180	RTPrintf("tstSup: SKIPPED\n");
181	return 0;
182	#else
183	/*
184	* Init.
185	*/
186	RTTEST hTest;
187	int rc = RTTestInitAndCreate("tstRTR0SemMutex", &hTest);
188	if (rc)
189	return rc;
190	g_hTest = hTest;
191	RTTestBanner(hTest);
192
193	PSUPDRVSESSION pSession;
194	rc = SUPR3Init(&pSession);
195	if (RT_FAILURE(rc))
196	{
197	RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
198	return RTTestSummaryAndDestroy(hTest);
199	}
200
201	char szPath[RTPATH_MAX];
202	rc = RTPathExecDir(szPath, sizeof(szPath));
203	if (RT_SUCCESS(rc))
204	rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0SemMutex.r0");
205	if (RT_FAILURE(rc))
206	{
207	RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc);
208	return RTTestSummaryAndDestroy(hTest);
209	}
210
211	void *pvImageBase;
212	rc = SUPR3LoadServiceModule(szPath, "tstRTR0SemMutex",
213	"TSTRTR0SemMutexSrvReqHandler",
214	&pvImageBase);
215	if (RT_FAILURE(rc))
216	{
217	RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc);
218	return RTTestSummaryAndDestroy(hTest);
219	}
220
221	/* test request */
222	TSTRTR0SEMMUTEXREQ Req;
223
224	/*
225	* Sanity checks.
226	*/
227	RTTestSub(hTest, "Sanity");
228	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
229	Req.Hdr.cbReq = sizeof(Req);
230	Req.szMsg[0] = '\0';
231	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
232	TSTRTR0SEMMUTEX_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS);
233	if (RT_FAILURE(rc))
234	return RTTestSummaryAndDestroy(hTest);
235	RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg));
236	if (Req.szMsg[0] != '\0')
237	return RTTestSummaryAndDestroy(hTest);
238
239	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
240	Req.Hdr.cbReq = sizeof(Req);
241	Req.szMsg[0] = '\0';
242	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
243	TSTRTR0SEMMUTEX_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS);
244	if (RT_FAILURE(rc))
245	return RTTestSummaryAndDestroy(hTest);
246	RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42")), ("%s", Req.szMsg));
247	if (strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42")))
248	return RTTestSummaryAndDestroy(hTest);
249
250	/*
251	* Basic tests, bail out on failure.
252	*/
253	RTTestSub(hTest, "Basics");
254	Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
255	Req.Hdr.cbReq = sizeof(Req);
256	Req.szMsg[0] = '\0';
257	RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0SemMutex", sizeof("tstRTR0SemMutex") - 1,
258	TSTRTR0SEMMUTEX_BASIC, 0, &Req.Hdr), VINF_SUCCESS);
259	if (RT_FAILURE(rc))
260	return RTTestSummaryAndDestroy(hTest);
261	if (Req.szMsg[0] == '!')
262	{
263	RTTestIFailed("%s", &Req.szMsg[1]);
264	return RTTestSummaryAndDestroy(hTest);
265	}
266	if (Req.szMsg[0])
267	RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
268
269	/*
270	* Tests with multiple threads for bugs in the contention part of the code.
271	* Test #2: Try to hold the semaphore for 1 ms.
272	* Test #3: Grab and release immediately.
273	* Test #4: Timeout checks. Try grab it for 0-32 ms and hold it for 1 s.
274	*/
275	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 1, 1, &Req, "test #2");
276	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 2, 3, &Req, "test #2");
277	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 3, 3, &Req, "test #2");
278	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST2_SETUP, TSTRTR0SEMMUTEX_TEST2_DO, TSTRTR0SEMMUTEX_TEST2_CLEANUP, 9, 3, &Req, "test #2");
279
280	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 1, 1, &Req, "test #3");
281	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 2, 3, &Req, "test #3");
282	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 3, 3, &Req, "test #3");
283	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST3_SETUP, TSTRTR0SEMMUTEX_TEST3_DO, TSTRTR0SEMMUTEX_TEST3_CLEANUP, 9, 3, &Req, "test #3");
284
285	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 1, 1, &Req, "test #4");
286	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 2, 3, &Req, "test #4");
287	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 3, 3, &Req, "test #4");
288	tstDoThreadedTest(TSTRTR0SEMMUTEX_TEST4_SETUP, TSTRTR0SEMMUTEX_TEST4_DO, TSTRTR0SEMMUTEX_TEST4_CLEANUP, 9, 3, &Req, "test #4");
289
290	/*
291	* Done.
292	*/
293	return RTTestSummaryAndDestroy(hTest);
294	#endif
295	}
296
297
298	#if !defined(VBOX_WITH_HARDENING) \|\| !defined(RT_OS_WINDOWS)
299	/**
300	* Main entry point.
301	*/
302	int main(int argc, char argv, char envp)
303	{
304	return TrustedMain(argc, argv, envp);
305	}
306	#endif
307

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTR0SemMutexDriver.cpp@ 62721

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