| 1 | /* $Id: tstRTR0SemMutexDriver.cpp 33540 2010-10-28 09:27:05Z 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 success, 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 |
|
|---|
