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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp b/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp new file mode 100644 index 00000000..319fcc56 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTR0SemMutex.cpp @@ -0,0 +1,291 @@ +/* $Id: tstRTR0SemMutex.cpp $ */ +/** @file + * IPRT R0 Testcase - Mutex Semaphores. + */ + +/* + * Copyright (C) 2009-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/semaphore.h> + +#include <iprt/errcore.h> +#include <VBox/sup.h> +#include <iprt/string.h> +#include <iprt/time.h> +#include <iprt/thread.h> +#include "tstRTR0SemMutex.h" + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** The mutex used in test #2. */ +static RTSEMMUTEX g_hMtxTest2 = NIL_RTSEMMUTEX; + + + +/** + * Service request callback function. + * + * @returns VBox status code. + * @param pSession The caller's session. + * @param u64Arg 64-bit integer argument. + * @param pReqHdr The request header. Input / Output. Optional. + */ +DECLEXPORT(int) TSTRTR0SemMutexSrvReqHandler(PSUPDRVSESSION pSession, uint32_t uOperation, + uint64_t u64Arg, PSUPR0SERVICEREQHDR pReqHdr) +{ + NOREF(pSession); + if (!RT_VALID_PTR(pReqHdr)) + return VERR_INVALID_PARAMETER; + char *pszErr = (char *)(pReqHdr + 1); + size_t cchErr = pReqHdr->cbReq - sizeof(*pReqHdr); + if (cchErr < 32 || cchErr >= 0x10000) + return VERR_INVALID_PARAMETER; + *pszErr = '\0'; + +#define SET_ERROR(szFmt) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt); } while (0) +#define SET_ERROR1(szFmt, a1) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1); } while (0) +#define SET_ERROR2(szFmt, a1, a2) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1, a2); } while (0) +#define SET_ERROR3(szFmt, a1, a2, a3) do { if (!*pszErr) RTStrPrintf(pszErr, cchErr, "!" szFmt, a1, a2, a3); } while (0) +#define CHECK_RC_BREAK(rc, rcExpect, szOp) \ + if ((rc) != (rcExpect)) \ + { \ + RTStrPrintf(pszErr, cchErr, "!%s -> %Rrc, expected %Rrc. line %u", szOp, rc, rcExpect, __LINE__); \ + SUPR0Printf("%s -> %d, expected %d. line %u", szOp, rc, rcExpect, __LINE__); \ + break; \ + } + + /* + * Set up test timeout (when applicable). + */ + if (u64Arg > 120) + { + SET_ERROR1("Timeout is too large (max 120): %lld", u64Arg); + return VINF_SUCCESS; + } + uint64_t const StartTS = RTTimeSystemMilliTS(); + uint32_t const cMsMax = (uint32_t)u64Arg * 1000; + + /* + * The big switch. + */ + RTSEMMUTEX hMtx; + int rc; + switch (uOperation) + { + case TSTRTR0SEMMUTEX_SANITY_OK: + break; + + case TSTRTR0SEMMUTEX_SANITY_FAILURE: + SET_ERROR1("42failure42%1024s", ""); + break; + + case TSTRTR0SEMMUTEX_BASIC: + rc = RTSemMutexCreate(&hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate"); + do + { + /* + * The interruptible version first. + */ + /* simple request and release, polling. */ + rc = RTSemMutexRequestNoResume(hMtx, 0); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* simple request and release, wait for ever. */ + rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(indef_wait)"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* simple request and release, wait a tiny while. */ + rc = RTSemMutexRequestNoResume(hMtx, 133); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(133)"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* nested request and release. */ + rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#1"); + rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#2"); + rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#3"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3"); + rc = RTSemMutexRequestNoResume(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume#3b"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3b"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#2"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#1"); + + /* + * The uninterruptible variant. + */ + /* simple request and release, polling. */ + rc = RTSemMutexRequest(hMtx, 0); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* simple request and release, wait for ever. */ + rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest(indef_wait)"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* simple request and release, wait a tiny while. */ + rc = RTSemMutexRequest(hMtx, 133); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest(133)"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + /* nested request and release. */ + rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#1"); + rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#2"); + rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#3"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3"); + rc = RTSemMutexRequest(hMtx, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequest#3b"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#3b"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#2"); + rc = RTSemMutexRelease(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease#1"); + + } while (false); + + rc = RTSemMutexDestroy(hMtx); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexDestroy"); + break; + + case TSTRTR0SEMMUTEX_TEST2_SETUP: + case TSTRTR0SEMMUTEX_TEST3_SETUP: + case TSTRTR0SEMMUTEX_TEST4_SETUP: + rc = RTSemMutexCreate(&g_hMtxTest2); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate"); + break; + + case TSTRTR0SEMMUTEX_TEST2_DO: + for (unsigned i = 0; i < 200; i++) + { + if (i & 1) + { + rc = RTSemMutexRequestNoResume(g_hMtxTest2, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,indef_wait)"); + } + else + { + rc = RTSemMutexRequestNoResume(g_hMtxTest2, 30000); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,30000)"); + } + RTThreadSleep(1); + rc = RTSemMutexRelease(g_hMtxTest2); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + if ((i % 16) == 15 && RTTimeSystemMilliTS() - StartTS >= cMsMax) + break; + } + break; + + + case TSTRTR0SEMMUTEX_TEST3_DO: + for (unsigned i = 0; i < 1000000; i++) + { + if (i & 1) + { + rc = RTSemMutexRequestNoResume(g_hMtxTest2, RT_INDEFINITE_WAIT); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,indef_wait)"); + } + else + { + rc = RTSemMutexRequestNoResume(g_hMtxTest2, 30000); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume(,30000)"); + } + rc = RTSemMutexRelease(g_hMtxTest2); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + + if ((i % 256) == 255 && RTTimeSystemMilliTS() - StartTS >= cMsMax) + break; + } + break; + + case TSTRTR0SEMMUTEX_TEST4_DO: + for (unsigned i = 0; i < 1024; i++) + { + rc = RTSemMutexRequestNoResume(g_hMtxTest2, (i % 32)); + if (rc != VERR_TIMEOUT) + { + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRequestNoResume"); + RTThreadSleep(1000); + + rc = RTSemMutexRelease(g_hMtxTest2); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexRelease"); + } + + if (RTTimeSystemMilliTS() - StartTS >= cMsMax) + break; + } + break; + + case TSTRTR0SEMMUTEX_TEST2_CLEANUP: + case TSTRTR0SEMMUTEX_TEST3_CLEANUP: + case TSTRTR0SEMMUTEX_TEST4_CLEANUP: + rc = RTSemMutexDestroy(g_hMtxTest2); + CHECK_RC_BREAK(rc, VINF_SUCCESS, "RTSemMutexCreate"); + g_hMtxTest2 = NIL_RTSEMMUTEX; + break; + + + default: + SET_ERROR1("Unknown test #%d", uOperation); + break; + } + + /* The error indicator is the '!' in the message buffer. */ + return VINF_SUCCESS; +} + |