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Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTR0Thread.cpp')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstRTR0Thread.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTR0Thread.cpp b/src/VBox/Runtime/testcase/tstRTR0Thread.cpp new file mode 100644 index 00000000..8b7e89dc --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTR0Thread.cpp @@ -0,0 +1,133 @@ +/* $Id: tstRTR0Thread.cpp $ */ +/** @file + * IPRT R0 Testcase - Kernel thread. + */ + +/* + * Copyright (C) 2015-2022 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/thread.h> + +#include <iprt/asm-amd64-x86.h> +#include <iprt/errcore.h> +#include <VBox/sup.h> +#include "tstRTR0Thread.h" +#include "tstRTR0Common.h" + +#define TSTRTR0THREADDATA_MAGIC 0xcececece + +/** + * State structure for tstRTR0ThreadCallback(). + */ +typedef struct TSTRTR0THREADDATA +{ + /** The magic value. */ + uint32_t uMagic; + /** Sample counter. */ + uint32_t volatile cCounter; + /** The thread handle. */ + RTTHREAD hThread; +} TSTRTR0THREADDATA; +/** Pointer to state structure for tstRTR0ThreadCallback(). */ +typedef TSTRTR0THREADDATA *PTSTRTR0THREADDATA; + + +static DECLCALLBACK(int) tstRTR0ThreadCallback(RTTHREAD hThread, void *pvUser) +{ + PTSTRTR0THREADDATA pData = (PTSTRTR0THREADDATA)pvUser; + RT_NOREF1(hThread); + if (RT_LIKELY(pData)) + { + if (pData->uMagic == TSTRTR0THREADDATA_MAGIC) + pData->uMagic = ~pData->uMagic; + if (pData->cCounter == 127) + pData->cCounter = 196; + } + RTThreadUserSignal(RTThreadSelf()); + return VINF_SUCCESS; +} + + +/** + * 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) TSTRTR0ThreadSrvReqHandler(PSUPDRVSESSION pSession, uint32_t uOperation, + uint64_t u64Arg, PSUPR0SERVICEREQHDR pReqHdr) +{ + RTR0TESTR0_SRV_REQ_PROLOG_RET(pReqHdr); + RT_NOREF2(pSession, u64Arg); + + /* + * The big switch. + */ + switch (uOperation) + { + RTR0TESTR0_IMPLEMENT_SANITY_CASES(); + RTR0TESTR0_IMPLEMENT_DEFAULT_CASE(uOperation); + + case TSTRTR0THREAD_BASIC: + { + TSTRTR0THREADDATA Data; + RT_ZERO(Data); + Data.uMagic = TSTRTR0THREADDATA_MAGIC; + Data.cCounter = 127; + + /* Create the kernel thread. */ + RTR0TESTR0_CHECK_RC_BREAK(RTThreadCreate(&Data.hThread, tstRTR0ThreadCallback, &Data, 0 /* cbStack */, + RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "tstRTR0Thr"), VINF_SUCCESS); + + /* Wait for thread to signal. */ + RTR0TESTR0_CHECK_RC(RTThreadUserWait(Data.hThread, 500 /* ms */), VINF_SUCCESS); + + /* Reset the semaphore. */ + RTR0TESTR0_CHECK_RC(RTThreadUserReset(Data.hThread), VINF_SUCCESS); + + /* Check if the thread has modified data as expected. */ + RTR0TESTR0_CHECK_MSG_BREAK(Data.cCounter = 196 && Data.uMagic == ~TSTRTR0THREADDATA_MAGIC, + ("Thread didn't modify data as expected.\n")); + break; + } + } + + RTR0TESTR0_SRV_REQ_EPILOG(pReqHdr); + /* The error indicator is the '!' in the message buffer. */ + return VINF_SUCCESS; +} + |