| 1 | /* $Id: tstRTR0Thread.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT R0 Testcase - Kernel thread.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2015-2022 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/thread.h>
|
|---|
| 32 |
|
|---|
| 33 | #include <iprt/asm-amd64-x86.h>
|
|---|
| 34 | #include <iprt/errcore.h>
|
|---|
| 35 | #include <VBox/sup.h>
|
|---|
| 36 | #include "tstRTR0Thread.h"
|
|---|
| 37 | #include "tstRTR0Common.h"
|
|---|
| 38 |
|
|---|
| 39 | #define TSTRTR0THREADDATA_MAGIC 0xcececece
|
|---|
| 40 |
|
|---|
| 41 | /**
|
|---|
| 42 | * State structure for tstRTR0ThreadCallback().
|
|---|
| 43 | */
|
|---|
| 44 | typedef struct TSTRTR0THREADDATA
|
|---|
| 45 | {
|
|---|
| 46 | /** The magic value. */
|
|---|
| 47 | uint32_t uMagic;
|
|---|
| 48 | /** Sample counter. */
|
|---|
| 49 | uint32_t volatile cCounter;
|
|---|
| 50 | /** The thread handle. */
|
|---|
| 51 | RTTHREAD hThread;
|
|---|
| 52 | } TSTRTR0THREADDATA;
|
|---|
| 53 | /** Pointer to state structure for tstRTR0ThreadCallback(). */
|
|---|
| 54 | typedef TSTRTR0THREADDATA *PTSTRTR0THREADDATA;
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | static DECLCALLBACK(int) tstRTR0ThreadCallback(RTTHREAD hThread, void *pvUser)
|
|---|
| 58 | {
|
|---|
| 59 | PTSTRTR0THREADDATA pData = (PTSTRTR0THREADDATA)pvUser;
|
|---|
| 60 | RT_NOREF1(hThread);
|
|---|
| 61 | if (RT_LIKELY(pData))
|
|---|
| 62 | {
|
|---|
| 63 | if (pData->uMagic == TSTRTR0THREADDATA_MAGIC)
|
|---|
| 64 | pData->uMagic = ~pData->uMagic;
|
|---|
| 65 | if (pData->cCounter == 127)
|
|---|
| 66 | pData->cCounter = 196;
|
|---|
| 67 | }
|
|---|
| 68 | RTThreadUserSignal(RTThreadSelf());
|
|---|
| 69 | return VINF_SUCCESS;
|
|---|
| 70 | }
|
|---|
| 71 |
|
|---|
| 72 |
|
|---|
| 73 | /**
|
|---|
| 74 | * Service request callback function.
|
|---|
| 75 | *
|
|---|
| 76 | * @returns VBox status code.
|
|---|
| 77 | * @param pSession The caller's session.
|
|---|
| 78 | * @param u64Arg 64-bit integer argument.
|
|---|
| 79 | * @param pReqHdr The request header. Input / Output. Optional.
|
|---|
| 80 | */
|
|---|
| 81 | DECLEXPORT(int) TSTRTR0ThreadSrvReqHandler(PSUPDRVSESSION pSession, uint32_t uOperation,
|
|---|
| 82 | uint64_t u64Arg, PSUPR0SERVICEREQHDR pReqHdr)
|
|---|
| 83 | {
|
|---|
| 84 | RTR0TESTR0_SRV_REQ_PROLOG_RET(pReqHdr);
|
|---|
| 85 | RT_NOREF2(pSession, u64Arg);
|
|---|
| 86 |
|
|---|
| 87 | /*
|
|---|
| 88 | * The big switch.
|
|---|
| 89 | */
|
|---|
| 90 | switch (uOperation)
|
|---|
| 91 | {
|
|---|
| 92 | RTR0TESTR0_IMPLEMENT_SANITY_CASES();
|
|---|
| 93 | RTR0TESTR0_IMPLEMENT_DEFAULT_CASE(uOperation);
|
|---|
| 94 |
|
|---|
| 95 | case TSTRTR0THREAD_BASIC:
|
|---|
| 96 | {
|
|---|
| 97 | TSTRTR0THREADDATA Data;
|
|---|
| 98 | RT_ZERO(Data);
|
|---|
| 99 | Data.uMagic = TSTRTR0THREADDATA_MAGIC;
|
|---|
| 100 | Data.cCounter = 127;
|
|---|
| 101 |
|
|---|
| 102 | /* Create the kernel thread. */
|
|---|
| 103 | RTR0TESTR0_CHECK_RC_BREAK(RTThreadCreate(&Data.hThread, tstRTR0ThreadCallback, &Data, 0 /* cbStack */,
|
|---|
| 104 | RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "tstRTR0Thr"), VINF_SUCCESS);
|
|---|
| 105 |
|
|---|
| 106 | /* Wait for thread to signal. */
|
|---|
| 107 | RTR0TESTR0_CHECK_RC(RTThreadUserWait(Data.hThread, 500 /* ms */), VINF_SUCCESS);
|
|---|
| 108 |
|
|---|
| 109 | /* Reset the semaphore. */
|
|---|
| 110 | RTR0TESTR0_CHECK_RC(RTThreadUserReset(Data.hThread), VINF_SUCCESS);
|
|---|
| 111 |
|
|---|
| 112 | /* Check if the thread has modified data as expected. */
|
|---|
| 113 | RTR0TESTR0_CHECK_MSG_BREAK(Data.cCounter = 196 && Data.uMagic == ~TSTRTR0THREADDATA_MAGIC,
|
|---|
| 114 | ("Thread didn't modify data as expected.\n"));
|
|---|
| 115 | break;
|
|---|
| 116 | }
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 | RTR0TESTR0_SRV_REQ_EPILOG(pReqHdr);
|
|---|
| 120 | /* The error indicator is the '!' in the message buffer. */
|
|---|
| 121 | return VINF_SUCCESS;
|
|---|
| 122 | }
|
|---|
| 123 |
|
|---|
