diff options
Diffstat (limited to 'src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp')
| -rw-r--r-- | src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp b/src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp new file mode 100644 index 00000000..8bbbdcf5 --- /dev/null +++ b/src/VBox/HostDrivers/Support/testcase/tstSupSem-Zombie.cpp @@ -0,0 +1,222 @@ +/* $Id: tstSupSem-Zombie.cpp $ */ +/** @file + * Support Library Testcase - Ring-3 Semaphore interface - Zombie bugs. + */ + +/* + * Copyright (C) 2009-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <VBox/sup.h> + +#include <VBox/param.h> +#include <iprt/env.h> +#include <iprt/errcore.h> +#include <iprt/initterm.h> +#include <iprt/process.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/test.h> +#include <iprt/time.h> +#include <iprt/thread.h> + + +/********************************************************************************************************************************* +* Structures and Typedefs * +*********************************************************************************************************************************/ +static PSUPDRVSESSION g_pSession; +static RTTEST g_hTest; + + + +static DECLCALLBACK(int) tstSupSemSRETimed(RTTHREAD hSelf, void *pvUser) +{ + SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser; + RTThreadUserSignal(hSelf); + int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, 120*1000); + AssertReleaseMsgFailed(("%Rrc\n", rc)); + return rc; +} + + +static DECLCALLBACK(int) tstSupSemMRETimed(RTTHREAD hSelf, void *pvUser) +{ + SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser; + RTThreadUserSignal(hSelf); + int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, 120*1000); + AssertReleaseMsgFailed(("%Rrc\n", rc)); + return rc; +} + + +static DECLCALLBACK(int) tstSupSemSREInf(RTTHREAD hSelf, void *pvUser) +{ + SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser; + RTThreadUserSignal(hSelf); + int rc = SUPSemEventWaitNoResume(g_pSession, hEvent, RT_INDEFINITE_WAIT); + AssertReleaseMsgFailed(("%Rrc\n", rc)); + return rc; +} + + +static DECLCALLBACK(int) tstSupSemMREInf(RTTHREAD hSelf, void *pvUser) +{ + SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser; + RTThreadUserSignal(hSelf); + int rc = SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, RT_INDEFINITE_WAIT); + AssertReleaseMsgFailed(("%Rrc\n", rc)); + return rc; +} + +static int mainChild(void) +{ + /* + * Init. + */ + int rc = RTR3InitExeNoArguments(RTR3INIT_FLAGS_SUPLIB); + if (RT_FAILURE(rc)) + { + RTPrintf("tstSupSem-Zombie-Child: fatal error: RTR3InitExeNoArguments failed with rc=%Rrc\n", rc); + return 1; + } + + RTTEST hTest; + rc = RTTestCreate("tstSupSem-Zombie-Child", &hTest); + if (RT_FAILURE(rc)) + { + RTPrintf("tstSupSem-Zombie-Child: fatal error: RTTestCreate failed with rc=%Rrc\n", rc); + return 1; + } + g_hTest = hTest; + + PSUPDRVSESSION pSession; + rc = SUPR3Init(&pSession); + if (RT_FAILURE(rc)) + { + RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc); + return RTTestSummaryAndDestroy(hTest); + } + g_pSession = pSession; + + /* + * A semaphore of each kind and throw a bunch of threads on them. + */ + SUPSEMEVENT hEvent = NIL_SUPSEMEVENT; + RTTESTI_CHECK_RC(rc = SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); + if (RT_SUCCESS(rc)) + { + SUPSEMEVENTMULTI hEventMulti = NIL_SUPSEMEVENT; + RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS); + if (RT_SUCCESS(rc)) + { + for (uint32_t cThreads = 0; cThreads < 5; cThreads++) + { + RTTHREAD hThread; + RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSRETimed, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMRETimed, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemSREInf, (void *)hEvent, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntSRE"), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemMREInf, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, 0 /*fFlags*/, "IntMRE"), VINF_SUCCESS); + RTThreadSleep(2); + } + RTThreadSleep(50); + + /* + * This is where the test really starts... + */ + return 0; + } + } + + return RTTestSummaryAndDestroy(hTest); +} + + +/** + * The parent main routine. + * @param argv0 The executable name (or whatever). + */ +static int mainParent(const char *argv0) +{ + /* + * Init. + */ + RTTEST hTest; + int rc = RTTestInitAndCreate("tstSupSem-Zombie", &hTest); + if (rc) + return rc; + RTTestBanner(hTest); + + /* + * Spin of the child process which may or may not turn into a zombie + */ + for (uint32_t iPass = 0; iPass < 32; iPass++) + { + RTTestSubF(hTest, "Pass %u", iPass); + + RTPROCESS hProcess; + const char *apszArgs[3] = { argv0, "--child", NULL }; + RTTESTI_CHECK_RC_OK(rc = RTProcCreate(argv0, apszArgs, RTENV_DEFAULT, 0 /*fFlags*/, &hProcess)); + if (RT_SUCCESS(rc)) + { + /* + * Wait for 60 seconds then give up. + */ + RTPROCSTATUS Status; + uint64_t StartTS = RTTimeMilliTS(); + for (;;) + { + rc = RTProcWait(hProcess, RTPROCWAIT_FLAGS_NOBLOCK, &Status); + if (RT_SUCCESS(rc)) + break; + uint64_t cElapsed = RTTimeMilliTS() - StartTS; + if (cElapsed > 60*1000) + break; + RTThreadSleep(cElapsed < 60 ? 30 : cElapsed < 200 ? 10 : 100); + } + RTTESTI_CHECK_RC_OK(rc); + if ( RT_SUCCESS(rc) + && ( Status.enmReason != RTPROCEXITREASON_NORMAL + || Status.iStatus != 0)) + { + RTTestIFailed("child %d (%#x) reason %d\n", Status.iStatus, Status.iStatus, Status.enmReason); + rc = VERR_PERMISSION_DENIED; + } + } + /* one zombie process is enough. */ + if (RT_FAILURE(rc)) + break; + } + + return RTTestSummaryAndDestroy(hTest); +} + + +int main(int argc, char **argv) +{ + if ( argc == 2 + && !strcmp(argv[1], "--child")) + return mainChild(); + return mainParent(argv[0]); +} + |