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/* $Id: tstSupSem-Zombie.cpp $ */
/** @file
* Support Library Testcase - Ring-3 Semaphore interface - Zombie bugs.
*/
/*
* Copyright (C) 2009-2019 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]);
}
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