tstR0ThreadPreemption.cpp revision c7814cf6e1240a519cbec0441e033d0e2470ed00
/* $Id$ */
/** @file
* IPRT R0 Testcase - Thread Preemption.
*/
/*
* Copyright (C) 2009-2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* 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 <iprt/asm-amd64-x86.h>
#include "tstR0ThreadPreemption.h"
/**
* 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.
*/
{
if (u64Arg)
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
return VERR_INVALID_PARAMETER;
*pszErr = '\0';
/*
* The big switch.
*/
switch (uOperation)
{
break;
break;
{
if (!ASMIntAreEnabled())
else if (!RTThreadPreemptIsEnabled(NIL_RTTHREAD))
else
{
else if (!ASMIntAreEnabled())
}
break;
}
{
{
if (ASMIntAreEnabled())
{
bool fPending;
do
{
cLoops++;
} while ( !fPending
if (!fPending)
else if (cLoops == 1)
else
RTStrPrintf(pszErr, cchErr, "RTThreadPreemptIsPending returned true after %'llu loops / %'llu ns / %'llu ns (sys)",
}
else
}
else
break;
}
{
{
{
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns true after 3rd RTThreadPreemptDisable");
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns true after 1st RTThreadPreemptRestore");
}
else
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns true after 2nd RTThreadPreemptDisable");
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns true after 2nd RTThreadPreemptRestore");
}
else
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns true after 1st RTThreadPreemptDisable");
RTStrPrintf(pszErr, cchErr, "!RTThreadPreemptIsEnabled returns false after 3rd RTThreadPreemptRestore");
break;
}
default:
break;
}
/* The error indicator is the '!' in the message buffer. */
return VINF_SUCCESS;
}