thread-r0drv-solaris.c revision 257de41d6538efed2a3741b7669531fcf6a50823
/* $Id$ */
/** @file
* IPRT - Threads, Ring-0 Driver, Solaris.
*/
/*
* Copyright (C) 2006-2009 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 "the-solaris-kernel.h"
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
# include <iprt/asm-amd64-x86.h>
#endif
{
return (RTNATIVETHREAD)curthread;
}
{
if (!cMillies)
{
return VINF_SUCCESS;
}
if (cMillies != RT_INDEFINITE_WAIT)
else
cTicks = 0;
return VINF_SUCCESS;
}
{
return rtR0ThreadSolSleepCommon(cMillies);
}
{
return rtR0ThreadSolSleepCommon(cMillies);
}
RTDECL(bool) RTThreadYield(void)
{
char cThreadPreempt = SOL_THREAD_PREEMPT;
char cForcePreempt = SOL_CPU_KPRUNRUN;
bool fWillYield = false;
/*
* If we are the last preemption enabler for this thread and if force
* preemption is set on the CPU, only then we are guaranteed to be preempted.
*/
fWillYield = true;
return fWillYield;
}
{
if (RT_UNLIKELY(g_frtSolInitDone == false))
{
return true;
}
bool fThreadPreempt = false;
if (SOL_THREAD_PREEMPT == 0)
fThreadPreempt = true;
if (!fThreadPreempt)
return false;
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
if (!ASMIntAreEnabled())
return false;
#endif
if (getpil() >= DISP_LEVEL)
return false;
return true;
}
{
char cPreempt = SOL_CPU_RUNRUN;
char cForcePreempt = SOL_CPU_KPRUNRUN;
return (cPreempt != 0 || cForcePreempt != 0);
}
RTDECL(bool) RTThreadPreemptIsPendingTrusty(void)
{
/* yes, RTThreadPreemptIsPending is reliable. */
return true;
}
RTDECL(bool) RTThreadPreemptIsPossible(void)
{
/* yes, kernel preemption is possible. */
return true;
}
{
}
{
if (--SOL_THREAD_PREEMPT == 0 && SOL_CPU_RUNRUN != 0)
}
{
return servicing_interrupt() ? true : false;
}