thread2-r0drv-solaris.c revision 80e9572d236b732774658f0fbe394946dca92d96
/* $Id$ */
/** @file
* IPRT - Threads (Part 2), Ring-0 Driver, Solaris.
*/
/*
* Copyright (C) 2006-2014 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 "the-solaris-kernel.h"
#include "internal/iprt.h"
#include <iprt/thread.h>
#include <iprt/process.h>
#include <iprt/assert.h>
#include <iprt/err.h>
#include "internal/thread.h"
DECLHIDDEN(int) rtThreadNativeInit(void)
{
return VINF_SUCCESS;
}
RTDECL(RTTHREAD) RTThreadSelf(void)
{
return rtThreadGetByNative(RTThreadNativeSelf());
}
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
{
int iPriority;
switch (enmType)
{
case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = 60; break;
case RTTHREADTYPE_EMULATION: iPriority = 66; break;
case RTTHREADTYPE_DEFAULT: iPriority = 72; break;
case RTTHREADTYPE_MSG_PUMP: iPriority = 78; break;
case RTTHREADTYPE_IO: iPriority = 84; break;
case RTTHREADTYPE_TIMER: iPriority = 99; break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
return VERR_INVALID_PARAMETER;
}
kthread_t *pCurThread = curthread;
Assert(pCurThread);
thread_lock(pCurThread);
thread_change_pri(pCurThread, iPriority, 0);
thread_unlock(pCurThread);
return VINF_SUCCESS;
}
DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
{
NOREF(pThread);
/* There is nothing special that needs doing here, but the
user really better know what he's cooking. */
return VINF_SUCCESS;
}
DECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
{
thread_join(pThread->tid);
}
DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
{
NOREF(pThread);
}
/**
* Native thread main function.
*
* @param pvThreadInt The thread structure.
*/
static void rtThreadNativeMain(void *pvThreadInt)
{
PRTTHREADINT pThreadInt = (PRTTHREADINT)pvThreadInt;
/* thread_join takes the t_did value. There seems to be no interface for
retrieving t_did, so we have to gamble on the Solaris guys not messing
up its position in the _kthread struct. We access t_intr which is
16 bytes earlier in the struct from semeventwait-r0drv-solaris.h, so
maybe we're lucky. Maybe, but experience indicates that the odds
are against us... */
pThreadInt->tid = curthread->t_did;
rtThreadMain(pThreadInt, RTThreadNativeSelf(), &pThreadInt->szName[0]);
thread_exit();
}
DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
{
kthread_t *pThread;
RT_ASSERT_PREEMPTIBLE();
pThreadInt->tid = UINT64_MAX;
pThread = thread_create(NULL, /* Stack, use base */
0, /* Stack size */
rtThreadNativeMain, /* Thread function */
pThreadInt, /* Function data */
0, /* Data size */
(proc_t *)RTR0ProcHandleSelf(), /* Process handle */
TS_RUN, /* Ready to run */
minclsyspri /* Priority */
);
if (RT_LIKELY(pThread))
{
*pNativeThread = (RTNATIVETHREAD)pThread;
return VINF_SUCCESS;
}
return VERR_OUT_OF_RESOURCES;
}