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/* $Id: thread2-r0drv-solaris.c $ */
/** @file
* IPRT - Threads (Part 2), Ring-0 Driver, Solaris.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* 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/errcore.h>
#include "internal/thread.h"
#define SOL_THREAD_ID_PTR ((uint64_t *)((char *)curthread + g_offrtSolThreadId))
#define SOL_THREAD_LOCKP_PTR ((disp_lock_t **)((char *)curthread + g_offrtSolThreadLock))
DECLHIDDEN(int) rtThreadNativeInit(void)
{
return VINF_SUCCESS;
}
RTDECL(RTTHREAD) RTThreadSelf(void)
{
return rtThreadGetByNative(RTThreadNativeSelf());
}
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
{
int iPriority;
disp_lock_t **ppDispLock;
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;
}
Assert(curthread);
thread_lock(curthread);
thread_change_pri(curthread, iPriority, 0);
/*
* thread_unlock() is a macro calling disp_lock_exit() with the thread's dispatcher lock.
* We need to dereference the offset manually here (for S10, S11 compatibility) rather than
* using the macro.
*/
ppDispLock = SOL_THREAD_LOCKP_PTR;
disp_lock_exit(*ppDispLock);
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;
AssertCompile(sizeof(kt_did_t) == sizeof(pThreadInt->tid));
uint64_t *pu64ThrId = SOL_THREAD_ID_PTR;
pThreadInt->tid = *pu64ThrId;
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 */
&p0, /* Process 0 handle */
TS_RUN, /* Ready to run */
minclsyspri /* Priority */
);
if (RT_LIKELY(pThread))
{
*pNativeThread = (RTNATIVETHREAD)pThread;
return VINF_SUCCESS;
}
return VERR_OUT_OF_RESOURCES;
}
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