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/* $Id: thread2-r0drv-haiku.c $ */
/** @file
* IPRT - Threads (Part 2), Ring-0 Driver, Haiku.
*/
/*
* Copyright (C) 2012-2020 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-haiku-kernel.h"
#include "internal/iprt.h"
#include <iprt/thread.h>
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
#include <iprt/asm-amd64-x86.h>
#endif
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include "internal/thread.h"
DECLHIDDEN(int) rtThreadNativeInit(void)
{
/* No TLS in Ring-0. :-/ */
return VINF_SUCCESS;
}
RTDECL(RTTHREAD) RTThreadSelf(void)
{
return rtThreadGetByNative((RTNATIVETHREAD)find_thread(NULL));
}
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
{
int32 iPriority;
status_t status;
/*
* Convert the priority type to native priorities.
* (This is quite naive but should be ok.)
*/
switch (enmType)
{
case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = B_LOWEST_ACTIVE_PRIORITY; break;
case RTTHREADTYPE_EMULATION: iPriority = B_LOW_PRIORITY; break;
case RTTHREADTYPE_DEFAULT: iPriority = B_NORMAL_PRIORITY; break;
case RTTHREADTYPE_MSG_PUMP: iPriority = B_DISPLAY_PRIORITY; break;
case RTTHREADTYPE_IO: iPriority = B_URGENT_DISPLAY_PRIORITY; break;
case RTTHREADTYPE_TIMER: iPriority = B_REAL_TIME_DISPLAY_PRIORITY; break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
return VERR_INVALID_PARAMETER;
}
status = set_thread_priority((thread_id)pThread->Core.Key, iPriority);
return RTErrConvertFromHaikuKernReturn(status);
}
DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
{
return VERR_NOT_IMPLEMENTED;
}
DECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
{
/** @todo fix RTThreadWait/RTR0Term race on freebsd. */
RTThreadSleep(1);
}
DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
{
NOREF(pThread);
}
/**
* Native kernel thread wrapper function.
*
* This will forward to rtThreadMain and do termination upon return.
*
* @param pvArg Pointer to the argument package.
* @param Ignored Wait result, which we ignore.
*/
static status_t rtThreadNativeMain(void *pvArg)
{
const thread_id Self = find_thread(NULL);
PRTTHREADINT pThread = (PRTTHREADINT)pvArg;
int rc = rtThreadMain(pThread, (RTNATIVETHREAD)Self, &pThread->szName[0]);
if (rc < 0)
return RTErrConvertFromHaikuKernReturn(rc);
return rc;
}
DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
{
thread_id NativeThread;
RT_ASSERT_PREEMPTIBLE();
NativeThread = spawn_kernel_thread(rtThreadNativeMain, pThreadInt->szName, B_NORMAL_PRIORITY, pThreadInt);
if (NativeThread >= B_OK)
{
resume_thread(NativeThread);
*pNativeThread = (RTNATIVETHREAD)NativeThread;
return VINF_SUCCESS;
}
return RTErrConvertFromHaikuKernReturn(NativeThread);
}
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