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/* $Id: thread2-r0drv-freebsd.c $ */
/** @file
* IPRT - Threads (Part 2), Ring-0 Driver, FreeBSD.
*/
/*
* Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "the-freebsd-kernel.h"
#include <iprt/thread.h>
#include <iprt/errcore.h>
#include <iprt/assert.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 = PZERO + 8; break;
case RTTHREADTYPE_EMULATION: iPriority = PZERO + 4; break;
case RTTHREADTYPE_DEFAULT: iPriority = PZERO; break;
case RTTHREADTYPE_MSG_PUMP: iPriority = PZERO - 4; break;
case RTTHREADTYPE_IO: iPriority = PRIBIO; break;
case RTTHREADTYPE_TIMER: iPriority = PRI_MIN_KERN; break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
return VERR_INVALID_PARAMETER;
}
#if __FreeBSD_version < 700000
/* Do like they're doing in subr_ntoskrnl.c... */
mtx_lock_spin(&sched_lock);
#else
thread_lock(curthread);
#endif
sched_prio(curthread, iPriority);
#if __FreeBSD_version < 600000
curthread->td_base_pri = iPriority;
#endif
#if __FreeBSD_version < 700000
mtx_unlock_spin(&sched_lock);
#else
thread_unlock(curthread);
#endif
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)
{
/** @todo fix RTThreadWait/RTR0Term race on freebsd. */
RTThreadSleep(1);
}
DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
{
NOREF(pThread);
}
/**
* Native thread main function.
*
* @param pvThreadInt The thread structure.
*/
static void rtThreadNativeMain(void *pvThreadInt)
{
const struct thread *Self = curthread;
PRTTHREADINT pThreadInt = (PRTTHREADINT)pvThreadInt;
int rc;
rc = rtThreadMain(pThreadInt, (RTNATIVETHREAD)Self, &pThreadInt->szName[0]);
#if __FreeBSD_version >= 800002
kproc_exit(rc);
#else
kthread_exit(rc);
#endif
}
DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
{
int rc;
struct proc *pProc;
#if __FreeBSD_version >= 800002
rc = kproc_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#else
rc = kthread_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#endif
if (!rc)
{
*pNativeThread = (RTNATIVETHREAD)FIRST_THREAD_IN_PROC(pProc);
rc = VINF_SUCCESS;
}
else
rc = RTErrConvertFromErrno(rc);
return rc;
}
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