1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync/* $Id$ */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync/** @file
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Threads (Part 2), Ring-0 Driver, FreeBSD.
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync/*
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync *
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * Permission is hereby granted, free of charge, to any person
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * obtaining a copy of this software and associated documentation
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * files (the "Software"), to deal in the Software without
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * restriction, including without limitation the rights to use,
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * copies of the Software, and to permit persons to whom the
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * Software is furnished to do so, subject to the following
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * conditions:
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync *
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * The above copyright notice and this permission notice shall be
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * included in all copies or substantial portions of the Software.
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync *
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * OTHER DEALINGS IN THE SOFTWARE.
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync/*******************************************************************************
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync* Header Files *
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync*******************************************************************************/
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#include "the-freebsd-kernel.h"
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#include <iprt/thread.h>
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#include <iprt/err.h>
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#include <iprt/assert.h>
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#include "internal/thread.h"
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(int) rtThreadNativeInit(void)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return VINF_SUCCESS;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsyncRTDECL(RTTHREAD) RTThreadSelf(void)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return rtThreadGetByNative(RTThreadNativeSelf());
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync int iPriority;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync switch (enmType)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync {
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = PZERO + 8; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_EMULATION: iPriority = PZERO + 4; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_DEFAULT: iPriority = PZERO; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_MSG_PUMP: iPriority = PZERO - 4; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_IO: iPriority = PRIBIO; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync case RTTHREADTYPE_TIMER: iPriority = PRI_MIN_KERN; break;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync default:
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync AssertMsgFailed(("enmType=%d\n", enmType));
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return VERR_INVALID_PARAMETER;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync }
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#if __FreeBSD_version < 700000
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync /* Do like they're doing in subr_ntoskrnl.c... */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync mtx_lock_spin(&sched_lock);
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#else
b29e03c9044019d9c77222336e8f8616052824f5vboxsync thread_lock(curthread);
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#endif
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync sched_prio(curthread, iPriority);
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#if __FreeBSD_version < 600000
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync curthread->td_base_pri = iPriority;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync#endif
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#if __FreeBSD_version < 700000
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync mtx_unlock_spin(&sched_lock);
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#else
b29e03c9044019d9c77222336e8f8616052824f5vboxsync thread_unlock(curthread);
b29e03c9044019d9c77222336e8f8616052824f5vboxsync#endif
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return VINF_SUCCESS;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync NOREF(pThread);
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync /* There is nothing special that needs doing here, but the
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync user really better know what he's cooking. */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return VINF_SUCCESS;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
9ce74631b48301919057befb1e781c40cd7ecd73vboxsyncDECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync{
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync /** @todo fix RTThreadWait/RTR0Term race on freebsd. */
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync RTThreadSleep(1);
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync}
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync
9ce74631b48301919057befb1e781c40cd7ecd73vboxsync
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
fa70e1eb5ae7e299e9af4b1be88e12277f53986fvboxsync{
fa70e1eb5ae7e299e9af4b1be88e12277f53986fvboxsync NOREF(pThread);
fa70e1eb5ae7e299e9af4b1be88e12277f53986fvboxsync}
fa70e1eb5ae7e299e9af4b1be88e12277f53986fvboxsync
fa70e1eb5ae7e299e9af4b1be88e12277f53986fvboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync/**
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * Native thread main function.
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync *
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync * @param pvThreadInt The thread structure.
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync */
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsyncstatic void rtThreadNativeMain(void *pvThreadInt)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync const struct thread *Self = curthread;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync PRTTHREADINT pThreadInt = (PRTTHREADINT)pvThreadInt;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync int rc;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync rc = rtThreadMain(pThreadInt, (RTNATIVETHREAD)Self, &pThreadInt->szName[0]);
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#if __FreeBSD_version >= 800002
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync kproc_exit(rc);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#else
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync kthread_exit(rc);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#endif
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync{
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync int rc;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync struct proc *pProc;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#if __FreeBSD_version >= 800002
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync rc = kproc_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#else
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync rc = kthread_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#endif
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync if (!rc)
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync {
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync *pNativeThread = (RTNATIVETHREAD)FIRST_THREAD_IN_PROC(pProc);
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync rc = VINF_SUCCESS;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync }
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync else
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync rc = RTErrConvertFromErrno(rc);
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync return rc;
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync}
1f1986470af9f0bb750dd859b142dc2e952deb20vboxsync