| 1 | /* $Id: thread-r0drv-linux.c 8245 2008-04-21 17:24:28Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Threads, Ring-0 Driver, Linux.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | *
|
|---|
| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 28 | * additional information or have any questions.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 | /*******************************************************************************
|
|---|
| 32 | * Header Files *
|
|---|
| 33 | *******************************************************************************/
|
|---|
| 34 | #include "the-linux-kernel.h"
|
|---|
| 35 |
|
|---|
| 36 | #include <iprt/thread.h>
|
|---|
| 37 | #include <iprt/err.h>
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | RTDECL(RTNATIVETHREAD) RTThreadNativeSelf(void)
|
|---|
| 41 | {
|
|---|
| 42 | return (RTNATIVETHREAD)current;
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 |
|
|---|
| 46 | RTDECL(int) RTThreadSleep(unsigned cMillies)
|
|---|
| 47 | {
|
|---|
| 48 | long cJiffies = msecs_to_jiffies(cMillies);
|
|---|
| 49 | set_current_state(TASK_INTERRUPTIBLE);
|
|---|
| 50 | cJiffies = schedule_timeout(cJiffies);
|
|---|
| 51 | if (!cJiffies)
|
|---|
| 52 | return VINF_SUCCESS;
|
|---|
| 53 | return VERR_INTERRUPTED;
|
|---|
| 54 | }
|
|---|
| 55 |
|
|---|
| 56 |
|
|---|
| 57 | RTDECL(bool) RTThreadYield(void)
|
|---|
| 58 | {
|
|---|
| 59 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 20)
|
|---|
| 60 | yield();
|
|---|
| 61 | #else
|
|---|
| 62 | set_current_state(TASK_RUNNING);
|
|---|
| 63 | sys_sched_yield();
|
|---|
| 64 | schedule();
|
|---|
| 65 | #endif
|
|---|
| 66 | return true;
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
