thread-r0drv-linux.c revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
/* $Id$ */
/** @file
* InnoTek Portable Runtime - Threads, Ring-0 Driver, Linux.
*/
/*
* Copyright (C) 2006 InnoTek Systemberatung GmbH
*
* 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 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.
*
* If you received this file as part of a commercial VirtualBox
* distribution, then only the terms of your commercial VirtualBox
* license agreement apply instead of the previous paragraph.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-linux-kernel.h"
#include <iprt/thread.h>
#include <iprt/err.h>
RTDECL(RTTHREAD) RTThreadSelf(void)
{
return (RTTHREAD)current;
}
RTDECL(int) RTThreadSleep(unsigned cMillies)
{
long cJiffies = msecs_to_jiffies(cMillies);
set_current_state(TASK_INTERRUPTIBLE);
cJiffies = schedule_timeout(cJiffies);
if (!cJiffies)
return VINF_SUCCESS;
return VERR_INTERRUPTED;
}
RTDECL(bool) RTThreadYield(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 4, 20)
yield();
#else
set_current_state(TASK_RUNNING);
sys_sched_yield();
schedule();
#endif
return true;
}