initterm-r0drv-darwin.cpp revision ed85baab9ddb62c27569ca61545c8232e8251383
310012debe183162f12f7b67d7c59639b249af75vboxsync/* $Id$ */
310012debe183162f12f7b67d7c59639b249af75vboxsync/** @file
e2a742da3fbd4b04860305ed39b001a0140a65a3vboxsync * IPRT - Initialization & Termination, R0 Driver, Darwin.
1bb2e7ef5f99f9cb24c39d05f5fa0388085c80bcvboxsync */
1bb2e7ef5f99f9cb24c39d05f5fa0388085c80bcvboxsync
1bb2e7ef5f99f9cb24c39d05f5fa0388085c80bcvboxsync/*
e2a742da3fbd4b04860305ed39b001a0140a65a3vboxsync * Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-darwin-kernel.h"
#include <iprt/err.h>
#include <iprt/assert.h>
#include "internal/initterm.h"
/*******************************************************************************
* Global Variables *
*******************************************************************************/
/** Pointer to the lock group used by IPRT. */
lck_grp_t *g_pDarwinLockGroup = NULL;
int rtR0InitNative(void)
{
/*
* Create the lock group.
*/
g_pDarwinLockGroup = lck_grp_alloc_init("IPRT", LCK_GRP_ATTR_NULL);
AssertReturn(g_pDarwinLockGroup, VERR_NO_MEMORY);
/*
* Initialize the preemption hacks.
*/
int rc = rtThreadPreemptDarwinInit();
if (RT_FAILURE(rc))
rtR0TermNative();
return rc;
}
void rtR0TermNative(void)
{
/*
* Preemption hacks before the lock group.
*/
rtThreadPreemptDarwinTerm();
/*
* Free the lock group.
*/
if (g_pDarwinLockGroup)
{
lck_grp_free(g_pDarwinLockGroup);
g_pDarwinLockGroup = NULL;
}
}