| 1 | /* $Id: initterm-r0drv-darwin.cpp 36555 2011-04-05 12:34:09Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Initialization & Termination, R0 Driver, Darwin.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 Oracle Corporation
|
|---|
| 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 |
|
|---|
| 27 |
|
|---|
| 28 | /*******************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *******************************************************************************/
|
|---|
| 31 | #include "the-darwin-kernel.h"
|
|---|
| 32 | #include "internal/iprt.h"
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/err.h>
|
|---|
| 35 | #include <iprt/assert.h>
|
|---|
| 36 | #include "internal/initterm.h"
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | /*******************************************************************************
|
|---|
| 40 | * Global Variables *
|
|---|
| 41 | *******************************************************************************/
|
|---|
| 42 | /** Pointer to the lock group used by IPRT. */
|
|---|
| 43 | lck_grp_t *g_pDarwinLockGroup = NULL;
|
|---|
| 44 |
|
|---|
| 45 |
|
|---|
| 46 | DECLHIDDEN(int) rtR0InitNative(void)
|
|---|
| 47 | {
|
|---|
| 48 | /*
|
|---|
| 49 | * Create the lock group.
|
|---|
| 50 | */
|
|---|
| 51 | g_pDarwinLockGroup = lck_grp_alloc_init("IPRT", LCK_GRP_ATTR_NULL);
|
|---|
| 52 | AssertReturn(g_pDarwinLockGroup, VERR_NO_MEMORY);
|
|---|
| 53 |
|
|---|
| 54 | /*
|
|---|
| 55 | * Initialize the preemption hacks.
|
|---|
| 56 | */
|
|---|
| 57 | int rc = rtThreadPreemptDarwinInit();
|
|---|
| 58 | if (RT_FAILURE(rc))
|
|---|
| 59 | rtR0TermNative();
|
|---|
| 60 |
|
|---|
| 61 | return rc;
|
|---|
| 62 | }
|
|---|
| 63 |
|
|---|
| 64 |
|
|---|
| 65 | DECLHIDDEN(void) rtR0TermNative(void)
|
|---|
| 66 | {
|
|---|
| 67 | /*
|
|---|
| 68 | * Preemption hacks before the lock group.
|
|---|
| 69 | */
|
|---|
| 70 | rtThreadPreemptDarwinTerm();
|
|---|
| 71 |
|
|---|
| 72 | /*
|
|---|
| 73 | * Free the lock group.
|
|---|
| 74 | */
|
|---|
| 75 | if (g_pDarwinLockGroup)
|
|---|
| 76 | {
|
|---|
| 77 | lck_grp_free(g_pDarwinLockGroup);
|
|---|
| 78 | g_pDarwinLockGroup = NULL;
|
|---|
| 79 | }
|
|---|
| 80 | }
|
|---|
| 81 |
|
|---|
