VirtualBox

source: vbox/trunk/src/VBox/Runtime/r0drv/darwin/thread-r0drv-darwin.cpp

Last change on this file was 98103, checked in by vboxsync, 16 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 2.7 KB
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1/* $Id: thread-r0drv-darwin.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - Threads, Ring-0 Driver, Darwin.
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#include "the-darwin-kernel.h"
42#include "internal/iprt.h"
43#include <iprt/thread.h>
44
45#include <iprt/assert.h>
46#include <iprt/errcore.h>
47
48
49
50RTDECL(RTNATIVETHREAD) RTThreadNativeSelf(void)
51{
52 return (RTNATIVETHREAD)current_thread();
53}
54
55
56static int rtR0ThreadDarwinSleepCommon(RTMSINTERVAL cMillies)
57{
58 RT_ASSERT_PREEMPTIBLE();
59 IPRT_DARWIN_SAVE_EFL_AC();
60
61 uint64_t u64Deadline;
62 clock_interval_to_deadline(cMillies, kMillisecondScale, &u64Deadline);
63 clock_delay_until(u64Deadline);
64
65 IPRT_DARWIN_RESTORE_EFL_AC();
66 return VINF_SUCCESS;
67}
68
69
70RTDECL(int) RTThreadSleep(RTMSINTERVAL cMillies)
71{
72 return rtR0ThreadDarwinSleepCommon(cMillies);
73}
74
75
76RTDECL(int) RTThreadSleepNoLog(RTMSINTERVAL cMillies)
77{
78 return rtR0ThreadDarwinSleepCommon(cMillies);
79}
80
81
82RTDECL(bool) RTThreadYield(void)
83{
84 RT_ASSERT_PREEMPTIBLE();
85 IPRT_DARWIN_SAVE_EFL_AC();
86
87 thread_block(THREAD_CONTINUE_NULL);
88
89 IPRT_DARWIN_RESTORE_EFL_AC();
90 return true; /* this is fishy */
91}
92
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