1 files changed, 92 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/darwin/thread-r0drv-darwin.cpp b/src/VBox/Runtime/r0drv/darwin/thread-r0drv-darwin.cpp
new file mode 100644
index 00000000..66f51a51
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/darwin/thread-r0drv-darwin.cpp
@@ -0,0 +1,92 @@
+/* $Id: thread-r0drv-darwin.cpp $ */
+/** @file
+ * IPRT - Threads, Ring-0 Driver, Darwin.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program 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 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "the-darwin-kernel.h"
+#include "internal/iprt.h"
+#include <iprt/thread.h>
+
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+
+
+
+RTDECL(RTNATIVETHREAD) RTThreadNativeSelf(void)
+{
+    return (RTNATIVETHREAD)current_thread();
+}
+
+
+static int rtR0ThreadDarwinSleepCommon(RTMSINTERVAL cMillies)
+{
+    RT_ASSERT_PREEMPTIBLE();
+    IPRT_DARWIN_SAVE_EFL_AC();
+
+    uint64_t u64Deadline;
+    clock_interval_to_deadline(cMillies, kMillisecondScale, &u64Deadline);
+    clock_delay_until(u64Deadline);
+
+    IPRT_DARWIN_RESTORE_EFL_AC();
+    return VINF_SUCCESS;
+}
+
+
+RTDECL(int) RTThreadSleep(RTMSINTERVAL cMillies)
+{
+    return rtR0ThreadDarwinSleepCommon(cMillies);
+}
+
+
+RTDECL(int) RTThreadSleepNoLog(RTMSINTERVAL cMillies)
+{
+    return rtR0ThreadDarwinSleepCommon(cMillies);
+}
+
+
+RTDECL(bool) RTThreadYield(void)
+{
+    RT_ASSERT_PREEMPTIBLE();
+    IPRT_DARWIN_SAVE_EFL_AC();
+
+    thread_block(THREAD_CONTINUE_NULL);
+
+    IPRT_DARWIN_RESTORE_EFL_AC();
+    return true; /* this is fishy */
+}
+