1 files changed, 82 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..c7545d15
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/darwin/thread-r0drv-darwin.cpp
@@ -0,0 +1,82 @@
+/* $Id: thread-r0drv-darwin.cpp $ */
+/** @file
+ * IPRT - Threads, Ring-0 Driver, Darwin.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   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 */
+}
+