Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c b/src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c
new file mode 100644
index 00000000..a1c7aef5
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c
@@ -0,0 +1,127 @@
+/* $Id: thread-r0drv-haiku.c $ */
+/** @file
+ * IPRT - Threads, Ring-0 Driver, Haiku.
+ */
+
+/*
+ * Copyright (C) 2012-2019 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-haiku-kernel.h"
+#include "internal/iprt.h"
+#include <iprt/thread.h>
+
+#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
+#include <iprt/asm-amd64-x86.h>
+#endif
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/mp.h>
+
+
+RTDECL(RTNATIVETHREAD) RTThreadNativeSelf(void)
+{
+    return (RTNATIVETHREAD)find_thread(NULL);
+}
+
+
+RTDECL(int) RTThreadSleep(RTMSINTERVAL cMillies)
+{
+    RT_ASSERT_PREEMPTIBLE();
+    snooze((bigtime_t)cMillies * 1000);
+    return VINF_SUCCESS;
+}
+
+
+RTDECL(bool) RTThreadYield(void)
+{
+    RT_ASSERT_PREEMPTIBLE();
+    //FIXME
+    //snooze(0);
+    thread_yield(true);
+    return true; /* this is fishy */
+}
+
+
+RTDECL(bool) RTThreadPreemptIsEnabled(RTTHREAD hThread)
+{
+    Assert(hThread == NIL_RTTHREAD);
+
+    //XXX: can't do this, it might actually be held by another cpu
+    //return !B_SPINLOCK_IS_LOCKED(&gThreadSpinlock);
+    return ASMIntAreEnabled(); /** @todo find a better way. */
+}
+
+
+RTDECL(bool) RTThreadPreemptIsPending(RTTHREAD hThread)
+{
+    Assert(hThread == NIL_RTTHREAD);
+    /** @todo check if Thread::next_priority or
+     *        cpu_ent::invoke_scheduler could do. */
+    return false;
+}
+
+
+RTDECL(bool) RTThreadPreemptIsPendingTrusty(void)
+{
+    /* RTThreadPreemptIsPending is not reliable yet. */
+    return false;
+}
+
+
+RTDECL(bool) RTThreadPreemptIsPossible(void)
+{
+    /* yes, kernel preemption is possible. */
+    return true;
+}
+
+
+RTDECL(void) RTThreadPreemptDisable(PRTTHREADPREEMPTSTATE pState)
+{
+    AssertPtr(pState);
+    Assert(pState->uOldCpuState == 0);
+
+    pState->uOldCpuState = (uint32_t)disable_interrupts();
+    RT_ASSERT_PREEMPT_CPUID_DISABLE(pState);
+}
+
+
+RTDECL(void) RTThreadPreemptRestore(PRTTHREADPREEMPTSTATE pState)
+{
+    AssertPtr(pState);
+
+    RT_ASSERT_PREEMPT_CPUID_RESTORE(pState);
+    restore_interrupts((cpu_status)pState->uOldCpuState);
+    pState->uOldCpuState = 0;
+}
+
+
+RTDECL(bool) RTThreadIsInInterrupt(RTTHREAD hThread)
+{
+    Assert(hThread == NIL_RTTHREAD); NOREF(hThread);
+    /** @todo Implement RTThreadIsInInterrupt. Required for guest
+     *        additions! */
+    return !ASMIntAreEnabled();
+}
+