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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c')
-rw-r--r-- | src/VBox/Runtime/r0drv/haiku/thread-r0drv-haiku.c | 127 |
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(); +} + |