| 1 | /* $Id: thread2-r0drv-haiku.c 43403 2012-09-22 11:48:24Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Threads (Part 2), Ring-0 Driver, Haiku.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include "the-haiku-kernel.h"
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| 32 | #include "internal/iprt.h"
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| 33 | #include <iprt/thread.h>
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| 34 |
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| 35 | #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
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| 36 | #include <iprt/asm-amd64-x86.h>
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| 37 | #endif
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| 38 | #include <iprt/assert.h>
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| 39 | #include <iprt/err.h>
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| 40 | #include "internal/thread.h"
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| 41 |
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| 42 |
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| 43 | int rtThreadNativeInit(void)
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| 44 | {
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| 45 | /* No TLS in Ring-0. :-/ */
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| 46 | return VINF_SUCCESS;
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| 47 | }
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| 48 |
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| 49 |
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| 50 | RTDECL(RTTHREAD) RTThreadSelf(void)
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| 51 | {
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| 52 | return rtThreadGetByNative((RTNATIVETHREAD)find_thread(NULL));
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| 53 | }
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| 54 |
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| 55 |
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| 56 | int rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
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| 57 | {
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| 58 | int32 iPriority;
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| 59 | status_t status;
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| 60 |
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| 61 | /*
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| 62 | * Convert the priority type to native priorities.
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| 63 | * (This is quite naive but should be ok.)
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| 64 | */
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| 65 | switch (enmType)
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| 66 | {
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| 67 | case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = B_LOWEST_ACTIVE_PRIORITY; break;
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| 68 | case RTTHREADTYPE_EMULATION: iPriority = B_LOW_PRIORITY; break;
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| 69 | case RTTHREADTYPE_DEFAULT: iPriority = B_NORMAL_PRIORITY; break;
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| 70 | case RTTHREADTYPE_MSG_PUMP: iPriority = B_DISPLAY_PRIORITY; break;
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| 71 | case RTTHREADTYPE_IO: iPriority = B_URGENT_DISPLAY_PRIORITY; break;
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| 72 | case RTTHREADTYPE_TIMER: iPriority = B_REAL_TIME_DISPLAY_PRIORITY; break;
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| 73 | default:
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| 74 | AssertMsgFailed(("enmType=%d\n", enmType));
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| 75 | return VERR_INVALID_PARAMETER;
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| 76 | }
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| 77 |
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| 78 | status = set_thread_priority((thread_id)pThread->Core.Key, iPriority);
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| 79 |
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| 80 | return RTErrConvertFromHaikuKernReturn(status);
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| 81 | }
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| 82 |
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| 83 |
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| 84 | int rtThreadNativeAdopt(PRTTHREADINT pThread)
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| 85 | {
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| 86 | return VERR_NOT_IMPLEMENTED;
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| 87 | }
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| 88 |
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| 89 |
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| 90 | void rtThreadNativeDestroy(PRTTHREADINT pThread)
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| 91 | {
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| 92 | NOREF(pThread);
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| 93 | }
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| 94 |
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| 95 |
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| 96 | /**
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| 97 | * Native kernel thread wrapper function.
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| 98 | *
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| 99 | * This will forward to rtThreadMain and do termination upon return.
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| 100 | *
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| 101 | * @param pvArg Pointer to the argument package.
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| 102 | * @param Ignored Wait result, which we ignore.
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| 103 | */
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| 104 | static status_t rtThreadNativeMain(void *pvArg)
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| 105 | {
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| 106 | const thread_id Self = find_thread(NULL);
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| 107 | PRTTHREADINT pThread = (PRTTHREADINT)pvArg;
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| 108 |
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| 109 | int rc = rtThreadMain(pThread, (RTNATIVETHREAD)Self, &pThread->szName[0]);
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| 110 |
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| 111 | if (rc < 0)
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| 112 | return RTErrConvertFromHaikuKernReturn(rc);
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| 113 | return rc;
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| 114 | }
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| 115 |
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| 116 |
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| 117 | int rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
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| 118 | {
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| 119 | thread_id NativeThread;
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| 120 | RT_ASSERT_PREEMPTIBLE();
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| 121 |
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| 122 | NativeThread = spawn_kernel_thread(rtThreadNativeMain, pThreadInt->szName, B_NORMAL_PRIORITY, pThreadInt);
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| 123 | if (NativeThread >= B_OK)
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| 124 | {
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| 125 | resume_thread(NativeThread);
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| 126 | *pNativeThread = (RTNATIVETHREAD)NativeThread;
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| 127 | return VINF_SUCCESS;
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| 128 | }
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| 129 | return RTErrConvertFromHaikuKernReturn(NativeThread);
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| 130 | }
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| 131 |
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