1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* $Id: thread2-r0drv-freebsd.c $ */
/** @file
* IPRT - Threads (Part 2), Ring-0 Driver, FreeBSD.
*/
/*
* Contributed by knut st. osmundsen.
*
* Copyright (C) 2007-2020 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.
* --------------------------------------------------------------------
*
* This code is based on:
*
* Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "the-freebsd-kernel.h"
#include <iprt/thread.h>
#include <iprt/errcore.h>
#include <iprt/assert.h>
#include "internal/thread.h"
DECLHIDDEN(int) rtThreadNativeInit(void)
{
return VINF_SUCCESS;
}
RTDECL(RTTHREAD) RTThreadSelf(void)
{
return rtThreadGetByNative(RTThreadNativeSelf());
}
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
{
int iPriority;
switch (enmType)
{
case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = PZERO + 8; break;
case RTTHREADTYPE_EMULATION: iPriority = PZERO + 4; break;
case RTTHREADTYPE_DEFAULT: iPriority = PZERO; break;
case RTTHREADTYPE_MSG_PUMP: iPriority = PZERO - 4; break;
case RTTHREADTYPE_IO: iPriority = PRIBIO; break;
case RTTHREADTYPE_TIMER: iPriority = PRI_MIN_KERN; break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
return VERR_INVALID_PARAMETER;
}
#if __FreeBSD_version < 700000
/* Do like they're doing in subr_ntoskrnl.c... */
mtx_lock_spin(&sched_lock);
#else
thread_lock(curthread);
#endif
sched_prio(curthread, iPriority);
#if __FreeBSD_version < 600000
curthread->td_base_pri = iPriority;
#endif
#if __FreeBSD_version < 700000
mtx_unlock_spin(&sched_lock);
#else
thread_unlock(curthread);
#endif
return VINF_SUCCESS;
}
DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
{
NOREF(pThread);
/* There is nothing special that needs doing here, but the
user really better know what he's cooking. */
return VINF_SUCCESS;
}
DECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
{
/** @todo fix RTThreadWait/RTR0Term race on freebsd. */
RTThreadSleep(1);
}
DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
{
NOREF(pThread);
}
/**
* Native thread main function.
*
* @param pvThreadInt The thread structure.
*/
static void rtThreadNativeMain(void *pvThreadInt)
{
const struct thread *Self = curthread;
PRTTHREADINT pThreadInt = (PRTTHREADINT)pvThreadInt;
int rc;
rc = rtThreadMain(pThreadInt, (RTNATIVETHREAD)Self, &pThreadInt->szName[0]);
#if __FreeBSD_version >= 800002
kproc_exit(rc);
#else
kthread_exit(rc);
#endif
}
DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
{
int rc;
struct proc *pProc;
#if __FreeBSD_version >= 800002
rc = kproc_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#else
rc = kthread_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
#endif
if (!rc)
{
*pNativeThread = (RTNATIVETHREAD)FIRST_THREAD_IN_PROC(pProc);
rc = VINF_SUCCESS;
}
else
rc = RTErrConvertFromErrno(rc);
return rc;
}
|
