VirtualBox

source: vbox/trunk/src/VBox/Runtime/r0drv/freebsd/thread2-r0drv-freebsd.c@ 57276

Last change on this file since 57276 was 54358, checked in by vboxsync, 10 years ago

IPRT/R0Drv: Fix (windows & solaris) / kludge (the rest) for thread termination racing IPRT termination race in ring-0.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.3 KB
Line 
1/* $Id: thread2-r0drv-freebsd.c 54358 2015-02-22 23:29:25Z vboxsync $ */
2/** @file
3 * IPRT - Threads (Part 2), Ring-0 Driver, FreeBSD.
4 */
5
6/*
7 * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
8 *
9 * Permission is hereby granted, free of charge, to any person
10 * obtaining a copy of this software and associated documentation
11 * files (the "Software"), to deal in the Software without
12 * restriction, including without limitation the rights to use,
13 * copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following
16 * conditions:
17 *
18 * The above copyright notice and this permission notice shall be
19 * included in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31/*******************************************************************************
32* Header Files *
33*******************************************************************************/
34#include "the-freebsd-kernel.h"
35
36#include <iprt/thread.h>
37#include <iprt/err.h>
38#include <iprt/assert.h>
39
40#include "internal/thread.h"
41
42
43DECLHIDDEN(int) rtThreadNativeInit(void)
44{
45 return VINF_SUCCESS;
46}
47
48
49RTDECL(RTTHREAD) RTThreadSelf(void)
50{
51 return rtThreadGetByNative(RTThreadNativeSelf());
52}
53
54
55DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType)
56{
57 int iPriority;
58
59 switch (enmType)
60 {
61 case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = PZERO + 8; break;
62 case RTTHREADTYPE_EMULATION: iPriority = PZERO + 4; break;
63 case RTTHREADTYPE_DEFAULT: iPriority = PZERO; break;
64 case RTTHREADTYPE_MSG_PUMP: iPriority = PZERO - 4; break;
65 case RTTHREADTYPE_IO: iPriority = PRIBIO; break;
66 case RTTHREADTYPE_TIMER: iPriority = PRI_MIN_KERN; break;
67 default:
68 AssertMsgFailed(("enmType=%d\n", enmType));
69 return VERR_INVALID_PARAMETER;
70 }
71
72#if __FreeBSD_version < 700000
73 /* Do like they're doing in subr_ntoskrnl.c... */
74 mtx_lock_spin(&sched_lock);
75#else
76 thread_lock(curthread);
77#endif
78 sched_prio(curthread, iPriority);
79#if __FreeBSD_version < 600000
80 curthread->td_base_pri = iPriority;
81#endif
82#if __FreeBSD_version < 700000
83 mtx_unlock_spin(&sched_lock);
84#else
85 thread_unlock(curthread);
86#endif
87
88 return VINF_SUCCESS;
89}
90
91
92DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
93{
94 NOREF(pThread);
95 /* There is nothing special that needs doing here, but the
96 user really better know what he's cooking. */
97 return VINF_SUCCESS;
98}
99
100
101DECLHIDDEN(void) rtThreadNativeWaitKludge(PRTTHREADINT pThread)
102{
103 /** @todo fix RTThreadWait/RTR0Term race on freebsd. */
104 RTThreadSleep(1);
105}
106
107
108DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
109{
110 NOREF(pThread);
111}
112
113
114/**
115 * Native thread main function.
116 *
117 * @param pvThreadInt The thread structure.
118 */
119static void rtThreadNativeMain(void *pvThreadInt)
120{
121 const struct thread *Self = curthread;
122 PRTTHREADINT pThreadInt = (PRTTHREADINT)pvThreadInt;
123 int rc;
124
125 rc = rtThreadMain(pThreadInt, (RTNATIVETHREAD)Self, &pThreadInt->szName[0]);
126
127#if __FreeBSD_version >= 800002
128 kproc_exit(rc);
129#else
130 kthread_exit(rc);
131#endif
132}
133
134
135DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThreadInt, PRTNATIVETHREAD pNativeThread)
136{
137 int rc;
138 struct proc *pProc;
139
140#if __FreeBSD_version >= 800002
141 rc = kproc_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
142#else
143 rc = kthread_create(rtThreadNativeMain, pThreadInt, &pProc, RFHIGHPID, 0, "%s", pThreadInt->szName);
144#endif
145 if (!rc)
146 {
147 *pNativeThread = (RTNATIVETHREAD)FIRST_THREAD_IN_PROC(pProc);
148 rc = VINF_SUCCESS;
149 }
150 else
151 rc = RTErrConvertFromErrno(rc);
152 return rc;
153}
154
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