VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/win/thread-win.cpp@ 40654

Last change on this file since 40654 was 37733, checked in by vboxsync, 13 years ago

gcc 4.4.4 build fix for VBOX_WITH_EF_WRAPS=1.
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1/* $Id: thread-win.cpp 37733 2011-07-01 15:41:37Z vboxsync $ */
2/** @file
3 * IPRT - Threads, Windows.
4 */
5
6/*
7 * Copyright (C) 2006-2011 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*******************************************************************************
29* Header Files *
30*******************************************************************************/
31#define LOG_GROUP RTLOGGROUP_THREAD
32#include <Windows.h>
33
34#include <errno.h>
35#include <process.h>
36
37#include <iprt/thread.h>
38#include "internal/iprt.h"
39
40#include <iprt/asm-amd64-x86.h>
41#include <iprt/assert.h>
42#include <iprt/cpuset.h>
43#include <iprt/err.h>
44#include <iprt/log.h>
45#include <iprt/mem.h>
46#include "internal/thread.h"
47
48
49/*******************************************************************************
50* Defined Constants And Macros *
51*******************************************************************************/
52/** The TLS index allocated for storing the RTTHREADINT pointer. */
53static DWORD g_dwSelfTLS = TLS_OUT_OF_INDEXES;
54
55
56/*******************************************************************************
57* Internal Functions *
58*******************************************************************************/
59static unsigned __stdcall rtThreadNativeMain(void *pvArgs);
60
61
62DECLHIDDEN(int) rtThreadNativeInit(void)
63{
64 g_dwSelfTLS = TlsAlloc();
65 if (g_dwSelfTLS == TLS_OUT_OF_INDEXES)
66 return VERR_NO_TLS_FOR_SELF;
67 return VINF_SUCCESS;
68}
69
70
71DECLHIDDEN(void) rtThreadNativeDetach(void)
72{
73 /*
74 * Deal with alien threads.
75 */
76 PRTTHREADINT pThread = (PRTTHREADINT)TlsGetValue(g_dwSelfTLS);
77 if ( pThread
78 && (pThread->fIntFlags & RTTHREADINT_FLAGS_ALIEN))
79 {
80 rtThreadTerminate(pThread, 0);
81 TlsSetValue(g_dwSelfTLS, NULL);
82 }
83}
84
85
86DECLHIDDEN(void) rtThreadNativeDestroy(PRTTHREADINT pThread)
87{
88 if (pThread == (PRTTHREADINT)TlsGetValue(g_dwSelfTLS))
89 TlsSetValue(g_dwSelfTLS, NULL);
90
91 if ((HANDLE)pThread->hThread != INVALID_HANDLE_VALUE)
92 {
93 CloseHandle((HANDLE)pThread->hThread);
94 pThread->hThread = (uintptr_t)INVALID_HANDLE_VALUE;
95 }
96}
97
98
99DECLHIDDEN(int) rtThreadNativeAdopt(PRTTHREADINT pThread)
100{
101 if (!TlsSetValue(g_dwSelfTLS, pThread))
102 return VERR_FAILED_TO_SET_SELF_TLS;
103 return VINF_SUCCESS;
104}
105
106
107/**
108 * Bitch about dangling COM and OLE references, dispose of them
109 * afterwards so we don't end up deadlocked somewhere below
110 * OLE32!DllMain.
111 */
112static void rtThreadNativeUninitComAndOle(void)
113{
114#if 1 /* experimental code */
115 /*
116 * Read the counters.
117 */
118 struct MySOleTlsData
119 {
120 void *apvReserved0[2]; /**< x86=0x00 W7/64=0x00 */
121 DWORD adwReserved0[3]; /**< x86=0x08 W7/64=0x10 */
122 void *apvReserved1[1]; /**< x86=0x14 W7/64=0x20 */
123 DWORD cComInits; /**< x86=0x18 W7/64=0x28 */
124 DWORD cOleInits; /**< x86=0x1c W7/64=0x2c */
125 DWORD dwReserved1; /**< x86=0x20 W7/64=0x30 */
126 void *apvReserved2[4]; /**< x86=0x24 W7/64=0x38 */
127 DWORD adwReserved2[1]; /**< x86=0x34 W7/64=0x58 */
128 void *pvCurrentCtx; /**< x86=0x38 W7/64=0x60 */
129 IUnknown *pCallState; /**< x86=0x3c W7/64=0x68 */
130 } *pOleTlsData = NULL; /* outside the try/except for debugging */
131 DWORD cComInits = 0;
132 DWORD cOleInits = 0;
133 __try
134 {
135 void *pvTeb = NtCurrentTeb();
136# ifdef RT_ARCH_AMD64
137 pOleTlsData = *(struct MySOleTlsData **)((uintptr_t)pvTeb + 0x1758); /*TEB.ReservedForOle*/
138# elif RT_ARCH_X86
139 pOleTlsData = *(struct MySOleTlsData **)((uintptr_t)pvTeb + 0x0f80); /*TEB.ReservedForOle*/
140# else
141# error "Port me!"
142# endif
143 if (pOleTlsData)
144 {
145 cComInits = pOleTlsData->cComInits;
146 cOleInits = pOleTlsData->cOleInits;
147 }
148 }
149 __except(EXCEPTION_EXECUTE_HANDLER)
150 {
151 AssertFailedReturnVoid();
152 }
153
154 /*
155 * Assert sanity. If any of these breaks, the structure layout above is
156 * probably not correct any longer.
157 */
158 AssertMsgReturnVoid(cComInits < 1000, ("%u (%#x)\n", cComInits, cComInits));
159 AssertMsgReturnVoid(cOleInits < 1000, ("%u (%#x)\n", cOleInits, cOleInits));
160 AssertMsgReturnVoid(cComInits >= cOleInits, ("cComInits=%#x cOleInits=%#x\n", cComInits, cOleInits));
161
162 /*
163 * Do the uninitializing.
164 */
165 if (cComInits)
166 {
167 AssertMsgFailed(("cComInits=%u (%#x) cOleInits=%u (%#x) - dangling COM/OLE inits!\n",
168 cComInits, cComInits, cOleInits, cOleInits));
169
170 HMODULE hOle32 = GetModuleHandle("OLE32");
171 AssertReturnVoid(hOle32 != NULL);
172
173 typedef void (WINAPI *PFNOLEUNINITIALIZE)(void);
174 PFNOLEUNINITIALIZE pfnOleUninitialize = (PFNOLEUNINITIALIZE)GetProcAddress(hOle32, "OleUninitialize");
175 AssertReturnVoid(pfnOleUninitialize);
176
177 typedef void (WINAPI *PFNCOUNINITIALIZE)(void);
178 PFNCOUNINITIALIZE pfnCoUninitialize = (PFNCOUNINITIALIZE)GetProcAddress(hOle32, "CoUninitialize");
179 AssertReturnVoid(pfnCoUninitialize);
180
181 while (cOleInits-- > 0)
182 {
183 pfnOleUninitialize();
184 cComInits--;
185 }
186
187 while (cComInits-- > 0)
188 pfnCoUninitialize();
189 }
190#endif
191}
192
193
194/**
195 * Wrapper which unpacks the param stuff and calls thread function.
196 */
197static unsigned __stdcall rtThreadNativeMain(void *pvArgs)
198{
199 DWORD dwThreadId = GetCurrentThreadId();
200 PRTTHREADINT pThread = (PRTTHREADINT)pvArgs;
201
202 if (!TlsSetValue(g_dwSelfTLS, pThread))
203 AssertReleaseMsgFailed(("failed to set self TLS. lasterr=%d thread '%s'\n", GetLastError(), pThread->szName));
204
205 int rc = rtThreadMain(pThread, dwThreadId, &pThread->szName[0]);
206
207 TlsSetValue(g_dwSelfTLS, NULL);
208 rtThreadNativeUninitComAndOle();
209 _endthreadex(rc);
210 return rc;
211}
212
213
214DECLHIDDEN(int) rtThreadNativeCreate(PRTTHREADINT pThread, PRTNATIVETHREAD pNativeThread)
215{
216 AssertReturn(pThread->cbStack < ~(unsigned)0, VERR_INVALID_PARAMETER);
217
218 /*
219 * Create the thread.
220 */
221 pThread->hThread = (uintptr_t)INVALID_HANDLE_VALUE;
222 unsigned uThreadId = 0;
223 uintptr_t hThread = _beginthreadex(NULL, (unsigned)pThread->cbStack, rtThreadNativeMain, pThread, 0, &uThreadId);
224 if (hThread != 0 && hThread != ~0U)
225 {
226 pThread->hThread = hThread;
227 *pNativeThread = uThreadId;
228 return VINF_SUCCESS;
229 }
230 return RTErrConvertFromErrno(errno);
231}
232
233
234RTDECL(RTTHREAD) RTThreadSelf(void)
235{
236 PRTTHREADINT pThread = (PRTTHREADINT)TlsGetValue(g_dwSelfTLS);
237 /** @todo import alien threads ? */
238 return pThread;
239}
240
241
242#if 0 /* noone is using this ... */
243/**
244 * Returns the processor number the current thread was running on during this call
245 *
246 * @returns processor nr
247 */
248static int rtThreadGetCurrentProcessorNumber(void)
249{
250 static bool fInitialized = false;
251 static DWORD (WINAPI *pfnGetCurrentProcessorNumber)(void) = NULL;
252 if (!fInitialized)
253 {
254 HMODULE hmodKernel32 = GetModuleHandle("KERNEL32.DLL");
255 if (hmodKernel32)
256 pfnGetCurrentProcessorNumber = (DWORD (WINAPI*)(void))GetProcAddress(hmodKernel32, "GetCurrentProcessorNumber");
257 fInitialized = true;
258 }
259 if (pfnGetCurrentProcessorNumber)
260 return pfnGetCurrentProcessorNumber();
261 return -1;
262}
263#endif
264
265
266RTR3DECL(int) RTThreadSetAffinity(PCRTCPUSET pCpuSet)
267{
268 DWORD_PTR fNewMask = pCpuSet ? RTCpuSetToU64(pCpuSet) : ~(DWORD_PTR)0;
269 DWORD_PTR dwRet = SetThreadAffinityMask(GetCurrentThread(), fNewMask);
270 if (dwRet)
271 return VINF_SUCCESS;
272
273 int iLastError = GetLastError();
274 AssertMsgFailed(("SetThreadAffinityMask failed, LastError=%d\n", iLastError));
275 return RTErrConvertFromWin32(iLastError);
276}
277
278
279RTR3DECL(int) RTThreadGetAffinity(PRTCPUSET pCpuSet)
280{
281 /*
282 * Haven't found no query api, but the set api returns the old mask, so let's use that.
283 */
284 DWORD_PTR dwIgnored;
285 DWORD_PTR dwProcAff = 0;
286 if (GetProcessAffinityMask(GetCurrentProcess(), &dwProcAff, &dwIgnored))
287 {
288 HANDLE hThread = GetCurrentThread();
289 DWORD_PTR dwRet = SetThreadAffinityMask(hThread, dwProcAff);
290 if (dwRet)
291 {
292 DWORD_PTR dwSet = SetThreadAffinityMask(hThread, dwRet);
293 Assert(dwSet == dwProcAff); NOREF(dwRet);
294
295 RTCpuSetFromU64(pCpuSet, (uint64_t)dwSet);
296 return VINF_SUCCESS;
297 }
298 }
299
300 int iLastError = GetLastError();
301 AssertMsgFailed(("SetThreadAffinityMask or GetProcessAffinityMask failed, LastError=%d\n", iLastError));
302 return RTErrConvertFromWin32(iLastError);
303}
304
305
306RTR3DECL(int) RTThreadGetExecutionTimeMilli(uint64_t *pKernelTime, uint64_t *pUserTime)
307{
308 uint64_t u64CreationTime, u64ExitTime, u64KernelTime, u64UserTime;
309
310 if (GetThreadTimes(GetCurrentThread(), (LPFILETIME)&u64CreationTime, (LPFILETIME)&u64ExitTime, (LPFILETIME)&u64KernelTime, (LPFILETIME)&u64UserTime))
311 {
312 *pKernelTime = u64KernelTime / 10000; /* GetThreadTimes returns time in 100 ns units */
313 *pUserTime = u64UserTime / 10000; /* GetThreadTimes returns time in 100 ns units */
314 return VINF_SUCCESS;
315 }
316
317 int iLastError = GetLastError();
318 AssertMsgFailed(("GetThreadTimes failed, LastError=%d\n", iLastError));
319 return RTErrConvertFromWin32(iLastError);
320}
321
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