Mercurial > hg > truffle
annotate src/os/windows/vm/os_windows.hpp @ 17716:cdb71841f4bc
6498581: ThreadInterruptTest3 produces wrong output on Windows
Summary: There is race condition between os::interrupt and os::is_interrupted on Windows. In JVM_Sleep(Thread.sleep), check if thread gets interrupted, it may see interrupted but not really interrupted so cause spurious waking up (early return from sleep). Fix by checking if interrupt event really gets set thus prevent false return. For intrinsic of _isInterrupted, on Windows, go fastpath only on bit not set.
Reviewed-by: acorn, kvn
Contributed-by: david.holmes@oracle.com, yumin.qi@oracle.com
author | minqi |
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date | Wed, 26 Feb 2014 15:20:41 -0800 |
parents | 5e3b6f79d280 |
children | b0133e4187d3 6c9332549827 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP |
26 #define OS_WINDOWS_VM_OS_WINDOWS_HPP | |
0 | 27 // Win32_OS defines the interface to windows operating systems |
28 | |
29 class win32 { | |
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30 friend class os; |
0 | 31 |
32 protected: | |
33 static int _vm_page_size; | |
34 static int _vm_allocation_granularity; | |
35 static int _processor_type; | |
36 static int _processor_level; | |
37 static julong _physical_memory; | |
38 static size_t _default_stack_size; | |
39 static bool _is_nt; | |
389
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40 static bool _is_windows_2003; |
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41 static bool _is_windows_server; |
0 | 42 |
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43 static void print_windows_version(outputStream* st); |
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44 |
0 | 45 public: |
46 // Windows-specific interface: | |
47 static void initialize_system_info(); | |
48 static void setmode_streams(); | |
49 | |
50 // Processor info as provided by NT | |
51 static int processor_type() { return _processor_type; } | |
52 // Processor level may not be accurate on non-NT systems | |
53 static int processor_level() { | |
54 assert(is_nt(), "use vm_version instead"); | |
55 return _processor_level; | |
56 } | |
57 static julong available_memory(); | |
58 static julong physical_memory() { return _physical_memory; } | |
59 | |
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60 // load dll from Windows system directory or Windows directory |
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61 static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen); |
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62 |
0 | 63 public: |
64 // Generic interface: | |
65 | |
66 // Trace number of created threads | |
67 static intx _os_thread_limit; | |
68 static volatile intx _os_thread_count; | |
69 | |
70 // Tells whether the platform is NT or Windown95 | |
71 static bool is_nt() { return _is_nt; } | |
72 | |
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73 // Tells whether this is a server version of Windows |
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74 static bool is_windows_server() { return _is_windows_server; } |
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75 |
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76 // Tells whether the platform is Windows 2003 |
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77 static bool is_windows_2003() { return _is_windows_2003; } |
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78 |
0 | 79 // Returns the byte size of a virtual memory page |
80 static int vm_page_size() { return _vm_page_size; } | |
81 | |
82 // Returns the size in bytes of memory blocks which can be allocated. | |
83 static int vm_allocation_granularity() { return _vm_allocation_granularity; } | |
84 | |
85 // Read the headers for the executable that started the current process into | |
86 // the structure passed in (see winnt.h). | |
87 static void read_executable_headers(PIMAGE_NT_HEADERS); | |
88 | |
89 // Default stack size for the current process. | |
90 static size_t default_stack_size() { return _default_stack_size; } | |
91 | |
92 #ifndef _WIN64 | |
93 // A wrapper to install a structured exception handler for fast JNI accesors. | |
94 static address fast_jni_accessor_wrapper(BasicType); | |
95 #endif | |
96 | |
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97 #ifndef PRODUCT |
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98 static void call_test_func_with_wrapper(void (*funcPtr)(void)); |
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99 #endif |
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100 |
0 | 101 // filter function to ignore faults on serializations page |
102 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e); | |
103 }; | |
104 | |
11151 | 105 /* |
106 * Crash protection for the watcher thread. Wrap the callback | |
107 * with a __try { call() } | |
108 * To be able to use this - don't take locks, don't rely on destructors, | |
109 * don't make OS library calls, don't allocate memory, don't print, | |
110 * don't call code that could leave the heap / memory in an inconsistent state, | |
111 * or anything else where we are not in control if we suddenly jump out. | |
112 */ | |
113 class WatcherThreadCrashProtection : public StackObj { | |
114 public: | |
115 WatcherThreadCrashProtection(); | |
116 bool call(os::CrashProtectionCallback& cb); | |
117 }; | |
118 | |
6197 | 119 class PlatformEvent : public CHeapObj<mtInternal> { |
0 | 120 private: |
121 double CachePad [4] ; // increase odds that _Event is sole occupant of cache line | |
122 volatile int _Event ; | |
123 HANDLE _ParkHandle ; | |
124 | |
125 public: // TODO-FIXME: make dtor private | |
126 ~PlatformEvent() { guarantee (0, "invariant") ; } | |
127 | |
128 public: | |
129 PlatformEvent() { | |
130 _Event = 0 ; | |
131 _ParkHandle = CreateEvent (NULL, false, false, NULL) ; | |
132 guarantee (_ParkHandle != NULL, "invariant") ; | |
133 } | |
134 | |
135 // Exercise caution using reset() and fired() - they may require MEMBARs | |
136 void reset() { _Event = 0 ; } | |
137 int fired() { return _Event; } | |
138 void park () ; | |
139 void unpark () ; | |
140 int park (jlong millis) ; | |
141 } ; | |
142 | |
143 | |
144 | |
6197 | 145 class PlatformParker : public CHeapObj<mtInternal> { |
0 | 146 protected: |
147 HANDLE _ParkEvent ; | |
148 | |
149 public: | |
150 ~PlatformParker () { guarantee (0, "invariant") ; } | |
151 PlatformParker () { | |
152 _ParkEvent = CreateEvent (NULL, true, false, NULL) ; | |
153 guarantee (_ParkEvent != NULL, "invariant") ; | |
154 } | |
155 | |
156 } ; | |
1972 | 157 |
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158 // JDK7 requires VS2010 |
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159 #if _MSC_VER < 1600 |
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160 #define JDK6_OR_EARLIER 1 |
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161 #endif |
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162 |
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163 |
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164 |
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165 class WinSock2Dll: AllStatic { |
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166 public: |
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167 static BOOL WSAStartup(WORD, LPWSADATA); |
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168 static struct hostent* gethostbyname(const char *name); |
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169 static BOOL WinSock2Available(); |
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170 #ifdef JDK6_OR_EARLIER |
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171 private: |
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172 static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA); |
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173 static struct hostent *(PASCAL FAR *_gethostbyname)(...); |
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174 static BOOL initialized; |
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175 |
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176 static void initialize(); |
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177 #endif |
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178 }; |
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179 |
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180 class Kernel32Dll: AllStatic { |
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181 public: |
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182 static BOOL SwitchToThread(); |
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183 static SIZE_T GetLargePageMinimum(); |
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184 |
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185 static BOOL SwitchToThreadAvailable(); |
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186 static BOOL GetLargePageMinimumAvailable(); |
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187 |
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188 // Help tools |
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189 static BOOL HelpToolsAvailable(); |
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190 static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD); |
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191 static BOOL Module32First(HANDLE,LPMODULEENTRY32); |
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192 static BOOL Module32Next(HANDLE,LPMODULEENTRY32); |
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193 |
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194 static BOOL GetNativeSystemInfoAvailable(); |
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195 static void GetNativeSystemInfo(LPSYSTEM_INFO); |
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196 |
3885 | 197 // NUMA calls |
198 static BOOL NumaCallsAvailable(); | |
199 static LPVOID VirtualAllocExNuma(HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); | |
200 static BOOL GetNumaHighestNodeNumber(PULONG); | |
201 static BOOL GetNumaNodeProcessorMask(UCHAR, PULONGLONG); | |
202 | |
6197 | 203 // Stack walking |
204 static USHORT RtlCaptureStackBackTrace(ULONG, ULONG, PVOID*, PULONG); | |
205 | |
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206 private: |
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207 // GetLargePageMinimum available on Windows Vista/Windows Server 2003 |
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208 // and later |
3885 | 209 // NUMA calls available Windows Vista/WS2008 and later |
210 | |
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211 static SIZE_T (WINAPI *_GetLargePageMinimum)(void); |
3885 | 212 static LPVOID (WINAPI *_VirtualAllocExNuma) (HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); |
213 static BOOL (WINAPI *_GetNumaHighestNodeNumber) (PULONG); | |
214 static BOOL (WINAPI *_GetNumaNodeProcessorMask) (UCHAR, PULONGLONG); | |
6197 | 215 static USHORT (WINAPI *_RtlCaptureStackBackTrace)(ULONG, ULONG, PVOID*, PULONG); |
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216 static BOOL initialized; |
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217 |
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218 static void initialize(); |
3885 | 219 static void initializeCommon(); |
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220 |
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221 #ifdef JDK6_OR_EARLIER |
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222 private: |
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223 static BOOL (WINAPI *_SwitchToThread)(void); |
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224 static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD); |
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225 static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32); |
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226 static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32); |
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227 static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO); |
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228 #endif |
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229 |
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230 }; |
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231 |
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232 class Advapi32Dll: AllStatic { |
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233 public: |
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234 static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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235 static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE); |
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236 static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID); |
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237 |
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238 static BOOL AdvapiAvailable(); |
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239 |
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240 #ifdef JDK6_OR_EARLIER |
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241 private: |
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242 static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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243 static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE); |
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244 static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID); |
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245 static BOOL initialized; |
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246 |
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247 static void initialize(); |
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248 #endif |
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249 }; |
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250 |
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251 class PSApiDll: AllStatic { |
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252 public: |
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253 static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD); |
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254 static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD); |
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255 static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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256 |
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257 static BOOL PSApiAvailable(); |
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258 |
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259 #ifdef JDK6_OR_EARLIER |
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260 private: |
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261 static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD); |
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262 static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);; |
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263 static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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264 static BOOL initialized; |
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265 |
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266 static void initialize(); |
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267 #endif |
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268 }; |
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269 |
1972 | 270 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP |