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annotate src/os/windows/vm/os_windows.hpp @ 3885:3cd0157e1d4d

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7082969: NUMA interleaving Summary: Support interleaving on NUMA systems for collectors that don't have NUMA-awareness. Reviewed-by: iveresov, ysr Contributed-by: Tom Deneau <tom.deneau@amd.com>
author iveresov
date Thu, 25 Aug 2011 02:57:46 -0700
parents b1cbb0907b36
children 7432b9db36ff
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1 /*
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 *
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23 */
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24
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25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP
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26 #define OS_WINDOWS_VM_OS_WINDOWS_HPP
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27 // Win32_OS defines the interface to windows operating systems
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28
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29 class win32 {
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30
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31 protected:
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32 static int _vm_page_size;
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33 static int _vm_allocation_granularity;
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34 static int _processor_type;
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35 static int _processor_level;
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36 static julong _physical_memory;
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37 static size_t _default_stack_size;
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38 static bool _is_nt;
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39 static bool _is_windows_2003;
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40 static bool _is_windows_server;
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41
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42 public:
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43 // Windows-specific interface:
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44 static void initialize_system_info();
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45 static void setmode_streams();
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46
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47 // Processor info as provided by NT
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48 static int processor_type() { return _processor_type; }
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49 // Processor level may not be accurate on non-NT systems
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50 static int processor_level() {
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51 assert(is_nt(), "use vm_version instead");
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52 return _processor_level;
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53 }
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54 static julong available_memory();
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55 static julong physical_memory() { return _physical_memory; }
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56
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57 // load dll from Windows system directory or Windows directory
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58 static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen);
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59
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60 public:
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61 // Generic interface:
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62
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63 // Trace number of created threads
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64 static intx _os_thread_limit;
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65 static volatile intx _os_thread_count;
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66
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67 // Tells whether the platform is NT or Windown95
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68 static bool is_nt() { return _is_nt; }
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69
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70 // Tells whether this is a server version of Windows
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71 static bool is_windows_server() { return _is_windows_server; }
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72
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73 // Tells whether the platform is Windows 2003
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74 static bool is_windows_2003() { return _is_windows_2003; }
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75
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76 // Returns the byte size of a virtual memory page
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77 static int vm_page_size() { return _vm_page_size; }
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78
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79 // Returns the size in bytes of memory blocks which can be allocated.
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80 static int vm_allocation_granularity() { return _vm_allocation_granularity; }
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81
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82 // Read the headers for the executable that started the current process into
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83 // the structure passed in (see winnt.h).
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84 static void read_executable_headers(PIMAGE_NT_HEADERS);
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85
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86 // Default stack size for the current process.
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87 static size_t default_stack_size() { return _default_stack_size; }
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88
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89 #ifndef _WIN64
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90 // A wrapper to install a structured exception handler for fast JNI accesors.
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91 static address fast_jni_accessor_wrapper(BasicType);
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92 #endif
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93
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94 // filter function to ignore faults on serializations page
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95 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
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96 };
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97
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98 class PlatformEvent : public CHeapObj {
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99 private:
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100 double CachePad [4] ; // increase odds that _Event is sole occupant of cache line
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101 volatile int _Event ;
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102 HANDLE _ParkHandle ;
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103
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104 public: // TODO-FIXME: make dtor private
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105 ~PlatformEvent() { guarantee (0, "invariant") ; }
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106
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107 public:
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108 PlatformEvent() {
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109 _Event = 0 ;
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110 _ParkHandle = CreateEvent (NULL, false, false, NULL) ;
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111 guarantee (_ParkHandle != NULL, "invariant") ;
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112 }
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113
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114 // Exercise caution using reset() and fired() - they may require MEMBARs
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115 void reset() { _Event = 0 ; }
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116 int fired() { return _Event; }
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117 void park () ;
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118 void unpark () ;
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119 int park (jlong millis) ;
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120 } ;
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121
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122
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123
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124 class PlatformParker : public CHeapObj {
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125 protected:
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126 HANDLE _ParkEvent ;
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127
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128 public:
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129 ~PlatformParker () { guarantee (0, "invariant") ; }
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130 PlatformParker () {
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131 _ParkEvent = CreateEvent (NULL, true, false, NULL) ;
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132 guarantee (_ParkEvent != NULL, "invariant") ;
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133 }
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134
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135 } ;
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136
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137 // JDK7 requires VS2010
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138 #if _MSC_VER < 1600
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139 #define JDK6_OR_EARLIER 1
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140 #endif
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141
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142
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143
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144 class WinSock2Dll: AllStatic {
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145 public:
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146 static BOOL WSAStartup(WORD, LPWSADATA);
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147 static struct hostent* gethostbyname(const char *name);
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148 static BOOL WinSock2Available();
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149 #ifdef JDK6_OR_EARLIER
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150 private:
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151 static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA);
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152 static struct hostent *(PASCAL FAR *_gethostbyname)(...);
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153 static BOOL initialized;
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154
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155 static void initialize();
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156 #endif
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157 };
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158
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159 class Kernel32Dll: AllStatic {
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160 public:
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161 static BOOL SwitchToThread();
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162 static SIZE_T GetLargePageMinimum();
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163
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164 static BOOL SwitchToThreadAvailable();
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165 static BOOL GetLargePageMinimumAvailable();
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166
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167 // Help tools
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168 static BOOL HelpToolsAvailable();
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169 static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD);
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170 static BOOL Module32First(HANDLE,LPMODULEENTRY32);
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171 static BOOL Module32Next(HANDLE,LPMODULEENTRY32);
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172
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173 static BOOL GetNativeSystemInfoAvailable();
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174 static void GetNativeSystemInfo(LPSYSTEM_INFO);
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175
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176 // NUMA calls
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177 static BOOL NumaCallsAvailable();
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178 static LPVOID VirtualAllocExNuma(HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD);
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179 static BOOL GetNumaHighestNodeNumber(PULONG);
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180 static BOOL GetNumaNodeProcessorMask(UCHAR, PULONGLONG);
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181
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182 private:
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183 // GetLargePageMinimum available on Windows Vista/Windows Server 2003
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184 // and later
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185 // NUMA calls available Windows Vista/WS2008 and later
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186
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187 static SIZE_T (WINAPI *_GetLargePageMinimum)(void);
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188 static LPVOID (WINAPI *_VirtualAllocExNuma) (HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD);
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189 static BOOL (WINAPI *_GetNumaHighestNodeNumber) (PULONG);
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190 static BOOL (WINAPI *_GetNumaNodeProcessorMask) (UCHAR, PULONGLONG);
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191 static BOOL initialized;
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192
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193 static void initialize();
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194 static void initializeCommon();
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195
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196 #ifdef JDK6_OR_EARLIER
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197 private:
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198 static BOOL (WINAPI *_SwitchToThread)(void);
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199 static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD);
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200 static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32);
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201 static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32);
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202 static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO);
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203 #endif
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204
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205 };
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206
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207 class Advapi32Dll: AllStatic {
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208 public:
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209 static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD);
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210 static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE);
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211 static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID);
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212
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213 static BOOL AdvapiAvailable();
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214
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215 #ifdef JDK6_OR_EARLIER
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216 private:
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217 static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD);
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218 static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE);
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219 static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID);
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220 static BOOL initialized;
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221
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222 static void initialize();
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223 #endif
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224 };
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225
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226 class PSApiDll: AllStatic {
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227 public:
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228 static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD);
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229 static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD);
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230 static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD);
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231
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232 static BOOL PSApiAvailable();
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233
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234 #ifdef JDK6_OR_EARLIER
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235 private:
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236 static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD);
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237 static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);;
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238 static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD);
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239 static BOOL initialized;
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240
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241 static void initialize();
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242 #endif
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243 };
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244
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245 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP