mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-19 06:43:58 -07:00
98770fa4cc
CAS: uintptr_t->intptr_t to allow use of both cpu_CAS and cpu_AtomicAdd topology: remove non-thread safe caching, expose ApicIds, use ModuleInit x86_x64: use ModuleInit instead of unsafe static flags; zero-init regs instead of just setting ecx ModuleInitState now holds the LibError returned by the init callback (so that the second init doesn't appear to succeed despite the first failing) wnuma: cleanup, add ACPI SLIT relative distance detection This was SVN commit r7741.
128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* wrapper for Windows Management Instrumentation
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*/
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#include "precompiled.h"
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#include "lib/sysdep/os/win/wmi.h"
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#include <wbemidl.h>
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#include "lib/module_init.h"
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#pragma comment(lib, "wbemuuid.lib")
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static IWbemServices* pSvc;
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_COM_SMARTPTR_TYPEDEF(IWbemLocator, __uuidof(IWbemLocator));
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_COM_SMARTPTR_TYPEDEF(IWbemClassObject, __uuidof(IWbemClassObject));
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_COM_SMARTPTR_TYPEDEF(IEnumWbemClassObject, __uuidof(IEnumWbemClassObject));
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static ModuleInitState initState;
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static LibError Init()
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{
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HRESULT hr;
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hr = CoInitialize(0);
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debug_assert(hr == S_OK || hr == S_FALSE); // S_FALSE => already initialized
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hr = CoInitializeSecurity(0, -1, 0, 0, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, 0, EOAC_NONE, 0);
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if(FAILED(hr))
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WARN_RETURN(ERR::_2);
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{
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IWbemLocatorPtr pLoc = 0;
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hr = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (void**)&pLoc);
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if(FAILED(hr))
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WARN_RETURN(ERR::_3);
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hr = pLoc->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), 0, 0, 0, 0, 0, 0, &pSvc);
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if(FAILED(hr))
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return ERR::_4; // NOWARN (happens if WMI service is disabled)
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}
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hr = CoSetProxyBlanket(pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, 0, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, 0, EOAC_NONE);
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if(FAILED(hr))
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WARN_RETURN(ERR::_5);
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return INFO::OK;
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}
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static void Shutdown()
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{
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pSvc->Release();
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// note: don't shut down COM because other modules may still be using it.
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//CoUninitialize();
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}
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void wmi_Shutdown()
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{
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ModuleShutdown(&initState, Shutdown);
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}
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LibError wmi_GetClass(const wchar_t* className, WmiMap& wmiMap)
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{
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RETURN_ERR(ModuleInit(&initState, Init));
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IEnumWbemClassObjectPtr pEnum = 0;
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wchar_t query[200];
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swprintf_s(query, ARRAY_SIZE(query), L"SELECT * FROM %ls", className);
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HRESULT hr = pSvc->ExecQuery(L"WQL", _bstr_t(query), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, 0, &pEnum);
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if(FAILED(hr))
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WARN_RETURN(ERR::FAIL);
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debug_assert(pEnum);
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for(;;)
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{
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IWbemClassObjectPtr pObj = 0;
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ULONG numReturned = 0;
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hr = pEnum->Next((LONG)WBEM_INFINITE, 1, &pObj, &numReturned);
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if(FAILED(hr))
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WARN_RETURN(ERR::FAIL);
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if(numReturned == 0)
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break;
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debug_assert(pEnum);
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pObj->BeginEnumeration(WBEM_FLAG_NONSYSTEM_ONLY);
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for(;;)
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{
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BSTR name;
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VARIANT value;
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VariantInit(&value);
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if(pObj->Next(0, &name, &value, 0, 0) != WBEM_S_NO_ERROR)
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{
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SysFreeString(name);
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break;
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}
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wmiMap[name] = value;
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SysFreeString(name);
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}
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}
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return INFO::OK;
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}
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