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authorJ M Rossy <[email protected]>2015-07-29 15:40:09 -0700
committerJ M Rossy <[email protected]>2015-07-29 16:34:40 -0700
commit5d61a4a79a1e96dc5d9af1e5e712c84507307544 (patch)
tree49ed270893578cd18758b74ffcca16dc7ab948d6 /network/trans/WFPSampler/lib/HelperFunctions_Process.cpp
parent5d41613e26e147d2300c786bb2b34cb4b4067a25 (diff)
Samples update for public Windows 10 release
Fix #2 Enabling WPP Recorder in Sensors Samples causes errors Fix #4 Add back fixed KMDOD sample Add new BarcodeScanner sample in pos folder Add new MagneticStripeReader sample in pos folder Add new SynpaticsTouch sample in input folder Add new Power Engine Plugin sample in pofx folder Add new DeviceMft sample in avstream folder Add new AvsCamera sample in root Add new SimBatt sample in root Add other pre-existing samples not yet released for Win10
Diffstat (limited to 'network/trans/WFPSampler/lib/HelperFunctions_Process.cpp')
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diff --git a/network/trans/WFPSampler/lib/HelperFunctions_Process.cpp b/network/trans/WFPSampler/lib/HelperFunctions_Process.cpp
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+////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2012 Microsoft Corporation. All Rights Reserved.
+//
+// Module Name:
+// HelperFunctions_Process.cpp
+//
+// Abstract:
+// This module contains functions which assist actions pertaining to processes.
+//
+// Naming Convention:
+//
+// <Scope><Module><Object><Action><Modifier>
+//
+// i.e.
+//
+// <Scope>
+// {
+// - Function is likely visible to other modules
+// Prv - Function is private to this module.
+// }
+// <Module>
+// {
+// Hlpr - Function is from HelperFunctions_* Modules.
+// }
+// <Object>
+// {
+// Process - Function pertains to processes.
+// }
+// <Action>
+// {
+// Get - Function retrieves data.
+// }
+// <Modifier>
+// {
+// State - Funstion acts on the object's state.
+// String - Function acts on a null terminated wide character string.
+// }
+//
+// Private Functions:
+//
+// Public Functions:
+// HlprProcessGetID(),
+//
+// Author:
+// Dusty Harper (DHarper)
+//
+// Revision History:
+//
+// [ Month ][Day] [Year] - [Revision]-[ Comments ]
+// May 01, 2010 - 1.0 - Creation
+//
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include "HelperFunctions_Include.h" /// .
+
+/**
+ @helper_function="PrvHlprServiceQueryState"
+
+ Purpose: Return the state of the service. <br>
+ <br>
+ Notes: <br>
+ <br>
+
+*/
+
+/**
+ @helper_function="HlprServiceStop"
+
+ Purpose: Issue a stop control to the specified service. <br>
+ <br>
+ Notes: <br>
+ <br>
+ MSDN_Ref: HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS682489.aspx <br>
+ HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS684834.aspx <br>
+ HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS684836.aspx <br>
+ HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS684320.aspx <br>
+ HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS684218.aspx <br>
+ HTTP://MSDN.Microsoft.com/En-US/Library/Windows/Desktop/MS684221.aspx <br>
+*/
+_Success_(return == NO_ERROR)
+UINT32 HlprProcessGetID(_In_ PCWSTR pProcessName,
+ _Inout_ UINT32* pPID)
+{
+ ASSERT(pProcessName);
+ ASSERT(pPID);
+
+ UINT32 status = NO_ERROR;
+ HANDLE processSnapshotHandle = 0;
+ PROCESSENTRY32 processEntry = {0};
+
+ processEntry.dwSize = sizeof(PROCESSENTRY32);
+
+ processSnapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,
+ 0);
+ if(processSnapshotHandle == INVALID_HANDLE_VALUE)
+ {
+ status = GetLastError();
+
+ HlprLogError(L"HlprProcessGetID : CreateToolhelp32Snapshot() [status: %#x]",
+ status);
+
+ HLPR_BAIL;
+ }
+
+ if(!Process32First(processSnapshotHandle,
+ &processEntry))
+ {
+ status = GetLastError();
+
+ HlprLogError(L"HlprProcessGetID : Process32First() [status: %#x]",
+ status);
+
+ HLPR_BAIL;
+ }
+
+ for(;
+ *pPID == 0;
+ )
+ {
+ HANDLE processHandle = 0;
+ HANDLE moduleSnapshotHandle = 0;
+ MODULEENTRY32 moduleEntry = {0};
+
+ moduleEntry.dwSize = sizeof(MODULEENTRY32);
+
+ processHandle = OpenProcess(PROCESS_QUERY_INFORMATION |
+ PROCESS_VM_READ,
+ FALSE,
+ processEntry.th32ProcessID);
+ if(processHandle == 0)
+ {
+ status = GetLastError();
+
+ /// Don't log errors for the Idle, CSRSS, & System processes
+ if(status != ERROR_ACCESS_DENIED &&
+ status != ERROR_INVALID_PARAMETER)
+ HlprLogError(L"HlprProcessGetID : OpenProcess() [status: %#x]",
+ status);
+
+ HLPR_BAIL_2;
+ }
+
+ moduleSnapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,
+ processEntry.th32ProcessID);
+ if(moduleSnapshotHandle == INVALID_HANDLE_VALUE)
+ {
+ status = GetLastError();
+
+ HlprLogError(L"HlprProcessGetID : CreateToolhelp32Snapshot() [status: %#x]",
+ status);
+
+ HLPR_BAIL_2;
+ }
+
+ if(!Module32First(moduleSnapshotHandle,
+ &moduleEntry))
+ {
+ status = GetLastError();
+
+ HlprLogError(L"HlprProcessGetID : Module32First() [status: %#x]",
+ status);
+
+ HLPR_BAIL_2;
+ }
+
+ for(;
+ *pPID == 0;
+ )
+ {
+ if(HlprStringsAreEqual(pProcessName,
+ moduleEntry.szModule))
+ *pPID = processEntry.th32ProcessID;
+
+ if(!Module32Next(moduleSnapshotHandle,
+ &moduleEntry))
+ break;
+ }
+
+ HLPR_BAIL_LABEL_2:
+
+ HLPR_CLOSE_HANDLE(processHandle);
+
+ if(!Process32Next(processSnapshotHandle,
+ &processEntry))
+ break;
+ }
+
+ HLPR_BAIL_LABEL:
+
+ HLPR_CLOSE_HANDLE(processSnapshotHandle);
+
+ ASSERT(*pPID);
+
+ return status;
+}