Functions/GenXdev.Windows/Get-ChildProcesses.ps1
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Part of PowerShell module : GenXdev.Windows Original cmdlet filename : Get-ChildProcesses.ps1 Original author : René Vaessen / GenXdev Version : 1.272.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .SYNOPSIS Retrieves all processes that are descendants of the current PowerShell process. .DESCRIPTION Examines all running processes and identifies those that have the current PowerShell process as an ancestor in their parent process chain. This includes both direct child processes and their descendants (grandchildren, etc.). .EXAMPLE Get all child processes of the current PowerShell session Get-ChildProcesses .EXAMPLE Get child processes and display verbose output Get-ChildProcesses -Verbose #> function Get-ChildProcesses { [CmdletBinding()] [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '')] param() begin { # log start of process detection Microsoft.PowerShell.Utility\Write-Verbose 'Starting child process detection...' # store current powershell process id for parent chain comparison $currentProcessId = $PID Microsoft.PowerShell.Utility\Write-Verbose "Current process ID: $currentProcessId" } process { # get all processes currently running on the system $allProcesses = Microsoft.PowerShell.Management\Get-Process Microsoft.PowerShell.Utility\Write-Verbose "Retrieved $($allProcesses.Count) total processes" # filter processes by checking if current process is in their parent chain $allProcesses | Microsoft.PowerShell.Core\Where-Object { $processToCheck = $_ # traverse up the parent chain until we find our process or hit top while ($null -ne $processToCheck.Parent) { if ($processToCheck.Parent.Id -eq $currentProcessId) { Microsoft.PowerShell.Utility\Write-Verbose ("Found child process: $($processToCheck.Name) " + ` "ID: $($processToCheck.Id)") return $true } $processToCheck = $processToCheck.Parent } return $false } } end { Microsoft.PowerShell.Utility\Write-Verbose 'Completed child process detection' } } |