PoshInternals

1.0.34

Mutex.ps1

$Global:Mutex = $null

function New-Mutex
{
    param([String]$Name, [Bool]$InitialOwner)

    $wasCreated = $false
    New-Object System.Threading.Mutex($InitialOwner, $Name, [ref]$wasCreated)
}

function Open-Mutex
{
    param([String]$Name)

    New-Object System.Threading.Mutex($false, $Name, [ref]$wasCreated)
}

function Enter-Mutex 
{
    [CmdletBinding()]
    param(
    [Parameter(ValueFromPipeline=$true, Mandatory)]
    [System.Threading.Mutex]$Mutex
    )

    Process {
        $Mutex.WaitOne()
    }
}

function Exit-Mutex 
{
    [CmdletBinding()]
    param(
    [Parameter(ValueFromPipeline=$true, Mandatory)]
    [System.Threading.Mutex]$Mutex)

    Process {
        $Mutex.ReleaseMutex()
    }
}