Frank Lesniak franklesniak

## CheckDHCPOptions.ps1
##############################################################################
##
## Invoke-WindowsApi.ps1
##
## Invoke a native Windows API call that takes and returns simple data types.
##
## ie:
##
##
## Prepare the parameter types and parameters for the

## gist:6f208d9458be5f1f8c77
# This script should be dot-sourced or copied and pasted into the interpreter.

# This script reproduces a problem with PowerShell v4 when KB3000850 is installed, and with PowerShell v5.
# It causes the interpreter to freeze / deadlock / spinlock / something that causes it to be unresponsive with high CPU
# See also: https://gist.github.com/anonymous/572f42ba0ea7eec4f721#file-psclass_repro_reduced11-ps1

function __PSClass-InvokeScript($class, $script, $object) {}

function __PSClass-InvokePropertyMethod($Class, $PropertyType, $PropertyName, $instance) {
	# Interestingly, if you comment-out the following line, the script exhibits the high CPU behavior but does *eventually* complete!
	##############################################################################
	##
	## Invoke-WindowsApi.ps1
	##
	## Invoke a native Windows API call that takes and returns simple data types.
	##
	## ie:
	##
	##
	## Prepare the parameter types and parameters for the
	# This script should be dot-sourced or copied and pasted into the interpreter.

	# This script reproduces a problem with PowerShell v4 when KB3000850 is installed, and with PowerShell v5.
	# It causes the interpreter to freeze / deadlock / spinlock / something that causes it to be unresponsive with high CPU
	# See also: https://gist.github.com/anonymous/572f42ba0ea7eec4f721#file-psclass_repro_reduced11-ps1

	function __PSClass-InvokeScript($class, $script, $object) {}

	function __PSClass-InvokePropertyMethod($Class, $PropertyType, $PropertyName, $instance) {
	# Interestingly, if you comment-out the following line, the script exhibits the high CPU behavior but does eventually complete!