Unregister signal handler (microsoft#5861)

JohnMcPMS · web-flow · commit ab52c704a15d · 2025-11-05T16:15:57.000-08:00
## Change
Remove the CTRL handler when we destruct.
diff --git a/src/AppInstallerCLICore/ShutdownMonitoring.cpp b/src/AppInstallerCLICore/ShutdownMonitoring.cpp
@@ -101,6 +101,8 @@ namespace AppInstaller::ShutdownMonitoring
 
     TerminationSignalHandler::~TerminationSignalHandler()
     {
+        SetConsoleCtrlHandler(StaticCtrlHandlerFunction, FALSE);
+
         // std::thread requires that any managed thread (joinable) be joined or detached before destructing
         if (m_windowThread.joinable())
         {

Original file line number	Diff line number	Diff line change
`@@ -101,6 +101,8 @@ namespace AppInstaller::ShutdownMonitoring`
`101`	`101`
`102`	`102`	`TerminationSignalHandler::~TerminationSignalHandler()`
`103`	`103`	`{`
	`104`	`+ SetConsoleCtrlHandler(StaticCtrlHandlerFunction, FALSE);`
	`105`	`+`
`104`	`106`	`// std::thread requires that any managed thread (joinable) be joined or detached before destructing`
`105`	`107`	`if (m_windowThread.joinable())`
`106`	`108`	`{`