Only close process on success

Author: jviau

src/WebJobs.Script/Workers/ProcessManagement/WorkerProcess.cs

@@ -182,8 +182,6 @@ private void OnProcessExited(object sender, EventArgs e)
             try
             {
                 ThrowIfExitError();
-
-                Process.WaitForExit();
                 if (Process.ExitCode == WorkerConstants.IntentionalRestartExitCode)
                 {
                     HandleWorkerProcessRestart();
@@ -203,8 +201,14 @@ private void OnProcessExited(object sender, EventArgs e)
             finally
             {
                 _processExit.TrySetResult(Process.ExitCode);
+
+                if (Process.ExitCode == WorkerConstants.SuccessExitCode)
+                {
+                    Process.WaitForExit();
+                    Process.Close();
+                }
+
                 UnregisterFromProcessMonitor();
-                Process.Close();
             }
         }