ProcessWatchdog: Check for existence of procdump.exe

src/Tools/ProcessWatchdog/Program.cs

@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Threading;
@@ -37,6 +38,12 @@ private int Run()
                 return 1;
             }
 
+            if (!File.Exists(_options.ProcDumpPath))
+            {
+                ConsoleUtils.LogError(Resources.ErrorProcDumpNotFound, _options.ProcDumpPath);
+                return 1;
+            }
+
             var processStartInfo = new ProcessStartInfo
             {
                 FileName = _options.Executable,

src/Tools/ProcessWatchdog/Resources.Designer.cs

@@ -123,6 +123,15 @@ internal class Resources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to The procdump executable {0} was not found..
+        /// </summary>
+        internal static string ErrorProcDumpNotFound {
+            get {
+                return ResourceManager.GetString("ErrorProcDumpNotFound", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to The process {0} ({1}) or one of its descendants exceeded the time limit of {2} seconds. This process and all its descendants will be terminated..
         /// </summary>

src/Tools/ProcessWatchdog/Resources.resx

@@ -138,6 +138,9 @@
   <data name="ErrorInvalidTimeLimit" xml:space="preserve">
     <value>The value {0} is not a valid time limit. Please specify the time limit as a positive number of seconds.</value>
   </data>
+  <data name="ErrorProcDumpNotFound" xml:space="preserve">
+    <value>The procdump executable {0} was not found.</value>
+  </data>
   <data name="ErrorProcessTimedOut" xml:space="preserve">
     <value>The process {0} ({1}) or one of its descendants exceeded the time limit of {2} seconds. This process and all its descendants will be terminated.</value>
   </data>