Handle exceptions in AbortImpl() (Moved from MD repo)

Author: nerzhulart

Mono.Debugging.Win32/CorMethodCall.cs

@@ -1,4 +1,6 @@
-using System.Threading.Tasks;
+using System;
+using System.Runtime.InteropServices;
+using System.Threading.Tasks;
 using Microsoft.Samples.Debugging.CorDebug;
 using Microsoft.Samples.Debugging.CorDebug.NativeApi;
 using Mono.Debugging.Client;
@@ -100,24 +102,41 @@ protected override Task<OperationResult<CorValue>> InvokeAsyncImpl ()
 
 		protected override void AbortImpl (int abortCallTimes)
 		{
-			if (abortCallTimes < 10) {
-				DebuggerLoggingService.LogMessage ("Calling Abort() for {0} time", abortCallTimes);
-				eval.Abort ();
-			}
-			else {
-				if (abortCallTimes == 20) {
-					// if Abort() and RudeAbort() didn't bring any result let's try to resume all the threads to free possible deadlocks in target process
-					// maybe this can help to abort hanging evaluations
-					DebuggerLoggingService.LogMessage ("RudeAbort() didn't stop eval after {0} times", abortCallTimes - 1);
-					DebuggerLoggingService.LogMessage ("Calling Stop()");
-					context.Session.Process.Stop (0);
-					DebuggerLoggingService.LogMessage ("Calling SetAllThreadsDebugState(THREAD_RUN)");
-					context.Session.Process.SetAllThreadsDebugState (CorDebugThreadState.THREAD_RUN, null);
-					DebuggerLoggingService.LogMessage ("Calling Continue()");
-					context.Session.Process.Continue (false);
+			try {
+				if (abortCallTimes < 10) {
+					DebuggerLoggingService.LogMessage ("Calling Abort() for {0} time", abortCallTimes);
+					eval.Abort ();
+				}
+				else {
+					if (abortCallTimes == 20) {
+						// if Abort() and RudeAbort() didn't bring any result let's try to resume all the threads to free possible deadlocks in target process
+						// maybe this can help to abort hanging evaluations
+						DebuggerLoggingService.LogMessage ("RudeAbort() didn't stop eval after {0} times", abortCallTimes - 1);
+						DebuggerLoggingService.LogMessage ("Calling Stop()");
+						context.Session.Process.Stop (0);
+						DebuggerLoggingService.LogMessage ("Calling SetAllThreadsDebugState(THREAD_RUN)");
+						context.Session.Process.SetAllThreadsDebugState (CorDebugThreadState.THREAD_RUN, null);
+						DebuggerLoggingService.LogMessage ("Calling Continue()");
+						context.Session.Process.Continue (false);
+					}
+					DebuggerLoggingService.LogMessage ("Calling RudeAbort() for {0} time", abortCallTimes);
+					eval.RudeAbort();
+				}
+
+			} catch (COMException e) {
+				var hResult = e.ToHResult<HResult> ();
+				switch (hResult) {
+					case HResult.CORDBG_E_PROCESS_TERMINATED:
+						DebuggerLoggingService.LogMessage ("Process was terminated. Set cancelled for eval");
+						tcs.TrySetCanceled ();
+						return;
+					case HResult.CORDBG_E_OBJECT_NEUTERED:
+						DebuggerLoggingService.LogMessage ("Eval object was neutered. Set cancelled for eval");
+						tcs.TrySetCanceled ();
+						return;
 				}
-				DebuggerLoggingService.LogMessage ("Calling RudeAbort() for {0} time", abortCallTimes);
-				eval.RudeAbort();
+				tcs.SetException (e);
+				throw;
 			}
 		}
 	}