runnables, unittests, prokect runner: display an error when exit code is not null

src/ce_main.pas

@@ -1660,6 +1660,9 @@ begin
   inph := EntitiesConnector.getSingleService('ICEProcInputHandler');
   if (inph <> nil) then
     (inph as ICEProcInputHandler).removeProcess(proc);
+  if (proc.ExitStatus <> 0) then
+    fMsgs.message(format('error: the process (%s) has returned the signal %d',
+      [proc.Executable, proc.ExitStatus]), fDoc, amcEdit, amkErr);
 end;
 
 procedure TCEMainForm.actSetRunnableSwExecute(Sender: TObject);

src/ce_nativeproject.pas

@@ -795,6 +795,7 @@ var
   lst: TStringList;
   str: string;
   msgs: ICEMessagesDisplay;
+  proc : TProcess;
 begin
   lst := TStringList.Create;
   msgs := getMessageDisplay;
@@ -809,10 +810,15 @@ begin
     lst.Free;
   end;
   //
-  if not TProcess(sender).Active then
+  proc := TProcess(sender);
+  if not proc.Running then
   begin
     getprocInputHandler.removeProcess(TProcess(sender));
     ChDir(fRunnerOldCwd);
+    //
+    if (proc.ExitStatus <> 0) then
+      msgs.message(format('error: the process (%s) has returned the signal %d',
+        [proc.Executable, proc.ExitStatus]), self as ICECommonProject, amcProj, amkErr);
   end;
 end;
 

src/ce_processes.pas

@@ -104,7 +104,6 @@ var
 begin
   if not (poUsePipes in Options) then
     exit;
-
   sum := fOutputStack.Size;
   while (Output <> nil) and (NumBytesAvailable > 0) do
   begin
@@ -112,7 +111,6 @@ begin
     cnt := Output.Read((fOutputStack.Memory + sum)^, 1024);
     sum += cnt;
   end;
-
   fOutputStack.SetSize(sum);
 end;
 
@@ -123,18 +121,9 @@ var
   toread: Integer;
   buff: Byte = 0;
   str: TMemoryStream;
-  err: array[0..255] of Byte;
 begin
   if not Running then
   begin
-    //TODO-cbugfix: errors not displayed when a runnable crashes
-    //if poStderrToOutPut in Options then
-    //if Stderr <> nil then while (true) do
-    //begin
-    //  toread := Stderr.Read(err[0], length(err));
-    //  if toread = 0 then break;
-    //  fOutputStack.Write(err[0], toread);
-    //end;
     list.LoadFromStream(fOutputStack);
     if consume then
       fOutputStack.Clear;