Revert "Revert "Settled race condition TODOs across all platforms... as an unfortunate case :(""

Put this back on master so we can debug.

This reverts commit 67adbd43a1.

redo/table_darwin.go

@@ -36,11 +36,15 @@ func finishNewTable(b *tablebase, ty reflect.Type) Table {
 
 func (t *table) Unlock() {
 	t.unlock()
-	// TODO RACE CONDITION HERE
-	// not sure about this one...
+	// there's a possibility that user actions can happen at this point, before the view is updated
+	// alas, this is something we have to deal with, because Unlock() can be called from any thread
+	go func() {
+		Do(func() {
 			t.RLock()
 			defer t.RUnlock()
 			C.tableUpdate(t._id)
+		})
+	}()
 }
 
 //export goTableDataSource_getValue

redo/table_unix.go

@@ -58,13 +58,17 @@ func (t *table) Lock() {
 
 func (t *table) Unlock() {
 	t.unlock()
-	// TODO RACE CONDITION HERE
-	// not sure about this one...
+	// there's a possibility that user actions can happen at this point, before the view is updated
+	// alas, this is something we have to deal with, because Unlock() can be called from any thread
+	go func() {
+		Do(func() {
 			t.RLock()
 			defer t.RUnlock()
 			d := reflect.Indirect(reflect.ValueOf(t.data))
 			new := C.gint(d.Len())
 			C.tableUpdate(t.model, t.old, new)
+		})
+	}()
 }
 
 //export goTableModel_get_n_columns

redo/table_windows.go

@@ -38,11 +38,15 @@ func finishNewTable(b *tablebase, ty reflect.Type) Table {
 
 func (t *table) Unlock() {
 	t.unlock()
-	// TODO RACE CONDITION HERE
-	// I think there's a way to set the item count without causing a refetch of data that works around this...
+	// there's a possibility that user actions can happen at this point, before the view is updated
+	// alas, this is something we have to deal with, because Unlock() can be called from any thread
+	go func() {
+		Do(func() {
 			t.RLock()
 			defer t.RUnlock()
 			C.tableUpdate(t._hwnd, C.int(reflect.Indirect(reflect.ValueOf(t.data)).Len()))
+		})
+	}()
 }
 
 //export tableGetCellText