.

wcfs/internal/wcfs_virtmem.cpp

@@ -67,6 +67,25 @@ struct IContext {
     virtual error           err() = 0;
 };
 
+// context::
+namespace context {
+
+struct _Background : IContext {
+    chan<structZ>  done() {
+        return nil;
+    }
+
+    error   err() {
+        return nil;
+    }
+};
+
+IContext* background() {
+    return (_Background*)nil;   // FIXME not valid in C++ (IContext* also carries vtab ptr)
+}
+
+}   // context::
+
 #if 0
 interface(Context) {
     ifunc(chan<structZ> done());
@@ -412,7 +431,7 @@ error Conn::resync(Tid at) {
 
 
         string ack;
-        tie(ack, err) = wconn._wlink->sendReq(context.background(), fmt::sprintf("watch %s @%s", h_(foid), h_(at)));
+        tie(ack, err) = wconn._wlink->sendReq(context::background(), fmt::sprintf("watch %s @%s", h_(foid), h_(at)));
         if (err != nil)
             return err;
         if (ack != "ok") {