.

wcfs/client/wcfs_watchlink.cpp

@@ -219,11 +219,12 @@ error _WatchLink::_serveRX(context::Context ctx) {
 // XXX +ctx?
 error _WatchLink::_send(StreamID stream, const string &msg) {
     _WatchLink& wlink = *this;
-    // XXX +errctx ?
+    xerr::Contextf E("%s: send .%d", v(wlink), stream);
+
     if (msg.find('\n') != string::npos)
         panic("msg has \\n");
     string pkt = fmt::sprintf("%lu %s\n", stream, v(msg));
-    return wlink._write(pkt);
+    return E(wlink._write(pkt));
 }
 
 error _twlinkwrite(WatchLink wlink, const string &pkt) {
@@ -231,7 +232,7 @@ error _twlinkwrite(WatchLink wlink, const string &pkt) {
 }
 error _WatchLink::_write(const string &pkt) {
     _WatchLink& wlink = *this;
-    // XXX +errctx ?
+    // no errctx
 
     wlink._txmu.lock();
     defer([&]() {