message: using SIGSTOP (avoid interactive signal blocking)
diff: @@ -199,7 +199,7 @@ void TraceMe() {
  // In gdb, you need to invoke `signal SIGCONT` if you want ccls to continue
  // after detaching.
  if (getenv("CCLS_TRACEME"))
  - raise(SIGTSTP);
  + raise(SIGSTOP);
  }
  std::string GetExternalCommandOutput(const std::vector<std::string>& command,
  