Add pub sync function to SuspendableStrBuffer

dune/stuff/common/logstreams.cc

@@ -59,6 +59,12 @@ SuspendableStrBuffer::int_type SuspendableStrBuffer::overflow(SuspendableStrBuff
   return traits_type::eof() + 1;
 }
 
+int SuspendableStrBuffer::pubsync()
+{
+  if (enabled())
+    return BaseType::pubsync();
+  return 0;
+}
 
 LogStream& LogStream::flush()
 {

dune/stuff/common/logstreams.hh

@@ -57,6 +57,8 @@ protected:
   virtual int_type overflow(int_type ch = traits_type::eof());
 
 private:
+  int pubsync();
+
   inline bool enabled() const
   {
     return (!is_suspended_) && (logflags_ & loglevel_);