--- libdbus-c++-0.9.0/src/pipe.cpp.writechar	2017-02-16 11:07:13.591950169 +0000

+++ libdbus-c++-0.9.0/src/pipe.cpp	2017-02-16 11:04:17.158796092 +0000

@@ -83,5 +83,5 @@

 void Pipe::signal()

 {

   // TODO: ignoring return of read/write generates warning; maybe relevant for eventloop work...

-  ::write(_fd_write, '\0', 1);

+  ::write(_fd_write, "", 1);

 }