[boost] [interprocess] how to use lock_file with Unicode file name?

Hi, I have been using lock_file with ASCII file names without any trouble. Now I would like to be able to use non ASCII file names. How does it work? Currently, lock_file uses as input const char *. What about the encoding? Cheers, Frédéric http://www.boost.org/doc/libs/1_64_0/doc/html/boost/interprocess/file_lock.h... http://www.boost.org/doc/libs/1_64_0/doc/html/interprocess/synchronization_m...