+ UNIX socket fixes
- force socket permissions directly in create_unix_domain_socket(), not CHost::CreateSocket() - throw exception if create_unix_domain_socket() fails (e.g. no permissions) - see also https://sourceforge.net/p/ddc-concordance/tickets/15/
Authored by: mukau 2019-11-15
Parent: [r1377]
Child: [r1379]