[6.6] postgresql .lock: Permission denied

[CiotBSD]

Hi,

Today I install postgresql server on OpenBSD 6.6 server.

Into file postgresql.conf, I set socket_unix_directories, as:

unix_socket_directories = '/var/www/tmp/postgresql, /tmp'

But, the server deny to start!

2020-03-04 14:02:04.169 CET [50162] LOG: listening on IPv4 address "127.0.0.1", port 5432
2020-03-04 14:02:04.169 CET [50162] LOG: listening on IPv6 address "::1", port 5432
2020-03-04 14:02:04.170 CET [50162] FATAL: could not open lock file "/var/www/tmp/postgresql/.s.PGSQL.5432.lock": Permission denied
2020-03-04 14:02:04.170 CET [50162] LOG: database system is shut down

The rights on FS are:

# ls -al /var/www/ | grep tmp                                                                                                                                                         
drwx-----T   3 www   www     512 Mar  4 01:00 tmp/

# ls -al /var/www/tmp         
total 12
drwx-----T   3 www          www     512 Mar  4 01:00 ./
drwxr-xr-x  13 root         daemon  512 Mar  4 00:35 ../
drwxr-xr-x   2 _postgresql  www     512 Mar  4 01:00 postgresql/

One idea/suggestion?!