module Journald:sig..end
module Priority:sig..end
val journal_send : (string * string) list -> unitjournal_send submits a list of KV pairs to the journal. The Key
name must be in uppercase and consist only of characters, numbers and
underscores, and may not begin with an underscore.val journal_send_loc : (string * string) list -> unitjournal_send_loc acts like journal_send, but also adds the CODE_LINE and CODE_FILE location keys and values to the journal.
Compilation units must be compiled and linked with option -g
val journal_send_message : Priority.t -> string -> unitjournal_send_message p s is used to submit simple, plain text
log entries to the system journal. The first argument is the
Priority p. This is followed by the message sval journal_send_message_loc : Priority.t -> string -> unitjournal_send_message_loc acts like journal_send_message, but also adds the CODE_LINE and CODE_FILE location keys and values to the journal.
Compilation units must be compiled and linked with option -g