sd_journal_has_runtime_files() returns a positive value if runtime
journal files (present in /run/systemd/journal/) have been found.
Otherwise returns 0.
sd_journal_has_persistent_files() returns a positive value if
persistent journal files (present in /var/log/journal/) have been
found. Otherwise returns 0.
All functions listed here are thread-agnostic and only a single
thread may operate on a given sd_journal object.
Functions listed here are available as a shared library, which can be
compiled and linked to with the libsystemd pkg-config(1) file.
This page is part of the systemd (systemd system and service manager)
project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a bug
report for this manual page, see
page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2017-03-13. If you dis‐
cover any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
systemd 233 SD_JOURNAL_HAS_RUNTIME_FILES(3)