sd_journal_has_persistent_files(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | NOTES | SEE ALSO | COLOPHON

SD_JOURNAL_HAS_RUNTIME_FILES(3)nal_has_runtime_filesNAL_HAS_RUNTIME_FILES(3)

NAME         top

       sd_journal_has_runtime_files, sd_journal_has_persistent_files - Query
       availability of runtime or persistent journal files

SYNOPSIS         top

       #include <systemd/sd-journal.h>

       int sd_journal_has_runtime_files(sd_journal *j);

       int sd_journal_has_persistent_files(sd_journal *j);

DESCRIPTION         top

       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.

RETURN VALUE         top

       Both sd_journal_has_runtime_files() and
       sd_journal_has_persistent_files() return -EINVAL if their argument is
       NULL.

NOTES         top

       All functions listed here are thread-agnostic and only a single
       specific thread may operate on a given object during its entire
       lifetime. It's safe to allocate multiple independent objects and use
       each from a specific thread in parallel. However, it's not safe to
       allocate such an object in one thread, and operate or free it from
       any other, even if locking is used to ensure these threads don't
       operate on it at the very same time.

       These APIs are implemented as a shared library, which can be compiled
       and linked to with the libsystemd pkg-config(1) file.

SEE ALSO         top

       sd-journal(3)

COLOPHON         top

       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
       ⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.  This
       page was obtained from the project's upstream Git repository
       ⟨https://github.com/systemd/systemd.git⟩ on 2020-09-18.  (At that
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systemd 246                                  SD_JOURNAL_HAS_RUNTIME_FILES(3)

Pages that refer to this page: sd-journal(3)30-systemd-environment-d-generator(7)systemd.index(7)