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other versions
- stretch 232-25+deb9u11
- testing 241-3
- stretch-backports 241-3~bpo9+1
- unstable 241-5
- experimental 242-1
SD_JOURNAL_HAS_RUNTIME_FILES(3) | sd_journal_has_runtime_files | SD_JOURNAL_HAS_RUNTIME_FILES(3) |
NAME¶
sd_journal_has_runtime_files, sd_journal_has_persistent_files - Query availability of runtime or persistent journal files.SYNOPSIS¶
#include <systemd/sd-journal.h>
int sd_journal_has_runtime_files(sd_journal *j);
int sd_journal_has_persistent_files(sd_journal *j);
DESCRIPTION¶
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¶
Both sd_journal_has_runtime_files() and sd_journal_has_persistent_files() return -EINVAL if their argument is NULL.NOTES¶
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.
SEE ALSO¶
sd-journal(3)systemd 232 |