logcatd: fix sd_journal_seek_tail doesn't go to end (#23319)

* fix sd_journal_seek_tail doesn't go to end * add comment
3 years ago · f2c17bbcde
parent 937a0df57b
commit f2c17bbcde
1 changed files with 4 additions and 0 deletions
--- a/selfdrive/logcatd/logcatd_systemd.cc
+++ b/selfdrive/logcatd/logcatd_systemd.cc
@ -24,6 +24,10 @@ int main(int argc, char *argv[]) {
  err = sd_journal_seek_tail(journal);
  assert(err >= 0);

+  // workaround for bug https://github.com/systemd/systemd/issues/9934
+  // call sd_journal_previous_skip after sd_journal_seek_tail (like journalctl -f does) to makes things work.
+  sd_journal_previous_skip(journal, 1);
+
  while (!do_exit) {
    err = sd_journal_next(journal);
    assert(err >= 0);