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

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* fix sd_journal_seek_tail doesn't go to end

* add comment
This commit is contained in:
Dean Lee
2022-01-04 19:14:29 +08:00
committed by GitHub
parent 937a0df57b
commit f2c17bbcde
1 changed files with 4 additions and 0 deletions
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selfdrive/logcatd/logcatd_systemd.cc
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@@ -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);