X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsd_journal_open.xml;h=5285fe6bc159713523eb41a7dfed40671bd38cce;hb=6ca9571eddb6cf9ab84eb41d5a162ffde7b0c50e;hp=12b80551a273b8bc793b3cba4dc23874bb82c0e2;hpb=67c3cf4f9ea35c1f789526b24a4d052d071902c0;p=elogind.git diff --git a/man/sd_journal_open.xml b/man/sd_journal_open.xml index 12b80551a..5285fe6bc 100644 --- a/man/sd_journal_open.xml +++ b/man/sd_journal_open.xml @@ -118,6 +118,29 @@ for an example how to iterate through the journal after opening it it with sd_journal_open(). + + A journal context object returned by + sd_journal_open() references a + specific journal entry as current entry, + similar to a file seek index in a classic file system + file, but without absolute positions. It may be + altered with + sd_journal_next3 + and + sd_journal_seek_head3 + and related calls. The current entry position may be + exported in cursor strings, as accessible + via + sd_journal_get_cursor3. Cursor + strings may be used to globally identify a specific + journal entry in a stable way and then later to seek + to it (or if the specific entry is not available + locally, to its closest entry in time) + sd_journal_seek_cursor3. + + Notification of journal changes is available via + sd_journal_get_fd() and related + calls.