<varname>timeout_usec</varname>. See
<citerefentry><refentrytitle>clock_gettime</refentrytitle><manvolnum>2</manvolnum></citerefentry>
for details about
- <constant>CLOCK_MONOTONIC</constant>. If there's no
- timeout to wait for this will fill in
+ <constant>CLOCK_MONOTONIC</constant>. If there is no
+ timeout to wait for, this will fill in
<constant>(uint64_t) -1</constant> instead. Note that
<function>poll()</function> takes a relative timeout
in milliseconds rather than an absolute timeout in
<constant>SD_JOURNAL_APPEND</constant> or
<constant>SD_JOURNAL_INVALIDATE</constant> on success or
a negative errno-style error code. If
- <constant>SD_JOURNAL_NOP</constant> is returned the
- journal didn't change since the last invocation. If
- <constant>SD_JOURNAL_APPEND</constant> is returned new
+ <constant>SD_JOURNAL_NOP</constant> is returned, the
+ journal did not change since the last invocation. If
+ <constant>SD_JOURNAL_APPEND</constant> is returned, new
entries have been appended to the end of the
- journal. If <constant>SD_JOURNAL_INVALIDATE</constant>
+ journal. If <constant>SD_JOURNAL_INVALIDATE</constant>,
journal files were added or removed (possibly due to
- rotation). In the latter event live-view UIs should
- probably refresh their entire display while in the
- case of <constant>SD_JOURNAL_APPEND</constant> it is
+ rotation). In the latter event, live-view UIs should
+ probably refresh their entire display, while in the
+ case of <constant>SD_JOURNAL_APPEND</constant>, it is
sufficient to simply continue reading at the previous
end of the journal.</para>
</refsect1>