102 lines
2.6 KiB
HTML
102 lines
2.6 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of SD_JOURNAL_GET_USAGE</TITLE>
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</HEAD><BODY>
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<H1>SD_JOURNAL_GET_USAGE</H1>
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Section: sd_journal_get_usage (3)<BR>Updated: <BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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sd_journal_get_usage - Journal disk usage
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<P>
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<B>
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</B><PRE>
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#include <<A HREF="file:///usr/include/systemd/sd-journal.h">systemd/sd-journal.h</A>>
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</PRE>
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<DL COMPACT>
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<DT id="1">
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<B>int sd_journal_get_usage(sd_journal *</B><I>j</I><B>, uint64_t *</B><I>bytes</I><B>);</B>
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</DL>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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<B>sd_journal_get_usage()</B>
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<DD>determines the total disk space currently used by journal files (in bytes). If
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<B>SD_JOURNAL_LOCAL_ONLY</B>
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was passed when opening the journal, this value will only reflect the size of journal files of the local host, otherwise of all hosts.
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<A NAME="lbAE"> </A>
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<H2>RETURN VALUE</H2>
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<P>
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<B>sd_journal_get_usage()</B>
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returns 0 on success or a negative errno-style error code.
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<A NAME="lbAF"> </A>
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<H2>NOTES</H2>
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<P>
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All functions listed here are thread-agnostic and only a single specific thread may operate on a given object during its entire lifetime. It's safe to allocate multiple independent objects and use each from a specific thread in parallel. However, it's not safe to allocate such an object in one thread, and operate or free it from any other, even if locking is used to ensure these threads don't operate on it at the very same time.
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<P>
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These APIs are implemented as a shared library, which can be compiled and linked to with the
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<B>libsystemd</B> <B><A HREF="/cgi-bin/man/man2html?1+pkg-config">pkg-config</A></B>(1)
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file.
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<A NAME="lbAG"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<B><A HREF="/cgi-bin/man/man2html?1+systemd">systemd</A></B>(1),
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<B><A HREF="/cgi-bin/man/man2html?3+sd-journal">sd-journal</A></B>(3),
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<B><A HREF="/cgi-bin/man/man2html?3+sd_journal_open">sd_journal_open</A></B>(3),
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="2"><A HREF="#lbAB">NAME</A><DD>
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<DT id="3"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="4"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="5"><A HREF="#lbAE">RETURN VALUE</A><DD>
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<DT id="6"><A HREF="#lbAF">NOTES</A><DD>
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<DT id="7"><A HREF="#lbAG">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:55 GMT, March 31, 2021
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</BODY>
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</HTML>
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