Imported Upstream version 217

[systemd.git] / man / sd_journal_get_fd.html

diff --git a/man/sd_journal_get_fd.html b/man/sd_journal_get_fd.html
index a5d9515e05c50feb63dc590efd804e3d99c93f46..7fd7c09ba7aef7c0eca7de9c3155f58470d6ffb7 100644 (file)
--- a/man/sd_journal_get_fd.html
+++ b/man/sd_journal_get_fd.html
@@ -19,15 +19,15 @@
   <a href="systemd.directives.html">Directives </a>·
   <a href="../python-systemd/index.html">Python </a>·
   <a href="../libudev/index.html">libudev </a>·
-  <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 215</span><hr><div class="refentry"><a name="sd_journal_get_fd"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>sd_journal_get_fd, sd_journal_get_events, sd_journal_get_timeout, sd_journal_process, sd_journal_wait, sd_journal_reliable_fd, SD_JOURNAL_NOP, SD_JOURNAL_APPEND, SD_JOURNAL_INVALIDATE — Journal change notification
-                interface</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><pre class="funcsynopsisinfo">#include &lt;systemd/sd-journal.h&gt;</pre><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_fd</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_events</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_timeout</b>(</code></td><td>sd_journal *<var class="pdparam">j</var>, </td></tr><tr><td> </td><td>uint64_t *<var class="pdparam">timeout_usec</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_process</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_wait</b>(</code></td><td>sd_journal *<var class="pdparam">j</var>, </td></tr><tr><td> </td><td>uint64_t <var class="pdparam">timeout_usec</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_reliable_fd</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idm214185830672"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><code class="function">sd_journal_get_fd()</code> returns
+  <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 217</span><hr><div class="refentry"><a name="sd_journal_get_fd"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>sd_journal_get_fd, sd_journal_get_events, sd_journal_get_timeout, sd_journal_process, sd_journal_wait, sd_journal_reliable_fd, SD_JOURNAL_NOP, SD_JOURNAL_APPEND, SD_JOURNAL_INVALIDATE — Journal change notification
+                interface</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><pre class="funcsynopsisinfo">#include &lt;systemd/sd-journal.h&gt;</pre><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_fd</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_events</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_get_timeout</b>(</code></td><td>sd_journal *<var class="pdparam">j</var>, </td></tr><tr><td> </td><td>uint64_t *<var class="pdparam">timeout_usec</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_process</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_wait</b>(</code></td><td>sd_journal *<var class="pdparam">j</var>, </td></tr><tr><td> </td><td>uint64_t <var class="pdparam">timeout_usec</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">sd_journal_reliable_fd</b>(</code></td><td>sd_journal *<var class="pdparam">j</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idm214177185680"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><code class="function">sd_journal_get_fd()</code> returns
                 a file descriptor that may be asynchronously polled in
                 an external event loop and is signaled as soon as the
                 journal changes, because new entries or files were
                 added, rotation took place, or files have been
                 deleted, and similar. The file descriptor is suitable
                 for usage in
-                <a href="poll.html"><span class="citerefentry"><span class="refentrytitle">poll</span>(2)</span></a>. Use
+                <a href="http://man7.org/linux/man-pages/man2/poll.2.html"><span class="citerefentry"><span class="refentrytitle">poll</span>(2)</span></a>. Use
                 <code class="function">sd_journal_get_events()</code> for an
                 events mask to watch for. The call takes one argument:
                 the journal context object. Note that not all file
@@ -53,7 +53,7 @@
                 <code class="constant">CLOCK_MONOTONIC</code> for timing out
                 <code class="function">poll()</code> in
                 <code class="varname">timeout_usec</code>. See
-                <a href="clock_gettime.html"><span class="citerefentry"><span class="refentrytitle">clock_gettime</span>(2)</span></a>
+                <a href="http://man7.org/linux/man-pages/man2/clock_gettime.2.html"><span class="citerefentry"><span class="refentrytitle">clock_gettime</span>(2)</span></a>
                 for details about
                 <code class="constant">CLOCK_MONOTONIC</code>. If there is no
                 timeout to wait for, this will fill in
@@ -112,7 +112,7 @@ else {
                 no need to invoke this function directly as
                 <code class="function">sd_journal_get_timeout()</code> on these
                 file systems will ask for timeouts explicitly
-                anyway.</p></div><div class="refsect1"><a name="idm214185790416"></a><h2 id="Return Value">Return Value<a class="headerlink" title="Permalink to this headline" href="#Return%20Value">¶</a></h2><p><code class="function">sd_journal_get_fd()</code> returns
+                anyway.</p></div><div class="refsect1"><a name="idm214177145424"></a><h2 id="Return Value">Return Value<a class="headerlink" title="Permalink to this headline" href="#Return%20Value">¶</a></h2><p><code class="function">sd_journal_get_fd()</code> returns
                 a valid file descriptor on success or a negative
                 errno-style error code.</p><p><code class="function">sd_journal_get_events()</code>
                 returns a combination of <code class="constant">POLLIN</code>,
@@ -138,15 +138,15 @@ else {
                 probably refresh their entire display, while in the
                 case of <code class="constant">SD_JOURNAL_APPEND</code>, it is
                 sufficient to simply continue reading at the previous
-                end of the journal.</p></div><div class="refsect1"><a name="idm214180864000"></a><h2 id="Notes">Notes<a class="headerlink" title="Permalink to this headline" href="#Notes">¶</a></h2><p>The <code class="function">sd_journal_get_fd()</code>,
+                end of the journal.</p></div><div class="refsect1"><a name="idm214172223728"></a><h2 id="Notes">Notes<a class="headerlink" title="Permalink to this headline" href="#Notes">¶</a></h2><p>The <code class="function">sd_journal_get_fd()</code>,
                 <code class="function">sd_journal_get_events()</code>,
                 <code class="function">sd_journal_reliable_fd()</code>,
                 <code class="function">sd_journal_process()</code> and
                 <code class="function">sd_journal_wait()</code> interfaces are
                 available as a shared library, which can be compiled and
                 linked to with the
-                <code class="constant">libsystemd</code> <a href="pkg-config.html"><span class="citerefentry"><span class="refentrytitle">pkg-config</span>(1)</span></a>
-                file.</p></div><div class="refsect1"><a name="idm214180858416"></a><h2 id="Examples">Examples<a class="headerlink" title="Permalink to this headline" href="#Examples">¶</a></h2><p>Iterating through the journal, in a live view tracking all changes:</p><pre class="programlisting">#include &lt;stdio.h&gt;
+                <code class="constant">libsystemd</code> <a href="http://linux.die.net/man/1/pkg-config"><span class="citerefentry"><span class="refentrytitle">pkg-config</span>(1)</span></a>
+                file.</p></div><div class="refsect1"><a name="idm214172217904"></a><h2 id="Examples">Examples<a class="headerlink" title="Permalink to this headline" href="#Examples">¶</a></h2><p>Iterating through the journal, in a live view tracking all changes:</p><pre class="programlisting">#include &lt;stdio.h&gt;
 #include &lt;string.h&gt;
 #include &lt;systemd/sd-journal.h&gt;
 
@@ -208,11 +208,11 @@ int wait_for_changes(sd_journal *j) {
         pollfd.events = sd_journal_get_events(j);
         poll(&amp;pollfd, 1, msec);
         return sd_journal_process(j);
-}</pre></div><div class="refsect1"><a name="idm214180851792"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
+}</pre></div><div class="refsect1"><a name="idm214172211280"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
                         <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
                         <a href="sd-journal.html"><span class="citerefentry"><span class="refentrytitle">sd-journal</span>(3)</span></a>,
                         <a href="sd_journal_open.html"><span class="citerefentry"><span class="refentrytitle">sd_journal_open</span>(3)</span></a>,
                         <a href="sd_journal_next.html"><span class="citerefentry"><span class="refentrytitle">sd_journal_next</span>(3)</span></a>,
-                        <a href="poll.html"><span class="citerefentry"><span class="refentrytitle">poll</span>(2)</span></a>,
-                        <a href="clock_gettime.html"><span class="citerefentry"><span class="refentrytitle">clock_gettime</span>(2)</span></a>
+                        <a href="http://man7.org/linux/man-pages/man2/poll.2.html"><span class="citerefentry"><span class="refentrytitle">poll</span>(2)</span></a>,
+                        <a href="http://man7.org/linux/man-pages/man2/clock_gettime.2.html"><span class="citerefentry"><span class="refentrytitle">clock_gettime</span>(2)</span></a>
                 </p></div></div></body></html>