<p></p>
<h3 dir="auto">Description</h3>
<p dir="auto">See <code>internal_get_dlg</code>:</p>
<div class="highlight highlight-source-c"><pre><span class="pl-k">static</span> <span class="pl-k">inline</span> <span class="pl-k">struct</span> dlg_cell* <span class="pl-en">internal_get_dlg</span>(<span class="pl-k">unsigned</span> <span class="pl-k">int</span> h_entry,
        str* callid, str* ftag, str* ttag,
        <span class="pl-k">unsigned</span> <span class="pl-k">int</span>* dir, <span class="pl-k">int</span> mode)
{
    <span class="pl-k">struct</span> dlg_cell* dlg;
    <span class="pl-k">struct</span> dlg_entry* d_entry;

    d_entry = &(d_table-><span class="pl-smi">entries</span>[h_entry]);

    <span class="pl-c1">dlg_lock</span>(d_table, d_entry);

    <span class="pl-k">for</span> (dlg = d_entry-><span class="pl-smi">first</span> ; dlg ; dlg = dlg-><span class="pl-smi">next</span>) {
        <span class="pl-c"><span class="pl-c">/*</span> Check callid / fromtag / totag <span class="pl-c">*/</span></span>
        <span class="pl-k">if</span> (<span class="pl-c1">match_dialog</span>(dlg, callid, ftag, ttag, dir) == <span class="pl-c1">1</span>) {
            <span class="pl-c1">ref_dlg_unsafe</span>(dlg, <span class="pl-c1">1</span>);
            <span class="pl-k">if</span> (<span class="pl-c1">likely</span>(mode == <span class="pl-c1">0</span>)) {
                <span class="pl-c1">dlg_unlock</span>(d_table, d_entry);
            }
            <span class="pl-c1">LM_DBG</span>(<span class="pl-s"><span class="pl-pds">"</span>dialog callid='<span class="pl-c1">%.*s</span>' found on entry <span class="pl-c1">%u</span>, dir=<span class="pl-c1">%d</span><span class="pl-cce">\n</span><span class="pl-pds">"</span></span>,
                   callid-><span class="pl-smi">len</span>, callid-><span class="pl-smi">s</span>, h_entry, *dir);
            <span class="pl-k">return</span> dlg;
        }
    }

    <span class="pl-k">if</span> (<span class="pl-c1">likely</span>(mode == <span class="pl-c1">0</span>)) {
        <span class="pl-c1">dlg_unlock</span>(d_table, d_entry);
    }
    <span class="pl-c1">LM_DBG</span>(<span class="pl-s"><span class="pl-pds">"</span>no dialog callid='<span class="pl-c1">%.*s</span>' found<span class="pl-cce">\n</span><span class="pl-pds">"</span></span>, callid-><span class="pl-smi">len</span>, callid-><span class="pl-smi">s</span>);
    <span class="pl-k">return</span> <span class="pl-c1">0</span>;
}</pre></div>
<p dir="auto">Should  judge whether <code>mode</code> is 0 before  <code>dlg_lock</code> .</p>

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