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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1072/">https://reviewboard.asterisk.org/r/1072/</a>
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<p style="margin-top: 0;">On January 10th, 2011, 2:42 a.m., <b>schmidts</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1072/diff/1/?file=14863#file14863line3929" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.6.2/main/pbx.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_extension_state(struct ast_channel *c, const char *context, const char *exten)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ao2_ref</span><span class="p">(</span><span class="n">statecbs</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">);</span> <span class="cm">/* decrement reference on container to reuse iterator */</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">sorry if this is a stupid question but why do you set the refcounter for this container one down?
you dont use the same container to iterate through so IMHO you dont need to reset the refcounter.
the iterator is reinitialised below this row for the callback container of this hint so i dont think you need this.
be honest if i am wrong ;)</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">You are correct, removed!</pre>
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<p style="margin-top: 0;">On January 10th, 2011, 2:42 a.m., <b>schmidts</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1072/diff/1/?file=14863#file14863line4132" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.6.2/main/pbx.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int ast_add_hint(struct ast_exten *e)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="n">hint</span><span class="o">-></span><span class="n">callbacks</span> <span class="o">=</span> <span class="n">ao2_container_alloc</span><span class="p">(</span><span class="n">HASH_EXTENHINT_SIZE</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="n">hint_id_cmp</span><span class="p">)))</span> <span class="p">{</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">IMHO you dont need to allocate this container with 563 buckets, cause you will in fact only need a link list.
The normal callback container should have buckets, even if they are useless cause all general callbacks have id=0.
maybe you could change this cause with this patch general and linked callbacks are split up.
the id=0 was only used to find these general callbacks.
but again the general callbacks and also the linked only need a link list ;)</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I think I'll just keep them separate for now and reduce its size.</pre>
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<p>- Jeff</p>
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<p>On January 7th, 2011, 3:06 p.m., Jeff Peeler wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Jeff Peeler.</div>
<p style="color: grey;"><i>Updated 2011-01-07 15:06:45</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Lock scenario:
Thread 1
holds ast_rdlock_contexts &conlock
holds handle_statechange hints
holds handle_statechange hint
waiting for cb_extensionstate
Locked Here: chan_sip.c line 7428 (find_call)
Thread 2
holds handle_request_do &netlock
holds find_call sip_pvt_ptr
waiting for ast_rdlock_contexts &conlock
Locked Here: pbx.c line 9911 (ast_rdlock_contexts)
Chan_sip has an established locking order of locking the sip_pvt and then getting the context lock. So the as stated by the summary, the operations in thread 2 have been modified to no longer require the context lock.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">one47 has reported on the issue that it has been going well so far (for 18 hours):
https://issues.asterisk.org/view.php?id=18310#130297</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/view.php?id=18310">18310</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.6.2/main/pbx.c <span style="color: grey">(301088)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1072/diff/" style="margin-left: 3em;">View Diff</a></p>
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