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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1746/">https://reviewboard.asterisk.org/r/1746/</a>
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<p style="margin-top: 0;">On February 15th, 2012, 9:13 p.m., <b>Russell Bryant</b> wrote:</p>
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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;">I think the documentation should strongly discourage the use of these functions unless they are absolutely necessary. It's fairly expensive (a malloc() per item in the container).</pre>
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<p>On February 16th, 2012, 12:50 p.m., <b>Matt Jordan</b> wrote:</p>
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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;">In Richard's defense, this is (I think) just as costly as using a OBJ_MULTIPLE iterator. This mechanism at least tells you that you are cloning the container, which somewhat implies that it isn't going to be a cheap operation.</pre>
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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;">And at least by providing an API for it, if the implementation can be improved in the future, that can be done transparently.</pre>
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<p>- Kevin</p>
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<p>On February 24th, 2012, 4:50 p.m., rmudgett wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By rmudgett.</div>
<p style="color: grey;"><i>Updated Feb. 24, 2012, 4:50 p.m.</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;">Occasionally there is a need to put all objects in one container also into another container.
Some reasons you might need to do this:
1) You need to reconfigure a container. You would do this by creating a new container with the new configuration and ao2_container_dup the old container into it. Then replace the old container with the new. Then destroy the old container.
2) You need the contents of a container to remain stable while operating on all of the objects. You would do this by creating a cloned container of the original with ao2_container_clone. The cloned container is a snapshot of the objects at the time of the cloning. When done, just destroy the cloned container.</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;">Added unit testing code to test the new ao2_container_clone and ao2_container_dup functions.
Tests still pass.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/tests/test_astobj2.c <span style="color: grey">(356735)</span></li>
<li>/trunk/include/asterisk/astobj2.h <span style="color: grey">(356735)</span></li>
<li>/trunk/main/astobj2.c <span style="color: grey">(356735)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1746/diff/" style="margin-left: 3em;">View Diff</a></p>
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