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<h3>
Hal Murray pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/f1a139452f242e0ec96f52c2df1a2e47ca33325e">f1a13945</a></strong>
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<span>by Hal Murray</span>
<i>at 2017-04-13T17:51:29-07:00</i>
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<pre class="commit-message" style="margin: 0; white-space: pre-wrap">Rats. Missed one on DNS cleanup
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<h4>1 changed file:</h4>
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+
libntp/ntp_dns.c
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<h4>Changes:</h4>
<li id="195360c281b35c21f8d677abd6ca9a9d694204bb">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/f1a139452f242e0ec96f52c2df1a2e47ca33325e#195360c281b35c21f8d677abd6ca9a9d694204bb"><strong>libntp/ntp_dns.c</strong></a>
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<pre style="margin: 0">+<span id="LC1" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic">/*</span></span>
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<pre style="margin: 0">+<span id="LC2" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> * Copyright (c) 1983, 1993</span></span>
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<pre style="margin: 0">+<span id="LC3" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> * The Regents of the University of California. All rights reserved.</span></span>
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<pre style="margin: 0">+<span id="LC4" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> * Copyright 2015 by the NTPsec project contributors</span></span>
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<pre style="margin: 0">+<span id="LC5" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> * SPDX-License-Identifier: BSD-4-clause</span></span>
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<pre style="margin: 0">+<span id="LC6" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> */</span></span>
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<pre style="margin: 0">+<span id="LC7" class="line" lang="c"></span>
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<pre style="margin: 0">+<span id="LC8" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include "config.h"</span></span>
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<pre style="margin: 0">+<span id="LC9" class="line" lang="c"></span>
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<pre style="margin: 0">+<span id="LC10" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include <signal.h></span></span>
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<pre style="margin: 0">+<span id="LC11" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include <pthread.h></span></span>
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<pre style="margin: 0">+<span id="LC12" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include <sys/types.h></span></span>
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<pre style="margin: 0">+<span id="LC13" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include <unistd.h></span></span>
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<pre style="margin: 0">+<span id="LC14" class="line" lang="c"></span>
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<pre style="margin: 0">+<span id="LC15" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include "ntpd.h"</span></span>
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<pre style="margin: 0">+<span id="LC16" class="line" lang="c"><span class="cp" style="color: #999; font-weight: bold">#include "ntp_dns.h"</span></span>
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<pre style="margin: 0">+<span id="LC19" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic">/* Notes:</span></span>
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<pre style="margin: 0">+<span id="LC21" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> Only one DNS lookup active at a time</span></span>
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<pre style="margin: 0">+<span id="LC22" class="line" lang="c"></span>
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<pre style="margin: 0">+<span id="LC23" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> peer->srcadr holds IPv4/IPv6/UNSPEC flag</span></span>
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<pre style="margin: 0">+<span id="LC24" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> peer->hmode holds DNS retry time (log 2)</span></span>
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<pre style="margin: 0">+<span id="LC25" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> FLAG_DNS used in server case to indicate need DNS</span></span>
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<pre style="margin: 0">+<span id="LC26" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> </span></span>
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<pre style="margin: 0">+<span id="LC27" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> Server can't lookup again after finding an answer</span></span>
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<pre style="margin: 0">+<span id="LC28" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> answer uses same peer slot, turns off FLAG_DNS</span></span>
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<pre style="margin: 0">+<span id="LC29" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> srcadr+hmode changed by normal code</span></span>
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<pre style="margin: 0">+<span id="LC30" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> server can't lookup again if answer stops responding</span></span>
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<pre style="margin: 0">+<span id="LC31" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> Pool case makes new peer slots, pool slot unchanged</span></span>
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<pre style="margin: 0">+<span id="LC32" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic"> so OK for another lookup</span></span>
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<pre style="margin: 0">+<span id="LC33" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic">*/</span></span>
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<pre style="margin: 0">+<span id="LC35" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">peer</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">active</span> <span class="o" style="font-weight: bold">=</span> <span class="nb" style="color: #0086b3">NULL</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* busy flag */</span></span>
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36
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<pre style="margin: 0">+<span id="LC36" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="n" style="color: #333">pthread_t</span> <span class="n" style="color: #333">worker</span><span class="p">;</span></span>
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<pre style="margin: 0">+<span id="LC37" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">gai_rc</span><span class="p">;</span></span>
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38
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<pre style="margin: 0">+<span id="LC38" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">addrinfo</span> <span class="o" style="font-weight: bold">*</span><span class="n" style="color: #333">answer</span><span class="p">;</span></span>
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39
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<pre style="margin: 0">+<span id="LC39" class="line" lang="c"></span>
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<pre style="margin: 0">+<span id="LC40" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="kt" style="color: #458; font-weight: bold">void</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">dns_lookup</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">arg</span><span class="p">);</span></span>
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<pre style="margin: 0">+<span id="LC43" class="line" lang="c"><span class="n" style="color: #333">bool</span> <span class="nf" style="color: #900; font-weight: bold">dns_probe</span><span class="p">(</span><span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">peer</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">pp</span><span class="p">)</span></span>
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<pre style="margin: 0">+<span id="LC44" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0">+<span id="LC45" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">rc</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="46" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
46
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<pre style="margin: 0">+<span id="LC46" class="line" lang="c"> <span class="n" style="color: #333">pthread_attr_t</span> <span class="n" style="color: #333">thr_attr</span><span class="p">;</span></span>
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47
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<pre style="margin: 0">+<span id="LC47" class="line" lang="c"> <span class="n" style="color: #333">sigset_t</span> <span class="n" style="color: #333">block_mask</span><span class="p">,</span> <span class="n" style="color: #333">saved_sig_mask</span><span class="p">;</span></span>
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48
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<pre style="margin: 0">+<span id="LC48" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="49" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
49
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<pre style="margin: 0">+<span id="LC49" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_INFO</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_probe: %s, 0x%x"</span><span class="p">,</span> <span class="n" style="color: #333">pp</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">hostname</span><span class="p">,</span> <span class="n" style="color: #333">pp</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">cast_flags</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="50" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
50
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<pre style="margin: 0">+<span id="LC50" class="line" lang="c"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="nb" style="color: #0086b3">NULL</span> <span class="o" style="font-weight: bold">!=</span> <span class="n" style="color: #333">active</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="51" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
51
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<pre style="margin: 0">+<span id="LC51" class="line" lang="c"> <span class="k" style="font-weight: bold">return</span> <span class="nb" style="color: #0086b3">false</span><span class="p">;</span></span>
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52
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<pre style="margin: 0">+<span id="LC52" class="line" lang="c"> <span class="n" style="color: #333">active</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">pp</span><span class="p">;</span></span>
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53
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<pre style="margin: 0">+<span id="LC53" class="line" lang="c"></span>
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54
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<pre style="margin: 0">+<span id="LC54" class="line" lang="c"> <span class="n" style="color: #333">pthread_attr_init</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">thr_attr</span><span class="p">);</span></span>
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55
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<pre style="margin: 0">+<span id="LC55" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic">/* FIXME-DNS: stack size? */</span></span>
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56
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<pre style="margin: 0">+<span id="LC56" class="line" lang="c"> <span class="n" style="color: #333">sigfillset</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">block_mask</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="57" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
57
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<pre style="margin: 0">+<span id="LC57" class="line" lang="c"> <span class="n" style="color: #333">pthread_sigmask</span><span class="p">(</span><span class="n" style="color: #333">SIG_BLOCK</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">block_mask</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">saved_sig_mask</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="58" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
58
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<pre style="margin: 0">+<span id="LC58" class="line" lang="c"> <span class="n" style="color: #333">rc</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">pthread_create</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">worker</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">thr_attr</span><span class="p">,</span> <span class="n" style="color: #333">dns_lookup</span><span class="p">,</span> <span class="n" style="color: #333">pp</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="59" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
59
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<pre style="margin: 0">+<span id="LC59" class="line" lang="c"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">rc</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="60" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
60
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<pre style="margin: 0">+<span id="LC60" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_ERR</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_probe: error from pthread_create: %s, %m"</span><span class="p">,</span> <span class="n" style="color: #333">pp</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">hostname</span><span class="p">);</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="61" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
61
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<pre style="margin: 0">+<span id="LC61" class="line" lang="c"> <span class="k" style="font-weight: bold">return</span> <span class="nb" style="color: #0086b3">true</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* don't try again */</span></span>
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62
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<pre style="margin: 0">+<span id="LC62" class="line" lang="c"> <span class="p">}</span></span>
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63
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<pre style="margin: 0">+<span id="LC63" class="line" lang="c"> <span class="n" style="color: #333">pthread_sigmask</span><span class="p">(</span><span class="n" style="color: #333">SIG_SETMASK</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">saved_sig_mask</span><span class="p">,</span> <span class="nb" style="color: #0086b3">NULL</span><span class="p">);</span></span>
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64
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<pre style="margin: 0">+<span id="LC64" class="line" lang="c"> <span class="n" style="color: #333">pthread_attr_destroy</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">thr_attr</span><span class="p">);</span></span>
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65
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<pre style="margin: 0">+<span id="LC65" class="line" lang="c"></span>
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66
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<pre style="margin: 0">+<span id="LC66" class="line" lang="c"> <span class="k" style="font-weight: bold">return</span> <span class="nb" style="color: #0086b3">true</span><span class="p">;</span></span>
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67
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<pre style="margin: 0">+<span id="LC67" class="line" lang="c"><span class="p">};</span></span>
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68
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<pre style="margin: 0">+<span id="LC68" class="line" lang="c"></span>
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69
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<pre style="margin: 0">+<span id="LC69" class="line" lang="c"><span class="kt" style="color: #458; font-weight: bold">void</span> <span class="nf" style="color: #900; font-weight: bold">dns_check</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="p">)</span></span>
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70
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<pre style="margin: 0">+<span id="LC70" class="line" lang="c"><span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="71" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
71
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<pre style="margin: 0">+<span id="LC71" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">rc</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="72" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
72
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<pre style="margin: 0">+<span id="LC72" class="line" lang="c"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">addrinfo</span> <span class="o" style="font-weight: bold">*</span><span class="n" style="color: #333">ai</span><span class="p">;</span></span>
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73
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<pre style="margin: 0">+<span id="LC73" class="line" lang="c"> <span class="n" style="color: #333">sockaddr_u</span> <span class="n" style="color: #333">sockaddr</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="74" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
74
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<pre style="margin: 0">+<span id="LC74" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="75" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
75
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<pre style="margin: 0">+<span id="LC75" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_INFO</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_check: lookup for %s"</span><span class="p">,</span> <span class="n" style="color: #333">active</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">hostname</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="76" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
76
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<pre style="margin: 0">+<span id="LC76" class="line" lang="c"> <span class="n" style="color: #333">rc</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">pthread_join</span><span class="p">(</span><span class="n" style="color: #333">worker</span><span class="p">,</span> <span class="nb" style="color: #0086b3">NULL</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="77" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
77
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<pre style="margin: 0">+<span id="LC77" class="line" lang="c"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="mi" style="color: #099">0</span> <span class="o" style="font-weight: bold">!=</span> <span class="n" style="color: #333">rc</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="78" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
78
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<pre style="margin: 0">+<span id="LC78" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_ERR</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_check: join failed %m"</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="79" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
79
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<pre style="margin: 0">+<span id="LC79" class="line" lang="c"> <span class="k" style="font-weight: bold">return</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* leaves active set */</span></span>
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80
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<pre style="margin: 0">+<span id="LC80" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="81" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
81
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<pre style="margin: 0">+<span id="LC81" class="line" lang="c"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="mi" style="color: #099">0</span> <span class="o" style="font-weight: bold">!=</span> <span class="n" style="color: #333">gai_rc</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="82" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
82
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<pre style="margin: 0">+<span id="LC82" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_INFO</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_check: join failed %s"</span><span class="p">,</span></span>
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83
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<pre style="margin: 0">+<span id="LC83" class="line" lang="c"> <span class="n" style="color: #333">gai_strerror</span><span class="p">(</span><span class="n" style="color: #333">gai_rc</span><span class="p">));</span></span>
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<td class="diff-line-num new new_line" data-linenumber="84" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
84
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<pre style="margin: 0">+<span id="LC84" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic">/* FIXME-DNS callback with null? */</span></span>
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85
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<pre style="margin: 0">+<span id="LC85" class="line" lang="c"> <span class="n" style="color: #333">active</span> <span class="o" style="font-weight: bold">=</span> <span class="nb" style="color: #0086b3">NULL</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="86" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
86
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<pre style="margin: 0">+<span id="LC86" class="line" lang="c"> <span class="k" style="font-weight: bold">return</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="87" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
87
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<pre style="margin: 0">+<span id="LC87" class="line" lang="c"> <span class="p">}</span></span>
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88
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<pre style="margin: 0">+<span id="LC88" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="89" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
89
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<pre style="margin: 0">+<span id="LC89" class="line" lang="c"> <span class="k" style="font-weight: bold">for</span> <span class="p">(</span><span class="n" style="color: #333">ai</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">answer</span><span class="p">;</span> <span class="nb" style="color: #0086b3">NULL</span> <span class="o" style="font-weight: bold">!=</span> <span class="n" style="color: #333">ai</span><span class="p">;</span> <span class="n" style="color: #333">ai</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">ai</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">ai_next</span><span class="p">)</span> <span class="p">{</span></span>
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90
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<pre style="margin: 0">+<span id="LC90" class="line" lang="c"> <span class="n" style="color: #333">sockaddr</span><span class="p">.</span><span class="n" style="color: #333">sa</span> <span class="o" style="font-weight: bold">=</span> <span class="o" style="font-weight: bold">*</span><span class="n" style="color: #333">ai</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">ai_addr</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="91" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
91
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<pre style="margin: 0">+<span id="LC91" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_INFO</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_check: found %s=%s"</span><span class="p">,</span></span>
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<td class="diff-line-num new new_line" data-linenumber="92" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
92
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<pre style="margin: 0">+<span id="LC92" class="line" lang="c"> <span class="n" style="color: #333">socktoa</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">sockaddr</span><span class="p">),</span> <span class="n" style="color: #333">ai</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">ai_canonname</span><span class="p">);</span></span>
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93
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<pre style="margin: 0">+<span id="LC93" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="94" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
94
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<pre style="margin: 0">+<span id="LC94" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="95" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
95
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<pre style="margin: 0">+<span id="LC95" class="line" lang="c"> <span class="n" style="color: #333">msyslog</span><span class="p">(</span><span class="n" style="color: #333">LOG_INFO</span><span class="p">,</span> <span class="s" style="color: #d14">"dns_check: processing %s, %x"</span><span class="p">,</span></span>
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<td class="diff-line-num new new_line" data-linenumber="96" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
96
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<pre style="margin: 0">+<span id="LC96" class="line" lang="c"> <span class="n" style="color: #333">active</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">hostname</span><span class="p">,</span> <span class="n" style="color: #333">active</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">cast_flags</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="97" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
97
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<pre style="margin: 0">+<span id="LC97" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="98" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
98
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<pre style="margin: 0">+<span id="LC98" class="line" lang="c"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">active</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">cast_flags</span> <span class="o" style="font-weight: bold">&</span> <span class="n" style="color: #333">MDF_POOL</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="99" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
99
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<pre style="margin: 0">+<span id="LC99" class="line" lang="c"> <span class="n" style="color: #333">pool_take_dns</span><span class="p">(</span><span class="n" style="color: #333">active</span><span class="p">,</span> <span class="n" style="color: #333">answer</span><span class="p">);</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="100" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
100
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<pre style="margin: 0">+<span id="LC100" class="line" lang="c"> <span class="k" style="font-weight: bold">else</span></span>
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<td class="diff-line-num new new_line" data-linenumber="101" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
101
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<pre style="margin: 0">+<span id="LC101" class="line" lang="c"> <span class="n" style="color: #333">server_take_dns</span><span class="p">(</span><span class="n" style="color: #333">active</span><span class="p">,</span> <span class="n" style="color: #333">answer</span><span class="p">);</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="102" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
102
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<pre style="margin: 0">+<span id="LC103" class="line" lang="c"> <span class="n" style="color: #333">active</span> <span class="o" style="font-weight: bold">=</span> <span class="nb" style="color: #0086b3">NULL</span><span class="p">;</span></span>
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104
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<pre style="margin: 0">+<span id="LC104" class="line" lang="c"><span class="p">};</span></span>
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106
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<pre style="margin: 0">+<span id="LC106" class="line" lang="c"><span class="kt" style="color: #458; font-weight: bold">void</span> <span class="nf" style="color: #900; font-weight: bold">dns_cancel</span><span class="p">(</span><span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">peer</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">pp</span><span class="p">)</span></span>
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<pre style="margin: 0">+<span id="LC107" class="line" lang="c"><span class="p">{</span></span>
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108
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<pre style="margin: 0">+<span id="LC108" class="line" lang="c"> <span class="n" style="color: #333">UNUSED_ARG</span><span class="p">(</span><span class="n" style="color: #333">pp</span><span class="p">);</span></span>
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109
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<pre style="margin: 0">+<span id="LC109" class="line" lang="c"><span class="p">};</span></span>
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110
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111
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<pre style="margin: 0">+<span id="LC111" class="line" lang="c"><span class="kt" style="color: #458; font-weight: bold">void</span> <span class="nf" style="color: #900; font-weight: bold">dns_new_interface</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="p">)</span></span>
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<pre style="margin: 0">+<span id="LC112" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0">+<span id="LC113" class="line" lang="c"><span class="p">};</span></span>
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114
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<pre style="margin: 0">+<span id="LC115" class="line" lang="c"><span class="k" style="font-weight: bold">static</span> <span class="kt" style="color: #458; font-weight: bold">void</span><span class="o" style="font-weight: bold">*</span> <span class="nf" style="color: #900; font-weight: bold">dns_lookup</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="o" style="font-weight: bold">*</span> <span class="n" style="color: #333">arg</span><span class="p">)</span></span>
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116
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<pre style="margin: 0">+<span id="LC116" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0">+<span id="LC117" class="line" lang="c"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">peer</span> <span class="o" style="font-weight: bold">*</span><span class="n" style="color: #333">pp</span> <span class="o" style="font-weight: bold">=</span> <span class="p">(</span><span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">peer</span> <span class="o" style="font-weight: bold">*</span><span class="p">)</span> <span class="n" style="color: #333">arg</span><span class="p">;</span></span>
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<pre style="margin: 0">+<span id="LC118" class="line" lang="c"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">addrinfo</span> <span class="n" style="color: #333">hints</span><span class="p">;</span></span>
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<pre style="margin: 0">+<span id="LC119" class="line" lang="c"></span>
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120
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<pre style="margin: 0">+<span id="LC120" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic">// FIXME-DNS need occasional res_init()</span></span>
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121
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<pre style="margin: 0">+<span id="LC121" class="line" lang="c"> <span class="n" style="color: #333">ZERO</span><span class="p">(</span><span class="n" style="color: #333">hints</span><span class="p">);</span></span>
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122
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<pre style="margin: 0">+<span id="LC122" class="line" lang="c"> <span class="n" style="color: #333">hints</span><span class="p">.</span><span class="n" style="color: #333">ai_protocol</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">IPPROTO_UDP</span><span class="p">;</span></span>
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123
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<pre style="margin: 0">+<span id="LC123" class="line" lang="c"> <span class="n" style="color: #333">hints</span><span class="p">.</span><span class="n" style="color: #333">ai_socktype</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">SOCK_DGRAM</span><span class="p">;</span></span>
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124
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<pre style="margin: 0">+<span id="LC124" class="line" lang="c"> <span class="n" style="color: #333">hints</span><span class="p">.</span><span class="n" style="color: #333">ai_family</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">AF</span><span class="p">(</span><span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">pp</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">srcadr</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="125" style="background: #cdedda; border-right-color: #bae6cc; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#cdedda">
125
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<pre style="margin: 0">+<span id="LC125" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic">// FIXME-DNS</span></span>
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126
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<pre style="margin: 0">+<span id="LC126" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic">// hints.ai_family = my_node->addr->type;</span></span>
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127
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<pre style="margin: 0">+<span id="LC127" class="line" lang="c"> <span class="n" style="color: #333">gai_rc</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">getaddrinfo</span><span class="p">(</span><span class="n" style="color: #333">pp</span><span class="o" style="font-weight: bold">-></span><span class="n" style="color: #333">hostname</span><span class="p">,</span> <span class="s" style="color: #d14">"ntp"</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">hints</span><span class="p">,</span> <span class="o" style="font-weight: bold">&</span><span class="n" style="color: #333">answer</span><span class="p">);</span></span>
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128
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129
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<pre style="margin: 0">+<span id="LC129" class="line" lang="c"> <span class="n" style="color: #333">kill</span><span class="p">(</span><span class="n" style="color: #333">getpid</span><span class="p">(),</span> <span class="n" style="color: #333">SIGDNS</span><span class="p">);</span></span>
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130
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<pre style="margin: 0">+<span id="LC130" class="line" lang="c"> <span class="n" style="color: #333">pthread_exit</span><span class="p">(</span><span class="nb" style="color: #0086b3">NULL</span><span class="p">);</span></span>
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<pre style="margin: 0">+<span id="LC131" class="line" lang="c"><span class="p">};</span></span>
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<pre style="margin: 0">+<span id="LC133" class="line" lang="c"></span></pre>
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