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Merge request <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1483">!1483</a> was reviewed by <a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a>
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<p style="color: #777777;">
<a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1483#note_720200779">lib/priority.c</a>:
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1454
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1445
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<pre style="margin: 0;"> <span id="LC1445" 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="LC1446" class="line" lang="c">                   <span class="n" style="color: #333;">GNUTLS_STATIC_MUTEX_LOCK</span><span class="p">(</span><span class="n" style="color: #333;">system_wide_config_mutex</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC1447" class="line" lang="c">                   <span class="n" style="color: #333;">_gnutls_update_system_priorities</span><span class="p">();</span></span>
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<p dir="auto">I don't understand in general: why have it inside the loop and not before it? It's not like there the loop duration is meaningfully long, and then if somebody manages to update the config in-between reloadings, I'm not sure I prefer switching to a new version mid-loop.</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1483#note_720200785">lib/priority.c</a>:
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1001
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1001
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<pre style="margin: 0;"> <span id="LC1001" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include <priority_options.h></span></span>
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<pre style="margin: 0;"> <span id="LC1002" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC1003" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/* Lock for reading and updating the following global variables prefixed with</span></span>
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<p dir="auto">Is it time to group them into a struct? If we aim for consistency between reading/updating them as a group, that could make it more explicit.</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1483#note_720200789">lib/priority.c</a>:
</p>
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<pre style="margin: 0;">+<span id="LC2293" class="line" lang="c">   <span class="cm" style="color: #998; font-style: italic;">/* This requires a lock so there are no inconsistencies in system_wide_*</span></span>
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<pre style="margin: 0;">+<span id="LC2294" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">        * loaded from the config file. */</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC2295" class="line" lang="c">   <span class="n" style="color: #333;">GNUTLS_STATIC_MUTEX_LOCK</span><span class="p">(</span><span class="n" style="color: #333;">system_wide_config_mutex</span><span class="p">);</span></span>
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<p dir="auto">Mild: I'd prefer locking inside the function or in an extra wrapper around it if it's inconvenient to overhaul its flow.</p>
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<p style="color: #777777;">
<a href="https://gitlab.com/asosedkin">Alexander Sosedkin</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1483#note_720200794">lib/priority.c</a>:
</p>
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<pre style="margin: 0;"> <span id="LC1368" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">_gnutls_unload_system_priorities</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span><span class="p">)</span></span>
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<p dir="auto">We deliberately don't lock in this one or <code>_clear_default_system_priority</code> because ensuring thread safety is on the caller of <code>gnutls_global_deinit</code>, right?</p>
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