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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Improve thread safety of Cairo Font on Windows"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73012">73012</a>
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<th>Assignee</th>
<td>cairo-bugs@cairographics.org
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<th>Summary</th>
<td>Improve thread safety of Cairo Font on Windows
</td>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
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<th>Severity</th>
<td>normal
</td>
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<th>Classification</th>
<td>Unclassified
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<th>OS</th>
<td>Windows (All)
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<th>Reporter</th>
<td>fanc999@yahoo.com.tw
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<th>Hardware</th>
<td>Other
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>win32 backend
</td>
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<th>Product</th>
<td>cairo
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<pre>Hi,
In its current state, the HDC in cairo-win32-font.c is a static variable that
can be compromised if multiple threads are attempting to create HDC's for
Windows to render the fonts, making this code thread-unsafe. This also makes
PangoCairo (which also relies on this code) unable to run in a thread-safe
manner, which I am also trying to investigate and fix[1].
This bug attempts to track my try, based on someone else's patch, to tackle
this issue.
[1]:<a href="https://bugzilla.gnome.org/show_bug.cgi?id=695913">https://bugzilla.gnome.org/show_bug.cgi?id=695913</a></pre>
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