Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
<?xml version="1.0"?>
<svg width="12cm" height="4cm" viewBox="0 0 1200 400"
xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny">
<desc>Example circle01 - circle filled with red and stroked with blue</desc>
<!-- Show outline of canvas using 'rect' element -->
<rect x="1" y="1" width="1198" height="398"
fill="none" stroke="blue" stroke-width="2"/>
<circle cx="600" cy="200" r="100"
fill="red" stroke="blue" stroke-width="10" />
</svg>