Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
setDocumentLocator(locator={columnNumber=1, lineNumber=1})
startDocument()
skippedEntity(name="foo")
startElement(namespaceURI="", localName="doc", qName="doc", atts=[{localName="a", qName="a", uri="", type="CDATA", value=""}])
endElement(namespaceURI="", localName="doc", qName="doc")
endDocument()