K 10
svn:author
V 7
davidxu
K 8
svn:date
V 27
2010-09-19T09:03:11.522038Z
K 7
svn:log
V 146
Because atfork lock is held while forking, a thread cancellation triggered
by atfork handler is unsafe, use intenal flag no_cancel to disable it.

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