properly close OutStream and various fixes #1305
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In order to support proper execution after resuming from an embedded kernel, we have to make sure that we can revert the IO alterations by the kernelapp using the
close()
method. The following fixes were made:close
beforeembed
returnsOutStream
close()
to pipe for watching thread if it's already dead or missingclosed
so that "close" can be called multiple times without any error__stdout__
and__stderr__
at allblackhole
reference around so that the watching thread's pipe file descriptors do not get accidentally closed when the object is garbage collected (it happens now because it is not stored in__stdout__
)