def _read_completed(self, data):
"""
Called when dd process has closed stderr. At this point the process may
be still running.
"""
assert self._state is not IDLE
self._reader = None
self._err = data
rc = self._proc.poll()
# About 95% of runs, the process has terminated at this point. If not,
# start the reaper to wait for it.
if rc is None:
self._reaper = asyncevent.Reaper(self._loop, self._proc,
self._check_completed)
return
self._check_completed(rc)
def _read_completed(self, data):
"""
Called when dd process has closed stderr. At this point the process may
be still running.
"""
assert self._state is not IDLE
self._reader = None
# Avoid leaking self._proc.stderr. The pipe should be closed
# automatically after we clear the reference to self._proc, but we see
# clear leak for every failing check.
# See https://bugzilla.redhat.com/2075795
self._proc.stderr.close()
self._err = data
rc = self._proc.poll()
# About 95% of runs, the process has terminated at this point. If not,
# start the reaper to wait for it.
if rc is None:
self._reaper = asyncevent.Reaper(self._loop, self._proc,
self._check_completed)
return
self._check_completed(rc)
def reap(self, cmd):
proc = subprocess.Popen(cmd, stdin=None, stdout=None, stderr=None)
asyncevent.Reaper(self.loop, proc, self.complete)
self.loop.run_forever()
