def _get_last_worker_died(self):
"""Return the last died worker information or None"""
for service_id in self._running_services:
# We copy the list to clean the orignal one
processes = list(self._running_services[service_id].items())
for process, worker_id in processes:
if not process.is_alive():
if process.exitcode < 0:
sig = _utils.signal_to_name(process.exitcode)
LOG.info('Child %(pid)d killed by signal %(sig)s',
dict(pid=process.pid, sig=sig))
else:
LOG.info('Child %(pid)d exited with status %(code)d',
dict(pid=process.pid, code=process.exitcode))
del self._running_services[service_id][process]
return service_id, worker_id
def _get_last_pid_died(self):
"""Return the last died service or None"""
try:
# Don't block if no child processes have exited
pid, status = os.waitpid(0, os.WNOHANG)
if not pid:
return None
except OSError as exc:
if exc.errno not in (errno.EINTR, errno.ECHILD):
raise
return None
if os.WIFSIGNALED(status):
sig = _utils.signal_to_name(os.WTERMSIG(status))
LOG.info('Child %(pid)d killed by signal %(sig)s',
dict(pid=pid, sig=sig))
else:
code = os.WEXITSTATUS(status)
LOG.info('Child %(pid)d exited with status %(code)d',
dict(pid=pid, code=code))
return pid