Lines Matching refs:popen

143         popen = self._popen
144         if popen is not None:
151         popen = self._popen
152         if popen is None:
167                 os.killpg(popen.pid, signal.SIGKILL)
169                 popen.kill()
194             popen = run_test_in_subprocess(test_name, self.ns)
197             self._popen = popen
211                 stdout, stderr = popen.communicate(timeout=self.timeout)
212                 retcode = popen.returncode
296         popen = self._popen
300         popen.stdout.close()
301         popen.stderr.close()
304             popen.wait(JOIN_TIMEOUT)