How to use _all_pids_dead method in avocado

Best Python code snippet using avocado_python

process.py

Source:process.py

...194                    positive=number_of_seconds)195    :return: list of all PIDs we sent signal to196    :rtype: list197    """198    def _all_pids_dead(killed_pids):199        for pid in killed_pids:200            if pid_exists(pid):201                return False202        return True203    if sig is None:204        sig = signal.SIGKILL205    if timeout > 0:206        start = time.monotonic()207    if not safe_kill(pid, signal.SIGSTOP):208        return [pid]209    killed_pids = [pid]210    for child in get_children_pids(pid):211        killed_pids.extend(kill_process_tree(int(child), sig, False))212    safe_kill(pid, sig)213    if send_sigcont:214        for pid in killed_pids:215            safe_kill(pid, signal.SIGCONT)216    if timeout == 0:217        return killed_pids218    elif timeout > 0:219        if not wait_for(_all_pids_dead, timeout + start - time.monotonic(),220                        step=0.01, args=(killed_pids[::-1],)):221            raise RuntimeError("Timeout reached when waiting for pid %s "222                               "and children to die (%s)" % (pid, timeout))223    else:224        while not _all_pids_dead(killed_pids[::-1]):225            time.sleep(0.01)226    return killed_pids227def kill_process_by_pattern(pattern):228    """229    Send SIGTERM signal to a process with matched pattern.230    :param pattern: normally only matched against the process name231    """232    cmd = "pkill -f %s" % pattern233    result = run(cmd, ignore_status=True)234    if result.exit_status:235        LOG.error("Failed to run '%s': %s", cmd, result)236    else:237        LOG.info("Succeed to run '%s'.", cmd)238def process_in_ptree_is_defunct(ppid):...

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