#!/usr/bin/python3

import os
import sys
import signal

def addsignalhandler(signame):
    sigval = getattr(signal, signame, None)
    if not sigval:
        return
    def cb(*_args):
        sys.stdout.write("%s\n" % signame)
        sys.stdout.flush()
    signal.signal(sigval, cb)

WINDOW_SIGNALS = os.environ.get("XPRA_WINDOW_SIGNALS",
                                "SIGINT,SIGTERM,SIGQUIT,SIGCONT,SIGUSR1,SIGUSR2,SIGPIPE").split(",")
for x in WINDOW_SIGNALS:
    addsignalhandler(x)

while True:
    if sys.stdin.readline():
        break