if opts.exit_with_children:
assert opts.children
if opts.children:
children_pids = set()
for child_cmd in opts.children:
try:
children_pids.add(
subprocess.Popen(child_cmd, shell=True,
close_fds=True).pid)
except OSError, e:
sys.stderr.write("Error spawning child '%s': %s\n" %
(child_cmd, e))
child_reaper.set_children_pids(children_pids)
# Check once after the mainloop is running, just in case the exit
# conditions are satisfied before we even enter the main loop.
# (Programming with unix the signal API sure is annoying.)
def check_once():
child_reaper.check()
return False # Only call once
gobject.timeout_add(0, check_once)
_cleanups.insert(0, app.cleanup)
if app.run():
print("upgrading: not cleaning up Xvfb or socket")
# Upgrading, so leave X server running
# and don't delete the new socket (not ours)
_cleanups.remove(kill_xvfb)
_cleanups.remove(cleanup_socket)
return 0
# Always register the child reaper, because even if exit_with_children is
# false, we still need to reap them somehow to avoid zombies:
signal.signal(signal.SIGCHLD, child_reaper)
if opts.exit_with_children:
assert opts.children
if opts.children:
children_pids = set()
for child_cmd in opts.children:
try:
children_pids.add(subprocess.Popen(child_cmd, shell=True).pid)
except OSError, e:
sys.stderr.write("Error spawning child '%s': %s\n"
% (child_cmd, e))
child_reaper.set_children_pids(children_pids)
# Check once after the mainloop is running, just in case the exit
# conditions are satisfied before we even enter the main loop.
# (Programming with unix the signal API sure is annoying.)
def check_once():
child_reaper.check()
return False # Only call once
gobject.timeout_add(0, check_once)
_cleanups.insert(0, app.cleanup)
if app.run():
print("upgrading: not cleaning up Xvfb or socket")
# Upgrading, so leave X server running
# and don't delete the new socket (not ours)
_cleanups.remove(kill_xvfb)
_cleanups.remove(cleanup_socket)
return 0
#disable ubuntu's global menu using env vars:
env = os.environ.copy()
if os.name=="posix":
env["UBUNTU_MENUPROXY"] = ""
env["QT_X11_NO_NATIVE_MENUBAR"] = "1"
for child_cmd in opts.start_child:
if child_cmd:
try:
proc = subprocess.Popen(child_cmd, env=env, shell=True, close_fds=True)
children_pids[proc.pid] = child_cmd
procs.append(proc)
except OSError, e:
sys.stderr.write("Error spawning child '%s': %s\n"
% (child_cmd, e))
_cleanups.insert(0, app.cleanup)
signal.signal(signal.SIGTERM, app.signal_quit)
signal.signal(signal.SIGINT, app.signal_quit)
try:
e = app.run()
except KeyboardInterrupt:
e = 0
if e>0:
log.info("upgrading: not cleaning up Xvfb or socket")
# Upgrading, so leave X server running
# and don't delete the new socket (not ours)
if kill_xvfb in _cleanups:
_cleanups.remove(kill_xvfb)
_cleanups.remove(cleanup_socket)
return 0
