def run(test, params, env):
"""
Start libvirt daemon with break point inserted.
And then kill daemon ensure no sigsegv happends.
"""
signal_name = params.get("signal", "SIGTERM")
send_signal_at = params.get("send_signal_at", None)
def _signal_callback(gdb, info, params):
"""
Callback function when a signal is received by libvirtd.
"""
params['recieved'] = True
logging.debug("Signal received:")
logging.debug(info)
def _break_callback(gdb, info, params):
"""
Callback function when a breakpoint is reached.
"""
for line in gdb.back_trace():
logging.debug(line)
gdb.send_signal(signal_name)
gdb.cont()
def get_service(send_signal_at):
"""
Get the name of the service
:param send_signal_at: The function to set breakpoint
:return: Service name
"""
return {
'netcfStateInitialize': 'virtinterfaced',
'networkStateInitialize': 'virtnetworkd',
'nwfilterStateInitialize': 'virtnwfilterd'
}.get(send_signal_at)
serv_name = get_service(send_signal_at)
bundle = {'recieved': False}
libvirtd = LibvirtdSession(service_name=serv_name, gdb=True)
try:
libvirtd.set_callback('break', _break_callback)
libvirtd.set_callback('signal', _signal_callback, bundle)
libvirtd.insert_break(send_signal_at)
libvirtd.start(wait_for_working=False)
if not utils_misc.wait_for(lambda: bundle['recieved'], 20, 0.5):
test.fail("Expect receive signal, but not.")
finally:
libvirtd.exit()
# Need to restart libvirtd.socket after starting libvirtd in the foreground
Libvirtd("libvirtd.socket").restart()
def run(test, params, env):
"""
Start libvirt daemon with break point inserted.
And then kill daemon ensure no sigsegv happends.
"""
signal_name = params.get("signal", "SIGTERM")
send_signal_at = params.get("send_signal_at", None)
def _signal_callback(gdb, info, params):
"""
Callback function when a signal is recieved by libvirtd.
"""
params['recieved'] = True
logging.debug("Signal recieved:")
logging.debug(info)
def _break_callback(gdb, info, params):
"""
Callback function when a breakpoint is reached.
"""
for line in gdb.back_trace():
logging.debug(line)
gdb.send_signal(signal_name)
gdb.cont()
bundle = {'recieved': False}
libvirtd = LibvirtdSession(gdb=True)
try:
libvirtd.set_callback('break', _break_callback)
libvirtd.set_callback('signal', _signal_callback, bundle)
libvirtd.insert_break(send_signal_at)
libvirtd.start(wait_for_working=False)
if not utils_misc.wait_for(lambda: bundle['recieved'], 20, 0.5):
test.fail("Expect recieve signal, but not.")
finally:
libvirtd.exit()
# Need to restart libvirtd.socket after starting libvirtd in the foreground
process.system("systemctl restart libvirtd.socket", ignore_status=True)
def run(test, params, env):
"""
Start libvirt daemon with break point inserted.
And then kill daemon ensure no sigsegv happends.
"""
signal_name = params.get("signal", "SIGTERM")
send_signal_at = params.get("send_signal_at", None)
def _signal_callback(gdb, info, params):
"""
Callback function when a signal is recieved by libvirtd.
"""
params['recieved'] = True
logging.debug("Signal recieved:")
logging.debug(info)
def _break_callback(gdb, info, params):
"""
Callback function when a breakpoint is reached.
"""
for line in gdb.back_trace():
logging.debug(line)
gdb.send_signal(signal_name)
gdb.cont()
bundle = {'recieved': False}
libvirtd = LibvirtdSession(gdb=True)
try:
libvirtd.set_callback('break', _break_callback)
libvirtd.set_callback('signal', _signal_callback, bundle)
libvirtd.insert_break(send_signal_at)
libvirtd.start(wait_for_working=False)
if not utils_misc.wait_for(lambda: bundle['recieved'], 60, 0.5):
raise error.TestFail("Expect recieve signal, but not.")
finally:
libvirtd.exit()
