Files
Jonas Devlieghere 86aa8e6363 [lldb] Use target.GetLaunchInfo() instead of creating an empty one.
Update tests that were creating an empty LaunchInfo instead of using the
one coming from the target. This ensures target properties are honored.
2020-08-06 11:51:26 -07:00

114 lines
4.3 KiB
Python

"""Test that lldb command 'process signal SIGUSR1' to send a signal to the inferior works."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class SendSignalTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', 'Put breakpoint here')
@expectedFailureAll(
oslist=['freebsd'],
bugnumber="llvm.org/pr23318: does not report running state")
@expectedFailureNetBSD(bugnumber='llvm.org/pr43959')
@skipIfWindows # Windows does not support signals
@skipIfReproducer # FIXME: Unexpected packet during (active) replay
def test_with_run_command(self):
"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
self.build()
exe = self.getBuildArtifact("a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateByLocation('main.c', self.line)
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Get the breakpoint location from breakpoint after we verified that,
# indeed, it has one location.
location = breakpoint.GetLocationAtIndex(0)
self.assertTrue(location and
location.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
# Now launch the process, no arguments & do not stop at entry point.
launch_info = target.GetLaunchInfo()
launch_info.SetWorkingDirectory(self.get_process_working_directory())
process_listener = lldb.SBListener("signal_test_listener")
launch_info.SetListener(process_listener)
error = lldb.SBError()
process = target.Launch(launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
self.runCmd("process handle -n False -p True -s True SIGUSR1")
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid(), "We hit the first breakpoint.")
# After resuming the process, send it a SIGUSR1 signal.
self.setAsync(True)
self.assertTrue(
process_listener.IsValid(),
"Got a good process listener")
# Disable our breakpoint, we don't want to hit it anymore...
breakpoint.SetEnabled(False)
# Now continue:
process.Continue()
# If running remote test, there should be a connected event
if lldb.remote_platform:
self.match_state(process_listener, lldb.eStateConnected)
self.match_state(process_listener, lldb.eStateRunning)
# Now signal the process, and make sure it stops:
process.Signal(lldbutil.get_signal_number('SIGUSR1'))
self.match_state(process_listener, lldb.eStateStopped)
# Now make sure the thread was stopped with a SIGUSR1:
threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonSignal)
self.assertEquals(len(threads), 1, "One thread stopped for a signal.")
thread = threads[0]
self.assertTrue(
thread.GetStopReasonDataCount() >= 1,
"There was data in the event.")
self.assertTrue(
thread.GetStopReasonDataAtIndex(0) == lldbutil.get_signal_number('SIGUSR1'),
"The stop signal was SIGUSR1")
def match_state(self, process_listener, expected_state):
num_seconds = 5
broadcaster = self.process().GetBroadcaster()
event_type_mask = lldb.SBProcess.eBroadcastBitStateChanged
event = lldb.SBEvent()
got_event = process_listener.WaitForEventForBroadcasterWithType(
num_seconds, broadcaster, event_type_mask, event)
self.assertTrue(got_event, "Got an event")
state = lldb.SBProcess.GetStateFromEvent(event)
self.assertEquals(state, expected_state,
"It was the %s state." %
lldb.SBDebugger_StateAsCString(expected_state))