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Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/signal/TestSendSignal.py')
-rw-r--r-- | packages/Python/lldbsuite/test/functionalities/signal/TestSendSignal.py | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/signal/TestSendSignal.py b/packages/Python/lldbsuite/test/functionalities/signal/TestSendSignal.py new file mode 100644 index 0000000..971b82a --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/signal/TestSendSignal.py @@ -0,0 +1,105 @@ +"""Test that lldb command 'process signal SIGUSR1' to send a signal to the inferior works.""" + +from __future__ import print_function + + + +import os, time, signal +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as 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') + + @expectedFailureFreeBSD("llvm.org/pr23318: does not report running state") + @skipIfWindows # Windows does not support signals + def test_with_run_command(self): + """Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process.""" + self.build() + exe = os.path.join(os.getcwd(), "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 = lldb.SBLaunchInfo([exe]) + 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.assertTrue(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.assertTrue(state == expected_state, + "It was the %s state." % + lldb.SBDebugger_StateAsCString(expected_state)) |