| """Test that we get thread names when interrupting a process.""" |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestInterruptThreadNames(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| |
| @skipUnlessDarwin |
| @add_test_categories(['pyapi']) |
| def test_with_python_api(self): |
| """Test that we get thread names when interrupting a process.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| launch_info = lldb.SBLaunchInfo(None) |
| error = lldb.SBError() |
| lldb.debugger.SetAsync(True) |
| process = target.Launch(launch_info, error) |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| listener = lldb.debugger.GetListener() |
| broadcaster = process.GetBroadcaster() |
| rc = broadcaster.AddListener(listener, lldb.SBProcess.eBroadcastBitStateChanged) |
| self.assertTrue(rc != 0, "Unable to add listener to process") |
| self.assertTrue(self.wait_for_running(process, listener), "Check that process is up and running") |
| |
| inferior_set_up = self.wait_until_program_setup_complete(process, listener) |
| |
| self.assertTrue(inferior_set_up.IsValid() and inferior_set_up.GetValueAsSigned() == 1, "Check that the program was able to create its threads within the allotted time") |
| |
| self.check_number_of_threads(process) |
| |
| main_thread = lldb.SBThread() |
| second_thread = lldb.SBThread() |
| third_thread = lldb.SBThread() |
| for idx in range(0, process.GetNumThreads()): |
| t = process.GetThreadAtIndex(idx) |
| if t.GetName() == "main thread": |
| main_thread = t |
| if t.GetName() == "second thread": |
| second_thread = t |
| if t.GetName() == "third thread": |
| third_thread = t |
| |
| self.check_expected_threads_present(main_thread, second_thread, third_thread) |
| |
| process.Kill() |
| |
| |
| # The process will set a global variable 'threads_up_and_running' to 1 when |
| # it has has completed its setup. Sleep for one second, pause the program, |
| # check to see if the global has that value, and continue if it does not. |
| def wait_until_program_setup_complete(self, process, listener): |
| inferior_set_up = lldb.SBValue() |
| retry = 5 |
| while retry > 0: |
| arch = self.getArchitecture() |
| # when running the testsuite against a remote arm device, it may take |
| # a little longer for the process to start up. Use a "can't possibly take |
| # longer than this" value. |
| if arch == 'arm64' or arch == 'armv7': |
| time.sleep(10) |
| else: |
| time.sleep(1) |
| process.SendAsyncInterrupt() |
| self.assertTrue(self.wait_for_stop(process, listener), "Check that process is paused") |
| inferior_set_up = process.GetTarget().CreateValueFromExpression("threads_up_and_running", "threads_up_and_running") |
| if inferior_set_up.IsValid() and inferior_set_up.GetValueAsSigned() == 1: |
| retry = 0 |
| else: |
| process.Continue() |
| retry = retry - 1 |
| return inferior_set_up |
| |
| # Listen to the process events until we get an event saying that the process is |
| # running. Retry up to five times in case we get other events that are not |
| # what we're looking for. |
| def wait_for_running(self, process, listener): |
| retry_count = 5 |
| if process.GetState() == lldb.eStateRunning: |
| return True |
| |
| while retry_count > 0: |
| event = lldb.SBEvent() |
| listener.WaitForEvent(2, event) |
| if event.GetType() == lldb.SBProcess.eBroadcastBitStateChanged: |
| if process.GetState() == lldb.eStateRunning: |
| return True |
| retry_count = retry_count - 1 |
| |
| return False |
| |
| # Listen to the process events until we get an event saying the process is |
| # stopped. Retry up to five times in case we get other events that we are |
| # not looking for. |
| def wait_for_stop(self, process, listener): |
| retry_count = 5 |
| if process.GetState() == lldb.eStateStopped or process.GetState() == lldb.eStateCrashed or process.GetState() == lldb.eStateDetached or process.GetState() == lldb.eStateExited: |
| return True |
| |
| while retry_count > 0: |
| event = lldb.SBEvent() |
| listener.WaitForEvent(2, event) |
| if event.GetType() == lldb.SBProcess.eBroadcastBitStateChanged: |
| if process.GetState() == lldb.eStateStopped or process.GetState() == lldb.eStateCrashed or process.GetState() == lldb.eStateDetached or process.GetState() == lldb.eStateExited: |
| return True |
| if process.GetState() == lldb.eStateCrashed or process.GetState() == lldb.eStateDetached or process.GetState() == lldb.eStateExited: |
| return False |
| retry_count = retry_count - 1 |
| |
| return False |
| |
| |
| |
| def check_number_of_threads(self, process): |
| self.assertTrue( |
| process.GetNumThreads() == 3, |
| "Check that the process has three threads when sitting at the stopper() breakpoint") |
| |
| def check_expected_threads_present(self, main_thread, second_thread, third_thread): |
| self.assertTrue( |
| main_thread.IsValid() and second_thread.IsValid() and third_thread.IsValid(), |
| "Got all three expected threads") |
