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