vendor/lldb/lldb-trunk-r290819

1 files changed, 132 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/macosx/thread-names/TestInterruptThreadNames.py b/packages/Python/lldbsuite/test/macosx/thread-names/TestInterruptThreadNames.py
new file mode 100644
index 0000000000000..b6612b26bde6f
--- /dev/null
+++ b/packages/Python/lldbsuite/test/macosx/thread-names/TestInterruptThreadNames.py
@@ -0,0 +1,132 @@
+"""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 = os.path.join(os.getcwd(), "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:
+            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")