old_contents: """Test function call thread safety."""
  
  from __future__ import print_function
  
  
  
  import os, time
  import lldb
  import lldbsuite.test.lldbutil as lldbutil
  from lldbsuite.test.lldbtest import *
  
  class TestSafeFuncCalls(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
  
      def setUp(self):
          # Call super's setUp().
          TestBase.setUp(self)
          # Find the line numbers that we will step to in main:
          self.main_source = "main.c"
  
      @skipUnlessDarwin
      @add_test_categories(['pyapi'])
      @expectedFailureDwarf("rdar://23589995")
      def test_with_python_api(self):
          """Test function call thread safety."""
          self.build()
          exe = os.path.join(os.getcwd(), "a.out")
  
          target = self.dbg.CreateTarget(exe)
          self.assertTrue(target, VALID_TARGET)
          self.main_source_spec = lldb.SBFileSpec (self.main_source)
          break1 = target.BreakpointCreateByName ("stopper", 'a.out')
          self.assertTrue(break1, VALID_BREAKPOINT)
          process = target.LaunchSimple (None, None, self.get_process_working_directory())
          self.assertTrue(process, PROCESS_IS_VALID)
          threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
          if len(threads) != 1:
              self.fail ("Failed to stop at breakpoint 1.")
  
          self.check_number_of_threads(process)
  
          main_thread = lldb.SBThread()
          select_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() == "select thread":
                  select_thread = t
  
          self.assertTrue(main_thread.IsValid() and select_thread.IsValid(), "Got both expected threads")
  
          self.safe_to_call_func_on_main_thread (main_thread)
          self.safe_to_call_func_on_select_thread (select_thread)
  
      def check_number_of_threads(self, process):
          self.assertTrue(process.GetNumThreads() == 2, "Check that the process has two threads when sitting at the stopper() breakpoint")
  
      def safe_to_call_func_on_main_thread (self, main_thread):
          self.assertTrue(main_thread.SafeToCallFunctions() == True, "It is safe to call functions on the main thread")
  
      def safe_to_call_func_on_select_thread (self, select_thread):
          self.assertTrue(select_thread.SafeToCallFunctions() == False, "It is not safe to call functions on the select thread")
  
new_contents: """Test function call thread safety."""
  
  from __future__ import print_function
  
  
  
  import os, time
  import lldb
  import lldbsuite.test.lldbutil as lldbutil
  from lldbsuite.test.lldbtest import *
  
  class TestSafeFuncCalls(TestBase):
  
      mydir = TestBase.compute_mydir(__file__)
  
      def setUp(self):
          # Call super's setUp().
          TestBase.setUp(self)
          # Find the line numbers that we will step to in main:
          self.main_source = "main.c"
  
      @skipUnlessDarwin
      @add_test_categories(['pyapi'])
      @expectedFailureDarwin("rdar://23589995")
      def test_with_python_api(self):
          """Test function call thread safety."""
          self.build()
          exe = os.path.join(os.getcwd(), "a.out")
  
          target = self.dbg.CreateTarget(exe)
          self.assertTrue(target, VALID_TARGET)
          self.main_source_spec = lldb.SBFileSpec (self.main_source)
          break1 = target.BreakpointCreateByName ("stopper", 'a.out')
          self.assertTrue(break1, VALID_BREAKPOINT)
          process = target.LaunchSimple (None, None, self.get_process_working_directory())
          self.assertTrue(process, PROCESS_IS_VALID)
          threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
          if len(threads) != 1:
              self.fail ("Failed to stop at breakpoint 1.")
  
          self.check_number_of_threads(process)
  
          main_thread = lldb.SBThread()
          select_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() == "select thread":
                  select_thread = t
  
          self.assertTrue(main_thread.IsValid() and select_thread.IsValid(), "Got both expected threads")
  
          self.safe_to_call_func_on_main_thread (main_thread)
          self.safe_to_call_func_on_select_thread (select_thread)
  
      def check_number_of_threads(self, process):
          self.assertTrue(process.GetNumThreads() == 2, "Check that the process has two threads when sitting at the stopper() breakpoint")
  
      def safe_to_call_func_on_main_thread (self, main_thread):
          self.assertTrue(main_thread.SafeToCallFunctions() == True, "It is safe to call functions on the main thread")
  
      def safe_to_call_func_on_select_thread (self, select_thread):
          self.assertTrue(select_thread.SafeToCallFunctions() == False, "It is not safe to call functions on the select thread")
  
subject: Mark TestSafeFuncCalls.test_with_python_api XFAIL for all Darwin variants.