Mercurial > hg > CbC > CbC_llvm
comparison lldb/test/API/macosx/safe-to-func-call/TestSafeFuncCalls.py @ 150:1d019706d866
LLVM10
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 15:10:13 +0900 |
| parents | |
| children | 0572611fdcc8 |
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| 147:c2174574ed3a | 150:1d019706d866 |
|---|---|
| 1 """Test function call thread safety.""" | |
| 2 | |
| 3 | |
| 4 | |
| 5 import lldb | |
| 6 from lldbsuite.test.decorators import * | |
| 7 from lldbsuite.test.lldbtest import * | |
| 8 from lldbsuite.test import lldbutil | |
| 9 | |
| 10 | |
| 11 class TestSafeFuncCalls(TestBase): | |
| 12 | |
| 13 mydir = TestBase.compute_mydir(__file__) | |
| 14 | |
| 15 def setUp(self): | |
| 16 # Call super's setUp(). | |
| 17 TestBase.setUp(self) | |
| 18 # Find the line numbers that we will step to in main: | |
| 19 self.main_source = "main.c" | |
| 20 | |
| 21 @skipUnlessDarwin | |
| 22 @add_test_categories(['pyapi']) | |
| 23 def test_with_python_api(self): | |
| 24 """Test function call thread safety.""" | |
| 25 self.build() | |
| 26 exe = self.getBuildArtifact("a.out") | |
| 27 | |
| 28 target = self.dbg.CreateTarget(exe) | |
| 29 self.assertTrue(target, VALID_TARGET) | |
| 30 self.main_source_spec = lldb.SBFileSpec(self.main_source) | |
| 31 break1 = target.BreakpointCreateByName("stopper", 'a.out') | |
| 32 self.assertTrue(break1, VALID_BREAKPOINT) | |
| 33 process = target.LaunchSimple( | |
| 34 None, None, self.get_process_working_directory()) | |
| 35 self.assertTrue(process, PROCESS_IS_VALID) | |
| 36 threads = lldbutil.get_threads_stopped_at_breakpoint(process, break1) | |
| 37 if len(threads) != 1: | |
| 38 self.fail("Failed to stop at breakpoint 1.") | |
| 39 | |
| 40 self.check_number_of_threads(process) | |
| 41 | |
| 42 main_thread = lldb.SBThread() | |
| 43 select_thread = lldb.SBThread() | |
| 44 for idx in range(0, process.GetNumThreads()): | |
| 45 t = process.GetThreadAtIndex(idx) | |
| 46 if t.GetName() == "main thread": | |
| 47 main_thread = t | |
| 48 if t.GetName() == "select thread": | |
| 49 select_thread = t | |
| 50 | |
| 51 self.assertTrue( | |
| 52 main_thread.IsValid() and select_thread.IsValid(), | |
| 53 "Got both expected threads") | |
| 54 | |
| 55 self.safe_to_call_func_on_main_thread(main_thread) | |
| 56 self.safe_to_call_func_on_select_thread(select_thread) | |
| 57 | |
| 58 def check_number_of_threads(self, process): | |
| 59 self.assertTrue( | |
| 60 process.GetNumThreads() == 2, | |
| 61 "Check that the process has two threads when sitting at the stopper() breakpoint") | |
| 62 | |
| 63 def safe_to_call_func_on_main_thread(self, main_thread): | |
| 64 self.assertTrue(main_thread.SafeToCallFunctions(), | |
| 65 "It is safe to call functions on the main thread") | |
| 66 | |
| 67 def safe_to_call_func_on_select_thread(self, select_thread): | |
| 68 self.assertTrue( | |
| 69 select_thread.SafeToCallFunctions() == False, | |
| 70 "It is not safe to call functions on the select thread") |