| """Test function call thread safety.""" |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestSafeFuncCalls(TestBase): |
| @skipUnlessDarwin |
| @add_test_categories(["pyapi"]) |
| def test_with_python_api(self): |
| """Test function call thread safety.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| self.main_source_spec = lldb.SBFileSpec("main.c") |
| 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) |
| self.assertEqual(len(threads), 1, "Failed to stop at breakpoint 1.") |
| |
| self.assertEqual( |
| process.GetNumThreads(), |
| 2, |
| "Check that the process has two threads when sitting at the stopper() breakpoint", |
| ) |
| |
| 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.assertTrue( |
| main_thread.SafeToCallFunctions(), |
| "It is safe to call functions on the main thread", |
| ) |
| self.assertEqual( |
| select_thread.SafeToCallFunctions(), |
| False, |
| "It is not safe to call functions on the select thread", |
| ) |
