| """ |
| Test thread creation after process attach. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class CreateAfterAttachTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_create_after_attach_with_dsym(self): |
| """Test thread creation after process attach.""" |
| self.buildDsym(dictionary=self.getBuildFlags(use_cpp11=False)) |
| self.create_after_attach(use_fork=False) |
| |
| @skipIfFreeBSD # Hangs. May be the same as Linux issue llvm.org/pr16229 but |
| # not yet investigated. Revisit once required functionality |
| # is implemented for FreeBSD. |
| @skipIfLinux # Hangs, see llvm.org/pr16229 |
| @dwarf_test |
| def test_create_after_attach_with_dwarf_and_popen(self): |
| """Test thread creation after process attach.""" |
| self.buildDwarf(dictionary=self.getBuildFlags(use_cpp11=False)) |
| self.create_after_attach(use_fork=False) |
| |
| @skipIfFreeBSD # Hangs. Revisit once required functionality is implemented |
| # for FreeBSD. |
| @dwarf_test |
| def test_create_after_attach_with_dwarf_and_fork(self): |
| """Test thread creation after process attach.""" |
| self.buildDwarf(dictionary=self.getBuildFlags(use_cpp11=False)) |
| self.create_after_attach(use_fork=True) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers for our breakpoints. |
| self.break_1 = line_number('main.c', '// Set first breakpoint here') |
| self.break_2 = line_number('main.c', '// Set second breakpoint here') |
| self.break_3 = line_number('main.c', '// Set third breakpoint here') |
| |
| def create_after_attach(self, use_fork): |
| """Test thread creation after process attach.""" |
| |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| # Spawn a new process |
| if use_fork: |
| pid = self.forkSubprocess(exe) |
| else: |
| popen = self.spawnSubprocess(exe) |
| pid = popen.pid |
| self.addTearDownHook(self.cleanupSubprocesses) |
| |
| # Attach to the spawned process |
| self.runCmd("process attach -p " + str(pid)) |
| |
| target = self.dbg.GetSelectedTarget() |
| |
| process = target.GetProcess() |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # This should create a breakpoint in the main thread. |
| lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_1, num_expected_locations=1) |
| |
| # This should create a breakpoint in the second child thread. |
| lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_2, num_expected_locations=1) |
| |
| # This should create a breakpoint in the first child thread. |
| lldbutil.run_break_set_by_file_and_line (self, "main.c", self.break_3, num_expected_locations=1) |
| |
| # Run to the first breakpoint |
| self.runCmd("continue") |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| '* thread #1', |
| 'stop reason = breakpoint', |
| 'thread #2']) |
| |
| # Change a variable to escape the loop |
| self.runCmd("expression main_thread_continue = 1") |
| |
| # Run to the second breakpoint |
| self.runCmd("continue") |
| self.runCmd("thread select 3") |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'thread #1', |
| 'thread #2', |
| '* thread #3', |
| 'stop reason = breakpoint']) |
| |
| # Change a variable to escape the loop |
| self.runCmd("expression child_thread_continue = 1") |
| |
| # Run to the third breakpoint |
| self.runCmd("continue") |
| self.runCmd("thread select 2") |
| |
| # The stop reason of the thread should be breakpoint. |
| # Thread 3 may or may not have already exited. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'thread #1', |
| '* thread #2', |
| 'stop reason = breakpoint']) |
| |
| # Run to completion |
| self.runCmd("continue") |
| |
| # At this point, the inferior process should have exited. |
| self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |