| """ |
| Test process attach/resume. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| exe_name = "AttachResume" # Must match Makefile |
| |
| class AttachResumeTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @expectedFlakeyLinux('llvm.org/pr19310') |
| @expectedFailureFreeBSD('llvm.org/pr19310') |
| @skipIfRemote |
| @dwarf_test |
| def test_attach_continue_interrupt_detach(self): |
| """Test attach/continue/interrupt/detach""" |
| self.buildDwarf() |
| self.process_attach_continue_interrupt_detach() |
| |
| @expectedFlakeyLinux('llvm.org/pr19478') # intermittent ~2/14 runs |
| @skipIfRemote |
| def process_attach_continue_interrupt_detach(self): |
| """Test attach/continue/interrupt/detach""" |
| |
| exe = os.path.join(os.getcwd(), exe_name) |
| |
| popen = self.spawnSubprocess(exe) |
| self.addTearDownHook(self.cleanupSubprocesses) |
| |
| self.runCmd("process attach -p " + str(popen.pid)) |
| |
| self._state = 0 |
| def process_events(): |
| event = lldb.SBEvent() |
| while self.dbg.GetListener().GetNextEvent(event): |
| self._state = lldb.SBProcess.GetStateFromEvent(event) |
| |
| # using process.GetState() does not work: llvm.org/pr16172 |
| def wait_for_state(s, timeout=5): |
| t = 0 |
| period = 0.1 |
| while self._state != s: |
| process_events() |
| time.sleep(period) |
| t += period |
| if t > timeout: |
| return False |
| return True |
| |
| self.setAsync(True) |
| |
| self.runCmd("c") |
| self.assertTrue(wait_for_state(lldb.eStateRunning), |
| 'Process not running after continue') |
| |
| self.runCmd("process interrupt") |
| self.assertTrue(wait_for_state(lldb.eStateStopped), |
| 'Process not stopped after interrupt') |
| |
| # be sure to continue/interrupt/continue (r204504) |
| self.runCmd("c") |
| self.assertTrue(wait_for_state(lldb.eStateRunning), |
| 'Process not running after continue') |
| |
| self.runCmd("process interrupt") |
| self.assertTrue(wait_for_state(lldb.eStateStopped), |
| 'Process not stopped after interrupt') |
| |
| # check that this breakpoint is auto-cleared on detach (r204752) |
| self.runCmd("br set -f main.cpp -l %u" % (line_number('main.cpp', '// Set breakpoint here'))) |
| |
| self.runCmd("c") |
| self.assertTrue(wait_for_state(lldb.eStateRunning), |
| 'Process not running after continue') |
| |
| self.assertTrue(wait_for_state(lldb.eStateStopped), |
| 'Process not stopped after breakpoint') |
| # This test runs a bunch of threads in the same little function with this |
| # breakpoint. We want to make sure the breakpoint got hit at least once, |
| # but more than one thread may hit it at a time. So we really only care |
| # that is isn't 0 times, not how many times it is. |
| self.expect('br list', 'Breakpoint not hit', |
| patterns = ['hit count = [1-9]']) |
| |
| self.runCmd("c") |
| self.assertTrue(wait_for_state(lldb.eStateRunning), |
| 'Process not running after continue') |
| |
| # make sure to detach while in running state (r204759) |
| self.runCmd("detach") |
| self.assertTrue(wait_for_state(lldb.eStateDetached), |
| 'Process not detached after detach') |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
