Honsik updated this revision to Diff 50373.
Honsik added a comment.
Sorry for the delay, I have been on holiday.
I have modified the patch as jingham requested. The public run lock is reset
back on error in both Resume and ResumeSynchronous methods.
http://reviews.llvm.org/D17635
Files:
packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_case_sensitivity/TestBreakpointCaseSensitivity.py
packages/Python/lldbsuite/test/python_api/process/TestProcessAPI.py
source/Target/Process.cpp
Index: source/Target/Process.cpp
===================================================================
--- source/Target/Process.cpp
+++ source/Target/Process.cpp
@@ -1740,14 +1740,23 @@
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_STATE | LIBLLDB_LOG_PROCESS));
if (log)
log->Printf("Process::Resume -- locking run lock");
+
+ Error error;
if (!m_public_run_lock.TrySetRunning())
{
- Error error("Resume request failed - process still running.");
+ error.SetErrorString("Resume request failed - process still running.");
if (log)
log->Printf ("Process::Resume: -- TrySetRunning failed, not resuming.");
return error;
}
- return PrivateResume();
+
+ error = PrivateResume();
+ if (error.Fail())
+ {
+ // PrivateResume failed, reset the public run lock back
+ m_public_run_lock.SetStopped();
+ }
+ return error;
}
Error
@@ -1775,6 +1784,11 @@
if (!StateIsStoppedState(state, must_be_alive))
error.SetErrorStringWithFormat("process not in stopped state after synchronous resume: %s", StateAsCString(state));
}
+ else
+ {
+ // PrivateResume failed, reset the public run lock back
+ m_public_run_lock.SetStopped();
+ }
// Undo the hijacking of process events...
RestoreProcessEvents();
@@ -3543,7 +3557,16 @@
StateAsCString(m_public_state.GetValue()),
StateAsCString(m_private_state.GetValue()));
- Error error (WillResume());
+ Error error;
+ // Cannot resume already exited process. Public running lock is
+ // held when PrivateResume is entered
+ if (!IsAlive())
+ {
+ error.SetErrorString("Process is not alive");
+ return error;
+ }
+
+ error = WillResume();
// Tell the process it is about to resume before the thread list
if (error.Success())
{
Index: packages/Python/lldbsuite/test/python_api/process/TestProcessAPI.py
===================================================================
--- packages/Python/lldbsuite/test/python_api/process/TestProcessAPI.py
+++ packages/Python/lldbsuite/test/python_api/process/TestProcessAPI.py
@@ -284,3 +284,40 @@
if self.TraceOn() and error.Success():
print("Number of supported hardware watchpoints: %d" % num)
+ @add_test_categories(['pyapi'])
+ def test_continue_after_process_exit(self):
+ """Test SBProcess.Continue() API after the process exits."""
+ self.build()
+ exe = os.path.join(os.getcwd(), "a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ target = self.dbg.CreateTarget(exe)
+ self.assertTrue(target, VALID_TARGET)
+
+ breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line)
+ self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+ # Launch the process, and do not stop at the entry point.
+ process = target.LaunchSimple (None, None, self.get_process_working_directory())
+
+ thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+ self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint")
+
+ frame = thread.GetFrameAtIndex(0)
+ le = frame.GetLineEntry()
+ self.assertTrue(le.IsValid(), "There should be valid line entry at breakpoint")
+ self.assertEqual(self.line, le.GetLine(), "There should be valid line number")
+
+ # Continue the return out of main
+ err = process.Continue()
+ self.assertTrue(err.Success(), "Continue after breakpoint should be valid")
+
+ # At this point, the inferior process should have exited.
+ self.assertEqual(lldb.eStateExited, process.GetState(), PROCESS_EXITED)
+
+ # Continue after proces exited should fail with good message, try it multiple times
+ for i in range(2):
+ err = process.Continue()
+ self.assertTrue(err.Fail(), "Continue after exit shouldn't be valid")
+ self.assertIn("Process is not alive", err.GetCString())
+
\ No newline at end of file
Index: packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_case_sensitivity/TestBreakpointCaseSensitivity.py
===================================================================
--- packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_case_sensitivity/TestBreakpointCaseSensitivity.py
+++ packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_case_sensitivity/TestBreakpointCaseSensitivity.py
@@ -25,7 +25,6 @@
self.case_sensitivity_breakpoint(True)
@skipIf(oslist=['windows']) # Skip for windows platforms
- @expectedFailureAll() # Failing for unknown reason on non-Windows platforms.
def test_breakpoint_doesnt_match_file_with_different_case(self):
"""Set breakpoint on file, shouldn't match files with different case on POSIX systems"""
self.build()
@@ -86,15 +85,22 @@
lldb.SBFileSpec(file))
else:
breakpoint = self.target.BreakpointCreateByLocation(file, self.line)
+
+ # breakpoint should be always created
+ self.assertTrue(breakpoint, VALID_BREAKPOINT + desc)
- self.assertEqual(breakpoint and breakpoint.GetNumLocations() == 1,
- should_hit,
+ # check number of locations
+ self.assertEqual(breakpoint.GetNumLocations(),
+ int(should_hit),
VALID_BREAKPOINT + desc)
+
# Get the breakpoint location from breakpoint after we verified that,
# indeed, it has one location.
location = breakpoint.GetLocationAtIndex(0)
- self.assertEqual(location and location.IsEnabled(),
+ # location has to be converted to bool. If no location is present, GetLocationAtIndex returns None.
+ # Because None and xxxx = None, test will always fail (None != False and None != True)
+ self.assertEqual(bool(location) and location.IsEnabled(),
should_hit,
VALID_BREAKPOINT_LOCATION + desc)
@@ -113,9 +119,9 @@
# check the breakpoint was not hit
self.assertEqual(lldb.eStateExited, process.GetState())
self.assertEqual(breakpoint.GetHitCount(), 0)
-
- # let process finish
- process.Continue()
# cleanup
self.target.BreakpointDelete(breakpoint.GetID())
+ # let process finish
+ process.Continue()
+
\ No newline at end of file
_______________________________________________
lldb-commits mailing list
[email protected]
http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
