1e566f6b47
Add the skipIfReproducer decorator to the remaining tests that fail to replay because the GDB remote packets diverge during replay. This is *not* expected and should be fixed, but figuring out exactly what caused the divergence has proven pretty difficult to track down. I've marked these tests as skipped for now so we can get clean results and detect new regressions. I have no evidence to believe that these failures have the same root cause, so I've not assigned them a PR.
93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
"""
|
|
Test "print object" where another thread blocks the print object from making progress.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
@skipUnlessDarwin
|
|
class PrintObjTestCase(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
# My source program.
|
|
self.source = "blocked.m"
|
|
# Find the line numbers to break at.
|
|
self.line = line_number(self.source, '// Set a breakpoint here.')
|
|
|
|
@skipIfReproducer # Unexpected packet during replay
|
|
def test_print_obj(self):
|
|
"""
|
|
Test "print object" where another thread blocks the print object from making progress.
|
|
|
|
Set a breakpoint on the line in my_pthread_routine. Then switch threads
|
|
to the main thread, and do print the lock_me object. Since that will
|
|
try to get the lock already gotten by my_pthread_routime thread, it will
|
|
have to switch to running all threads, and that should then succeed.
|
|
"""
|
|
d = {'EXE': 'b.out'}
|
|
self.build(dictionary=d)
|
|
self.setTearDownCleanup(dictionary=d)
|
|
exe = self.getBuildArtifact('b.out')
|
|
|
|
target = self.dbg.CreateTarget(exe)
|
|
self.assertTrue(target, VALID_TARGET)
|
|
|
|
breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
|
|
self.assertTrue(breakpoint, VALID_BREAKPOINT)
|
|
self.runCmd("breakpoint list")
|
|
|
|
# Launch the process, and do not stop at the entry point.
|
|
process = target.LaunchSimple(
|
|
None, None, self.get_process_working_directory())
|
|
|
|
self.runCmd("thread backtrace all")
|
|
|
|
# Let's get the current stopped thread. We'd like to switch to the
|
|
# other thread to issue our 'po lock_me' command.
|
|
import lldbsuite.test.lldbutil as lldbutil
|
|
this_thread = lldbutil.get_stopped_thread(
|
|
process, lldb.eStopReasonBreakpoint)
|
|
self.assertTrue(this_thread)
|
|
|
|
# Find the other thread. The iteration protocol of SBProcess and the
|
|
# rich comparison methods (__eq__/__ne__) of SBThread come in handy.
|
|
other_thread = None
|
|
for t in process:
|
|
if t != this_thread:
|
|
other_thread = t
|
|
break
|
|
|
|
# Set the other thread as the selected thread to issue our 'po'
|
|
# command.other
|
|
self.assertTrue(other_thread)
|
|
process.SetSelectedThread(other_thread)
|
|
if self.TraceOn():
|
|
print("selected thread:" + lldbutil.get_description(other_thread))
|
|
self.runCmd("thread backtrace")
|
|
|
|
# We want to traverse the frame to the one corresponding to blocked.m to
|
|
# issue our 'po lock_me' command.
|
|
|
|
depth = other_thread.GetNumFrames()
|
|
for i in range(depth):
|
|
frame = other_thread.GetFrameAtIndex(i)
|
|
name = frame.GetFunctionName()
|
|
if name == 'main':
|
|
other_thread.SetSelectedFrame(i)
|
|
if self.TraceOn():
|
|
print("selected frame:" + lldbutil.get_description(frame))
|
|
break
|
|
|
|
self.expect("po lock_me", OBJECT_PRINTED_CORRECTLY,
|
|
substrs=['I am pretty special.'])
|