60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
"""
|
|
Test that expr will time out and allow other threads to run if it blocks.
|
|
"""
|
|
|
|
import os, time
|
|
import re
|
|
import unittest2
|
|
import lldb, lldbutil
|
|
from lldbtest import *
|
|
|
|
class ExprDoesntDeadlockTestCase(TestBase):
|
|
|
|
def getCategories(self):
|
|
return ['basic_process']
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
@expectedFailureFreeBSD('llvm.org/pr17946')
|
|
@expectedFlakeyLinux # failed 1/365 test runs, line 61, thread.IsValid()
|
|
@expectedFailureWindows # Windows doesn't have pthreads, need to port this test.
|
|
def test_with_run_command(self):
|
|
"""Test that expr will time out and allow other threads to run if it blocks."""
|
|
self.build()
|
|
exe = os.path.join(os.getcwd(), "a.out")
|
|
|
|
# Create a target by the debugger.
|
|
target = self.dbg.CreateTarget(exe)
|
|
self.assertTrue(target, VALID_TARGET)
|
|
|
|
# Now create a breakpoint at source line before call_me_to_get_lock gets called.
|
|
|
|
main_file_spec = lldb.SBFileSpec ("locking.c")
|
|
breakpoint = target.BreakpointCreateBySourceRegex('Break here', main_file_spec)
|
|
if self.TraceOn():
|
|
print "breakpoint:", breakpoint
|
|
self.assertTrue(breakpoint and
|
|
breakpoint.GetNumLocations() == 1,
|
|
VALID_BREAKPOINT)
|
|
|
|
# Now launch the process, and do not stop at entry point.
|
|
process = target.LaunchSimple (None, None, self.get_process_working_directory())
|
|
self.assertTrue(process, PROCESS_IS_VALID)
|
|
|
|
# Frame #0 should be on self.line1 and the break condition should hold.
|
|
from lldbutil import get_stopped_thread
|
|
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
|
|
self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition")
|
|
|
|
frame0 = thread.GetFrameAtIndex(0)
|
|
|
|
var = frame0.EvaluateExpression ("call_me_to_get_lock()")
|
|
self.assertTrue (var.IsValid())
|
|
self.assertTrue (var.GetValueAsSigned (0) == 567)
|
|
|
|
if __name__ == '__main__':
|
|
import atexit
|
|
lldb.SBDebugger.Initialize()
|
|
atexit.register(lambda: lldb.SBDebugger.Terminate())
|
|
unittest2.main()
|