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"""
Tests ThreadSanitizer's support to detect a leaked thread.
"""
import os
import time
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import json
class TsanThreadLeakTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
oslist=["linux"],
bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)")
@skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
@skipIfRemote
@skipUnlessThreadSanitizer
def test(self):
self.build()
self.tsan_tests()
def tsan_tests(self):
exe = os.path.join(os.getcwd(), "a.out")
self.expect(
"file " + exe,
patterns=["Current executable set to .*a.out"])
self.runCmd("run")
stop_reason = self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
if stop_reason == lldb.eStopReasonExec:
# On OS X 10.10 and older, we need to re-exec to enable
# interceptors.
self.runCmd("continue")
# the stop reason of the thread should be breakpoint.
self.expect("thread list", "A thread leak should be detected",
substrs=['stopped', 'stop reason = Thread leak detected'])
self.assertEqual(
self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(),
lldb.eStopReasonInstrumentation)
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