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"""
Test ThreadSanitizer when multiple different issues are found.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import json
class TsanMultipleTestCase(TestBase):
@expectedFailureAll(
oslist=["linux"],
bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)",
)
@expectedFailureNetBSD
@skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
@skipIfRemote
@skipUnlessThreadSanitizer
@add_test_categories(["objc"])
def test(self):
self.build()
self.tsan_tests()
def tsan_tests(self):
exe = self.getBuildArtifact("a.out")
self.expect("file " + exe, patterns=["Current executable set to .*a.out"])
self.runCmd("env TSAN_OPTIONS=abort_on_error=0")
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")
report_count = 0
while (
self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason()
== lldb.eStopReasonInstrumentation
):
report_count += 1
stop_description = (
self.dbg.GetSelectedTarget()
.process.GetSelectedThread()
.GetStopDescription(100)
)
self.assertTrue(
(stop_description == "Data race detected")
or (stop_description == "Use of deallocated memory detected")
or (stop_description == "Thread leak detected")
or (
stop_description
== "Use of an uninitialized or destroyed mutex detected"
)
or (
stop_description
== "Unlock of an unlocked mutex (or by a wrong thread) detected"
)
)
self.expect(
"thread info -s",
"The extended stop info should contain the TSan provided fields",
substrs=["instrumentation_class", "description", "mops"],
)
output_lines = self.res.GetOutput().split("\n")
json_line = "\n".join(output_lines[2:])
data = json.loads(json_line)
self.assertEqual(data["instrumentation_class"], "ThreadSanitizer")
backtraces = (
self.dbg.GetSelectedTarget()
.process.GetSelectedThread()
.GetStopReasonExtendedBacktraces(
lldb.eInstrumentationRuntimeTypeThreadSanitizer
)
)
self.assertTrue(backtraces.GetSize() >= 1)
self.runCmd("continue")
self.assertEqual(
self.dbg.GetSelectedTarget().process.GetState(),
lldb.eStateExited,
PROCESS_EXITED,
)
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