1""" 2Tests ThreadSanitizer's support to detect a leaked thread. 3""" 4 5import lldb 6from lldbsuite.test.lldbtest import * 7from lldbsuite.test.decorators import * 8import lldbsuite.test.lldbutil as lldbutil 9 10 11class TsanThreadLeakTestCase(TestBase): 12 @expectedFailureAll( 13 oslist=["linux"], 14 bugnumber="non-core functionality, need to reenable and fix later (DES 2014.11.07)", 15 ) 16 @expectedFailureNetBSD 17 @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default 18 @skipIfRemote 19 @skipUnlessThreadSanitizer 20 def test(self): 21 self.build() 22 self.tsan_tests() 23 24 def tsan_tests(self): 25 exe = self.getBuildArtifact("a.out") 26 self.expect("file " + exe, patterns=["Current executable set to .*a.out"]) 27 28 self.runCmd("run") 29 30 stop_reason = ( 31 self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason() 32 ) 33 if stop_reason == lldb.eStopReasonExec: 34 # On OS X 10.10 and older, we need to re-exec to enable 35 # interceptors. 36 self.runCmd("continue") 37 38 # the stop reason of the thread should be breakpoint. 39 self.expect( 40 "thread list", 41 "A thread leak should be detected", 42 substrs=["stopped", "stop reason = Thread leak detected"], 43 ) 44 45 self.assertEqual( 46 self.dbg.GetSelectedTarget().process.GetSelectedThread().GetStopReason(), 47 lldb.eStopReasonInstrumentation, 48 ) 49