File: TestTsanThreadLeak.py

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (48 lines) | stat: -rw-r--r-- 1,516 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
"""
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 = self.getBuildArtifact("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)