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| author | Andrei Vagin <avagin@google.com> | 2019-10-02 13:00:07 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-02 13:00:07 -0700 |
| commit | 9a875306dbabcf335a2abccc08119a1b67d0e51a (patch) | |
| tree | 0f72c12e951a5eee7156df7a5d63351bc89befa6 /test/syscalls/linux/mlock.cc | |
| parent | 38bc0b6b6addd25ceec4f66ef1af41c1e61e2985 (diff) | |
| parent | 03ce4dd86c9acd6b6148f68d5d2cf025d8c254bb (diff) | |
Merge branch 'master' into pr_syscall_linux
Diffstat (limited to 'test/syscalls/linux/mlock.cc')
| -rw-r--r-- | test/syscalls/linux/mlock.cc | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/test/syscalls/linux/mlock.cc b/test/syscalls/linux/mlock.cc index aee4f7d1a..283c21ed3 100644 --- a/test/syscalls/linux/mlock.cc +++ b/test/syscalls/linux/mlock.cc @@ -169,26 +169,24 @@ TEST(MlockallTest, Future) { // Run this test in a separate (single-threaded) subprocess to ensure that a // background thread doesn't try to mmap a large amount of memory, fail due // to hitting RLIMIT_MEMLOCK, and explode the process violently. - EXPECT_THAT(InForkedProcess([] { - auto const mapping = - MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE) - .ValueOrDie(); - TEST_CHECK(!IsPageMlocked(mapping.addr())); - TEST_PCHECK(mlockall(MCL_FUTURE) == 0); - // Ensure that mlockall(MCL_FUTURE) is turned off before the end - // of the test, as otherwise mmaps may fail unexpectedly. - Cleanup do_munlockall([] { TEST_PCHECK(munlockall() == 0); }); - auto const mapping2 = ASSERT_NO_ERRNO_AND_VALUE( - MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE)); - TEST_CHECK(IsPageMlocked(mapping2.addr())); - // Fire munlockall() and check that it disables - // mlockall(MCL_FUTURE). - do_munlockall.Release()(); - auto const mapping3 = ASSERT_NO_ERRNO_AND_VALUE( - MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE)); - TEST_CHECK(!IsPageMlocked(mapping2.addr())); - }), - IsPosixErrorOkAndHolds(0)); + auto const do_test = [] { + auto const mapping = + MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE).ValueOrDie(); + TEST_CHECK(!IsPageMlocked(mapping.addr())); + TEST_PCHECK(mlockall(MCL_FUTURE) == 0); + // Ensure that mlockall(MCL_FUTURE) is turned off before the end of the + // test, as otherwise mmaps may fail unexpectedly. + Cleanup do_munlockall([] { TEST_PCHECK(munlockall() == 0); }); + auto const mapping2 = + MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE).ValueOrDie(); + TEST_CHECK(IsPageMlocked(mapping2.addr())); + // Fire munlockall() and check that it disables mlockall(MCL_FUTURE). + do_munlockall.Release()(); + auto const mapping3 = + MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE).ValueOrDie(); + TEST_CHECK(!IsPageMlocked(mapping2.addr())); + }; + EXPECT_THAT(InForkedProcess(do_test), IsPosixErrorOkAndHolds(0)); } TEST(MunlockallTest, Basic) { |