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rocksdb/util
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Yueh-Hsuan Chiang 908100399c Fixed a dependency issue of ThreadLocalPtr 
Summary:
When a child thread that uses ThreadLocalPtr, ThreadLocalPtr::OnThreadExit
will be called when that child thread is destroyed.  However,
OnThreadExit will try to access a static singleton of ThreadLocalPtr,
which will be destroyed when the main thread exit.  As a result,
when a child thread that uses ThreadLocalPtr exits AFTER the main thread
exits, illegal memory access will occur.

This diff includes a test that reproduce this legacy bug.

    ==2095206==ERROR: AddressSanitizer: heap-use-after-free on address
    0x608000007fa0 at pc 0x959b79 bp 0x7f5fa7426b60 sp 0x7f5fa7426b58
    READ of size 8 at 0x608000007fa0 thread T1

This patch fix this issue by having the thread local mutex never be deleted
(but will leak small piece of memory at the end.)   The patch also describe
a better solution (thread_local) in the comment that requires gcc 4.8.1 and
in latest clang as a future work once we agree to move toward gcc 4.8.

Test Plan:
COMPILE_WITH_ASAN=1 make thread_local_test -j32
./thread_local_test --gtest_filter="*MainThreadDiesFirst"

Reviewers: anthony, hermanlee4, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D53013
2016-02-10 16:56:01 -08:00
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aligned_buffer.h
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allocator.h
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arena_test.cc
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arena.cc
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arena.h
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autovector_test.cc
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autovector.h
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bloom_test.cc
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bloom.cc
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build_version.h
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cache_bench.cc
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cache_test.cc
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cache.cc
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channel.h
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coding_test.cc
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coding.cc
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coding.h
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compaction_job_stats_impl.cc
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comparator.cc
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compression.h
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concurrent_arena.cc
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concurrent_arena.h
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crc32c_test.cc
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crc32c.cc
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crc32c.h
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delete_scheduler_test.cc
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delete_scheduler.cc
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delete_scheduler.h
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dynamic_bloom_test.cc
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dynamic_bloom.cc
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dynamic_bloom.h
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env_hdfs.cc
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env_posix.cc
Fixed a dependency issue of ThreadLocalPtr
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env_test.cc
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env.cc
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event_logger_test.cc
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event_logger.cc
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event_logger.h
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file_reader_writer_test.cc
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file_reader_writer.cc
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file_reader_writer.h
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file_util.cc
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file_util.h
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filelock_test.cc
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filter_policy.cc
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hash.cc
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hash.h
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heap_test.cc
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heap.h
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histogram_test.cc
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histogram.cc
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histogram.h
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instrumented_mutex.cc
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instrumented_mutex.h
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io_posix.cc
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io_posix.h
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iostats_context_imp.h
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iostats_context.cc
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kv_map.h
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log_buffer.cc
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log_buffer.h
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log_write_bench.cc
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logging.cc
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logging.h
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memenv_test.cc
[directory includes cleanup] Finish removing util->db dependencies
2016-01-26 10:49:24 -08:00
memenv.cc
Refactor to support file_reader_writer on Windows.
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mock_env_test.cc
[directory includes cleanup] Finish removing util->db dependencies
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mock_env.cc
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mock_env.h
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murmurhash.cc
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murmurhash.h
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mutable_cf_options.cc
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mutable_cf_options.h
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mutexlock.h
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options_builder.cc
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options_helper.cc
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options_helper.h
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options_parser.cc
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options_parser.h
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options_sanity_check.cc
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options_sanity_check.h
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options_test.cc
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options.cc
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perf_context_imp.h
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perf_context.cc
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perf_level_imp.h
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perf_level.cc
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perf_step_timer.h
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posix_logger.h
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random.cc
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random.h
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rate_limiter_test.cc
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rate_limiter.cc
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rate_limiter.h
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slice_transform_test.cc
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slice.cc
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sst_file_manager_impl.cc
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sst_file_manager_impl.h
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statistics.cc
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statistics.h
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status_message.cc
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status.cc
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stop_watch.h
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string_util.cc
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string_util.h
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sync_point.cc
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sync_point.h
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testharness.cc
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testharness.h
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testutil.cc
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testutil.h
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thread_list_test.cc
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thread_local_test.cc
Fixed a dependency issue of ThreadLocalPtr
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thread_local.cc
Fixed a dependency issue of ThreadLocalPtr
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thread_local.h
Fixed a dependency issue of ThreadLocalPtr
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thread_operation.h
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thread_posix.cc
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thread_posix.h
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thread_status_impl.cc
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thread_status_updater_debug.cc
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thread_status_updater.cc
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thread_status_updater.h
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thread_status_util_debug.cc
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thread_status_util.cc
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thread_status_util.h
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xfunc.cc
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xfunc.h
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xxhash.cc
Enable MS Warning C4804 : unsafe use of type 'bool' in operation
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xxhash.h
Prevent xxhash symbols from polluting global namespace
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