[Boost-bugs] [Boost C++ Libraries] #11091: notify_all_at_thread_exit - ThreadSanitizer: data race

Subject: [Boost-bugs] [Boost C++ Libraries] #11091: notify_all_at_thread_exit - ThreadSanitizer: data race
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-03-09 23:43:03


#11091: notify_all_at_thread_exit - ThreadSanitizer: data race
------------------------------+----------------------
 Reporter: viboes | Owner: anthonyw
     Type: Bugs | Status: new
Milestone: To Be Determined | Component: thread
  Version: Boost 1.57.0 | Severity: Problem
 Keywords: |
------------------------------+----------------------
 {{{

 Test output: BenPope x86_64 Ubuntu - thread - notify_all_at_thread_exit_p
 / clang-linux-3.6~tsan~c14_libc++
 Rev 9b68e2eec037cbcb6f96d7d54079e7e1a6a274ab / Mon, 09 Mar 2015 11:14:53
 +0000
 Compile [2015-03-09 15:31:08 UTC]: succeed


 "clang++-3.6" -c -x c++ -Wextra -Wno-long-long -Wno-unused-parameter
 -Wunused-function -std=c++1y -stdlib=libc++ -fsanitize=thread -O0 -fno-
 inline -Wall -pthread -fPIC -Wextra -Wno-long-long -Wno-unused-parameter
 -Wunused-function -DBOOST_ALL_NO_LIB=1 -DBOOST_CHRONO_DYN_LINK=1
 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_SYSTEM_NO_DEPRECATED
 -DBOOST_THREAD_BUILD_DLL=1 -DBOOST_THREAD_POSIX
 -DBOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
 -DBOOST_THREAD_USE_DLL=1 -I".." -o
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/sync/conditions/notify_all_at_thread_exit_pass.o"
 "../libs/thread/test/sync/conditions/notify_all_at_thread_exit_pass.cpp"



 Link [2015-03-09 15:31:08 UTC]: succeed


 "clang++-3.6" -Wl,-R
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/chrono/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -Wl,-R
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/system/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -Wl,-R
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -Wl,-rpath-link
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/chrono/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -Wl,-rpath-link
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/system/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -Wl,-rpath-link
 -Wl,"/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-multi"
 -o
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/notify_all_at_thread_exit_p" -Wl,--start-group
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/sync/conditions/notify_all_at_thread_exit_pass.o"
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/winrt_init.o"
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/libboost_thread.so.1.58.0"
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/chrono/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/libboost_chrono.so.1.58.0"
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/system/build
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/libboost_system.so.1.58.0" -Wl,-Bstatic -Wl,-Bdynamic -lrt -Wl
 ,--end-group -fsanitize=thread -lc++ -lc++abi -pthread

 RmTemps
 /home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/notify_all_at_thread_exit_p

     rm -f
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/sync/conditions/notify_all_at_thread_exit_pass.o"
 "/home/ben/development/boost/test/build/develop/results/boost/bin.v2/libs/thread/test/notify_all_at_thread_exit_p.test
 /clang-linux-3.6~tsan~c14_libc++/debug/debug-symbols-off/threading-
 multi/winrt_init.o"



 Run [2015-03-09 15:31:08 UTC]: fail


 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Write of size 8 at 0x7fd7f9795c48 by thread T1:
     #0 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x00000002567a)

   Previous write of size 8 at 0x7fd7f9795c48 by main thread:
     #0 <null> <null> (0x000000000001)

   Location is stack of thread T1.

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0 boost::(anonymous
 namespace)::thread_proxy(void*)
 ==================
 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Read of size 8 at 0x7d4c0000de58 by thread T1:
     #0
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x0000000318e5)
     #1 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x0000000256a3)

   Previous write of size 8 at 0x7d4c0000de58 by main thread (mutexes:
 write M24):
     #0
 boost::shared_ptr<boost::detail::thread_data_base>::swap(boost::shared_ptr<boost::detail::thread_data_base>&)
 <null> (libboost_thread.so.1.58.0+0x000000031796)
     #1
 boost::shared_ptr<boost::detail::thread_data_base>::operator=(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x00000003142d)
     #2 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x000000025579)
     #3 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #4 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #5 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Location is heap block of size 424 at 0x7d4c0000de40 allocated by main
 thread:
     #0 operator new(unsigned long)
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:571:3
 (notify_all_at_thread_exit_p+0x00000045aebd)
     #1 boost::detail::thread_data<void (*)()>*
 boost::detail::heap_new<boost::detail::thread_data<void (*)()>, void
 (*)()>(void (*&&)()) <null> (notify_all_at_thread_exit_p+0x0000004c6acb)
     #2 boost::thread::make_thread_info(void (*)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c3a87)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f82)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Mutex M24 (0x0000014d9438) created at:
     #0 pthread_mutex_init
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:1082:3
 (notify_all_at_thread_exit_p+0x00000045f790)
     #1 boost::mutex::mutex() <null>
 (notify_all_at_thread_exit_p+0x0000004c27d7)
     #2 __cxx_global_var_init10 <null>
 (notify_all_at_thread_exit_p+0x0000004439cc)
     #3 _GLOBAL__sub_I_notify_all_at_thread_exit_pass.cpp <null>
 (notify_all_at_thread_exit_p+0x000000443a43)
     #4 __libc_csu_init <null> (notify_all_at_thread_exit_p+0x0000004d538c)

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&)
 ==================
 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Write of size 8 at 0x7fd7f9795c38 by thread T1:
     #0
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x0000000318f9)
     #1 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x0000000256a3)

   Previous write of size 8 at 0x7fd7f9795c38 by main thread:
     #0 <null> <null> (0x000000000001)

   Location is stack of thread T1.

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&)
 ==================
 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Read of size 8 at 0x7d4c0000de60 by thread T1:
     #0
 boost::detail::shared_count::shared_count(boost::detail::shared_count
 const&) <null> (notify_all_at_thread_exit_p+0x0000004c7696)
     #1
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x000000031929)
     #2 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x0000000256a3)

   Previous write of size 8 at 0x7d4c0000de60 by main thread (mutexes:
 write M24):
     #0 boost::detail::shared_count::swap(boost::detail::shared_count&)
 <null> (notify_all_at_thread_exit_p+0x0000004c71cb)
     #1
 boost::shared_ptr<boost::detail::thread_data_base>::swap(boost::shared_ptr<boost::detail::thread_data_base>&)
 <null> (libboost_thread.so.1.58.0+0x0000000317d6)
     #2
 boost::shared_ptr<boost::detail::thread_data_base>::operator=(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x00000003142d)
     #3 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x000000025579)
     #4 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #5 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #6 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Location is heap block of size 424 at 0x7d4c0000de40 allocated by main
 thread:
     #0 operator new(unsigned long)
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:571:3
 (notify_all_at_thread_exit_p+0x00000045aebd)
     #1 boost::detail::thread_data<void (*)()>*
 boost::detail::heap_new<boost::detail::thread_data<void (*)()>, void
 (*)()>(void (*&&)()) <null> (notify_all_at_thread_exit_p+0x0000004c6acb)
     #2 boost::thread::make_thread_info(void (*)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c3a87)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f82)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Mutex M24 (0x0000014d9438) created at:
     #0 pthread_mutex_init
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:1082:3
 (notify_all_at_thread_exit_p+0x00000045f790)
     #1 boost::mutex::mutex() <null>
 (notify_all_at_thread_exit_p+0x0000004c27d7)
     #2 __cxx_global_var_init10 <null>
 (notify_all_at_thread_exit_p+0x0000004439cc)
     #3 _GLOBAL__sub_I_notify_all_at_thread_exit_pass.cpp <null>
 (notify_all_at_thread_exit_p+0x000000443a43)
     #4 __libc_csu_init <null> (notify_all_at_thread_exit_p+0x0000004d538c)

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0
 boost::detail::shared_count::shared_count(boost::detail::shared_count
 const&)
 ==================
 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Write of size 8 at 0x7fd7f9795c40 by thread T1:
     #0
 boost::detail::shared_count::shared_count(boost::detail::shared_count
 const&) <null> (notify_all_at_thread_exit_p+0x0000004c76aa)
     #1
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x000000031929)
     #2 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x0000000256a3)

   Previous write of size 8 at 0x7fd7f9795c40 by main thread:
     #0 <null> <null> (0x000000000001)

   Location is stack of thread T1.

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0
 boost::detail::shared_count::shared_count(boost::detail::shared_count
 const&)
 ==================
 ==================
 WARNING: ThreadSanitizer: data race (pid=14082)
   Atomic write of size 4 at 0x7d080000ef88 by thread T1:
     #0 __tsan_atomic32_fetch_add
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interface_atomic.cc:613:3
 (notify_all_at_thread_exit_p+0x0000004a5256)
     #1 boost::detail::atomic_increment(int _Atomic*) <null>
 (notify_all_at_thread_exit_p+0x0000004c77cc)
     #2 boost::detail::sp_counted_base::add_ref_copy() <null>
 (notify_all_at_thread_exit_p+0x0000004c7749)
     #3
 boost::detail::shared_count::shared_count(boost::detail::shared_count
 const&) <null> (notify_all_at_thread_exit_p+0x0000004c76e6)
     #4
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr(boost::shared_ptr<boost::detail::thread_data_base>
 const&) <null> (libboost_thread.so.1.58.0+0x000000031929)
     #5 boost::(anonymous namespace)::thread_proxy(void*) <null>
 (libboost_thread.so.1.58.0+0x0000000256a3)

   Previous write of size 8 at 0x7d080000ef88 by main thread (mutexes:
 write M24):
     #0 operator new(unsigned long)
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:571:3
 (notify_all_at_thread_exit_p+0x00000045aebd)
     #1
 boost::detail::shared_count::shared_count<boost::detail::thread_data<void
 (*)()> >(boost::detail::thread_data<void (*)()>*) <null>
 (notify_all_at_thread_exit_p+0x0000004c6f67)
     #2 void
 boost::detail::sp_pointer_construct<boost::detail::thread_data_base,
 boost::detail::thread_data<void (*)()>
>(boost::shared_ptr<boost::detail::thread_data_base>*,
 boost::detail::thread_data<void (*)()>*, boost::detail::shared_count&)
 <null> (notify_all_at_thread_exit_p+0x0000004c6dd0)
     #3
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr<boost::detail::thread_data<void
 (*)()> >(boost::detail::thread_data<void (*)()>*) <null>
 (notify_all_at_thread_exit_p+0x0000004c6c7b)
     #4 boost::thread::make_thread_info(void (*)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c3a93)
     #5 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f82)
     #6 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Location is heap block of size 24 at 0x7d080000ef80 allocated by main
 thread:
     #0 operator new(unsigned long)
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:571:3
 (notify_all_at_thread_exit_p+0x00000045aebd)
     #1
 boost::detail::shared_count::shared_count<boost::detail::thread_data<void
 (*)()> >(boost::detail::thread_data<void (*)()>*) <null>
 (notify_all_at_thread_exit_p+0x0000004c6f67)
     #2 void
 boost::detail::sp_pointer_construct<boost::detail::thread_data_base,
 boost::detail::thread_data<void (*)()>
>(boost::shared_ptr<boost::detail::thread_data_base>*,
 boost::detail::thread_data<void (*)()>*, boost::detail::shared_count&)
 <null> (notify_all_at_thread_exit_p+0x0000004c6dd0)
     #3
 boost::shared_ptr<boost::detail::thread_data_base>::shared_ptr<boost::detail::thread_data<void
 (*)()> >(boost::detail::thread_data<void (*)()>*) <null>
 (notify_all_at_thread_exit_p+0x0000004c6c7b)
     #4 boost::thread::make_thread_info(void (*)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c3a93)
     #5 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f82)
     #6 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

   Mutex M24 (0x0000014d9438) created at:
     #0 pthread_mutex_init
 /home/development/llvm/3.6.0/final/llvm.src/projects/compiler-
 rt/lib/tsan/rtl/tsan_interceptors.cc:1082:3
 (notify_all_at_thread_exit_p+0x00000045f790)
     #1 boost::mutex::mutex() <null>
 (notify_all_at_thread_exit_p+0x0000004c27d7)
     #2 __cxx_global_var_init10 <null>
 (notify_all_at_thread_exit_p+0x0000004439cc)
     #3 _GLOBAL__sub_I_notify_all_at_thread_exit_pass.cpp <null>
 (notify_all_at_thread_exit_p+0x000000443a43)
     #4 __libc_csu_init <null> (notify_all_at_thread_exit_p+0x0000004d538c)

   Thread T1 (tid=14087, running) created by main thread at:
     #0 pthread_create /home/development/llvm/3.6.0/final/llvm.src/projects
 /compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:896:3
 (notify_all_at_thread_exit_p+0x00000045e361)
     #1 boost::thread::start_thread_noexcept() <null>
 (libboost_thread.so.1.58.0+0x0000000255b0)
     #2 boost::thread::start_thread() <null>
 (notify_all_at_thread_exit_p+0x0000004c3ba3)
     #3 boost::thread::thread<void (&)()>(void (&)()) <null>
 (notify_all_at_thread_exit_p+0x0000004c2f8b)
     #4 main <null> (notify_all_at_thread_exit_p+0x0000004c0903)

 SUMMARY: ThreadSanitizer: data race ??:0
 boost::detail::atomic_increment(int _Atomic*)
 ==================
 No errors detected.
 ThreadSanitizer: reported 6 warnings

 EXIT STATUS: 66



 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/11091>
Boost C++ Libraries <http://www.boost.org/>
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