augusto2112 added a comment. In D157648#4578420 <https://reviews.llvm.org/D157648#4578420>, @JDevlieghere wrote:
> Is the reported race specifically about the shared pointer being accessed > concurrently or operations on the `IOHandler`? I believe it's the shared pointer being accessed. Here's an example of what's being reported: WARNING: ThreadSanitizer: data race (pid=52249) Read of size 8 at 0x00010731ce38 by thread T3: #0 lldb_private::Process::PopProcessIOHandler() Process.cpp:4559 (liblldb.18.0.0git.dylib:arm64+0x53a5a4) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #1 lldb_private::Process::HandlePrivateEvent(std::__1::shared_ptr<lldb_private::Event>&) Process.cpp:3775 (liblldb.18.0.0git.dylib:arm64+0x54204c) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #2 lldb_private::Process::RunPrivateStateThread(bool) Process.cpp:3904 (liblldb.18.0.0git.dylib:arm64+0x54874c) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #3 std::__1::__function::__func<lldb_private::Process::StartPrivateStateThread(bool)::$_5, std::__1::allocator<lldb_private::Process::StartPrivateStateThread(bool)::$_5>, void* ()>::operator()() function.h:356 (liblldb.18.0.0git.dylib:arm64+0x555de4) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #4 lldb_private::HostNativeThreadBase::ThreadCreateTrampoline(void*) HostNativeThreadBase.cpp:62 (liblldb.18.0.0git.dylib:arm64+0x3e83fc) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #5 lldb_private::HostThreadMacOSX::ThreadCreateTrampoline(void*) HostThreadMacOSX.mm:18 (liblldb.18.0.0git.dylib:arm64+0x175056c) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) Previous write of size 8 at 0x00010731ce38 by main thread (mutexes: write M0): #0 lldb_private::Process::SetSTDIOFileDescriptor(int) Process.cpp:4528 (liblldb.18.0.0git.dylib:arm64+0x54aa5c) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #1 lldb_private::Platform::DebugProcess(lldb_private::ProcessLaunchInfo&, lldb_private::Debugger&, lldb_private::Target&, lldb_private::Status&) Platform.cpp:1120 (liblldb.18.0.0git.dylib:arm64+0x52bc54) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #2 lldb_private::PlatformDarwin::DebugProcess(lldb_private::ProcessLaunchInfo&, lldb_private::Debugger&, lldb_private::Target&, lldb_private::Status&) PlatformDarwin.cpp:711 (liblldb.18.0.0git.dylib:arm64+0x872cc8) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) #3 lldb_private::Target::Launch(lldb_private::ProcessLaunchInfo&, lldb_private::Stream*) Target.cpp:3235 (liblldb.18.0.0git.dylib:arm64+0x5b118c) (BuildId: 6e77321523b936d2955d63d4d25df7cd32000000200000000100000000000e00) Line 4559 is IOHandlerSP io_handler_sp(m_process_input_reader); Line 4528 is m_process_input_reader = std::make_shared<IOHandlerProcessSTDIO>(this, fd); Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D157648/new/ https://reviews.llvm.org/D157648 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits