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c++boostc++17boost-asioasio

boost::asio::steady_timer get stuck at WaitForSingleObject when built as a DLL

I've just encountered a weird and devastating problem that I couldn't find any information about it anywhere.

asio::steady_timer timer(m_context);

This asio::steady_timer works perfectly fine if I'm building it as an EXE, but if it's built as a DLL it will be stuck waiting for WaitForSingleObject (in win_thread.ipp file, line 106) whenever initialize a asio::steady_timer, please take a look at the picture below.

asio::steady_timer stuck

This DLL is just an empty project, it only includes the asio.hpp file. I've found this_article about a problem that might be relevant, but still found no way to debug or fix this.

Am I doing something wrong, or is this the library's bug?

Thanks for your time!

Solution

  • This was solved by making these two class members or global variables and not initializing them in the entry point of the DLL.

    asio::io_context context;
asio::steady_timer timer(context);