[Boost-users] Using async_pipe as named pipe in windows

[parean via Boost-users]

I have this code:

boost::asio::io_service ios;
std::vector<char> buf(20);
bp::async_pipe ap(ios, "\\\\.\\pipe\\SamplePipe");
boost::asio::async_read(ap, boost::asio::buffer(buf),
[](const boost::system::error_code &ec, std::size_t size) {});
ios.run();

Now, I execute "echo 42 > \\.\pipe\SamplePipe" in the cmd and expect an
asynchronous read to the buffer to occur. But instead I get the following
error: "All pipe instances are busy." I'm sure I'm doing something wrong.
Can you please tell me what should I add to my code for it to work?



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[Stian Zeljko Vrba via Boost-users]

You need to read and understand topics linked from this overview page: https://docs.microsoft.com/en-us/windows/desktop/ipc/named-pipes
I'm unsure whether all the necessary steps are achievable using only asio (e.g., CreateNamedPipe and ConnectNamedPipe).