Worked on the shader-slang/slang repository to enhance the reliability and correctness of core file I/O operations in C++. Focused on improving the UnixPipeStream::read() function, the developer addressed a bug where the stream did not properly close on EOF and failed to signal errors under certain conditions. By implementing robust error handling for POLLERR and POLLNVAL events and ensuring SLANG_FAIL is returned on stream errors, the changes reduced the risk of silent failures and improved downstream stability. This work demonstrated attention to system programming details and contributed to more predictable behavior in Unix-based file and pipe operations.