sammccall created this revision. sammccall added a reviewer: hokein. Herald added subscribers: cfe-commits, usaxena95, kadircet, arphaman, jkorous, MaskRay, ilya-biryukov. Herald added a project: clang.
Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D81538 Files: clang-tools-extra/clangd/tool/ClangdMain.cpp Index: clang-tools-extra/clangd/tool/ClangdMain.cpp =================================================================== --- clang-tools-extra/clangd/tool/ClangdMain.cpp +++ clang-tools-extra/clangd/tool/ClangdMain.cpp @@ -585,6 +585,8 @@ // Use buffered stream to stderr (we still flush each log message). Unbuffered // stream can cause significant (non-deterministic) latency for the logger. llvm::errs().SetBuffered(); + // Don't flush stdout when logging, this would be both slow and racy! + llvm::errs().tie(nullptr); StreamLogger Logger(llvm::errs(), LogLevel); LoggingSession LoggingSession(Logger); // Write some initial logs before we start doing any real work.
Index: clang-tools-extra/clangd/tool/ClangdMain.cpp =================================================================== --- clang-tools-extra/clangd/tool/ClangdMain.cpp +++ clang-tools-extra/clangd/tool/ClangdMain.cpp @@ -585,6 +585,8 @@ // Use buffered stream to stderr (we still flush each log message). Unbuffered // stream can cause significant (non-deterministic) latency for the logger. llvm::errs().SetBuffered(); + // Don't flush stdout when logging, this would be both slow and racy! + llvm::errs().tie(nullptr); StreamLogger Logger(llvm::errs(), LogLevel); LoggingSession LoggingSession(Logger); // Write some initial logs before we start doing any real work.
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