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The etagResponseWriter had a potential data race on the buffer field and state fields (hasWritten, written, skipETag, finalized) when Write() and Flush() were called concurrently. Changes: - Add sync.Mutex to etagResponseWriter struct - Create writeHeaderLocked(), writeLocked(), finalizeLocked() internal methods - Update public methods (WriteHeader, Write, Flush, finalize) to use locking - Add TestETag_ConcurrentWriteAndFlush to verify thread safety Signed-off-by: alexferl <me@alexferl.com>
Pull Request Test Coverage Report for Build 22927677831Details
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The etagResponseWriter had a potential data race on the buffer field
and state fields (hasWritten, written, skipETag, finalized) when
Write() and Flush() were called concurrently.
Changes: