Instead of filtering syscalls to the host kernel, gVisor interposes a completely separate kernel implementation called the Sentry between the untrusted code and the host. The Sentry does not access the host filesystem directly; instead, a separate process called the Gofer handles file operations on the Sentry’s behalf, communicating over a restricted protocol. This means even the Sentry’s own file access is mediated.
魅族提到，本次战略转型最大原因是因国内手机市场竞争激烈，同时内存价格持续暴涨，导致下一步新产品的正常商业化变成了不可为。
，详情可参考heLLoword翻译官方下载
适配度，是经济规律中的一个视角，其实也是“树什么样的政绩”的度量衡。政绩观对不对，拿这把尺子量一量就清清楚楚。
For implementers, BYOB adds significant complexity. The stream must track pending BYOB requests, handle partial fills, manage buffer detachment correctly, and coordinate between the BYOB reader and the underlying source. The Web Platform Tests for readable byte streams include dedicated test files just for BYOB edge cases: detached buffers, bad views, response-after-enqueue ordering, and more.
Animation: Jacqui VanLiew; source images: Getty Images