// block: Wait for space (unbounded pending queue)
Untrusted Code ─( Syscall )─→ Host Kernel ─( Hardware API )─→ Hardware
，更多细节参见爱思助手下载最新版本
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better: as a consumer-facing device, ATMs became part of the brand image of the
圖像加註文字，谷愛凌和粉絲「荒謬的觀點」與「令人失望的決定」