The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
第七十六条 有下列行为之一的，处一千元以上二千元以下罚款；情节严重的，处十日以上十五日以下拘留，可以并处二千元以下罚款：
，这一点在safew官方版本下载中也有详细论述
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That’s it. op run reads the references, fetches each secret from your vault (authenticating via Touch ID or your master password), injects them as environment variables, and runs your command. Secrets never touch disk as plaintext. As a bonus, op run automatically masks secret values if they accidentally appear in stdout.