d5f8890bbf
Given that ERRNO_IS_DISCONNECT() also matches positive values, make sure this macro is not called with arguments that do not have errno semantics. In this case the argument passed to ERRNO_IS_DISCONNECT() is the value returned by socket_acquire_peer() which can legitimately return 1 without errno semantics, so fix this by moving ERRNO_IS_DISCONNECT() invocation to the branch where the return value is known to be negative.
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