rest errno to zero before check

baidu / braft

An industrial-grade C++ implementation of RAFT consensus algorithm based on brpc, widely used inside Baidu to build highly-available distributed systems.

Apache License 2.0

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rest errno to zero before check #320

Closed lintanghui closed 3 years ago

lintanghui commented 3 years ago

只有当出现操作系统错误的时候errno才会被设置，load_meta的判断errno之前应该先清空errno的值防止历史遗留的errno导致误判 close #319