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fbdb46f5cb
Reviewed By: chadaustin Differential Revision: D17872966 fbshipit-source-id: cd60a364a2146f0dadbeca693b1d4a5d7c97ff63
36 lines
943 B
C++
36 lines
943 B
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <system_error>
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namespace facebook {
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namespace eden {
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/**
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* Return true if this exception contains an errno value in ex.code().value()
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*/
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inline bool isErrnoError(const std::system_error& ex) {
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// std::generic_category is the correct category to represent errno values.
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// However folly/Exception.h unfortunately throws errno values as
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// std::system_category for now.
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return (
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ex.code().category() == std::generic_category() ||
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ex.code().category() == std::system_category());
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}
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/**
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* Return true if this exception is equivalent to an ENOENT error code.
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*/
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inline bool isEnoent(const std::system_error& ex) {
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return isErrnoError(ex) && ex.code().value() == ENOENT;
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}
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} // namespace eden
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} // namespace facebook
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