56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* Copyright 2013-present Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <folly/Portability.h>
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#include <folly/Preprocessor.h>
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/**
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* Verify that the expression is true. If not, prints an error message
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* (containing msg) to stderr and abort()s. Just like CHECK(), but only
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* logs to stderr and only does async-signal-safe calls.
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*/
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#define FOLLY_SAFE_CHECK_IMPL(expr, expr_s, msg) \
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((expr) ? static_cast<void>(0) \
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: ::folly::detail::assertionFailure( \
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FB_STRINGIZE(expr_s), \
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(msg), \
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__FILE__, \
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__LINE__, \
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__PRETTY_FUNCTION__))
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#define FOLLY_SAFE_CHECK(expr, msg) FOLLY_SAFE_CHECK_IMPL((expr), (expr), (msg))
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/**
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* In debug mode, verify that the expression is true. Otherwise, do nothing
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* (do not even evaluate expr). Just like DCHECK(), but only logs to stderr and
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* only does async-signal-safe calls.
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*/
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#define FOLLY_SAFE_DCHECK(expr, msg) \
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FOLLY_SAFE_CHECK_IMPL(!folly::kIsDebug || (expr), (expr), (msg))
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namespace folly {
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namespace detail {
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[[noreturn]] void assertionFailure(
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const char* expr,
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const char* msg,
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const char* file,
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unsigned int line,
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const char* function);
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} // namespace detail
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} // namespace folly
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