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