2 * Copyright 2016 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <folly/Portability.h>
20 #include <folly/Preprocessor.h>
23 * Verify that the expression is true. If not, prints an error message
24 * (containing msg) to stderr and abort()s. Just like CHECK(), but only
25 * logs to stderr and only does async-signal-safe calls.
27 #define FOLLY_SAFE_CHECK_IMPL(expr, expr_s, msg) \
28 ((expr) ? static_cast<void>(0) : \
29 ::folly::detail::assertionFailure( \
30 FB_STRINGIZE(expr_s), (msg), __FILE__, __LINE__, __PRETTY_FUNCTION__))
31 #define FOLLY_SAFE_CHECK(expr, msg) FOLLY_SAFE_CHECK_IMPL((expr), (expr), (msg))
34 * In debug mode, verify that the expression is true. Otherwise, do nothing
35 * (do not even evaluate expr). Just like DCHECK(), but only logs to stderr and
36 * only does async-signal-safe calls.
38 #define FOLLY_SAFE_DCHECK(expr, msg) \
39 FOLLY_SAFE_CHECK_IMPL(!folly::kIsDebug || (expr), (expr), (msg))
41 namespace folly { namespace detail {
43 [[noreturn]] void assertionFailure(
48 const char* function);