2 * Copyright 2014 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.
17 #ifndef FOLLY_SAFEASSERT_H_
18 #define FOLLY_SAFEASSERT_H_
20 #include <folly/Portability.h>
21 #include <folly/Preprocessor.h>
24 * Verify that the expression is true. If not, prints an error message
25 * (containing msg) to stderr and abort()s. Just like CHECK(), but only
26 * logs to stderr and only does async-signal-safe calls.
28 #define FOLLY_SAFE_CHECK(expr, msg) \
29 ((expr) ? static_cast<void>(0) : \
30 ::folly::detail::assertionFailure( \
31 FB_STRINGIZE(expr), (msg), __FILE__, __LINE__, __PRETTY_FUNCTION__))
34 * In debug mode, verify that the expression is true. Otherwise, do nothing
35 * (do not even evaluate expr). Just like assert() or DCHECK(), but only
36 * logs to stderr and only does async-signal-safe calls.
39 #define FOLLY_SAFE_DCHECK(expr, msg) (static_cast<void>(0))
41 #define FOLLY_SAFE_DCHECK FOLLY_SAFE_CHECK
44 namespace folly { namespace detail {
46 FOLLY_NORETURN void assertionFailure(const char* expr, const char* msg,
47 const char* file, unsigned int line,
48 const char* function);
52 #endif /* FOLLY_SAFEASSERT_H_ */