/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
-#ifndef FOLLY_SAFEASSERT_H_
-#define FOLLY_SAFEASSERT_H_
+#pragma once
-#include "folly/Portability.h"
-#include "folly/Preprocessor.h"
+#include <folly/Portability.h>
+#include <folly/Preprocessor.h>
/**
* 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) \
+#define FOLLY_SAFE_CHECK_IMPL(expr, expr_s, msg) \
((expr) ? static_cast<void>(0) : \
::folly::detail::assertionFailure( \
- FB_STRINGIZE(expr), (msg), __FILE__, __LINE__, __PRETTY_FUNCTION__))
+ FB_STRINGIZE(expr_s), (msg), __FILE__, __LINE__, __PRETTY_FUNCTION__))
+#define FOLLY_SAFE_CHECK(expr, msg) FOLLY_SAFE_CHECK_IMPL((expr), (expr), (msg))
/**
* In debug mode, verify that the expression is true. Otherwise, do nothing
- * (do not even evaluate expr). Just like assert() or DCHECK(), but only
- * logs to stderr and only does async-signal-safe calls.
+ * (do not even evaluate expr). Just like DCHECK(), but only logs to stderr and
+ * only does async-signal-safe calls.
*/
-#ifdef NDEBUG
-#define FOLLY_SAFE_DCHECK(expr, msg) (static_cast<void>(0))
-#else
-#define FOLLY_SAFE_DCHECK FOLLY_SAFE_CHECK
-#endif
+#define FOLLY_SAFE_DCHECK(expr, msg) \
+ FOLLY_SAFE_CHECK_IMPL(!folly::kIsDebug || (expr), (expr), (msg))
namespace folly { namespace detail {
-FOLLY_NORETURN void assertionFailure(const char* expr, const char* msg,
- const char* file, unsigned int line,
- const char* function);
-
+[[noreturn]] void assertionFailure(
+ const char* expr,
+ const char* msg,
+ const char* file,
+ unsigned int line,
+ const char* function);
}} // namespace folly
-
-#endif /* FOLLY_SAFEASSERT_H_ */
-