/*
- * Copyright 2016 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.
#include <type_traits>
#include <utility>
+#include <folly/Portability.h>
#include <folly/Preprocessor.h>
#include <folly/detail/UncaughtExceptionCounter.h>
dismissed_ = true;
}
+ template <typename T>
+ FOLLY_ALWAYS_INLINE static void runAndWarnAboutToCrashOnException(
+ T& function) noexcept {
+ try {
+ function();
+ } catch (...) {
+ warnAboutToCrash();
+ std::terminate();
+ }
+ }
+
protected:
ScopeGuardImplBase() noexcept : dismissed_(false) {}
}
bool dismissed_;
+
+ private:
+ static void warnAboutToCrash() noexcept;
};
template <typename FunctionType>
void* operator new(std::size_t) = delete;
- void execute() noexcept { function_(); }
+ void execute() noexcept {
+ runAndWarnAboutToCrashOnException(function_);
+ }
FunctionType function_;
};
* If the parameter is false, then the function is executed if no new uncaught
* exceptions are present at the end of the scope.
*
- * Used to implement SCOPE_FAIL and SCOPE_SUCCES below.
+ * Used to implement SCOPE_FAIL and SCOPE_SUCCESS below.
*/
template <typename FunctionType, bool executeOnException>
class ScopeGuardForNewException {
~ScopeGuardForNewException() noexcept(executeOnException) {
if (executeOnException == exceptionCounter_.isNewUncaughtException()) {
- function_();
+ if (executeOnException) {
+ ScopeGuardImplBase::runAndWarnAboutToCrashOnException(function_);
+ } else {
+ function_();
+ }
}
}
}
} // namespace detail
-} // folly
+} // namespace folly
#define SCOPE_EXIT \
auto FB_ANONYMOUS_VARIABLE(SCOPE_EXIT_STATE) \