/*
 * Copyright (c) Meta Platforms, Inc. and 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.
 */

#include <folly/lang/UncaughtExceptions.h>

#include <folly/Benchmark.h>
#include <folly/lang/Hint.h>
#include <folly/lang/Keep.h>

extern "C" FOLLY_KEEP int check_folly_uncaught_exceptions() {
  return folly::uncaught_exceptions();
}

BENCHMARK(std_uncaught_exceptions, iters) {
  int s = 0;
  while (iters--) {
    int u = std::uncaught_exceptions();
    folly::compiler_must_not_predict(u);
    s ^= u;
  }
  folly::compiler_must_not_elide(s);
}

BENCHMARK(folly_uncaught_exceptions, iters) {
  int s = 0;
  while (iters--) {
    int u = folly::uncaught_exceptions();
    folly::compiler_must_not_predict(u);
    s ^= u;
  }
  folly::compiler_must_not_elide(s);
}

int main() {
  folly::runBenchmarks();
}
