segvcatch_bench.cpp

// Copyright 2020 The Division Authors.
//
// 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
//
//      https://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.
// Author dietoad@gmail.com && firedtoad@gmail.com

#include "segvcatch/segvcatch.h"
#include <benchmark/benchmark.h>
//#include <csetjmp>
#include "pg_siglongjmp.h"

int *p = nullptr;
int *d = new int{0};
thread_local pg_sigjmp_buf buf{};

 void handleSegV()
{
    pg_siglongjmp(&buf);
}

void handleFpe()
{
    pg_siglongjmp(&buf);
}

static void BM_SegvCatch(benchmark::State &state)
{
    for (auto _ : state)
    {
       if( pg_sigsetjmp(&buf,1)==0)
        {
            *p = 10;
            benchmark::DoNotOptimize(p);
        }
        else
        {
            benchmark::DoNotOptimize(buf);
        }
    }
}

BENCHMARK(BM_SegvCatch);

int main(int argc, char **argv)
{
    segvcatch::init_segv(handleSegV);
    segvcatch::init_fpe(handleFpe);
    benchmark::Initialize(&argc, argv);
    benchmark::RunSpecifiedBenchmarks();
    return 0;
}