filedescriptor.cpp

/**
 * Copyright © 2017 IBM Corporation
 *
 * 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 <stdexcept>
#include <unistd.h>
#include "filedescriptor.hpp"

namespace openpower
{
namespace util
{

FileDescriptor::FileDescriptor(const std::string& path)
{
    fd = open(path.c_str(), O_RDWR | O_SYNC);

    if (fd < 0)
    {
        //Future: use a different exception to create an error log
        char msg[200];
        sprintf(msg, "Failed to open FSI device path %s.  errno = %d",
                path.c_str(), errno);
        throw std::runtime_error(msg);
    }
}


FileDescriptor::~FileDescriptor()
{
    if (fd >= 0)
    {
        close(fd);
    }
}

}
}