1 /** 2 * Copyright © 2017 IBM Corporation 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include <stdexcept> 17 #include <unistd.h> 18 #include "filedescriptor.hpp" 19 20 namespace openpower 21 { 22 namespace p9_util 23 { 24 25 FileDescriptor::FileDescriptor(const std::string& path) 26 { 27 fd = open(path.c_str(), O_RDWR | O_SYNC); 28 29 if (fd < 0) 30 { 31 //Future: use a different exception to create an error log 32 char msg[200]; 33 sprintf(msg, "Failed to open FSI device path %s. errno = %d", 34 path.c_str(), errno); 35 throw std::runtime_error(msg); 36 } 37 } 38 39 40 FileDescriptor::~FileDescriptor() 41 { 42 if (fd >= 0) 43 { 44 close(fd); 45 } 46 } 47 48 } 49 } 50