| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| #ifndef __LINUX_MEMFD_HPP__ |
| #define __LINUX_MEMFD_HPP__ |
| |
| #include <string> |
| |
| #include <stout/try.hpp> |
| |
| #include <stout/os/int_fd.hpp> |
| |
| #if !defined(MFD_CLOEXEC) |
| #define MFD_CLOEXEC 0x0001U |
| #endif |
| |
| #if !defined(MFD_ALLOW_SEALING) |
| #define MFD_ALLOW_SEALING 0x0002U |
| #endif |
| |
| namespace mesos { |
| namespace internal { |
| namespace memfd { |
| |
| // Creates an anonymous in-memory file via `memfd_create`. |
| Try<int_fd> create(const std::string& name, unsigned int flags); |
| |
| |
| // Clone a file into a sealed private copy such that any attempt to |
| // modify it will not modify the original binary. Returns the memfd of |
| // the sealed copy. |
| Try<int_fd> cloneSealedFile(const std::string& filePath); |
| |
| } // namespace memfd { |
| } // namespace internal { |
| } // namespace mesos { |
| |
| #endif // __LINUX_MEMFD_HPP__ |