1 //===-- LockFilePosix.h -----------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_HOST_POSIX_LOCKFILEPOSIX_H 10 #define LLDB_HOST_POSIX_LOCKFILEPOSIX_H 11 12 #include "lldb/Host/LockFileBase.h" 13 14 namespace lldb_private { 15 16 class LockFilePosix : public LockFileBase { 17 public: 18 explicit LockFilePosix(int fd); 19 ~LockFilePosix() override; 20 21 protected: 22 Status DoWriteLock(const uint64_t start, const uint64_t len) override; 23 24 Status DoTryWriteLock(const uint64_t start, const uint64_t len) override; 25 26 Status DoReadLock(const uint64_t start, const uint64_t len) override; 27 28 Status DoTryReadLock(const uint64_t start, const uint64_t len) override; 29 30 Status DoUnlock() override; 31 }; 32 33 } // namespace lldb_private 34 35 #endif // LLDB_HOST_POSIX_LOCKFILEPOSIX_H 36