Os.java revision 7e25eff38a191d9c19e45093f4fde5102fb09d78
1/* 2 * Copyright (C) 2011 The Android Open Source Project 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 17package libcore.io; 18 19import java.io.FileDescriptor; 20 21public interface Os { 22 public boolean access(String path, int mode) throws ErrnoException; 23 public String[] environ(); 24 public void fdatasync(FileDescriptor fd) throws ErrnoException; 25 public StructStat fstat(FileDescriptor fd) throws ErrnoException; 26 public void fsync(FileDescriptor fd) throws ErrnoException; 27 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException; 28 public String getenv(String name); 29 public boolean isatty(FileDescriptor fd); 30 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException; 31 public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException; 32 public void msync(long address, long byteCount, int flags) throws ErrnoException; 33 public void munmap(long address, long byteCount) throws ErrnoException; 34 public StructStat lstat(String path) throws ErrnoException; 35 public StructStat stat(String path) throws ErrnoException; 36 public String strerror(int errno); 37 public long sysconf(int name); 38} 39