Os.java revision 78c7cc547101002b9f9043cf3845970719d1bda8
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; 20import java.nio.ByteBuffer; 21 22public interface Os { 23 public boolean access(String path, int mode) throws ErrnoException; 24 public void chmod(String path, int mode) throws ErrnoException; 25 public String[] environ(); 26 public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException; 27 public int fcntlLong(FileDescriptor fd, int cmd, long arg) throws ErrnoException; 28 public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException; 29 public void fdatasync(FileDescriptor fd) throws ErrnoException; 30 public StructStat fstat(FileDescriptor fd) throws ErrnoException; 31 public StructStatFs fstatfs(FileDescriptor fd) throws ErrnoException; 32 public void fsync(FileDescriptor fd) throws ErrnoException; 33 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException; 34 public String getenv(String name); 35 public boolean isatty(FileDescriptor fd); 36 public void listen(FileDescriptor fd, int backlog) throws ErrnoException; 37 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException; 38 public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException; 39 public void mkdir(String path, int mode) throws ErrnoException; 40 public void mlock(long address, long byteCount) throws ErrnoException; 41 public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException; 42 public void msync(long address, long byteCount, int flags) throws ErrnoException; 43 public void munlock(long address, long byteCount) throws ErrnoException; 44 public void munmap(long address, long byteCount) throws ErrnoException; 45 public FileDescriptor open(String path, int flags, int mode) throws ErrnoException; 46 public FileDescriptor[] pipe() throws ErrnoException; 47 public StructStat lstat(String path) throws ErrnoException; 48 public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException; 49 public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException; 50 public void remove(String path) throws ErrnoException; 51 public void rename(String oldPath, String newPath) throws ErrnoException; 52 public void shutdown(FileDescriptor fd, int how) throws ErrnoException; 53 public StructStat stat(String path) throws ErrnoException; 54 public StructStatFs statfs(String path) throws ErrnoException; 55 public String strerror(int errno); 56 public void symlink(String oldPath, String newPath) throws ErrnoException; 57 public long sysconf(int name); 58 public StructUtsname uname() throws ErrnoException; 59 public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException; 60 public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException; 61} 62