Os.java revision 8b15dcc5890963edad4dfcf558cc16027c7985e5 
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;
21import libcore.util.MutableInt;
22import libcore.util.MutableLong;
23
24public interface Os {
25    public boolean access(String path, int mode) throws ErrnoException;
26    public void chmod(String path, int mode) throws ErrnoException;
27    public String[] environ();
28    public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException;
29    public int fcntlLong(FileDescriptor fd, int cmd, long arg) throws ErrnoException;
30    public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException;
31    public void fdatasync(FileDescriptor fd) throws ErrnoException;
32    public StructStat fstat(FileDescriptor fd) throws ErrnoException;
33    public StructStatFs fstatfs(FileDescriptor fd) throws ErrnoException;
34    public void fsync(FileDescriptor fd) throws ErrnoException;
35    public void ftruncate(FileDescriptor fd, long length) throws ErrnoException;
36    public String getenv(String name);
37    public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException;
38    public boolean isatty(FileDescriptor fd);
39    public void listen(FileDescriptor fd, int backlog) throws ErrnoException;
40    public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException;
41    public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException;
42    public void mkdir(String path, int mode) throws ErrnoException;
43    public void mlock(long address, long byteCount) throws ErrnoException;
44    public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException;
45    public void msync(long address, long byteCount, int flags) throws ErrnoException;
46    public void munlock(long address, long byteCount) throws ErrnoException;
47    public void munmap(long address, long byteCount) throws ErrnoException;
48    public FileDescriptor open(String path, int flags, int mode) throws ErrnoException;
49    public FileDescriptor[] pipe() throws ErrnoException;
50    public StructStat lstat(String path) throws ErrnoException;
51    public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
52    public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
53    public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
54    public void remove(String path) throws ErrnoException;
55    public void rename(String oldPath, String newPath) throws ErrnoException;
56    public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException;
57    public void shutdown(FileDescriptor fd, int how) throws ErrnoException;
58    public StructStat stat(String path) throws ErrnoException;
59    /* TODO: replace statfs with statvfs. */
60    public StructStatFs statfs(String path) throws ErrnoException;
61    public String strerror(int errno);
62    public void symlink(String oldPath, String newPath) throws ErrnoException;
63    public long sysconf(int name);
64    public StructUtsname uname() throws ErrnoException;
65    public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
66    public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
67    public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
68}
69