Os.java revision 9e67ca71d3d4a489a157abadc5ba519ced7a0b50 
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.net.InetAddress;
21import java.net.InetSocketAddress;
22import java.net.SocketAddress;
23import java.nio.ByteBuffer;
24import libcore.util.MutableInt;
25import libcore.util.MutableLong;
26
27public interface Os {
28    public FileDescriptor accept(FileDescriptor fd, InetSocketAddress peerAddress) throws ErrnoException;
29    public boolean access(String path, int mode) throws ErrnoException;
30    public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException;
31    public void chmod(String path, int mode) throws ErrnoException;
32    public void close(FileDescriptor fd) throws ErrnoException;
33    public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException;
34    public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException;
35    public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException;
36    public String[] environ();
37    public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException;
38    public int fcntlLong(FileDescriptor fd, int cmd, long arg) throws ErrnoException;
39    public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException;
40    public void fdatasync(FileDescriptor fd) throws ErrnoException;
41    public StructStat fstat(FileDescriptor fd) throws ErrnoException;
42    public StructStatFs fstatfs(FileDescriptor fd) throws ErrnoException;
43    public void fsync(FileDescriptor fd) throws ErrnoException;
44    public void ftruncate(FileDescriptor fd, long length) throws ErrnoException;
45    public String gai_strerror(int error);
46    public InetAddress[] getaddrinfo(String node, StructAddrinfo hints) throws GaiException;
47    public int getegid();
48    public int geteuid();
49    public int getgid();
50    public String getenv(String name);
51    /* TODO: break into getnameinfoHost and getnameinfoService? */
52    public String getnameinfo(InetAddress address, int flags) throws GaiException;
53    public int getpid();
54    public int getppid();
55    public StructPasswd getpwnam(String name) throws ErrnoException;
56    public StructPasswd getpwuid(int uid) throws ErrnoException;
57    public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException;
58    public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException;
59    public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException;
60    public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException;
61    public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException;
62    public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException;
63    public int getuid();
64    public String if_indextoname(int index);
65    public InetAddress inet_aton(String address);
66    public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException;
67    public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException;
68    public boolean isatty(FileDescriptor fd);
69    public void kill(int pid, int signal) throws ErrnoException;
70    public void listen(FileDescriptor fd, int backlog) throws ErrnoException;
71    public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException;
72    public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException;
73    public void mkdir(String path, int mode) throws ErrnoException;
74    public void mlock(long address, long byteCount) throws ErrnoException;
75    public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException;
76    public void msync(long address, long byteCount, int flags) throws ErrnoException;
77    public void munlock(long address, long byteCount) throws ErrnoException;
78    public void munmap(long address, long byteCount) throws ErrnoException;
79    public FileDescriptor open(String path, int flags, int mode) throws ErrnoException;
80    public FileDescriptor[] pipe() throws ErrnoException;
81    /* TODO: if we used the non-standard ppoll(2) behind the scenes, we could take a long timeout. */
82    public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException;
83    public StructStat lstat(String path) throws ErrnoException;
84    public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
85    public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
86    public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
87    public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException;
88    public int recvfrom(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetSocketAddress srcAddress) throws ErrnoException;
89    public void remove(String path) throws ErrnoException;
90    public void rename(String oldPath, String newPath) throws ErrnoException;
91    public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException;
92    public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetAddress inetAddress, int port) throws ErrnoException;
93    public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException;
94    public void setegid(int egid) throws ErrnoException;
95    public void seteuid(int euid) throws ErrnoException;
96    public void setgid(int gid) throws ErrnoException;
97    public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
98    public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException;
99    public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
100    public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
101    public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException;
102    public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException;
103    public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException;
104    public void setuid(int uid) throws ErrnoException;
105    public void shutdown(FileDescriptor fd, int how) throws ErrnoException;
106    public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException;
107    public StructStat stat(String path) throws ErrnoException;
108    /* TODO: replace statfs with statvfs. */
109    public StructStatFs statfs(String path) throws ErrnoException;
110    public String strerror(int errno);
111    public void symlink(String oldPath, String newPath) throws ErrnoException;
112    public long sysconf(int name);
113    public StructUtsname uname() throws ErrnoException;
114    public int waitpid(int pid, MutableInt status, int options) throws ErrnoException;
115    public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
116    public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
117    public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
118}
119