Os.java revision 798f855f67b74d481346d9dc2293ba0eedd8daf9 
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.net.SocketException;
24import java.nio.ByteBuffer;
25import libcore.util.MutableInt;
26import libcore.util.MutableLong;
27
28public interface Os {
29    public FileDescriptor accept(FileDescriptor fd, InetSocketAddress peerAddress) throws ErrnoException, SocketException;
30    public boolean access(String path, int mode) throws ErrnoException;
31    public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException;
32    public void chmod(String path, int mode) throws ErrnoException;
33    public void chown(String path, int uid, int gid) throws ErrnoException;
34    public void close(FileDescriptor fd) throws ErrnoException;
35    public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException;
36    public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException;
37    public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException;
38    public String[] environ();
39    public void execv(String filename, String[] argv) throws ErrnoException;
40    public void execve(String filename, String[] argv, String[] envp) throws ErrnoException;
41    public void fchmod(FileDescriptor fd, int mode) throws ErrnoException;
42    public void fchown(FileDescriptor fd, int uid, int gid) throws ErrnoException;
43    public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException;
44    public int fcntlLong(FileDescriptor fd, int cmd, long arg) throws ErrnoException;
45    public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException;
46    public void fdatasync(FileDescriptor fd) throws ErrnoException;
47    public StructStat fstat(FileDescriptor fd) throws ErrnoException;
48    public StructStatFs fstatfs(FileDescriptor fd) throws ErrnoException;
49    public void fsync(FileDescriptor fd) throws ErrnoException;
50    public void ftruncate(FileDescriptor fd, long length) throws ErrnoException;
51    public String gai_strerror(int error);
52    public InetAddress[] getaddrinfo(String node, StructAddrinfo hints) throws GaiException;
53    public int getegid();
54    public int geteuid();
55    public int getgid();
56    public String getenv(String name);
57    /* TODO: break into getnameinfoHost and getnameinfoService? */
58    public String getnameinfo(InetAddress address, int flags) throws GaiException;
59    public int getpid();
60    public int getppid();
61    public StructPasswd getpwnam(String name) throws ErrnoException;
62    public StructPasswd getpwuid(int uid) throws ErrnoException;
63    public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException;
64    public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException;
65    public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException;
66    public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException;
67    public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException;
68    public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException;
69    public int getuid();
70    public String if_indextoname(int index);
71    public InetAddress inet_pton(int family, String address);
72    public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException;
73    public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException;
74    public boolean isatty(FileDescriptor fd);
75    public void kill(int pid, int signal) throws ErrnoException;
76    public void lchown(String path, int uid, int gid) throws ErrnoException;
77    public void listen(FileDescriptor fd, int backlog) throws ErrnoException;
78    public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException;
79    public StructStat lstat(String path) throws ErrnoException;
80    public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException;
81    public void mkdir(String path, int mode) throws ErrnoException;
82    public void mlock(long address, long byteCount) throws ErrnoException;
83    public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException;
84    public void msync(long address, long byteCount, int flags) throws ErrnoException;
85    public void munlock(long address, long byteCount) throws ErrnoException;
86    public void munmap(long address, long byteCount) throws ErrnoException;
87    public FileDescriptor open(String path, int flags, int mode) throws ErrnoException;
88    public FileDescriptor[] pipe() throws ErrnoException;
89    /* TODO: if we used the non-standard ppoll(2) behind the scenes, we could take a long timeout. */
90    public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException;
91    public int pread(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException;
92    public int pread(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException;
93    public int pwrite(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException;
94    public int pwrite(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException;
95    public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
96    public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
97    public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
98    public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException;
99    public int recvfrom(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException;
100    public void remove(String path) throws ErrnoException;
101    public void rename(String oldPath, String newPath) throws ErrnoException;
102    public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException;
103    public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException;
104    public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException;
105    public void setegid(int egid) throws ErrnoException;
106    public void setenv(String name, String value, boolean overwrite) throws ErrnoException;
107    public void seteuid(int euid) throws ErrnoException;
108    public void setgid(int gid) throws ErrnoException;
109    public int setsid() throws ErrnoException;
110    public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
111    public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException;
112    public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
113    public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException;
114    public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException;
115    public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException;
116    public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException;
117    public void setuid(int uid) throws ErrnoException;
118    public void shutdown(FileDescriptor fd, int how) throws ErrnoException;
119    public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException;
120    public void socketpair(int domain, int type, int protocol, FileDescriptor fd1, FileDescriptor fd2) throws ErrnoException;
121    public StructStat stat(String path) throws ErrnoException;
122    /* TODO: replace statfs with statvfs. */
123    public StructStatFs statfs(String path) throws ErrnoException;
124    public String strerror(int errno);
125    public void symlink(String oldPath, String newPath) throws ErrnoException;
126    public long sysconf(int name);
127    public void tcdrain(FileDescriptor fd) throws ErrnoException;
128    public void tcsendbreak(FileDescriptor fd, int duration) throws ErrnoException;
129    public int umask(int mask);
130    public StructUtsname uname();
131    public void unsetenv(String name) throws ErrnoException;
132    public int waitpid(int pid, MutableInt status, int options) throws ErrnoException;
133    public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException;
134    public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException;
135    public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException;
136}
137