Os.java revision 1791f6be1bd2733babb0c862ad8509f4c847b48f
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 android.system.ErrnoException; 20import android.system.GaiException; 21import android.system.StructAddrinfo; 22import android.system.StructFlock; 23import android.system.StructGroupReq; 24import android.system.StructGroupSourceReq; 25import android.system.StructLinger; 26import android.system.StructPasswd; 27import android.system.StructPollfd; 28import android.system.StructStat; 29import android.system.StructStatVfs; 30import android.system.StructTimeval; 31import android.system.StructUcred; 32import android.system.StructUtsname; 33import android.util.MutableInt; 34import android.util.MutableLong; 35import java.io.FileDescriptor; 36import java.io.InterruptedIOException; 37import java.net.InetAddress; 38import java.net.InetSocketAddress; 39import java.net.SocketAddress; 40import java.net.SocketException; 41import java.nio.ByteBuffer; 42 43public interface Os { 44 public FileDescriptor accept(FileDescriptor fd, InetSocketAddress peerAddress) throws ErrnoException, SocketException; 45 public boolean access(String path, int mode) throws ErrnoException; 46 public InetAddress[] android_getaddrinfo(String node, StructAddrinfo hints, int netId) throws GaiException; 47 public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException; 48 public void chmod(String path, int mode) throws ErrnoException; 49 public void chown(String path, int uid, int gid) throws ErrnoException; 50 public void close(FileDescriptor fd) throws ErrnoException; 51 public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException; 52 public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException; 53 public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException; 54 public String[] environ(); 55 public void execv(String filename, String[] argv) throws ErrnoException; 56 public void execve(String filename, String[] argv, String[] envp) throws ErrnoException; 57 public void fchmod(FileDescriptor fd, int mode) throws ErrnoException; 58 public void fchown(FileDescriptor fd, int uid, int gid) throws ErrnoException; 59 public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException; 60 public int fcntlLong(FileDescriptor fd, int cmd, long arg) throws ErrnoException; 61 public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException, InterruptedIOException; 62 public void fdatasync(FileDescriptor fd) throws ErrnoException; 63 public StructStat fstat(FileDescriptor fd) throws ErrnoException; 64 public StructStatVfs fstatvfs(FileDescriptor fd) throws ErrnoException; 65 public void fsync(FileDescriptor fd) throws ErrnoException; 66 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException; 67 public String gai_strerror(int error); 68 public int getegid(); 69 public int geteuid(); 70 public int getgid(); 71 public String getenv(String name); 72 /* TODO: break into getnameinfoHost and getnameinfoService? */ 73 public String getnameinfo(InetAddress address, int flags) throws GaiException; 74 public SocketAddress getpeername(FileDescriptor fd) throws ErrnoException; 75 public int getpid(); 76 public int getppid(); 77 public StructPasswd getpwnam(String name) throws ErrnoException; 78 public StructPasswd getpwuid(int uid) throws ErrnoException; 79 public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException; 80 public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException; 81 public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException; 82 public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException; 83 public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException; 84 public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException; 85 public StructUcred getsockoptUcred(FileDescriptor fd, int level, int option) throws ErrnoException; 86 public int gettid(); 87 public int getuid(); 88 public String if_indextoname(int index); 89 public InetAddress inet_pton(int family, String address); 90 public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException; 91 public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException; 92 public boolean isatty(FileDescriptor fd); 93 public void kill(int pid, int signal) throws ErrnoException; 94 public void lchown(String path, int uid, int gid) throws ErrnoException; 95 public void link(String oldPath, String newPath) throws ErrnoException; 96 public void listen(FileDescriptor fd, int backlog) throws ErrnoException; 97 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException; 98 public StructStat lstat(String path) throws ErrnoException; 99 public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException; 100 public void mkdir(String path, int mode) throws ErrnoException; 101 public void mkfifo(String path, int mode) throws ErrnoException; 102 public void mlock(long address, long byteCount) throws ErrnoException; 103 public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException; 104 public void msync(long address, long byteCount, int flags) throws ErrnoException; 105 public void munlock(long address, long byteCount) throws ErrnoException; 106 public void munmap(long address, long byteCount) throws ErrnoException; 107 public FileDescriptor open(String path, int flags, int mode) throws ErrnoException; 108 public FileDescriptor[] pipe() throws ErrnoException; 109 /* TODO: if we used the non-standard ppoll(2) behind the scenes, we could take a long timeout. */ 110 public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException; 111 public void posix_fallocate(FileDescriptor fd, long offset, long length) throws ErrnoException; 112 public int prctl(int option, long arg2, long arg3, long arg4, long arg5) throws ErrnoException; 113 public int pread(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException; 114 public int pread(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException; 115 public int pwrite(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException; 116 public int pwrite(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException; 117 public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException; 118 public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException; 119 public String readlink(String path) throws ErrnoException; 120 public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException; 121 public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException; 122 public int recvfrom(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException; 123 public void remove(String path) throws ErrnoException; 124 public void rename(String oldPath, String newPath) throws ErrnoException; 125 public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException; 126 public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException; 127 public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException; 128 public void setegid(int egid) throws ErrnoException; 129 public void setenv(String name, String value, boolean overwrite) throws ErrnoException; 130 public void seteuid(int euid) throws ErrnoException; 131 public void setgid(int gid) throws ErrnoException; 132 public int setsid() throws ErrnoException; 133 public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 134 public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException; 135 public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 136 public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 137 public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException; 138 public void setsockoptGroupSourceReq(FileDescriptor fd, int level, int option, StructGroupSourceReq value) throws ErrnoException; 139 public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException; 140 public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException; 141 public void setuid(int uid) throws ErrnoException; 142 public void shutdown(FileDescriptor fd, int how) throws ErrnoException; 143 public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException; 144 public void socketpair(int domain, int type, int protocol, FileDescriptor fd1, FileDescriptor fd2) throws ErrnoException; 145 public StructStat stat(String path) throws ErrnoException; 146 public StructStatVfs statvfs(String path) throws ErrnoException; 147 public String strerror(int errno); 148 public String strsignal(int signal); 149 public void symlink(String oldPath, String newPath) throws ErrnoException; 150 public long sysconf(int name); 151 public void tcdrain(FileDescriptor fd) throws ErrnoException; 152 public void tcsendbreak(FileDescriptor fd, int duration) throws ErrnoException; 153 public int umask(int mask); 154 public StructUtsname uname(); 155 public void unsetenv(String name) throws ErrnoException; 156 public int waitpid(int pid, MutableInt status, int options) throws ErrnoException; 157 public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException; 158 public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException; 159 public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException; 160} 161