Os.java revision 6d1649c5b37b21ef2b690bc0f86306e19a32db02
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.StructIfaddrs; 26import android.system.StructLinger; 27import android.system.StructPasswd; 28import android.system.StructPollfd; 29import android.system.StructStat; 30import android.system.StructStatVfs; 31import android.system.StructTimeval; 32import android.system.StructUcred; 33import android.system.StructUtsname; 34import android.util.MutableInt; 35import android.util.MutableLong; 36import java.io.FileDescriptor; 37import java.io.InterruptedIOException; 38import java.net.InetAddress; 39import java.net.InetSocketAddress; 40import java.net.SocketAddress; 41import java.net.SocketException; 42import java.nio.ByteBuffer; 43 44public interface Os { 45 public FileDescriptor accept(FileDescriptor fd, SocketAddress peerAddress) throws ErrnoException, SocketException; 46 public boolean access(String path, int mode) throws ErrnoException; 47 public InetAddress[] android_getaddrinfo(String node, StructAddrinfo hints, int netId) throws GaiException; 48 public void bind(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException; 49 public void bind(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException; 50 public void chmod(String path, int mode) throws ErrnoException; 51 public void chown(String path, int uid, int gid) throws ErrnoException; 52 public void close(FileDescriptor fd) throws ErrnoException; 53 public void connect(FileDescriptor fd, InetAddress address, int port) throws ErrnoException, SocketException; 54 public void connect(FileDescriptor fd, SocketAddress address) throws ErrnoException, SocketException; 55 public FileDescriptor dup(FileDescriptor oldFd) throws ErrnoException; 56 public FileDescriptor dup2(FileDescriptor oldFd, int newFd) throws ErrnoException; 57 public String[] environ(); 58 public void execv(String filename, String[] argv) throws ErrnoException; 59 public void execve(String filename, String[] argv, String[] envp) throws ErrnoException; 60 public void fchmod(FileDescriptor fd, int mode) throws ErrnoException; 61 public void fchown(FileDescriptor fd, int uid, int gid) throws ErrnoException; 62 public int fcntlFlock(FileDescriptor fd, int cmd, StructFlock arg) throws ErrnoException, InterruptedIOException; 63 public int fcntlInt(FileDescriptor fd, int cmd, int arg) throws ErrnoException; 64 public int fcntlVoid(FileDescriptor fd, int cmd) throws ErrnoException; 65 public void fdatasync(FileDescriptor fd) throws ErrnoException; 66 public StructStat fstat(FileDescriptor fd) throws ErrnoException; 67 public StructStatVfs fstatvfs(FileDescriptor fd) throws ErrnoException; 68 public void fsync(FileDescriptor fd) throws ErrnoException; 69 public void ftruncate(FileDescriptor fd, long length) throws ErrnoException; 70 public String gai_strerror(int error); 71 public int getegid(); 72 public int geteuid(); 73 public int getgid(); 74 public String getenv(String name); 75 /* TODO: break into getnameinfoHost and getnameinfoService? */ 76 public String getnameinfo(InetAddress address, int flags) throws GaiException; 77 public SocketAddress getpeername(FileDescriptor fd) throws ErrnoException; 78 public int getpgid(int pid) throws ErrnoException; 79 public int getpid(); 80 public int getppid(); 81 public StructPasswd getpwnam(String name) throws ErrnoException; 82 public StructPasswd getpwuid(int uid) throws ErrnoException; 83 public SocketAddress getsockname(FileDescriptor fd) throws ErrnoException; 84 public int getsockoptByte(FileDescriptor fd, int level, int option) throws ErrnoException; 85 public InetAddress getsockoptInAddr(FileDescriptor fd, int level, int option) throws ErrnoException; 86 public int getsockoptInt(FileDescriptor fd, int level, int option) throws ErrnoException; 87 public StructLinger getsockoptLinger(FileDescriptor fd, int level, int option) throws ErrnoException; 88 public StructTimeval getsockoptTimeval(FileDescriptor fd, int level, int option) throws ErrnoException; 89 public StructUcred getsockoptUcred(FileDescriptor fd, int level, int option) throws ErrnoException; 90 public int gettid(); 91 public int getuid(); 92 public int getxattr(String path, String name, byte[] outValue) throws ErrnoException; 93 public StructIfaddrs[] getifaddrs() throws ErrnoException; 94 public String if_indextoname(int index); 95 public int if_nametoindex(String name); 96 public InetAddress inet_pton(int family, String address); 97 public int ioctlFlags(FileDescriptor fd, String interfaceName) throws ErrnoException; 98 public InetAddress ioctlInetAddress(FileDescriptor fd, int cmd, String interfaceName) throws ErrnoException; 99 public int ioctlInt(FileDescriptor fd, int cmd, MutableInt arg) throws ErrnoException; 100 public int ioctlMTU(FileDescriptor fd, String interfaceName) throws ErrnoException; 101 public boolean isatty(FileDescriptor fd); 102 public void kill(int pid, int signal) throws ErrnoException; 103 public void lchown(String path, int uid, int gid) throws ErrnoException; 104 public void link(String oldPath, String newPath) throws ErrnoException; 105 public void listen(FileDescriptor fd, int backlog) throws ErrnoException; 106 public long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException; 107 public StructStat lstat(String path) throws ErrnoException; 108 public void mincore(long address, long byteCount, byte[] vector) throws ErrnoException; 109 public void mkdir(String path, int mode) throws ErrnoException; 110 public void mkfifo(String path, int mode) throws ErrnoException; 111 public void mlock(long address, long byteCount) throws ErrnoException; 112 public long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException; 113 public void msync(long address, long byteCount, int flags) throws ErrnoException; 114 public void munlock(long address, long byteCount) throws ErrnoException; 115 public void munmap(long address, long byteCount) throws ErrnoException; 116 public FileDescriptor open(String path, int flags, int mode) throws ErrnoException; 117 public FileDescriptor[] pipe2(int flags) throws ErrnoException; 118 /* TODO: if we used the non-standard ppoll(2) behind the scenes, we could take a long timeout. */ 119 public int poll(StructPollfd[] fds, int timeoutMs) throws ErrnoException; 120 public void posix_fallocate(FileDescriptor fd, long offset, long length) throws ErrnoException; 121 public int prctl(int option, long arg2, long arg3, long arg4, long arg5) throws ErrnoException; 122 public int pread(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException; 123 public int pread(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException; 124 public int pwrite(FileDescriptor fd, ByteBuffer buffer, long offset) throws ErrnoException, InterruptedIOException; 125 public int pwrite(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, long offset) throws ErrnoException, InterruptedIOException; 126 public int read(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException; 127 public int read(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException; 128 public String readlink(String path) throws ErrnoException; 129 public String realpath(String path) throws ErrnoException; 130 public int readv(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException; 131 public int recvfrom(FileDescriptor fd, ByteBuffer buffer, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException; 132 public int recvfrom(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetSocketAddress srcAddress) throws ErrnoException, SocketException; 133 public void remove(String path) throws ErrnoException; 134 public void removexattr(String path, String name) throws ErrnoException; 135 public void rename(String oldPath, String newPath) throws ErrnoException; 136 public int sendto(FileDescriptor fd, ByteBuffer buffer, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException; 137 public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, InetAddress inetAddress, int port) throws ErrnoException, SocketException; 138 public int sendto(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount, int flags, SocketAddress address) throws ErrnoException, SocketException; 139 public long sendfile(FileDescriptor outFd, FileDescriptor inFd, MutableLong inOffset, long byteCount) throws ErrnoException; 140 public void setegid(int egid) throws ErrnoException; 141 public void setenv(String name, String value, boolean overwrite) throws ErrnoException; 142 public void seteuid(int euid) throws ErrnoException; 143 public void setgid(int gid) throws ErrnoException; 144 public void setpgid(int pid, int pgid) throws ErrnoException; 145 public void setregid(int rgid, int egid) throws ErrnoException; 146 public void setreuid(int ruid, int euid) throws ErrnoException; 147 public int setsid() throws ErrnoException; 148 public void setsockoptByte(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 149 public void setsockoptIfreq(FileDescriptor fd, int level, int option, String value) throws ErrnoException; 150 public void setsockoptInt(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 151 public void setsockoptIpMreqn(FileDescriptor fd, int level, int option, int value) throws ErrnoException; 152 public void setsockoptGroupReq(FileDescriptor fd, int level, int option, StructGroupReq value) throws ErrnoException; 153 public void setsockoptGroupSourceReq(FileDescriptor fd, int level, int option, StructGroupSourceReq value) throws ErrnoException; 154 public void setsockoptLinger(FileDescriptor fd, int level, int option, StructLinger value) throws ErrnoException; 155 public void setsockoptTimeval(FileDescriptor fd, int level, int option, StructTimeval value) throws ErrnoException; 156 public void setuid(int uid) throws ErrnoException; 157 public void setxattr(String path, String name, byte[] value, int flags) throws ErrnoException; 158 public void shutdown(FileDescriptor fd, int how) throws ErrnoException; 159 public FileDescriptor socket(int domain, int type, int protocol) throws ErrnoException; 160 public void socketpair(int domain, int type, int protocol, FileDescriptor fd1, FileDescriptor fd2) throws ErrnoException; 161 public StructStat stat(String path) throws ErrnoException; 162 public StructStatVfs statvfs(String path) throws ErrnoException; 163 public String strerror(int errno); 164 public String strsignal(int signal); 165 public void symlink(String oldPath, String newPath) throws ErrnoException; 166 public long sysconf(int name); 167 public void tcdrain(FileDescriptor fd) throws ErrnoException; 168 public void tcsendbreak(FileDescriptor fd, int duration) throws ErrnoException; 169 public int umask(int mask); 170 public StructUtsname uname(); 171 public void unlink(String pathname) throws ErrnoException; 172 public void unsetenv(String name) throws ErrnoException; 173 public int waitpid(int pid, MutableInt status, int options) throws ErrnoException; 174 public int write(FileDescriptor fd, ByteBuffer buffer) throws ErrnoException, InterruptedIOException; 175 public int write(FileDescriptor fd, byte[] bytes, int byteOffset, int byteCount) throws ErrnoException, InterruptedIOException; 176 public int writev(FileDescriptor fd, Object[] buffers, int[] offsets, int[] byteCounts) throws ErrnoException, InterruptedIOException; 177} 178