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 17 package android.system; 18 19 import android.compat.annotation.UnsupportedAppUsage; 20 21 /** 22 * Constants and helper functions for use with {@link Os}. 23 */ 24 public final class OsConstants { 25 @UnsupportedAppUsage OsConstants()26 private OsConstants() { 27 } 28 29 /** 30 * Returns the index of the element in the cap_user_data array that this capability is stored 31 * in. 32 * @hide 33 */ 34 @UnsupportedAppUsage 35 @libcore.api.CorePlatformApi CAP_TO_INDEX(int x)36 public static int CAP_TO_INDEX(int x) { return x >>> 5; } 37 38 /** 39 * Returns the mask for the given capability. This is relative to the capability's cap_user_data 40 * element, the index of which can be retrieved with CAP_TO_INDEX. 41 * @hide 42 */ 43 @UnsupportedAppUsage 44 @libcore.api.CorePlatformApi CAP_TO_MASK(int x)45 public static int CAP_TO_MASK(int x) { return 1 << (x & 31); } 46 47 /** 48 * Tests whether the given mode is a block device. 49 */ S_ISBLK(int mode)50 public static boolean S_ISBLK(int mode) { return (mode & S_IFMT) == S_IFBLK; } 51 52 /** 53 * Tests whether the given mode is a character device. 54 */ S_ISCHR(int mode)55 public static boolean S_ISCHR(int mode) { return (mode & S_IFMT) == S_IFCHR; } 56 57 /** 58 * Tests whether the given mode is a directory. 59 */ S_ISDIR(int mode)60 public static boolean S_ISDIR(int mode) { return (mode & S_IFMT) == S_IFDIR; } 61 62 /** 63 * Tests whether the given mode is a FIFO. 64 */ S_ISFIFO(int mode)65 public static boolean S_ISFIFO(int mode) { return (mode & S_IFMT) == S_IFIFO; } 66 67 /** 68 * Tests whether the given mode is a regular file. 69 */ S_ISREG(int mode)70 public static boolean S_ISREG(int mode) { return (mode & S_IFMT) == S_IFREG; } 71 72 /** 73 * Tests whether the given mode is a symbolic link. 74 */ S_ISLNK(int mode)75 public static boolean S_ISLNK(int mode) { return (mode & S_IFMT) == S_IFLNK; } 76 77 /** 78 * Tests whether the given mode is a socket. 79 */ S_ISSOCK(int mode)80 public static boolean S_ISSOCK(int mode) { return (mode & S_IFMT) == S_IFSOCK; } 81 82 /** 83 * Extracts the exit status of a child. Only valid if WIFEXITED returns true. 84 */ WEXITSTATUS(int status)85 public static int WEXITSTATUS(int status) { return (status & 0xff00) >> 8; } 86 87 /** 88 * Tests whether the child dumped core. Only valid if WIFSIGNALED returns true. 89 */ WCOREDUMP(int status)90 public static boolean WCOREDUMP(int status) { return (status & 0x80) != 0; } 91 92 /** 93 * Returns the signal that caused the child to exit. Only valid if WIFSIGNALED returns true. 94 */ WTERMSIG(int status)95 public static int WTERMSIG(int status) { return status & 0x7f; } 96 97 /** 98 * Returns the signal that cause the child to stop. Only valid if WIFSTOPPED returns true. 99 */ WSTOPSIG(int status)100 public static int WSTOPSIG(int status) { return WEXITSTATUS(status); } 101 102 /** 103 * Tests whether the child exited normally. 104 */ WIFEXITED(int status)105 public static boolean WIFEXITED(int status) { return (WTERMSIG(status) == 0); } 106 107 /** 108 * Tests whether the child was stopped (not terminated) by a signal. 109 */ WIFSTOPPED(int status)110 public static boolean WIFSTOPPED(int status) { return (WTERMSIG(status) == 0x7f); } 111 112 /** 113 * Tests whether the child was terminated by a signal. 114 */ WIFSIGNALED(int status)115 public static boolean WIFSIGNALED(int status) { return (WTERMSIG(status + 1) >= 2); } 116 117 public static final int AF_INET = placeholder(); 118 public static final int AF_INET6 = placeholder(); 119 public static final int AF_NETLINK = placeholder(); 120 public static final int AF_PACKET = placeholder(); 121 public static final int AF_UNIX = placeholder(); 122 public static final int AF_UNSPEC = placeholder(); 123 public static final int AI_ADDRCONFIG = placeholder(); 124 public static final int AI_ALL = placeholder(); 125 public static final int AI_CANONNAME = placeholder(); 126 public static final int AI_NUMERICHOST = placeholder(); 127 public static final int AI_NUMERICSERV = placeholder(); 128 public static final int AI_PASSIVE = placeholder(); 129 public static final int AI_V4MAPPED = placeholder(); 130 public static final int ARPHRD_ETHER = placeholder(); 131 /** @hide */ 132 @UnsupportedAppUsage 133 @libcore.api.CorePlatformApi 134 public static final int ARPHRD_LOOPBACK = placeholder(); 135 public static final int CAP_AUDIT_CONTROL = placeholder(); 136 public static final int CAP_AUDIT_WRITE = placeholder(); 137 public static final int CAP_BLOCK_SUSPEND = placeholder(); 138 public static final int CAP_CHOWN = placeholder(); 139 public static final int CAP_DAC_OVERRIDE = placeholder(); 140 public static final int CAP_DAC_READ_SEARCH = placeholder(); 141 public static final int CAP_FOWNER = placeholder(); 142 public static final int CAP_FSETID = placeholder(); 143 public static final int CAP_IPC_LOCK = placeholder(); 144 public static final int CAP_IPC_OWNER = placeholder(); 145 public static final int CAP_KILL = placeholder(); 146 public static final int CAP_LAST_CAP = placeholder(); 147 public static final int CAP_LEASE = placeholder(); 148 public static final int CAP_LINUX_IMMUTABLE = placeholder(); 149 public static final int CAP_MAC_ADMIN = placeholder(); 150 public static final int CAP_MAC_OVERRIDE = placeholder(); 151 public static final int CAP_MKNOD = placeholder(); 152 public static final int CAP_NET_ADMIN = placeholder(); 153 public static final int CAP_NET_BIND_SERVICE = placeholder(); 154 public static final int CAP_NET_BROADCAST = placeholder(); 155 public static final int CAP_NET_RAW = placeholder(); 156 public static final int CAP_SETFCAP = placeholder(); 157 public static final int CAP_SETGID = placeholder(); 158 public static final int CAP_SETPCAP = placeholder(); 159 public static final int CAP_SETUID = placeholder(); 160 public static final int CAP_SYS_ADMIN = placeholder(); 161 public static final int CAP_SYS_BOOT = placeholder(); 162 public static final int CAP_SYS_CHROOT = placeholder(); 163 public static final int CAP_SYSLOG = placeholder(); 164 public static final int CAP_SYS_MODULE = placeholder(); 165 public static final int CAP_SYS_NICE = placeholder(); 166 public static final int CAP_SYS_PACCT = placeholder(); 167 public static final int CAP_SYS_PTRACE = placeholder(); 168 public static final int CAP_SYS_RAWIO = placeholder(); 169 public static final int CAP_SYS_RESOURCE = placeholder(); 170 public static final int CAP_SYS_TIME = placeholder(); 171 public static final int CAP_SYS_TTY_CONFIG = placeholder(); 172 public static final int CAP_WAKE_ALARM = placeholder(); 173 public static final int E2BIG = placeholder(); 174 public static final int EACCES = placeholder(); 175 public static final int EADDRINUSE = placeholder(); 176 public static final int EADDRNOTAVAIL = placeholder(); 177 public static final int EAFNOSUPPORT = placeholder(); 178 public static final int EAGAIN = placeholder(); 179 public static final int EAI_AGAIN = placeholder(); 180 public static final int EAI_BADFLAGS = placeholder(); 181 public static final int EAI_FAIL = placeholder(); 182 public static final int EAI_FAMILY = placeholder(); 183 public static final int EAI_MEMORY = placeholder(); 184 public static final int EAI_NODATA = placeholder(); 185 public static final int EAI_NONAME = placeholder(); 186 public static final int EAI_OVERFLOW = placeholder(); 187 public static final int EAI_SERVICE = placeholder(); 188 public static final int EAI_SOCKTYPE = placeholder(); 189 public static final int EAI_SYSTEM = placeholder(); 190 public static final int EALREADY = placeholder(); 191 public static final int EBADF = placeholder(); 192 public static final int EBADMSG = placeholder(); 193 public static final int EBUSY = placeholder(); 194 public static final int ECANCELED = placeholder(); 195 public static final int ECHILD = placeholder(); 196 public static final int ECONNABORTED = placeholder(); 197 public static final int ECONNREFUSED = placeholder(); 198 public static final int ECONNRESET = placeholder(); 199 public static final int EDEADLK = placeholder(); 200 public static final int EDESTADDRREQ = placeholder(); 201 public static final int EDOM = placeholder(); 202 public static final int EDQUOT = placeholder(); 203 public static final int EEXIST = placeholder(); 204 public static final int EFAULT = placeholder(); 205 public static final int EFBIG = placeholder(); 206 public static final int EHOSTUNREACH = placeholder(); 207 public static final int EIDRM = placeholder(); 208 public static final int EILSEQ = placeholder(); 209 public static final int EINPROGRESS = placeholder(); 210 public static final int EINTR = placeholder(); 211 public static final int EINVAL = placeholder(); 212 public static final int EIO = placeholder(); 213 public static final int EISCONN = placeholder(); 214 public static final int EISDIR = placeholder(); 215 public static final int ELOOP = placeholder(); 216 public static final int EMFILE = placeholder(); 217 public static final int EMLINK = placeholder(); 218 public static final int EMSGSIZE = placeholder(); 219 public static final int EMULTIHOP = placeholder(); 220 public static final int ENAMETOOLONG = placeholder(); 221 public static final int ENETDOWN = placeholder(); 222 public static final int ENETRESET = placeholder(); 223 public static final int ENETUNREACH = placeholder(); 224 public static final int ENFILE = placeholder(); 225 public static final int ENOBUFS = placeholder(); 226 public static final int ENODATA = placeholder(); 227 public static final int ENODEV = placeholder(); 228 public static final int ENOENT = placeholder(); 229 public static final int ENOEXEC = placeholder(); 230 public static final int ENOLCK = placeholder(); 231 public static final int ENOLINK = placeholder(); 232 public static final int ENOMEM = placeholder(); 233 public static final int ENOMSG = placeholder(); 234 /** @hide */ 235 @UnsupportedAppUsage 236 @libcore.api.CorePlatformApi 237 public static final int ENONET = placeholder(); 238 public static final int ENOPROTOOPT = placeholder(); 239 public static final int ENOSPC = placeholder(); 240 public static final int ENOSR = placeholder(); 241 public static final int ENOSTR = placeholder(); 242 public static final int ENOSYS = placeholder(); 243 public static final int ENOTCONN = placeholder(); 244 public static final int ENOTDIR = placeholder(); 245 public static final int ENOTEMPTY = placeholder(); 246 public static final int ENOTSOCK = placeholder(); 247 public static final int ENOTSUP = placeholder(); 248 public static final int ENOTTY = placeholder(); 249 public static final int ENXIO = placeholder(); 250 public static final int EOPNOTSUPP = placeholder(); 251 public static final int EOVERFLOW = placeholder(); 252 public static final int EPERM = placeholder(); 253 public static final int EPIPE = placeholder(); 254 public static final int EPROTO = placeholder(); 255 public static final int EPROTONOSUPPORT = placeholder(); 256 public static final int EPROTOTYPE = placeholder(); 257 public static final int ERANGE = placeholder(); 258 public static final int EROFS = placeholder(); 259 public static final int ESPIPE = placeholder(); 260 public static final int ESRCH = placeholder(); 261 public static final int ESTALE = placeholder(); 262 public static final int ETH_P_ALL = placeholder(); 263 public static final int ETH_P_ARP = placeholder(); 264 public static final int ETH_P_IP = placeholder(); 265 public static final int ETH_P_IPV6 = placeholder(); 266 public static final int ETIME = placeholder(); 267 public static final int ETIMEDOUT = placeholder(); 268 public static final int ETXTBSY = placeholder(); 269 /** @hide */ 270 @UnsupportedAppUsage 271 @libcore.api.CorePlatformApi 272 public static final int EUSERS = placeholder(); 273 // On Linux, EWOULDBLOCK == EAGAIN. Use EAGAIN instead, to reduce confusion. 274 public static final int EXDEV = placeholder(); 275 public static final int EXIT_FAILURE = placeholder(); 276 public static final int EXIT_SUCCESS = placeholder(); 277 public static final int FD_CLOEXEC = placeholder(); 278 public static final int FIONREAD = placeholder(); 279 public static final int F_DUPFD = placeholder(); 280 public static final int F_DUPFD_CLOEXEC = placeholder(); 281 public static final int F_GETFD = placeholder(); 282 public static final int F_GETFL = placeholder(); 283 public static final int F_GETLK = placeholder(); 284 public static final int F_GETLK64 = placeholder(); 285 public static final int F_GETOWN = placeholder(); 286 public static final int F_OK = placeholder(); 287 public static final int F_RDLCK = placeholder(); 288 public static final int F_SETFD = placeholder(); 289 public static final int F_SETFL = placeholder(); 290 public static final int F_SETLK = placeholder(); 291 public static final int F_SETLK64 = placeholder(); 292 public static final int F_SETLKW = placeholder(); 293 public static final int F_SETLKW64 = placeholder(); 294 public static final int F_SETOWN = placeholder(); 295 public static final int F_UNLCK = placeholder(); 296 public static final int F_WRLCK = placeholder(); 297 public static final int ICMP_ECHO = placeholder(); 298 public static final int ICMP_ECHOREPLY = placeholder(); 299 public static final int ICMP6_ECHO_REQUEST = placeholder(); 300 public static final int ICMP6_ECHO_REPLY = placeholder(); 301 public static final int IFA_F_DADFAILED = placeholder(); 302 public static final int IFA_F_DEPRECATED = placeholder(); 303 public static final int IFA_F_HOMEADDRESS = placeholder(); 304 public static final int IFA_F_NODAD = placeholder(); 305 public static final int IFA_F_OPTIMISTIC = placeholder(); 306 public static final int IFA_F_PERMANENT = placeholder(); 307 public static final int IFA_F_SECONDARY = placeholder(); 308 public static final int IFA_F_TEMPORARY = placeholder(); 309 public static final int IFA_F_TENTATIVE = placeholder(); 310 public static final int IFF_ALLMULTI = placeholder(); 311 public static final int IFF_AUTOMEDIA = placeholder(); 312 public static final int IFF_BROADCAST = placeholder(); 313 public static final int IFF_DEBUG = placeholder(); 314 public static final int IFF_DYNAMIC = placeholder(); 315 public static final int IFF_LOOPBACK = placeholder(); 316 public static final int IFF_MASTER = placeholder(); 317 public static final int IFF_MULTICAST = placeholder(); 318 public static final int IFF_NOARP = placeholder(); 319 public static final int IFF_NOTRAILERS = placeholder(); 320 public static final int IFF_POINTOPOINT = placeholder(); 321 public static final int IFF_PORTSEL = placeholder(); 322 public static final int IFF_PROMISC = placeholder(); 323 public static final int IFF_RUNNING = placeholder(); 324 public static final int IFF_SLAVE = placeholder(); 325 public static final int IFF_UP = placeholder(); 326 public static final int IPPROTO_ICMP = placeholder(); 327 public static final int IPPROTO_ICMPV6 = placeholder(); 328 public static final int IPPROTO_IP = placeholder(); 329 public static final int IPPROTO_IPV6 = placeholder(); 330 public static final int IPPROTO_RAW = placeholder(); 331 public static final int IPPROTO_TCP = placeholder(); 332 public static final int IPPROTO_UDP = placeholder(); 333 public static final int IPV6_CHECKSUM = placeholder(); 334 public static final int IPV6_MULTICAST_HOPS = placeholder(); 335 public static final int IPV6_MULTICAST_IF = placeholder(); 336 public static final int IPV6_MULTICAST_LOOP = placeholder(); 337 public static final int IPV6_RECVDSTOPTS = placeholder(); 338 public static final int IPV6_RECVHOPLIMIT = placeholder(); 339 public static final int IPV6_RECVHOPOPTS = placeholder(); 340 public static final int IPV6_RECVPKTINFO = placeholder(); 341 public static final int IPV6_RECVRTHDR = placeholder(); 342 public static final int IPV6_RECVTCLASS = placeholder(); 343 public static final int IPV6_TCLASS = placeholder(); 344 public static final int IPV6_UNICAST_HOPS = placeholder(); 345 public static final int IPV6_V6ONLY = placeholder(); 346 /** @hide */ 347 @UnsupportedAppUsage 348 public static final int IP_MULTICAST_ALL = placeholder(); 349 public static final int IP_MULTICAST_IF = placeholder(); 350 public static final int IP_MULTICAST_LOOP = placeholder(); 351 public static final int IP_MULTICAST_TTL = placeholder(); 352 /** @hide */ 353 @UnsupportedAppUsage 354 public static final int IP_RECVTOS = placeholder(); 355 public static final int IP_TOS = placeholder(); 356 public static final int IP_TTL = placeholder(); 357 /** @hide */ 358 @UnsupportedAppUsage 359 @libcore.api.CorePlatformApi 360 public static final int _LINUX_CAPABILITY_VERSION_3 = placeholder(); 361 public static final int MAP_FIXED = placeholder(); 362 public static final int MAP_ANONYMOUS = placeholder(); 363 /** @hide */ 364 @UnsupportedAppUsage 365 @libcore.api.CorePlatformApi 366 public static final int MAP_POPULATE = placeholder(); 367 public static final int MAP_PRIVATE = placeholder(); 368 public static final int MAP_SHARED = placeholder(); 369 public static final int MCAST_JOIN_GROUP = placeholder(); 370 public static final int MCAST_LEAVE_GROUP = placeholder(); 371 public static final int MCAST_JOIN_SOURCE_GROUP = placeholder(); 372 public static final int MCAST_LEAVE_SOURCE_GROUP = placeholder(); 373 public static final int MCAST_BLOCK_SOURCE = placeholder(); 374 public static final int MCAST_UNBLOCK_SOURCE = placeholder(); 375 public static final int MCL_CURRENT = placeholder(); 376 public static final int MCL_FUTURE = placeholder(); 377 public static final int MFD_CLOEXEC = placeholder(); 378 public static final int MSG_CTRUNC = placeholder(); 379 public static final int MSG_DONTROUTE = placeholder(); 380 public static final int MSG_EOR = placeholder(); 381 public static final int MSG_OOB = placeholder(); 382 public static final int MSG_PEEK = placeholder(); 383 public static final int MSG_TRUNC = placeholder(); 384 public static final int MSG_WAITALL = placeholder(); 385 public static final int MS_ASYNC = placeholder(); 386 public static final int MS_INVALIDATE = placeholder(); 387 public static final int MS_SYNC = placeholder(); 388 public static final int NETLINK_NETFILTER = placeholder(); 389 public static final int NETLINK_ROUTE = placeholder(); 390 /** 391 * SELinux enforces that only system_server and netd may use this netlink socket type. 392 */ 393 public static final int NETLINK_INET_DIAG = placeholder(); 394 public static final int NI_DGRAM = placeholder(); 395 public static final int NI_NAMEREQD = placeholder(); 396 public static final int NI_NOFQDN = placeholder(); 397 public static final int NI_NUMERICHOST = placeholder(); 398 public static final int NI_NUMERICSERV = placeholder(); 399 public static final int O_ACCMODE = placeholder(); 400 public static final int O_APPEND = placeholder(); 401 public static final int O_CLOEXEC = placeholder(); 402 public static final int O_CREAT = placeholder(); 403 /** @hide */ 404 @UnsupportedAppUsage 405 @libcore.api.CorePlatformApi 406 public static final int O_DIRECT = placeholder(); 407 public static final int O_EXCL = placeholder(); 408 public static final int O_NOCTTY = placeholder(); 409 public static final int O_NOFOLLOW = placeholder(); 410 public static final int O_NONBLOCK = placeholder(); 411 public static final int O_RDONLY = placeholder(); 412 public static final int O_RDWR = placeholder(); 413 public static final int O_SYNC = placeholder(); 414 public static final int O_DSYNC = placeholder(); 415 public static final int O_TRUNC = placeholder(); 416 public static final int O_WRONLY = placeholder(); 417 public static final int POLLERR = placeholder(); 418 public static final int POLLHUP = placeholder(); 419 public static final int POLLIN = placeholder(); 420 public static final int POLLNVAL = placeholder(); 421 public static final int POLLOUT = placeholder(); 422 public static final int POLLPRI = placeholder(); 423 public static final int POLLRDBAND = placeholder(); 424 public static final int POLLRDNORM = placeholder(); 425 public static final int POLLWRBAND = placeholder(); 426 public static final int POLLWRNORM = placeholder(); 427 /** @hide */ 428 @UnsupportedAppUsage 429 @libcore.api.CorePlatformApi 430 public static final int PR_CAP_AMBIENT = placeholder(); 431 /** @hide */ 432 @UnsupportedAppUsage 433 @libcore.api.CorePlatformApi 434 public static final int PR_CAP_AMBIENT_RAISE = placeholder(); 435 public static final int PR_GET_DUMPABLE = placeholder(); 436 public static final int PR_SET_DUMPABLE = placeholder(); 437 public static final int PR_SET_NO_NEW_PRIVS = placeholder(); 438 public static final int PROT_EXEC = placeholder(); 439 public static final int PROT_NONE = placeholder(); 440 public static final int PROT_READ = placeholder(); 441 public static final int PROT_WRITE = placeholder(); 442 public static final int R_OK = placeholder(); 443 /** @hide */ 444 @UnsupportedAppUsage 445 @libcore.api.CorePlatformApi 446 public static final int RLIMIT_NOFILE = placeholder(); 447 public static final int RT_SCOPE_HOST = placeholder(); 448 public static final int RT_SCOPE_LINK = placeholder(); 449 public static final int RT_SCOPE_NOWHERE = placeholder(); 450 public static final int RT_SCOPE_SITE = placeholder(); 451 public static final int RT_SCOPE_UNIVERSE = placeholder(); 452 /** @hide */ 453 @UnsupportedAppUsage 454 @libcore.api.CorePlatformApi 455 public static final int RTMGRP_IPV4_IFADDR = placeholder(); 456 /** @hide */ 457 @UnsupportedAppUsage 458 public static final int RTMGRP_IPV4_MROUTE = placeholder(); 459 /** @hide */ 460 @UnsupportedAppUsage 461 public static final int RTMGRP_IPV4_ROUTE = placeholder(); 462 /** @hide */ 463 @UnsupportedAppUsage 464 public static final int RTMGRP_IPV4_RULE = placeholder(); 465 /** @hide */ 466 @UnsupportedAppUsage 467 public static final int RTMGRP_IPV6_IFADDR = placeholder(); 468 /** @hide */ 469 @UnsupportedAppUsage 470 public static final int RTMGRP_IPV6_IFINFO = placeholder(); 471 /** @hide */ 472 @UnsupportedAppUsage 473 public static final int RTMGRP_IPV6_MROUTE = placeholder(); 474 /** @hide */ 475 @UnsupportedAppUsage 476 public static final int RTMGRP_IPV6_PREFIX = placeholder(); 477 /** @hide */ 478 @UnsupportedAppUsage 479 public static final int RTMGRP_IPV6_ROUTE = placeholder(); 480 /** @hide */ 481 @UnsupportedAppUsage 482 public static final int RTMGRP_LINK = placeholder(); 483 public static final int RTMGRP_NEIGH = placeholder(); 484 /** @hide */ 485 @UnsupportedAppUsage 486 public static final int RTMGRP_NOTIFY = placeholder(); 487 /** @hide */ 488 @UnsupportedAppUsage 489 public static final int RTMGRP_TC = placeholder(); 490 public static final int SEEK_CUR = placeholder(); 491 public static final int SEEK_END = placeholder(); 492 public static final int SEEK_SET = placeholder(); 493 public static final int SHUT_RD = placeholder(); 494 public static final int SHUT_RDWR = placeholder(); 495 public static final int SHUT_WR = placeholder(); 496 public static final int SIGABRT = placeholder(); 497 public static final int SIGALRM = placeholder(); 498 public static final int SIGBUS = placeholder(); 499 public static final int SIGCHLD = placeholder(); 500 public static final int SIGCONT = placeholder(); 501 public static final int SIGFPE = placeholder(); 502 public static final int SIGHUP = placeholder(); 503 public static final int SIGILL = placeholder(); 504 public static final int SIGINT = placeholder(); 505 public static final int SIGIO = placeholder(); 506 public static final int SIGKILL = placeholder(); 507 public static final int SIGPIPE = placeholder(); 508 public static final int SIGPROF = placeholder(); 509 public static final int SIGPWR = placeholder(); 510 public static final int SIGQUIT = placeholder(); 511 public static final int SIGRTMAX = placeholder(); 512 public static final int SIGRTMIN = placeholder(); 513 public static final int SIGSEGV = placeholder(); 514 public static final int SIGSTKFLT = placeholder(); 515 public static final int SIGSTOP = placeholder(); 516 public static final int SIGSYS = placeholder(); 517 public static final int SIGTERM = placeholder(); 518 public static final int SIGTRAP = placeholder(); 519 public static final int SIGTSTP = placeholder(); 520 public static final int SIGTTIN = placeholder(); 521 public static final int SIGTTOU = placeholder(); 522 public static final int SIGURG = placeholder(); 523 public static final int SIGUSR1 = placeholder(); 524 public static final int SIGUSR2 = placeholder(); 525 public static final int SIGVTALRM = placeholder(); 526 public static final int SIGWINCH = placeholder(); 527 public static final int SIGXCPU = placeholder(); 528 public static final int SIGXFSZ = placeholder(); 529 public static final int SIOCGIFADDR = placeholder(); 530 public static final int SIOCGIFBRDADDR = placeholder(); 531 public static final int SIOCGIFDSTADDR = placeholder(); 532 public static final int SIOCGIFNETMASK = placeholder(); 533 534 /** 535 * Set the close-on-exec ({@code FD_CLOEXEC}) flag on the new file 536 * descriptor created by {@link Os#socket(int,int,int)} or 537 * {@link Os#socketpair(int,int,int,java.io.FileDescriptor,java.io.FileDescriptor)}. 538 * See the description of the O_CLOEXEC flag in 539 * <a href="http://man7.org/linux/man-pages/man2/open.2.html">open(2)</a> 540 * for reasons why this may be useful. 541 * 542 * <p>Applications wishing to make use of this flag on older API versions 543 * may use {@link #O_CLOEXEC} instead. On Android, {@code O_CLOEXEC} and 544 * {@code SOCK_CLOEXEC} are the same value. 545 */ 546 public static final int SOCK_CLOEXEC = placeholder(); 547 public static final int SOCK_DGRAM = placeholder(); 548 549 /** 550 * Set the O_NONBLOCK file status flag on the file descriptor 551 * created by {@link Os#socket(int,int,int)} or 552 * {@link Os#socketpair(int,int,int,java.io.FileDescriptor,java.io.FileDescriptor)}. 553 * 554 * <p>Applications wishing to make use of this flag on older API versions 555 * may use {@link #O_NONBLOCK} instead. On Android, {@code O_NONBLOCK} 556 * and {@code SOCK_NONBLOCK} are the same value. 557 */ 558 public static final int SOCK_NONBLOCK = placeholder(); 559 public static final int SOCK_RAW = placeholder(); 560 public static final int SOCK_SEQPACKET = placeholder(); 561 public static final int SOCK_STREAM = placeholder(); 562 public static final int SOL_SOCKET = placeholder(); 563 public static final int SO_BINDTODEVICE = placeholder(); 564 public static final int SO_BROADCAST = placeholder(); 565 public static final int SO_DEBUG = placeholder(); 566 /** @hide */ 567 @UnsupportedAppUsage 568 public static final int SO_DOMAIN = placeholder(); 569 public static final int SO_DONTROUTE = placeholder(); 570 public static final int SO_ERROR = placeholder(); 571 public static final int SO_KEEPALIVE = placeholder(); 572 public static final int SO_LINGER = placeholder(); 573 public static final int SO_OOBINLINE = placeholder(); 574 public static final int SO_PASSCRED = placeholder(); 575 public static final int SO_PEERCRED = placeholder(); 576 /** @hide */ 577 @UnsupportedAppUsage 578 public static final int SO_PROTOCOL = placeholder(); 579 public static final int SO_RCVBUF = placeholder(); 580 public static final int SO_RCVLOWAT = placeholder(); 581 public static final int SO_RCVTIMEO = placeholder(); 582 public static final int SO_REUSEADDR = placeholder(); 583 public static final int SO_SNDBUF = placeholder(); 584 public static final int SO_SNDLOWAT = placeholder(); 585 public static final int SO_SNDTIMEO = placeholder(); 586 public static final int SO_TYPE = placeholder(); 587 /** @hide */ 588 @UnsupportedAppUsage 589 @libcore.api.CorePlatformApi 590 public static final int SPLICE_F_MOVE = placeholder(); 591 /** @hide */ 592 @UnsupportedAppUsage 593 public static final int SPLICE_F_NONBLOCK = placeholder(); 594 /** @hide */ 595 @UnsupportedAppUsage 596 @libcore.api.CorePlatformApi 597 public static final int SPLICE_F_MORE = placeholder(); 598 public static final int STDERR_FILENO = placeholder(); 599 public static final int STDIN_FILENO = placeholder(); 600 public static final int STDOUT_FILENO = placeholder(); 601 public static final int ST_MANDLOCK = placeholder(); 602 public static final int ST_NOATIME = placeholder(); 603 public static final int ST_NODEV = placeholder(); 604 public static final int ST_NODIRATIME = placeholder(); 605 public static final int ST_NOEXEC = placeholder(); 606 public static final int ST_NOSUID = placeholder(); 607 public static final int ST_RDONLY = placeholder(); 608 public static final int ST_RELATIME = placeholder(); 609 public static final int ST_SYNCHRONOUS = placeholder(); 610 public static final int S_IFBLK = placeholder(); 611 public static final int S_IFCHR = placeholder(); 612 public static final int S_IFDIR = placeholder(); 613 public static final int S_IFIFO = placeholder(); 614 public static final int S_IFLNK = placeholder(); 615 public static final int S_IFMT = placeholder(); 616 public static final int S_IFREG = placeholder(); 617 public static final int S_IFSOCK = placeholder(); 618 public static final int S_IRGRP = placeholder(); 619 public static final int S_IROTH = placeholder(); 620 public static final int S_IRUSR = placeholder(); 621 public static final int S_IRWXG = placeholder(); 622 public static final int S_IRWXO = placeholder(); 623 public static final int S_IRWXU = placeholder(); 624 public static final int S_ISGID = placeholder(); 625 public static final int S_ISUID = placeholder(); 626 public static final int S_ISVTX = placeholder(); 627 public static final int S_IWGRP = placeholder(); 628 public static final int S_IWOTH = placeholder(); 629 public static final int S_IWUSR = placeholder(); 630 public static final int S_IXGRP = placeholder(); 631 public static final int S_IXOTH = placeholder(); 632 public static final int S_IXUSR = placeholder(); 633 public static final int TCP_NODELAY = placeholder(); 634 public static final int TCP_USER_TIMEOUT = placeholder(); 635 /** @hide */ 636 @UnsupportedAppUsage 637 @libcore.api.CorePlatformApi 638 public static final int TIOCOUTQ = placeholder(); 639 /** @hide */ 640 @UnsupportedAppUsage 641 @libcore.api.CorePlatformApi 642 public static final int UDP_ENCAP = placeholder(); 643 /** @hide */ 644 @UnsupportedAppUsage 645 public static final int UDP_ENCAP_ESPINUDP_NON_IKE = placeholder(); 646 /** @hide */ 647 @UnsupportedAppUsage 648 @libcore.api.CorePlatformApi 649 public static final int UDP_ENCAP_ESPINUDP = placeholder(); 650 /** @hide */ 651 @UnsupportedAppUsage 652 public static final int UNIX_PATH_MAX = placeholder(); 653 public static final int WCONTINUED = placeholder(); 654 public static final int WEXITED = placeholder(); 655 public static final int WNOHANG = placeholder(); 656 public static final int WNOWAIT = placeholder(); 657 public static final int WSTOPPED = placeholder(); 658 public static final int WUNTRACED = placeholder(); 659 public static final int W_OK = placeholder(); 660 /** @hide */ 661 @UnsupportedAppUsage 662 @libcore.api.CorePlatformApi 663 public static final int XATTR_CREATE = placeholder(); 664 /** @hide */ 665 @UnsupportedAppUsage 666 public static final int XATTR_REPLACE = placeholder(); 667 public static final int X_OK = placeholder(); 668 public static final int _SC_2_CHAR_TERM = placeholder(); 669 public static final int _SC_2_C_BIND = placeholder(); 670 public static final int _SC_2_C_DEV = placeholder(); 671 public static final int _SC_2_C_VERSION = placeholder(); 672 public static final int _SC_2_FORT_DEV = placeholder(); 673 public static final int _SC_2_FORT_RUN = placeholder(); 674 public static final int _SC_2_LOCALEDEF = placeholder(); 675 public static final int _SC_2_SW_DEV = placeholder(); 676 public static final int _SC_2_UPE = placeholder(); 677 public static final int _SC_2_VERSION = placeholder(); 678 public static final int _SC_AIO_LISTIO_MAX = placeholder(); 679 public static final int _SC_AIO_MAX = placeholder(); 680 public static final int _SC_AIO_PRIO_DELTA_MAX = placeholder(); 681 public static final int _SC_ARG_MAX = placeholder(); 682 public static final int _SC_ASYNCHRONOUS_IO = placeholder(); 683 public static final int _SC_ATEXIT_MAX = placeholder(); 684 public static final int _SC_AVPHYS_PAGES = placeholder(); 685 public static final int _SC_BC_BASE_MAX = placeholder(); 686 public static final int _SC_BC_DIM_MAX = placeholder(); 687 public static final int _SC_BC_SCALE_MAX = placeholder(); 688 public static final int _SC_BC_STRING_MAX = placeholder(); 689 public static final int _SC_CHILD_MAX = placeholder(); 690 public static final int _SC_CLK_TCK = placeholder(); 691 public static final int _SC_COLL_WEIGHTS_MAX = placeholder(); 692 public static final int _SC_DELAYTIMER_MAX = placeholder(); 693 public static final int _SC_EXPR_NEST_MAX = placeholder(); 694 public static final int _SC_FSYNC = placeholder(); 695 public static final int _SC_GETGR_R_SIZE_MAX = placeholder(); 696 public static final int _SC_GETPW_R_SIZE_MAX = placeholder(); 697 public static final int _SC_IOV_MAX = placeholder(); 698 public static final int _SC_JOB_CONTROL = placeholder(); 699 public static final int _SC_LINE_MAX = placeholder(); 700 public static final int _SC_LOGIN_NAME_MAX = placeholder(); 701 public static final int _SC_MAPPED_FILES = placeholder(); 702 public static final int _SC_MEMLOCK = placeholder(); 703 public static final int _SC_MEMLOCK_RANGE = placeholder(); 704 public static final int _SC_MEMORY_PROTECTION = placeholder(); 705 public static final int _SC_MESSAGE_PASSING = placeholder(); 706 public static final int _SC_MQ_OPEN_MAX = placeholder(); 707 public static final int _SC_MQ_PRIO_MAX = placeholder(); 708 public static final int _SC_NGROUPS_MAX = placeholder(); 709 public static final int _SC_NPROCESSORS_CONF = placeholder(); 710 public static final int _SC_NPROCESSORS_ONLN = placeholder(); 711 public static final int _SC_OPEN_MAX = placeholder(); 712 public static final int _SC_PAGESIZE = placeholder(); 713 public static final int _SC_PAGE_SIZE = placeholder(); 714 public static final int _SC_PASS_MAX = placeholder(); 715 public static final int _SC_PHYS_PAGES = placeholder(); 716 public static final int _SC_PRIORITIZED_IO = placeholder(); 717 public static final int _SC_PRIORITY_SCHEDULING = placeholder(); 718 public static final int _SC_REALTIME_SIGNALS = placeholder(); 719 public static final int _SC_RE_DUP_MAX = placeholder(); 720 public static final int _SC_RTSIG_MAX = placeholder(); 721 public static final int _SC_SAVED_IDS = placeholder(); 722 public static final int _SC_SEMAPHORES = placeholder(); 723 public static final int _SC_SEM_NSEMS_MAX = placeholder(); 724 public static final int _SC_SEM_VALUE_MAX = placeholder(); 725 public static final int _SC_SHARED_MEMORY_OBJECTS = placeholder(); 726 public static final int _SC_SIGQUEUE_MAX = placeholder(); 727 public static final int _SC_STREAM_MAX = placeholder(); 728 public static final int _SC_SYNCHRONIZED_IO = placeholder(); 729 public static final int _SC_THREADS = placeholder(); 730 public static final int _SC_THREAD_ATTR_STACKADDR = placeholder(); 731 public static final int _SC_THREAD_ATTR_STACKSIZE = placeholder(); 732 public static final int _SC_THREAD_DESTRUCTOR_ITERATIONS = placeholder(); 733 public static final int _SC_THREAD_KEYS_MAX = placeholder(); 734 public static final int _SC_THREAD_PRIORITY_SCHEDULING = placeholder(); 735 public static final int _SC_THREAD_PRIO_INHERIT = placeholder(); 736 public static final int _SC_THREAD_PRIO_PROTECT = placeholder(); 737 public static final int _SC_THREAD_SAFE_FUNCTIONS = placeholder(); 738 public static final int _SC_THREAD_STACK_MIN = placeholder(); 739 public static final int _SC_THREAD_THREADS_MAX = placeholder(); 740 public static final int _SC_TIMERS = placeholder(); 741 public static final int _SC_TIMER_MAX = placeholder(); 742 public static final int _SC_TTY_NAME_MAX = placeholder(); 743 public static final int _SC_TZNAME_MAX = placeholder(); 744 public static final int _SC_VERSION = placeholder(); 745 public static final int _SC_XBS5_ILP32_OFF32 = placeholder(); 746 public static final int _SC_XBS5_ILP32_OFFBIG = placeholder(); 747 public static final int _SC_XBS5_LP64_OFF64 = placeholder(); 748 public static final int _SC_XBS5_LPBIG_OFFBIG = placeholder(); 749 public static final int _SC_XOPEN_CRYPT = placeholder(); 750 public static final int _SC_XOPEN_ENH_I18N = placeholder(); 751 public static final int _SC_XOPEN_LEGACY = placeholder(); 752 public static final int _SC_XOPEN_REALTIME = placeholder(); 753 public static final int _SC_XOPEN_REALTIME_THREADS = placeholder(); 754 public static final int _SC_XOPEN_SHM = placeholder(); 755 public static final int _SC_XOPEN_UNIX = placeholder(); 756 public static final int _SC_XOPEN_VERSION = placeholder(); 757 public static final int _SC_XOPEN_XCU_VERSION = placeholder(); 758 759 /** 760 * Returns the string name of a getaddrinfo(3) error value. 761 * For example, "EAI_AGAIN". 762 */ gaiName(int error)763 public static String gaiName(int error) { 764 if (error == EAI_AGAIN) { 765 return "EAI_AGAIN"; 766 } 767 if (error == EAI_BADFLAGS) { 768 return "EAI_BADFLAGS"; 769 } 770 if (error == EAI_FAIL) { 771 return "EAI_FAIL"; 772 } 773 if (error == EAI_FAMILY) { 774 return "EAI_FAMILY"; 775 } 776 if (error == EAI_MEMORY) { 777 return "EAI_MEMORY"; 778 } 779 if (error == EAI_NODATA) { 780 return "EAI_NODATA"; 781 } 782 if (error == EAI_NONAME) { 783 return "EAI_NONAME"; 784 } 785 if (error == EAI_OVERFLOW) { 786 return "EAI_OVERFLOW"; 787 } 788 if (error == EAI_SERVICE) { 789 return "EAI_SERVICE"; 790 } 791 if (error == EAI_SOCKTYPE) { 792 return "EAI_SOCKTYPE"; 793 } 794 if (error == EAI_SYSTEM) { 795 return "EAI_SYSTEM"; 796 } 797 return null; 798 } 799 800 /** 801 * Returns the string name of an errno value. 802 * For example, "EACCES". See {@link Os#strerror} for human-readable errno descriptions. 803 */ errnoName(int errno)804 public static String errnoName(int errno) { 805 if (errno == E2BIG) { 806 return "E2BIG"; 807 } 808 if (errno == EACCES) { 809 return "EACCES"; 810 } 811 if (errno == EADDRINUSE) { 812 return "EADDRINUSE"; 813 } 814 if (errno == EADDRNOTAVAIL) { 815 return "EADDRNOTAVAIL"; 816 } 817 if (errno == EAFNOSUPPORT) { 818 return "EAFNOSUPPORT"; 819 } 820 if (errno == EAGAIN) { 821 return "EAGAIN"; 822 } 823 if (errno == EALREADY) { 824 return "EALREADY"; 825 } 826 if (errno == EBADF) { 827 return "EBADF"; 828 } 829 if (errno == EBADMSG) { 830 return "EBADMSG"; 831 } 832 if (errno == EBUSY) { 833 return "EBUSY"; 834 } 835 if (errno == ECANCELED) { 836 return "ECANCELED"; 837 } 838 if (errno == ECHILD) { 839 return "ECHILD"; 840 } 841 if (errno == ECONNABORTED) { 842 return "ECONNABORTED"; 843 } 844 if (errno == ECONNREFUSED) { 845 return "ECONNREFUSED"; 846 } 847 if (errno == ECONNRESET) { 848 return "ECONNRESET"; 849 } 850 if (errno == EDEADLK) { 851 return "EDEADLK"; 852 } 853 if (errno == EDESTADDRREQ) { 854 return "EDESTADDRREQ"; 855 } 856 if (errno == EDOM) { 857 return "EDOM"; 858 } 859 if (errno == EDQUOT) { 860 return "EDQUOT"; 861 } 862 if (errno == EEXIST) { 863 return "EEXIST"; 864 } 865 if (errno == EFAULT) { 866 return "EFAULT"; 867 } 868 if (errno == EFBIG) { 869 return "EFBIG"; 870 } 871 if (errno == EHOSTUNREACH) { 872 return "EHOSTUNREACH"; 873 } 874 if (errno == EIDRM) { 875 return "EIDRM"; 876 } 877 if (errno == EILSEQ) { 878 return "EILSEQ"; 879 } 880 if (errno == EINPROGRESS) { 881 return "EINPROGRESS"; 882 } 883 if (errno == EINTR) { 884 return "EINTR"; 885 } 886 if (errno == EINVAL) { 887 return "EINVAL"; 888 } 889 if (errno == EIO) { 890 return "EIO"; 891 } 892 if (errno == EISCONN) { 893 return "EISCONN"; 894 } 895 if (errno == EISDIR) { 896 return "EISDIR"; 897 } 898 if (errno == ELOOP) { 899 return "ELOOP"; 900 } 901 if (errno == EMFILE) { 902 return "EMFILE"; 903 } 904 if (errno == EMLINK) { 905 return "EMLINK"; 906 } 907 if (errno == EMSGSIZE) { 908 return "EMSGSIZE"; 909 } 910 if (errno == EMULTIHOP) { 911 return "EMULTIHOP"; 912 } 913 if (errno == ENAMETOOLONG) { 914 return "ENAMETOOLONG"; 915 } 916 if (errno == ENETDOWN) { 917 return "ENETDOWN"; 918 } 919 if (errno == ENETRESET) { 920 return "ENETRESET"; 921 } 922 if (errno == ENETUNREACH) { 923 return "ENETUNREACH"; 924 } 925 if (errno == ENFILE) { 926 return "ENFILE"; 927 } 928 if (errno == ENOBUFS) { 929 return "ENOBUFS"; 930 } 931 if (errno == ENODATA) { 932 return "ENODATA"; 933 } 934 if (errno == ENODEV) { 935 return "ENODEV"; 936 } 937 if (errno == ENOENT) { 938 return "ENOENT"; 939 } 940 if (errno == ENOEXEC) { 941 return "ENOEXEC"; 942 } 943 if (errno == ENOLCK) { 944 return "ENOLCK"; 945 } 946 if (errno == ENOLINK) { 947 return "ENOLINK"; 948 } 949 if (errno == ENOMEM) { 950 return "ENOMEM"; 951 } 952 if (errno == ENOMSG) { 953 return "ENOMSG"; 954 } 955 if (errno == ENONET) { 956 return "ENONET"; 957 } 958 if (errno == ENOPROTOOPT) { 959 return "ENOPROTOOPT"; 960 } 961 if (errno == ENOSPC) { 962 return "ENOSPC"; 963 } 964 if (errno == ENOSR) { 965 return "ENOSR"; 966 } 967 if (errno == ENOSTR) { 968 return "ENOSTR"; 969 } 970 if (errno == ENOSYS) { 971 return "ENOSYS"; 972 } 973 if (errno == ENOTCONN) { 974 return "ENOTCONN"; 975 } 976 if (errno == ENOTDIR) { 977 return "ENOTDIR"; 978 } 979 if (errno == ENOTEMPTY) { 980 return "ENOTEMPTY"; 981 } 982 if (errno == ENOTSOCK) { 983 return "ENOTSOCK"; 984 } 985 if (errno == ENOTSUP) { 986 return "ENOTSUP"; 987 } 988 if (errno == ENOTTY) { 989 return "ENOTTY"; 990 } 991 if (errno == ENXIO) { 992 return "ENXIO"; 993 } 994 if (errno == EOPNOTSUPP) { 995 return "EOPNOTSUPP"; 996 } 997 if (errno == EOVERFLOW) { 998 return "EOVERFLOW"; 999 } 1000 if (errno == EPERM) { 1001 return "EPERM"; 1002 } 1003 if (errno == EPIPE) { 1004 return "EPIPE"; 1005 } 1006 if (errno == EPROTO) { 1007 return "EPROTO"; 1008 } 1009 if (errno == EPROTONOSUPPORT) { 1010 return "EPROTONOSUPPORT"; 1011 } 1012 if (errno == EPROTOTYPE) { 1013 return "EPROTOTYPE"; 1014 } 1015 if (errno == ERANGE) { 1016 return "ERANGE"; 1017 } 1018 if (errno == EROFS) { 1019 return "EROFS"; 1020 } 1021 if (errno == ESPIPE) { 1022 return "ESPIPE"; 1023 } 1024 if (errno == ESRCH) { 1025 return "ESRCH"; 1026 } 1027 if (errno == ESTALE) { 1028 return "ESTALE"; 1029 } 1030 if (errno == ETIME) { 1031 return "ETIME"; 1032 } 1033 if (errno == ETIMEDOUT) { 1034 return "ETIMEDOUT"; 1035 } 1036 if (errno == ETXTBSY) { 1037 return "ETXTBSY"; 1038 } 1039 if (errno == EXDEV) { 1040 return "EXDEV"; 1041 } 1042 return null; 1043 } 1044 1045 @UnsupportedAppUsage initConstants()1046 private static native void initConstants(); 1047 1048 // A hack to avoid these constants being inlined by javac... 1049 @UnsupportedAppUsage placeholder()1050 private static int placeholder() { return 0; } 1051 // ...because we want to initialize them at runtime. 1052 static { initConstants()1053 initConstants(); 1054 } 1055 } 1056