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 static android.annotation.SystemApi.Client.MODULE_LIBRARIES; 20 21 import android.annotation.SystemApi; 22 import android.compat.annotation.UnsupportedAppUsage; 23 24 /** 25 * Constants and helper functions for use with {@link Os}. 26 */ 27 public final class OsConstants { 28 @UnsupportedAppUsage OsConstants()29 private OsConstants() { 30 } 31 32 /** 33 * Returns the index of the element in the {@link StructCapUserData} (cap_user_data) 34 * array that this capability is stored in. 35 * 36 * @param x capability 37 * @return index of the element in the {@link StructCapUserData} array storing this capability 38 * 39 * @hide 40 */ 41 @UnsupportedAppUsage 42 @SystemApi(client = MODULE_LIBRARIES) CAP_TO_INDEX(int x)43 public static int CAP_TO_INDEX(int x) { return x >>> 5; } 44 45 /** 46 * Returns the mask for the given capability. This is relative to the capability's 47 * {@link StructCapUserData} (cap_user_data) element, the index of which can be 48 * retrieved with {@link CAP_TO_INDEX}. 49 * 50 * @param x capability 51 * @return mask for given capability 52 * 53 * @hide 54 */ 55 @UnsupportedAppUsage 56 @SystemApi(client = MODULE_LIBRARIES) CAP_TO_MASK(int x)57 public static int CAP_TO_MASK(int x) { return 1 << (x & 31); } 58 59 /** 60 * Tests whether the given mode is a block device. 61 */ S_ISBLK(int mode)62 public static boolean S_ISBLK(int mode) { return (mode & S_IFMT) == S_IFBLK; } 63 64 /** 65 * Tests whether the given mode is a character device. 66 */ S_ISCHR(int mode)67 public static boolean S_ISCHR(int mode) { return (mode & S_IFMT) == S_IFCHR; } 68 69 /** 70 * Tests whether the given mode is a directory. 71 */ S_ISDIR(int mode)72 public static boolean S_ISDIR(int mode) { return (mode & S_IFMT) == S_IFDIR; } 73 74 /** 75 * Tests whether the given mode is a FIFO. 76 */ S_ISFIFO(int mode)77 public static boolean S_ISFIFO(int mode) { return (mode & S_IFMT) == S_IFIFO; } 78 79 /** 80 * Tests whether the given mode is a regular file. 81 */ S_ISREG(int mode)82 public static boolean S_ISREG(int mode) { return (mode & S_IFMT) == S_IFREG; } 83 84 /** 85 * Tests whether the given mode is a symbolic link. 86 */ S_ISLNK(int mode)87 public static boolean S_ISLNK(int mode) { return (mode & S_IFMT) == S_IFLNK; } 88 89 /** 90 * Tests whether the given mode is a socket. 91 */ S_ISSOCK(int mode)92 public static boolean S_ISSOCK(int mode) { return (mode & S_IFMT) == S_IFSOCK; } 93 94 /** 95 * Extracts the exit status of a child. Only valid if WIFEXITED returns true. 96 */ WEXITSTATUS(int status)97 public static int WEXITSTATUS(int status) { return (status & 0xff00) >> 8; } 98 99 /** 100 * Tests whether the child dumped core. Only valid if WIFSIGNALED returns true. 101 */ WCOREDUMP(int status)102 public static boolean WCOREDUMP(int status) { return (status & 0x80) != 0; } 103 104 /** 105 * Returns the signal that caused the child to exit. Only valid if WIFSIGNALED returns true. 106 */ WTERMSIG(int status)107 public static int WTERMSIG(int status) { return status & 0x7f; } 108 109 /** 110 * Returns the signal that cause the child to stop. Only valid if WIFSTOPPED returns true. 111 */ WSTOPSIG(int status)112 public static int WSTOPSIG(int status) { return WEXITSTATUS(status); } 113 114 /** 115 * Tests whether the child exited normally. 116 */ WIFEXITED(int status)117 public static boolean WIFEXITED(int status) { return (WTERMSIG(status) == 0); } 118 119 /** 120 * Tests whether the child was stopped (not terminated) by a signal. 121 */ WIFSTOPPED(int status)122 public static boolean WIFSTOPPED(int status) { return (WTERMSIG(status) == 0x7f); } 123 124 /** 125 * Tests whether the child was terminated by a signal. 126 */ WIFSIGNALED(int status)127 public static boolean WIFSIGNALED(int status) { return (WTERMSIG(status + 1) >= 2); } 128 129 public static final int AF_INET = placeholder(); 130 public static final int AF_INET6 = placeholder(); 131 public static final int AF_NETLINK = placeholder(); 132 public static final int AF_PACKET = placeholder(); 133 public static final int AF_UNIX = placeholder(); 134 135 /** 136 * The virt-vsock address family, linux specific. 137 * It is used with {@code struct sockaddr_vm} from uapi/linux/vm_sockets.h. 138 * 139 * @see <a href="https://man7.org/linux/man-pages/man7/vsock.7.html">vsock(7)</a> 140 * @see VmSocketAddress 141 */ 142 public static final int AF_VSOCK = placeholder(); 143 public static final int AF_UNSPEC = placeholder(); 144 public static final int AI_ADDRCONFIG = placeholder(); 145 public static final int AI_ALL = placeholder(); 146 public static final int AI_CANONNAME = placeholder(); 147 public static final int AI_NUMERICHOST = placeholder(); 148 public static final int AI_NUMERICSERV = placeholder(); 149 public static final int AI_PASSIVE = placeholder(); 150 public static final int AI_V4MAPPED = placeholder(); 151 public static final int ARPHRD_ETHER = placeholder(); 152 153 /** 154 * The virtio-vsock {@code svmPort} value to bind for any available port. 155 * 156 * @see <a href="https://man7.org/linux/man-pages/man7/vsock.7.html">vsock(7)</a> 157 * @see VmSocketAddress 158 */ 159 public static final int VMADDR_PORT_ANY = placeholder(); 160 161 /** 162 * The virtio-vsock {@code svmCid} value to listens for all CIDs. 163 * 164 * @see <a href="https://man7.org/linux/man-pages/man7/vsock.7.html">vsock(7)</a> 165 * @see VmSocketAddress 166 */ 167 public static final int VMADDR_CID_ANY = placeholder(); 168 169 /** 170 * The virtio-vsock {@code svmCid} value for host communication. 171 * 172 * @see <a href="https://man7.org/linux/man-pages/man7/vsock.7.html">vsock(7)</a> 173 * @see VmSocketAddress 174 */ 175 public static final int VMADDR_CID_LOCAL = placeholder(); 176 177 /** 178 * The virtio-vsock {@code svmCid} value for loopback communication. 179 * 180 * @see <a href="https://man7.org/linux/man-pages/man7/vsock.7.html">vsock(7)</a> 181 * @see VmSocketAddress 182 */ 183 public static final int VMADDR_CID_HOST = placeholder(); 184 185 /** 186 * ARP protocol loopback device identifier. 187 * 188 * @hide 189 */ 190 @UnsupportedAppUsage 191 @SystemApi(client = MODULE_LIBRARIES) 192 public static final int ARPHRD_LOOPBACK = placeholder(); 193 public static final int CAP_AUDIT_CONTROL = placeholder(); 194 public static final int CAP_AUDIT_WRITE = placeholder(); 195 public static final int CAP_BLOCK_SUSPEND = placeholder(); 196 public static final int CAP_CHOWN = placeholder(); 197 public static final int CAP_DAC_OVERRIDE = placeholder(); 198 public static final int CAP_DAC_READ_SEARCH = placeholder(); 199 public static final int CAP_FOWNER = placeholder(); 200 public static final int CAP_FSETID = placeholder(); 201 public static final int CAP_IPC_LOCK = placeholder(); 202 public static final int CAP_IPC_OWNER = placeholder(); 203 public static final int CAP_KILL = placeholder(); 204 public static final int CAP_LAST_CAP = placeholder(); 205 public static final int CAP_LEASE = placeholder(); 206 public static final int CAP_LINUX_IMMUTABLE = placeholder(); 207 public static final int CAP_MAC_ADMIN = placeholder(); 208 public static final int CAP_MAC_OVERRIDE = placeholder(); 209 public static final int CAP_MKNOD = placeholder(); 210 public static final int CAP_NET_ADMIN = placeholder(); 211 public static final int CAP_NET_BIND_SERVICE = placeholder(); 212 public static final int CAP_NET_BROADCAST = placeholder(); 213 public static final int CAP_NET_RAW = placeholder(); 214 public static final int CAP_SETFCAP = placeholder(); 215 public static final int CAP_SETGID = placeholder(); 216 public static final int CAP_SETPCAP = placeholder(); 217 public static final int CAP_SETUID = placeholder(); 218 public static final int CAP_SYS_ADMIN = placeholder(); 219 public static final int CAP_SYS_BOOT = placeholder(); 220 public static final int CAP_SYS_CHROOT = placeholder(); 221 public static final int CAP_SYSLOG = placeholder(); 222 public static final int CAP_SYS_MODULE = placeholder(); 223 public static final int CAP_SYS_NICE = placeholder(); 224 public static final int CAP_SYS_PACCT = placeholder(); 225 public static final int CAP_SYS_PTRACE = placeholder(); 226 public static final int CAP_SYS_RAWIO = placeholder(); 227 public static final int CAP_SYS_RESOURCE = placeholder(); 228 public static final int CAP_SYS_TIME = placeholder(); 229 public static final int CAP_SYS_TTY_CONFIG = placeholder(); 230 public static final int CAP_WAKE_ALARM = placeholder(); 231 public static final int E2BIG = placeholder(); 232 public static final int EACCES = placeholder(); 233 public static final int EADDRINUSE = placeholder(); 234 public static final int EADDRNOTAVAIL = placeholder(); 235 public static final int EAFNOSUPPORT = placeholder(); 236 public static final int EAGAIN = placeholder(); 237 public static final int EAI_AGAIN = placeholder(); 238 public static final int EAI_BADFLAGS = placeholder(); 239 public static final int EAI_FAIL = placeholder(); 240 public static final int EAI_FAMILY = placeholder(); 241 public static final int EAI_MEMORY = placeholder(); 242 public static final int EAI_NODATA = placeholder(); 243 public static final int EAI_NONAME = placeholder(); 244 public static final int EAI_OVERFLOW = placeholder(); 245 public static final int EAI_SERVICE = placeholder(); 246 public static final int EAI_SOCKTYPE = placeholder(); 247 public static final int EAI_SYSTEM = placeholder(); 248 public static final int EALREADY = placeholder(); 249 public static final int EBADF = placeholder(); 250 public static final int EBADMSG = placeholder(); 251 public static final int EBUSY = placeholder(); 252 public static final int ECANCELED = placeholder(); 253 public static final int ECHILD = placeholder(); 254 public static final int ECONNABORTED = placeholder(); 255 public static final int ECONNREFUSED = placeholder(); 256 public static final int ECONNRESET = placeholder(); 257 public static final int EDEADLK = placeholder(); 258 public static final int EDESTADDRREQ = placeholder(); 259 public static final int EDOM = placeholder(); 260 public static final int EDQUOT = placeholder(); 261 public static final int EEXIST = placeholder(); 262 public static final int EFAULT = placeholder(); 263 public static final int EFBIG = placeholder(); 264 public static final int EHOSTUNREACH = placeholder(); 265 public static final int EIDRM = placeholder(); 266 public static final int EILSEQ = placeholder(); 267 public static final int EINPROGRESS = placeholder(); 268 public static final int EINTR = placeholder(); 269 public static final int EINVAL = placeholder(); 270 public static final int EIO = placeholder(); 271 public static final int EISCONN = placeholder(); 272 public static final int EISDIR = placeholder(); 273 public static final int ELOOP = placeholder(); 274 public static final int EMFILE = placeholder(); 275 public static final int EMLINK = placeholder(); 276 public static final int EMSGSIZE = placeholder(); 277 public static final int EMULTIHOP = placeholder(); 278 public static final int ENAMETOOLONG = placeholder(); 279 public static final int ENETDOWN = placeholder(); 280 public static final int ENETRESET = placeholder(); 281 public static final int ENETUNREACH = placeholder(); 282 public static final int ENFILE = placeholder(); 283 public static final int ENOBUFS = placeholder(); 284 public static final int ENODATA = placeholder(); 285 public static final int ENODEV = placeholder(); 286 public static final int ENOENT = placeholder(); 287 public static final int ENOEXEC = placeholder(); 288 public static final int ENOLCK = placeholder(); 289 public static final int ENOLINK = placeholder(); 290 public static final int ENOMEM = placeholder(); 291 public static final int ENOMSG = placeholder(); 292 public static final int ENONET = placeholder(); 293 public static final int ENOPROTOOPT = placeholder(); 294 public static final int ENOSPC = placeholder(); 295 public static final int ENOSR = placeholder(); 296 public static final int ENOSTR = placeholder(); 297 public static final int ENOSYS = placeholder(); 298 public static final int ENOTCONN = placeholder(); 299 public static final int ENOTDIR = placeholder(); 300 public static final int ENOTEMPTY = placeholder(); 301 public static final int ENOTSOCK = placeholder(); 302 public static final int ENOTSUP = placeholder(); 303 public static final int ENOTTY = placeholder(); 304 public static final int ENXIO = placeholder(); 305 public static final int EOPNOTSUPP = placeholder(); 306 public static final int EOVERFLOW = placeholder(); 307 public static final int EPERM = placeholder(); 308 public static final int EPIPE = placeholder(); 309 public static final int EPROTO = placeholder(); 310 public static final int EPROTONOSUPPORT = placeholder(); 311 public static final int EPROTOTYPE = placeholder(); 312 public static final int ERANGE = placeholder(); 313 public static final int EROFS = placeholder(); 314 public static final int ESPIPE = placeholder(); 315 public static final int ESRCH = placeholder(); 316 public static final int ESTALE = placeholder(); 317 public static final int ETH_P_ALL = placeholder(); 318 public static final int ETH_P_ARP = placeholder(); 319 public static final int ETH_P_IP = placeholder(); 320 public static final int ETH_P_IPV6 = placeholder(); 321 public static final int ETIME = placeholder(); 322 public static final int ETIMEDOUT = placeholder(); 323 public static final int ETXTBSY = placeholder(); 324 /** 325 * "Too many users" error. 326 * See <a href="https://man7.org/linux/man-pages/man3/errno.3.html">errno(3)</a>. 327 * 328 * @hide 329 */ 330 @UnsupportedAppUsage 331 @SystemApi(client = MODULE_LIBRARIES) 332 public static final int EUSERS = placeholder(); 333 // On Linux, EWOULDBLOCK == EAGAIN. Use EAGAIN instead, to reduce confusion. 334 public static final int EXDEV = placeholder(); 335 public static final int EXIT_FAILURE = placeholder(); 336 public static final int EXIT_SUCCESS = placeholder(); 337 public static final int FD_CLOEXEC = placeholder(); 338 public static final int FIONREAD = placeholder(); 339 public static final int F_DUPFD = placeholder(); 340 public static final int F_DUPFD_CLOEXEC = placeholder(); 341 public static final int F_GETFD = placeholder(); 342 public static final int F_GETFL = placeholder(); 343 public static final int F_GETLK = placeholder(); 344 public static final int F_GETLK64 = placeholder(); 345 public static final int F_GETOWN = placeholder(); 346 public static final int F_OK = placeholder(); 347 public static final int F_RDLCK = placeholder(); 348 public static final int F_SETFD = placeholder(); 349 public static final int F_SETFL = placeholder(); 350 public static final int F_SETLK = placeholder(); 351 public static final int F_SETLK64 = placeholder(); 352 public static final int F_SETLKW = placeholder(); 353 public static final int F_SETLKW64 = placeholder(); 354 public static final int F_SETOWN = placeholder(); 355 public static final int F_UNLCK = placeholder(); 356 public static final int F_WRLCK = placeholder(); 357 public static final int ICMP_ECHO = placeholder(); 358 public static final int ICMP_ECHOREPLY = placeholder(); 359 public static final int ICMP6_ECHO_REQUEST = placeholder(); 360 public static final int ICMP6_ECHO_REPLY = placeholder(); 361 public static final int IFA_F_DADFAILED = placeholder(); 362 public static final int IFA_F_DEPRECATED = placeholder(); 363 public static final int IFA_F_HOMEADDRESS = placeholder(); 364 public static final int IFA_F_MANAGETEMPADDR = placeholder(); 365 public static final int IFA_F_NODAD = placeholder(); 366 public static final int IFA_F_NOPREFIXROUTE = placeholder(); 367 public static final int IFA_F_OPTIMISTIC = placeholder(); 368 public static final int IFA_F_PERMANENT = placeholder(); 369 public static final int IFA_F_SECONDARY = placeholder(); 370 public static final int IFA_F_TEMPORARY = placeholder(); 371 public static final int IFA_F_TENTATIVE = placeholder(); 372 public static final int IFF_ALLMULTI = placeholder(); 373 public static final int IFF_AUTOMEDIA = placeholder(); 374 public static final int IFF_BROADCAST = placeholder(); 375 public static final int IFF_DEBUG = placeholder(); 376 public static final int IFF_DYNAMIC = placeholder(); 377 public static final int IFF_LOOPBACK = placeholder(); 378 public static final int IFF_MASTER = placeholder(); 379 public static final int IFF_MULTICAST = placeholder(); 380 public static final int IFF_NOARP = placeholder(); 381 public static final int IFF_NOTRAILERS = placeholder(); 382 public static final int IFF_POINTOPOINT = placeholder(); 383 public static final int IFF_PORTSEL = placeholder(); 384 public static final int IFF_PROMISC = placeholder(); 385 public static final int IFF_RUNNING = placeholder(); 386 public static final int IFF_SLAVE = placeholder(); 387 public static final int IFF_UP = placeholder(); 388 public static final int IPPROTO_ICMP = placeholder(); 389 public static final int IPPROTO_ICMPV6 = placeholder(); 390 public static final int IPPROTO_IP = placeholder(); 391 public static final int IPPROTO_IPV6 = placeholder(); 392 public static final int IPPROTO_RAW = placeholder(); 393 public static final int IPPROTO_TCP = placeholder(); 394 public static final int IPPROTO_UDP = placeholder(); 395 396 /** 397 * Encapsulation Security Payload protocol 398 * 399 * <p>Defined in /uapi/linux/in.h 400 */ 401 public static final int IPPROTO_ESP = placeholder(); 402 403 public static final int IPV6_CHECKSUM = placeholder(); 404 public static final int IPV6_MULTICAST_HOPS = placeholder(); 405 public static final int IPV6_MULTICAST_IF = placeholder(); 406 public static final int IPV6_MULTICAST_LOOP = placeholder(); 407 public static final int IPV6_PKTINFO = placeholder(); 408 public static final int IPV6_RECVDSTOPTS = placeholder(); 409 public static final int IPV6_RECVHOPLIMIT = placeholder(); 410 public static final int IPV6_RECVHOPOPTS = placeholder(); 411 public static final int IPV6_RECVPKTINFO = placeholder(); 412 public static final int IPV6_RECVRTHDR = placeholder(); 413 public static final int IPV6_RECVTCLASS = placeholder(); 414 public static final int IPV6_TCLASS = placeholder(); 415 public static final int IPV6_UNICAST_HOPS = placeholder(); 416 public static final int IPV6_V6ONLY = placeholder(); 417 /** @hide */ 418 @UnsupportedAppUsage 419 public static final int IP_MULTICAST_ALL = placeholder(); 420 public static final int IP_MULTICAST_IF = placeholder(); 421 public static final int IP_MULTICAST_LOOP = placeholder(); 422 public static final int IP_MULTICAST_TTL = placeholder(); 423 /** @hide */ 424 @UnsupportedAppUsage 425 public static final int IP_RECVTOS = placeholder(); 426 public static final int IP_TOS = placeholder(); 427 public static final int IP_TTL = placeholder(); 428 429 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 430 public static final int MADV_NORMAL = placeholder(); 431 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 432 public static final int MADV_RANDOM = placeholder(); 433 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 434 public static final int MADV_SEQUENTIAL = placeholder(); 435 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 436 public static final int MADV_WILLNEED = placeholder(); 437 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 438 public static final int MADV_DONTNEED = placeholder(); 439 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 440 public static final int MADV_REMOVE = placeholder(); 441 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 442 public static final int MADV_DONTFORK = placeholder(); 443 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 444 public static final int MADV_DOFORK = placeholder(); 445 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 446 public static final int MADV_HWPOISON = placeholder(); 447 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 448 public static final int MADV_MERGEABLE = placeholder(); 449 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 450 public static final int MADV_UNMERGEABLE = placeholder(); 451 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 452 public static final int MADV_SOFT_OFFLINE = placeholder(); 453 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 454 public static final int MADV_HUGEPAGE = placeholder(); 455 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 456 public static final int MADV_NOHUGEPAGE = placeholder(); 457 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 458 public static final int MADV_COLLAPSE = placeholder(); 459 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 460 public static final int MADV_DONTDUMP = placeholder(); 461 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 462 public static final int MADV_DODUMP = placeholder(); 463 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 464 public static final int MADV_FREE = placeholder(); 465 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 466 public static final int MADV_WIPEONFORK = placeholder(); 467 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 468 public static final int MADV_KEEPONFORK = placeholder(); 469 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 470 public static final int MADV_COLD = placeholder(); 471 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 472 public static final int MADV_PAGEOUT = placeholder(); 473 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 474 public static final int MADV_POPULATE_READ = placeholder(); 475 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_MADVISE_API) 476 public static final int MADV_POPULATE_WRITE = placeholder(); 477 478 /** 479 * Version constant to be used in {@link StructCapUserHeader} with 480 * {@link Os#capset(StructCapUserHeader, StructCapUserData[])} and 481 * {@link Os#capget(StructCapUserHeader)}. 482 * 483 * See <a href="https://man7.org/linux/man-pages/man2/capget.2.html">capget(2)</a>. 484 * 485 * @hide 486 */ 487 @UnsupportedAppUsage 488 @SystemApi(client = MODULE_LIBRARIES) 489 public static final int _LINUX_CAPABILITY_VERSION_3 = placeholder(); 490 public static final int MAP_FIXED = placeholder(); 491 public static final int MAP_ANONYMOUS = placeholder(); 492 /** 493 * Flag argument for {@code mmap(long, long, int, int, FileDescriptor, long)}. 494 * 495 * See <a href="http://man7.org/linux/man-pages/man2/mmap.2.html">mmap(2)</a>. 496 * 497 * @hide 498 */ 499 @UnsupportedAppUsage 500 @SystemApi(client = MODULE_LIBRARIES) 501 public static final int MAP_POPULATE = placeholder(); 502 public static final int MAP_PRIVATE = placeholder(); 503 public static final int MAP_SHARED = placeholder(); 504 public static final int MCAST_JOIN_GROUP = placeholder(); 505 public static final int MCAST_LEAVE_GROUP = placeholder(); 506 public static final int MCAST_JOIN_SOURCE_GROUP = placeholder(); 507 public static final int MCAST_LEAVE_SOURCE_GROUP = placeholder(); 508 public static final int MCAST_BLOCK_SOURCE = placeholder(); 509 public static final int MCAST_UNBLOCK_SOURCE = placeholder(); 510 public static final int MCL_CURRENT = placeholder(); 511 public static final int MCL_FUTURE = placeholder(); 512 public static final int MFD_CLOEXEC = placeholder(); 513 public static final int MSG_CTRUNC = placeholder(); 514 public static final int MSG_DONTROUTE = placeholder(); 515 public static final int MSG_EOR = placeholder(); 516 public static final int MSG_OOB = placeholder(); 517 public static final int MSG_PEEK = placeholder(); 518 public static final int MSG_TRUNC = placeholder(); 519 public static final int MSG_WAITALL = placeholder(); 520 public static final int MS_ASYNC = placeholder(); 521 public static final int MS_INVALIDATE = placeholder(); 522 public static final int MS_SYNC = placeholder(); 523 public static final int NETLINK_NETFILTER = placeholder(); 524 public static final int NETLINK_ROUTE = placeholder(); 525 /** 526 * SELinux enforces that only system_server and netd may use this netlink socket type. 527 */ 528 public static final int NETLINK_INET_DIAG = placeholder(); 529 530 /** 531 * SELinux enforces that only system_server and netd may use this netlink socket type. 532 * 533 * @see <a href="https://man7.org/linux/man-pages/man7/netlink.7.html">netlink(7)</a> 534 */ 535 public static final int NETLINK_XFRM = placeholder(); 536 537 public static final int NI_DGRAM = placeholder(); 538 public static final int NI_NAMEREQD = placeholder(); 539 public static final int NI_NOFQDN = placeholder(); 540 public static final int NI_NUMERICHOST = placeholder(); 541 public static final int NI_NUMERICSERV = placeholder(); 542 public static final int O_ACCMODE = placeholder(); 543 public static final int O_APPEND = placeholder(); 544 public static final int O_CLOEXEC = placeholder(); 545 public static final int O_CREAT = placeholder(); 546 /** 547 * Flag for {@code Os#open(String, int, int)}. 548 * 549 * When enabled, tries to minimize cache effects of the I/O to and from this 550 * file. In general this will degrade performance, but it is 551 * useful in special situations, such as when applications do 552 * their own caching. File I/O is done directly to/from 553 * user-space buffers. The {@link O_DIRECT} flag on its own makes an 554 * effort to transfer data synchronously, but does not give 555 * the guarantees of the {@link O_SYNC} flag that data and necessary 556 * metadata are transferred. To guarantee synchronous I/O, 557 * {@link O_SYNC} must be used in addition to {@link O_DIRECT}. 558 * 559 * See <a href="https://man7.org/linux/man-pages/man2/open.2.html">open(2)</a>. 560 * 561 * @hide 562 */ 563 @UnsupportedAppUsage 564 @SystemApi(client = MODULE_LIBRARIES) 565 public static final int O_DIRECT = placeholder(); 566 public static final int O_EXCL = placeholder(); 567 public static final int O_NOCTTY = placeholder(); 568 public static final int O_NOFOLLOW = placeholder(); 569 public static final int O_NONBLOCK = placeholder(); 570 public static final int O_RDONLY = placeholder(); 571 public static final int O_RDWR = placeholder(); 572 public static final int O_SYNC = placeholder(); 573 public static final int O_DSYNC = placeholder(); 574 public static final int O_TRUNC = placeholder(); 575 public static final int O_WRONLY = placeholder(); 576 public static final int POLLERR = placeholder(); 577 public static final int POLLHUP = placeholder(); 578 public static final int POLLIN = placeholder(); 579 public static final int POLLNVAL = placeholder(); 580 public static final int POLLOUT = placeholder(); 581 public static final int POLLPRI = placeholder(); 582 public static final int POLLRDBAND = placeholder(); 583 public static final int POLLRDNORM = placeholder(); 584 public static final int POLLWRBAND = placeholder(); 585 public static final int POLLWRNORM = placeholder(); 586 /** 587 * Reads or changes the ambient capability set of the calling thread. 588 * Has to be used as a first argument for {@link Os#prctl(int, long, long, long, long)}. 589 * 590 * See <a href="https://man7.org/linux/man-pages/man2/prctl.2.html">prctl(2)</a>. 591 * 592 * @hide 593 */ 594 @UnsupportedAppUsage 595 @SystemApi(client = MODULE_LIBRARIES) 596 public static final int PR_CAP_AMBIENT = placeholder(); 597 /** 598 * The capability specified in {@code arg3} of {@link Os#prctl(int, long, long, long, long)} 599 * is added to the ambient set. The specified capability must already 600 * be present in both the permitted and the inheritable sets of the process. 601 * Has to be used as a second argument for {@link Os#prctl(int, long, long, long, long)}. 602 * 603 * See <a href="https://man7.org/linux/man-pages/man2/prctl.2.html">prctl(2)</a>. 604 * @hide 605 */ 606 @UnsupportedAppUsage 607 @SystemApi(client = MODULE_LIBRARIES) 608 public static final int PR_CAP_AMBIENT_RAISE = placeholder(); 609 public static final int PR_GET_DUMPABLE = placeholder(); 610 public static final int PR_SET_DUMPABLE = placeholder(); 611 public static final int PR_SET_NO_NEW_PRIVS = placeholder(); 612 public static final int PROT_EXEC = placeholder(); 613 public static final int PROT_NONE = placeholder(); 614 public static final int PROT_READ = placeholder(); 615 public static final int PROT_WRITE = placeholder(); 616 public static final int R_OK = placeholder(); 617 /** 618 * Specifies a value one greater than the maximum file 619 * descriptor number that can be opened by this process. 620 * 621 * <p>Attempts ({@link Os#open(String, int, int)}, {@link Os#pipe()}, 622 * {@link Os#dup(java.io.FileDescriptor)}, etc.) to exceed this 623 * limit yield the error {@link EMFILE}. 624 * 625 * See <a href="https://man7.org/linux/man-pages/man3/vlimit.3.html">getrlimit(2)</a>. 626 * 627 * @hide 628 */ 629 @UnsupportedAppUsage 630 @SystemApi(client = MODULE_LIBRARIES) 631 public static final int RLIMIT_NOFILE = placeholder(); 632 /** @hide */ 633 @android.annotation.FlaggedApi(com.android.libcore.Flags.FLAG_OPENJDK_21_V1_APIS) 634 @SystemApi(client = MODULE_LIBRARIES) 635 public static final int RLIMIT_RTPRIO = placeholder(); 636 public static final int RT_SCOPE_HOST = placeholder(); 637 public static final int RT_SCOPE_LINK = placeholder(); 638 public static final int RT_SCOPE_NOWHERE = placeholder(); 639 public static final int RT_SCOPE_SITE = placeholder(); 640 public static final int RT_SCOPE_UNIVERSE = placeholder(); 641 /** 642 * Bitmask for IPv4 addresses add/delete events multicast groups mask. 643 * Used in {@link NetlinkSocketAddress}. 644 * 645 * See <a href="https://man7.org/linux/man-pages/man7/netlink.7.html">netlink(7)</a>. 646 * 647 * @hide 648 */ 649 @UnsupportedAppUsage 650 @SystemApi(client = MODULE_LIBRARIES) 651 public static final int RTMGRP_IPV4_IFADDR = placeholder(); 652 /** @hide */ 653 @UnsupportedAppUsage 654 public static final int RTMGRP_IPV4_MROUTE = placeholder(); 655 /** @hide */ 656 @UnsupportedAppUsage 657 public static final int RTMGRP_IPV4_ROUTE = placeholder(); 658 /** @hide */ 659 @UnsupportedAppUsage 660 public static final int RTMGRP_IPV4_RULE = placeholder(); 661 /** @hide */ 662 @UnsupportedAppUsage 663 public static final int RTMGRP_IPV6_IFADDR = placeholder(); 664 /** @hide */ 665 @UnsupportedAppUsage 666 public static final int RTMGRP_IPV6_IFINFO = placeholder(); 667 /** @hide */ 668 @UnsupportedAppUsage 669 public static final int RTMGRP_IPV6_MROUTE = placeholder(); 670 /** @hide */ 671 @UnsupportedAppUsage 672 public static final int RTMGRP_IPV6_PREFIX = placeholder(); 673 /** @hide */ 674 @UnsupportedAppUsage 675 public static final int RTMGRP_IPV6_ROUTE = placeholder(); 676 /** @hide */ 677 @UnsupportedAppUsage 678 public static final int RTMGRP_LINK = placeholder(); 679 public static final int RTMGRP_NEIGH = placeholder(); 680 /** @hide */ 681 @UnsupportedAppUsage 682 public static final int RTMGRP_NOTIFY = placeholder(); 683 /** @hide */ 684 @UnsupportedAppUsage 685 public static final int RTMGRP_TC = placeholder(); 686 public static final int SEEK_CUR = placeholder(); 687 public static final int SEEK_END = placeholder(); 688 public static final int SEEK_SET = placeholder(); 689 public static final int SHUT_RD = placeholder(); 690 public static final int SHUT_RDWR = placeholder(); 691 public static final int SHUT_WR = placeholder(); 692 public static final int SIGABRT = placeholder(); 693 public static final int SIGALRM = placeholder(); 694 public static final int SIGBUS = placeholder(); 695 public static final int SIGCHLD = placeholder(); 696 public static final int SIGCONT = placeholder(); 697 public static final int SIGFPE = placeholder(); 698 public static final int SIGHUP = placeholder(); 699 public static final int SIGILL = placeholder(); 700 public static final int SIGINT = placeholder(); 701 public static final int SIGIO = placeholder(); 702 public static final int SIGKILL = placeholder(); 703 public static final int SIGPIPE = placeholder(); 704 public static final int SIGPROF = placeholder(); 705 public static final int SIGPWR = placeholder(); 706 public static final int SIGQUIT = placeholder(); 707 public static final int SIGRTMAX = placeholder(); 708 public static final int SIGRTMIN = placeholder(); 709 public static final int SIGSEGV = placeholder(); 710 public static final int SIGSTKFLT = placeholder(); 711 public static final int SIGSTOP = placeholder(); 712 public static final int SIGSYS = placeholder(); 713 public static final int SIGTERM = placeholder(); 714 public static final int SIGTRAP = placeholder(); 715 public static final int SIGTSTP = placeholder(); 716 public static final int SIGTTIN = placeholder(); 717 public static final int SIGTTOU = placeholder(); 718 public static final int SIGURG = placeholder(); 719 public static final int SIGUSR1 = placeholder(); 720 public static final int SIGUSR2 = placeholder(); 721 public static final int SIGVTALRM = placeholder(); 722 public static final int SIGWINCH = placeholder(); 723 public static final int SIGXCPU = placeholder(); 724 public static final int SIGXFSZ = placeholder(); 725 public static final int SIOCGIFADDR = placeholder(); 726 public static final int SIOCGIFBRDADDR = placeholder(); 727 public static final int SIOCGIFDSTADDR = placeholder(); 728 public static final int SIOCGIFNETMASK = placeholder(); 729 730 /** 731 * Set the close-on-exec ({@code FD_CLOEXEC}) flag on the new file 732 * descriptor created by {@link Os#socket(int,int,int)} or 733 * {@link Os#socketpair(int,int,int,java.io.FileDescriptor,java.io.FileDescriptor)}. 734 * See the description of the O_CLOEXEC flag in 735 * <a href="http://man7.org/linux/man-pages/man2/open.2.html">open(2)</a> 736 * for reasons why this may be useful. 737 * 738 * <p>Applications wishing to make use of this flag on older API versions 739 * may use {@link #O_CLOEXEC} instead. On Android, {@code O_CLOEXEC} and 740 * {@code SOCK_CLOEXEC} are the same value. 741 */ 742 public static final int SOCK_CLOEXEC = placeholder(); 743 public static final int SOCK_DGRAM = placeholder(); 744 745 /** 746 * Set the O_NONBLOCK file status flag on the file descriptor 747 * created by {@link Os#socket(int,int,int)} or 748 * {@link Os#socketpair(int,int,int,java.io.FileDescriptor,java.io.FileDescriptor)}. 749 * 750 * <p>Applications wishing to make use of this flag on older API versions 751 * may use {@link #O_NONBLOCK} instead. On Android, {@code O_NONBLOCK} 752 * and {@code SOCK_NONBLOCK} are the same value. 753 */ 754 public static final int SOCK_NONBLOCK = placeholder(); 755 public static final int SOCK_RAW = placeholder(); 756 public static final int SOCK_SEQPACKET = placeholder(); 757 public static final int SOCK_STREAM = placeholder(); 758 public static final int SOL_SOCKET = placeholder(); 759 public static final int SOL_UDP = placeholder(); 760 public static final int SOL_PACKET = placeholder(); 761 public static final int SO_BINDTODEVICE = placeholder(); 762 public static final int SO_BROADCAST = placeholder(); 763 public static final int SO_DEBUG = placeholder(); 764 /** @hide */ 765 @UnsupportedAppUsage 766 public static final int SO_DOMAIN = placeholder(); 767 public static final int SO_DONTROUTE = placeholder(); 768 public static final int SO_ERROR = placeholder(); 769 public static final int SO_KEEPALIVE = placeholder(); 770 public static final int SO_LINGER = placeholder(); 771 public static final int SO_OOBINLINE = placeholder(); 772 public static final int SO_PASSCRED = placeholder(); 773 public static final int SO_PEERCRED = placeholder(); 774 /** @hide */ 775 @UnsupportedAppUsage 776 public static final int SO_PROTOCOL = placeholder(); 777 public static final int SO_RCVBUF = placeholder(); 778 public static final int SO_RCVLOWAT = placeholder(); 779 public static final int SO_RCVTIMEO = placeholder(); 780 public static final int SO_REUSEADDR = placeholder(); 781 public static final int SO_SNDBUF = placeholder(); 782 public static final int SO_SNDLOWAT = placeholder(); 783 public static final int SO_SNDTIMEO = placeholder(); 784 public static final int SO_TYPE = placeholder(); 785 public static final int PACKET_IGNORE_OUTGOING = placeholder(); 786 /** 787 * Bitmask for flags argument of 788 * {@link splice(java.io.FileDescriptor, Int64Ref, FileDescriptor, Int64Ref, long, int)}. 789 * 790 * Attempt to move pages instead of copying. This is only a 791 * hint to the kernel: pages may still be copied if the 792 * kernel cannot move the pages from the pipe, or if the pipe 793 * buffers don't refer to full pages. 794 * 795 * See <a href="https://man7.org/linux/man-pages/man2/splice.2.html">splice(2)</a>. 796 * 797 * @hide 798 */ 799 @UnsupportedAppUsage 800 @SystemApi(client = MODULE_LIBRARIES) 801 public static final int SPLICE_F_MOVE = placeholder(); 802 /** @hide */ 803 @UnsupportedAppUsage 804 public static final int SPLICE_F_NONBLOCK = placeholder(); 805 /** 806 * Bitmask for flags argument of 807 * {@link splice(java.io.FileDescriptor, Int64Ref, FileDescriptor, Int64Ref, long, int)}. 808 * 809 * <p>Indicates that more data will be coming in a subsequent splice. This is 810 * a helpful hint when the {@code fdOut} refers to a socket. 811 * 812 * See <a href="https://man7.org/linux/man-pages/man2/splice.2.html">splice(2)</a>. 813 * 814 * @hide 815 */ 816 @UnsupportedAppUsage 817 @SystemApi(client = MODULE_LIBRARIES) 818 public static final int SPLICE_F_MORE = placeholder(); 819 public static final int STDERR_FILENO = placeholder(); 820 public static final int STDIN_FILENO = placeholder(); 821 public static final int STDOUT_FILENO = placeholder(); 822 public static final int ST_MANDLOCK = placeholder(); 823 public static final int ST_NOATIME = placeholder(); 824 public static final int ST_NODEV = placeholder(); 825 public static final int ST_NODIRATIME = placeholder(); 826 public static final int ST_NOEXEC = placeholder(); 827 public static final int ST_NOSUID = placeholder(); 828 public static final int ST_RDONLY = placeholder(); 829 public static final int ST_RELATIME = placeholder(); 830 public static final int ST_SYNCHRONOUS = placeholder(); 831 public static final int S_IFBLK = placeholder(); 832 public static final int S_IFCHR = placeholder(); 833 public static final int S_IFDIR = placeholder(); 834 public static final int S_IFIFO = placeholder(); 835 public static final int S_IFLNK = placeholder(); 836 public static final int S_IFMT = placeholder(); 837 public static final int S_IFREG = placeholder(); 838 public static final int S_IFSOCK = placeholder(); 839 public static final int S_IRGRP = placeholder(); 840 public static final int S_IROTH = placeholder(); 841 public static final int S_IRUSR = placeholder(); 842 public static final int S_IRWXG = placeholder(); 843 public static final int S_IRWXO = placeholder(); 844 public static final int S_IRWXU = placeholder(); 845 public static final int S_ISGID = placeholder(); 846 public static final int S_ISUID = placeholder(); 847 public static final int S_ISVTX = placeholder(); 848 public static final int S_IWGRP = placeholder(); 849 public static final int S_IWOTH = placeholder(); 850 public static final int S_IWUSR = placeholder(); 851 public static final int S_IXGRP = placeholder(); 852 public static final int S_IXOTH = placeholder(); 853 public static final int S_IXUSR = placeholder(); 854 public static final int TCP_NODELAY = placeholder(); 855 public static final int TCP_USER_TIMEOUT = placeholder(); 856 public static final int UDP_GRO = placeholder(); 857 public static final int UDP_SEGMENT = placeholder(); 858 /** 859 * Get the number of bytes in the output buffer. 860 * 861 * See <a href="https://man7.org/linux/man-pages/man2/ioctl.2.html">ioctl(2)</a>. 862 * 863 * @hide 864 */ 865 @UnsupportedAppUsage 866 @SystemApi(client = MODULE_LIBRARIES) 867 public static final int TIOCOUTQ = placeholder(); 868 /** 869 * Sockopt option to encapsulate ESP packets in UDP. 870 * 871 * @hide 872 */ 873 @UnsupportedAppUsage 874 @SystemApi(client = MODULE_LIBRARIES) 875 public static final int UDP_ENCAP = placeholder(); 876 /** @hide */ 877 @UnsupportedAppUsage 878 public static final int UDP_ENCAP_ESPINUDP_NON_IKE = placeholder(); 879 /** @hide */ 880 @UnsupportedAppUsage 881 @SystemApi(client = MODULE_LIBRARIES) 882 public static final int UDP_ENCAP_ESPINUDP = placeholder(); 883 /** @hide */ 884 @UnsupportedAppUsage 885 public static final int UNIX_PATH_MAX = placeholder(); 886 public static final int WCONTINUED = placeholder(); 887 public static final int WEXITED = placeholder(); 888 public static final int WNOHANG = placeholder(); 889 public static final int WNOWAIT = placeholder(); 890 public static final int WSTOPPED = placeholder(); 891 public static final int WUNTRACED = placeholder(); 892 public static final int W_OK = placeholder(); 893 /** 894 * {@code flags} option for {@link Os#setxattr(String, String, byte[], int)}. 895 * 896 * <p>Performs a pure create, which fails if the named attribute exists already. 897 * 898 * See <a href="http://man7.org/linux/man-pages/man2/setxattr.2.html">setxattr(2)</a>. 899 * 900 * @hide 901 */ 902 @UnsupportedAppUsage 903 @SystemApi(client = MODULE_LIBRARIES) 904 public static final int XATTR_CREATE = placeholder(); 905 /** 906 * {@code flags} option for {@link Os#setxattr(String, String, byte[], int)}. 907 * 908 * <p>Perform a pure replace operation, which fails if the named attribute 909 * does not already exist. 910 * 911 * See <a href="http://man7.org/linux/man-pages/man2/setxattr.2.html">setxattr(2)</a>. 912 * 913 * @hide 914 */ 915 @UnsupportedAppUsage 916 @SystemApi(client = MODULE_LIBRARIES) 917 public static final int XATTR_REPLACE = placeholder(); 918 public static final int X_OK = placeholder(); 919 public static final int _SC_2_CHAR_TERM = placeholder(); 920 public static final int _SC_2_C_BIND = placeholder(); 921 public static final int _SC_2_C_DEV = placeholder(); 922 public static final int _SC_2_C_VERSION = placeholder(); 923 public static final int _SC_2_FORT_DEV = placeholder(); 924 public static final int _SC_2_FORT_RUN = placeholder(); 925 public static final int _SC_2_LOCALEDEF = placeholder(); 926 public static final int _SC_2_SW_DEV = placeholder(); 927 public static final int _SC_2_UPE = placeholder(); 928 public static final int _SC_2_VERSION = placeholder(); 929 public static final int _SC_AIO_LISTIO_MAX = placeholder(); 930 public static final int _SC_AIO_MAX = placeholder(); 931 public static final int _SC_AIO_PRIO_DELTA_MAX = placeholder(); 932 public static final int _SC_ARG_MAX = placeholder(); 933 public static final int _SC_ASYNCHRONOUS_IO = placeholder(); 934 public static final int _SC_ATEXIT_MAX = placeholder(); 935 public static final int _SC_AVPHYS_PAGES = placeholder(); 936 public static final int _SC_BC_BASE_MAX = placeholder(); 937 public static final int _SC_BC_DIM_MAX = placeholder(); 938 public static final int _SC_BC_SCALE_MAX = placeholder(); 939 public static final int _SC_BC_STRING_MAX = placeholder(); 940 public static final int _SC_CHILD_MAX = placeholder(); 941 public static final int _SC_CLK_TCK = placeholder(); 942 public static final int _SC_COLL_WEIGHTS_MAX = placeholder(); 943 public static final int _SC_DELAYTIMER_MAX = placeholder(); 944 public static final int _SC_EXPR_NEST_MAX = placeholder(); 945 public static final int _SC_FSYNC = placeholder(); 946 public static final int _SC_GETGR_R_SIZE_MAX = placeholder(); 947 public static final int _SC_GETPW_R_SIZE_MAX = placeholder(); 948 public static final int _SC_IOV_MAX = placeholder(); 949 public static final int _SC_JOB_CONTROL = placeholder(); 950 public static final int _SC_LINE_MAX = placeholder(); 951 public static final int _SC_LOGIN_NAME_MAX = placeholder(); 952 public static final int _SC_MAPPED_FILES = placeholder(); 953 public static final int _SC_MEMLOCK = placeholder(); 954 public static final int _SC_MEMLOCK_RANGE = placeholder(); 955 public static final int _SC_MEMORY_PROTECTION = placeholder(); 956 public static final int _SC_MESSAGE_PASSING = placeholder(); 957 public static final int _SC_MQ_OPEN_MAX = placeholder(); 958 public static final int _SC_MQ_PRIO_MAX = placeholder(); 959 public static final int _SC_NGROUPS_MAX = placeholder(); 960 public static final int _SC_NPROCESSORS_CONF = placeholder(); 961 public static final int _SC_NPROCESSORS_ONLN = placeholder(); 962 public static final int _SC_OPEN_MAX = placeholder(); 963 public static final int _SC_PAGESIZE = placeholder(); 964 public static final int _SC_PAGE_SIZE = placeholder(); 965 public static final int _SC_PASS_MAX = placeholder(); 966 public static final int _SC_PHYS_PAGES = placeholder(); 967 public static final int _SC_PRIORITIZED_IO = placeholder(); 968 public static final int _SC_PRIORITY_SCHEDULING = placeholder(); 969 public static final int _SC_REALTIME_SIGNALS = placeholder(); 970 public static final int _SC_RE_DUP_MAX = placeholder(); 971 public static final int _SC_RTSIG_MAX = placeholder(); 972 public static final int _SC_SAVED_IDS = placeholder(); 973 public static final int _SC_SEMAPHORES = placeholder(); 974 public static final int _SC_SEM_NSEMS_MAX = placeholder(); 975 public static final int _SC_SEM_VALUE_MAX = placeholder(); 976 public static final int _SC_SHARED_MEMORY_OBJECTS = placeholder(); 977 public static final int _SC_SIGQUEUE_MAX = placeholder(); 978 public static final int _SC_STREAM_MAX = placeholder(); 979 public static final int _SC_SYNCHRONIZED_IO = placeholder(); 980 public static final int _SC_THREADS = placeholder(); 981 public static final int _SC_THREAD_ATTR_STACKADDR = placeholder(); 982 public static final int _SC_THREAD_ATTR_STACKSIZE = placeholder(); 983 public static final int _SC_THREAD_DESTRUCTOR_ITERATIONS = placeholder(); 984 public static final int _SC_THREAD_KEYS_MAX = placeholder(); 985 public static final int _SC_THREAD_PRIORITY_SCHEDULING = placeholder(); 986 public static final int _SC_THREAD_PRIO_INHERIT = placeholder(); 987 public static final int _SC_THREAD_PRIO_PROTECT = placeholder(); 988 public static final int _SC_THREAD_SAFE_FUNCTIONS = placeholder(); 989 public static final int _SC_THREAD_STACK_MIN = placeholder(); 990 public static final int _SC_THREAD_THREADS_MAX = placeholder(); 991 public static final int _SC_TIMERS = placeholder(); 992 public static final int _SC_TIMER_MAX = placeholder(); 993 public static final int _SC_TTY_NAME_MAX = placeholder(); 994 public static final int _SC_TZNAME_MAX = placeholder(); 995 public static final int _SC_VERSION = placeholder(); 996 public static final int _SC_XBS5_ILP32_OFF32 = placeholder(); 997 public static final int _SC_XBS5_ILP32_OFFBIG = placeholder(); 998 public static final int _SC_XBS5_LP64_OFF64 = placeholder(); 999 public static final int _SC_XBS5_LPBIG_OFFBIG = placeholder(); 1000 public static final int _SC_XOPEN_CRYPT = placeholder(); 1001 public static final int _SC_XOPEN_ENH_I18N = placeholder(); 1002 public static final int _SC_XOPEN_LEGACY = placeholder(); 1003 public static final int _SC_XOPEN_REALTIME = placeholder(); 1004 public static final int _SC_XOPEN_REALTIME_THREADS = placeholder(); 1005 public static final int _SC_XOPEN_SHM = placeholder(); 1006 public static final int _SC_XOPEN_UNIX = placeholder(); 1007 public static final int _SC_XOPEN_VERSION = placeholder(); 1008 public static final int _SC_XOPEN_XCU_VERSION = placeholder(); 1009 1010 /** 1011 * Returns the string name of a getaddrinfo(3) error value. 1012 * For example, "EAI_AGAIN". 1013 */ gaiName(int error)1014 public static String gaiName(int error) { 1015 if (error == EAI_AGAIN) { 1016 return "EAI_AGAIN"; 1017 } 1018 if (error == EAI_BADFLAGS) { 1019 return "EAI_BADFLAGS"; 1020 } 1021 if (error == EAI_FAIL) { 1022 return "EAI_FAIL"; 1023 } 1024 if (error == EAI_FAMILY) { 1025 return "EAI_FAMILY"; 1026 } 1027 if (error == EAI_MEMORY) { 1028 return "EAI_MEMORY"; 1029 } 1030 if (error == EAI_NODATA) { 1031 return "EAI_NODATA"; 1032 } 1033 if (error == EAI_NONAME) { 1034 return "EAI_NONAME"; 1035 } 1036 if (error == EAI_OVERFLOW) { 1037 return "EAI_OVERFLOW"; 1038 } 1039 if (error == EAI_SERVICE) { 1040 return "EAI_SERVICE"; 1041 } 1042 if (error == EAI_SOCKTYPE) { 1043 return "EAI_SOCKTYPE"; 1044 } 1045 if (error == EAI_SYSTEM) { 1046 return "EAI_SYSTEM"; 1047 } 1048 return null; 1049 } 1050 1051 /** 1052 * Returns the string name of an errno value. 1053 * For example, "EACCES". See {@link Os#strerror} for human-readable errno descriptions. 1054 */ errnoName(int errno)1055 public static String errnoName(int errno) { 1056 if (errno == E2BIG) { 1057 return "E2BIG"; 1058 } 1059 if (errno == EACCES) { 1060 return "EACCES"; 1061 } 1062 if (errno == EADDRINUSE) { 1063 return "EADDRINUSE"; 1064 } 1065 if (errno == EADDRNOTAVAIL) { 1066 return "EADDRNOTAVAIL"; 1067 } 1068 if (errno == EAFNOSUPPORT) { 1069 return "EAFNOSUPPORT"; 1070 } 1071 if (errno == EAGAIN) { 1072 return "EAGAIN"; 1073 } 1074 if (errno == EALREADY) { 1075 return "EALREADY"; 1076 } 1077 if (errno == EBADF) { 1078 return "EBADF"; 1079 } 1080 if (errno == EBADMSG) { 1081 return "EBADMSG"; 1082 } 1083 if (errno == EBUSY) { 1084 return "EBUSY"; 1085 } 1086 if (errno == ECANCELED) { 1087 return "ECANCELED"; 1088 } 1089 if (errno == ECHILD) { 1090 return "ECHILD"; 1091 } 1092 if (errno == ECONNABORTED) { 1093 return "ECONNABORTED"; 1094 } 1095 if (errno == ECONNREFUSED) { 1096 return "ECONNREFUSED"; 1097 } 1098 if (errno == ECONNRESET) { 1099 return "ECONNRESET"; 1100 } 1101 if (errno == EDEADLK) { 1102 return "EDEADLK"; 1103 } 1104 if (errno == EDESTADDRREQ) { 1105 return "EDESTADDRREQ"; 1106 } 1107 if (errno == EDOM) { 1108 return "EDOM"; 1109 } 1110 if (errno == EDQUOT) { 1111 return "EDQUOT"; 1112 } 1113 if (errno == EEXIST) { 1114 return "EEXIST"; 1115 } 1116 if (errno == EFAULT) { 1117 return "EFAULT"; 1118 } 1119 if (errno == EFBIG) { 1120 return "EFBIG"; 1121 } 1122 if (errno == EHOSTUNREACH) { 1123 return "EHOSTUNREACH"; 1124 } 1125 if (errno == EIDRM) { 1126 return "EIDRM"; 1127 } 1128 if (errno == EILSEQ) { 1129 return "EILSEQ"; 1130 } 1131 if (errno == EINPROGRESS) { 1132 return "EINPROGRESS"; 1133 } 1134 if (errno == EINTR) { 1135 return "EINTR"; 1136 } 1137 if (errno == EINVAL) { 1138 return "EINVAL"; 1139 } 1140 if (errno == EIO) { 1141 return "EIO"; 1142 } 1143 if (errno == EISCONN) { 1144 return "EISCONN"; 1145 } 1146 if (errno == EISDIR) { 1147 return "EISDIR"; 1148 } 1149 if (errno == ELOOP) { 1150 return "ELOOP"; 1151 } 1152 if (errno == EMFILE) { 1153 return "EMFILE"; 1154 } 1155 if (errno == EMLINK) { 1156 return "EMLINK"; 1157 } 1158 if (errno == EMSGSIZE) { 1159 return "EMSGSIZE"; 1160 } 1161 if (errno == EMULTIHOP) { 1162 return "EMULTIHOP"; 1163 } 1164 if (errno == ENAMETOOLONG) { 1165 return "ENAMETOOLONG"; 1166 } 1167 if (errno == ENETDOWN) { 1168 return "ENETDOWN"; 1169 } 1170 if (errno == ENETRESET) { 1171 return "ENETRESET"; 1172 } 1173 if (errno == ENETUNREACH) { 1174 return "ENETUNREACH"; 1175 } 1176 if (errno == ENFILE) { 1177 return "ENFILE"; 1178 } 1179 if (errno == ENOBUFS) { 1180 return "ENOBUFS"; 1181 } 1182 if (errno == ENODATA) { 1183 return "ENODATA"; 1184 } 1185 if (errno == ENODEV) { 1186 return "ENODEV"; 1187 } 1188 if (errno == ENOENT) { 1189 return "ENOENT"; 1190 } 1191 if (errno == ENOEXEC) { 1192 return "ENOEXEC"; 1193 } 1194 if (errno == ENOLCK) { 1195 return "ENOLCK"; 1196 } 1197 if (errno == ENOLINK) { 1198 return "ENOLINK"; 1199 } 1200 if (errno == ENOMEM) { 1201 return "ENOMEM"; 1202 } 1203 if (errno == ENOMSG) { 1204 return "ENOMSG"; 1205 } 1206 if (errno == ENONET) { 1207 return "ENONET"; 1208 } 1209 if (errno == ENOPROTOOPT) { 1210 return "ENOPROTOOPT"; 1211 } 1212 if (errno == ENOSPC) { 1213 return "ENOSPC"; 1214 } 1215 if (errno == ENOSR) { 1216 return "ENOSR"; 1217 } 1218 if (errno == ENOSTR) { 1219 return "ENOSTR"; 1220 } 1221 if (errno == ENOSYS) { 1222 return "ENOSYS"; 1223 } 1224 if (errno == ENOTCONN) { 1225 return "ENOTCONN"; 1226 } 1227 if (errno == ENOTDIR) { 1228 return "ENOTDIR"; 1229 } 1230 if (errno == ENOTEMPTY) { 1231 return "ENOTEMPTY"; 1232 } 1233 if (errno == ENOTSOCK) { 1234 return "ENOTSOCK"; 1235 } 1236 if (errno == ENOTSUP) { 1237 return "ENOTSUP"; 1238 } 1239 if (errno == ENOTTY) { 1240 return "ENOTTY"; 1241 } 1242 if (errno == ENXIO) { 1243 return "ENXIO"; 1244 } 1245 if (errno == EOPNOTSUPP) { 1246 return "EOPNOTSUPP"; 1247 } 1248 if (errno == EOVERFLOW) { 1249 return "EOVERFLOW"; 1250 } 1251 if (errno == EPERM) { 1252 return "EPERM"; 1253 } 1254 if (errno == EPIPE) { 1255 return "EPIPE"; 1256 } 1257 if (errno == EPROTO) { 1258 return "EPROTO"; 1259 } 1260 if (errno == EPROTONOSUPPORT) { 1261 return "EPROTONOSUPPORT"; 1262 } 1263 if (errno == EPROTOTYPE) { 1264 return "EPROTOTYPE"; 1265 } 1266 if (errno == ERANGE) { 1267 return "ERANGE"; 1268 } 1269 if (errno == EROFS) { 1270 return "EROFS"; 1271 } 1272 if (errno == ESPIPE) { 1273 return "ESPIPE"; 1274 } 1275 if (errno == ESRCH) { 1276 return "ESRCH"; 1277 } 1278 if (errno == ESTALE) { 1279 return "ESTALE"; 1280 } 1281 if (errno == ETIME) { 1282 return "ETIME"; 1283 } 1284 if (errno == ETIMEDOUT) { 1285 return "ETIMEDOUT"; 1286 } 1287 if (errno == ETXTBSY) { 1288 return "ETXTBSY"; 1289 } 1290 if (errno == EXDEV) { 1291 return "EXDEV"; 1292 } 1293 return null; 1294 } 1295 1296 @UnsupportedAppUsage initConstants()1297 private static native void initConstants(); 1298 1299 // A hack to avoid these constants being inlined by javac... 1300 @UnsupportedAppUsage placeholder()1301 private static int placeholder() { return 0; } 1302 // ...because we want to initialize them at runtime. 1303 static { initConstants()1304 initConstants(); 1305 } 1306 } 1307