vendor/golang.org/x/sys/unix/syscall_netbsd.go

   1 // Copyright 2009,2010 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // NetBSD system calls.
   6 // This file is compiled as ordinary Go code,
   7 // but it is also input to mksyscall,
   8 // which parses the //sys lines and generates system call stubs.
   9 // Note that sometimes we use a lowercase //sys name and wrap
  10 // it in our own nicer implementation, either here or in
  11 // syscall_bsd.go or syscall_unix.go.
  12
  13 package unix
  14
  15 import (
  16         "runtime"
  17         "syscall"
  18         "unsafe"
  19 )
  20
  21 // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
  22 type SockaddrDatalink struct {
  23         Len    uint8
  24         Family uint8
  25         Index  uint16
  26         Type   uint8
  27         Nlen   uint8
  28         Alen   uint8
  29         Slen   uint8
  30         Data   [12]int8
  31         raw    RawSockaddrDatalink
  32 }
  33
  34 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
  35
  36 func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
  37         var olen uintptr
  38
  39         // Get a list of all sysctl nodes below the given MIB by performing
  40         // a sysctl for the given MIB with CTL_QUERY appended.
  41         mib = append(mib, CTL_QUERY)
  42         qnode := Sysctlnode{Flags: SYSCTL_VERS_1}
  43         qp := (*byte)(unsafe.Pointer(&qnode))
  44         sz := unsafe.Sizeof(qnode)
  45         if err = sysctl(mib, nil, &olen, qp, sz); err != nil {
  46                 return nil, err
  47         }
  48
  49         // Now that we know the size, get the actual nodes.
  50         nodes = make([]Sysctlnode, olen/sz)
  51         np := (*byte)(unsafe.Pointer(&nodes[0]))
  52         if err = sysctl(mib, np, &olen, qp, sz); err != nil {
  53                 return nil, err
  54         }
  55
  56         return nodes, nil
  57 }
  58
  59 func nametomib(name string) (mib []_C_int, err error) {
  60         // Split name into components.
  61         var parts []string
  62         last := 0
  63         for i := 0; i < len(name); i++ {
  64                 if name[i] == '.' {
  65                         parts = append(parts, name[last:i])
  66                         last = i + 1
  67                 }
  68         }
  69         parts = append(parts, name[last:])
  70
  71         // Discover the nodes and construct the MIB OID.
  72         for partno, part := range parts {
  73                 nodes, err := sysctlNodes(mib)
  74                 if err != nil {
  75                         return nil, err
  76                 }
  77                 for _, node := range nodes {
  78                         n := make([]byte, 0)
  79                         for i := range node.Name {
  80                                 if node.Name[i] != 0 {
  81                                         n = append(n, byte(node.Name[i]))
  82                                 }
  83                         }
  84                         if string(n) == part {
  85                                 mib = append(mib, _C_int(node.Num))
  86                                 break
  87                         }
  88                 }
  89                 if len(mib) != partno+1 {
  90                         return nil, EINVAL
  91                 }
  92         }
  93
  94         return mib, nil
  95 }
  96
  97 func SysctlClockinfo(name string) (*Clockinfo, error) {
  98         mib, err := sysctlmib(name)
  99         if err != nil {
 100                 return nil, err
 101         }
 102
 103         n := uintptr(SizeofClockinfo)
 104         var ci Clockinfo
 105         if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
 106                 return nil, err
 107         }
 108         if n != SizeofClockinfo {
 109                 return nil, EIO
 110         }
 111         return &ci, nil
 112 }
 113
 114 //sysnb pipe() (fd1 int, fd2 int, err error)
 115 func Pipe(p []int) (err error) {
 116         if len(p) != 2 {
 117                 return EINVAL
 118         }
 119         p[0], p[1], err = pipe()
 120         return
 121 }
 122
 123 //sys getdents(fd int, buf []byte) (n int, err error)
 124 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 125         return getdents(fd, buf)
 126 }
 127
 128 const ImplementsGetwd = true
 129
 130 //sys   Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
 131
 132 func Getwd() (string, error) {
 133         var buf [PathMax]byte
 134         _, err := Getcwd(buf[0:])
 135         if err != nil {
 136                 return "", err
 137         }
 138         n := clen(buf[:])
 139         if n < 1 {
 140                 return "", EINVAL
 141         }
 142         return string(buf[:n]), nil
 143 }
 144
 145 // TODO
 146 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 147         return -1, ENOSYS
 148 }
 149
 150 func setattrlistTimes(path string, times []Timespec, flags int) error {
 151         // used on Darwin for UtimesNano
 152         return ENOSYS
 153 }
 154
 155 //sys   ioctl(fd int, req uint, arg uintptr) (err error)
 156
 157 // ioctl itself should not be exposed directly, but additional get/set
 158 // functions for specific types are permissible.
 159
 160 // IoctlSetInt performs an ioctl operation which sets an integer value
 161 // on fd, using the specified request number.
 162 func IoctlSetInt(fd int, req uint, value int) error {
 163         return ioctl(fd, req, uintptr(value))
 164 }
 165
 166 func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 167         return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 168 }
 169
 170 func ioctlSetTermios(fd int, req uint, value *Termios) error {
 171         return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 172 }
 173
 174 // IoctlGetInt performs an ioctl operation which gets an integer value
 175 // from fd, using the specified request number.
 176 func IoctlGetInt(fd int, req uint) (int, error) {
 177         var value int
 178         err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
 179         return value, err
 180 }
 181
 182 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
 183         var value Winsize
 184         err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
 185         return &value, err
 186 }
 187
 188 func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 189         var value Termios
 190         err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
 191         return &value, err
 192 }
 193
 194 func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) {
 195         var value Ptmget
 196         err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
 197         runtime.KeepAlive(value)
 198         return &value, err
 199 }
 200
 201 func Uname(uname *Utsname) error {
 202         mib := []_C_int{CTL_KERN, KERN_OSTYPE}
 203         n := unsafe.Sizeof(uname.Sysname)
 204         if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
 205                 return err
 206         }
 207
 208         mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
 209         n = unsafe.Sizeof(uname.Nodename)
 210         if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
 211                 return err
 212         }
 213
 214         mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
 215         n = unsafe.Sizeof(uname.Release)
 216         if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
 217                 return err
 218         }
 219
 220         mib = []_C_int{CTL_KERN, KERN_VERSION}
 221         n = unsafe.Sizeof(uname.Version)
 222         if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
 223                 return err
 224         }
 225
 226         // The version might have newlines or tabs in it, convert them to
 227         // spaces.
 228         for i, b := range uname.Version {
 229                 if b == '\n' || b == '\t' {
 230                         if i == len(uname.Version)-1 {
 231                                 uname.Version[i] = 0
 232                         } else {
 233                                 uname.Version[i] = ' '
 234                         }
 235                 }
 236         }
 237
 238         mib = []_C_int{CTL_HW, HW_MACHINE}
 239         n = unsafe.Sizeof(uname.Machine)
 240         if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
 241                 return err
 242         }
 243
 244         return nil
 245 }
 246
 247 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 248         if raceenabled {
 249                 raceReleaseMerge(unsafe.Pointer(&ioSync))
 250         }
 251         return sendfile(outfd, infd, offset, count)
 252 }
 253
 254 /*
 255  * Exposed directly
 256  */
 257 //sys   Access(path string, mode uint32) (err error)
 258 //sys   Adjtime(delta *Timeval, olddelta *Timeval) (err error)
 259 //sys   Chdir(path string) (err error)
 260 //sys   Chflags(path string, flags int) (err error)
 261 //sys   Chmod(path string, mode uint32) (err error)
 262 //sys   Chown(path string, uid int, gid int) (err error)
 263 //sys   Chroot(path string) (err error)
 264 //sys   Close(fd int) (err error)
 265 //sys   Dup(fd int) (nfd int, err error)
 266 //sys   Dup2(from int, to int) (err error)
 267 //sys   Exit(code int)
 268 //sys   ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 269 //sys   ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 270 //sys   ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error)
 271 //sys   ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
 272 //sys   ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 273 //sys   ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 274 //sys   ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error)
 275 //sys   ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
 276 //sys   ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 277 //sys   ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
 278 //sys   ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
 279 //sys   ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
 280 //sys   Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
 281 //sys   Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
 282 //sys   Fchdir(fd int) (err error)
 283 //sys   Fchflags(fd int, flags int) (err error)
 284 //sys   Fchmod(fd int, mode uint32) (err error)
 285 //sys   Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
 286 //sys   Fchown(fd int, uid int, gid int) (err error)
 287 //sys   Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
 288 //sys   Flock(fd int, how int) (err error)
 289 //sys   Fpathconf(fd int, name int) (val int, err error)
 290 //sys   Fstat(fd int, stat *Stat_t) (err error)
 291 //sys   Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 292 //sys   Fsync(fd int) (err error)
 293 //sys   Ftruncate(fd int, length int64) (err error)
 294 //sysnb Getegid() (egid int)
 295 //sysnb Geteuid() (uid int)
 296 //sysnb Getgid() (gid int)
 297 //sysnb Getpgid(pid int) (pgid int, err error)
 298 //sysnb Getpgrp() (pgrp int)
 299 //sysnb Getpid() (pid int)
 300 //sysnb Getppid() (ppid int)
 301 //sys   Getpriority(which int, who int) (prio int, err error)
 302 //sysnb Getrlimit(which int, lim *Rlimit) (err error)
 303 //sysnb Getrusage(who int, rusage *Rusage) (err error)
 304 //sysnb Getsid(pid int) (sid int, err error)
 305 //sysnb Gettimeofday(tv *Timeval) (err error)
 306 //sysnb Getuid() (uid int)
 307 //sys   Issetugid() (tainted bool)
 308 //sys   Kill(pid int, signum syscall.Signal) (err error)
 309 //sys   Kqueue() (fd int, err error)
 310 //sys   Lchown(path string, uid int, gid int) (err error)
 311 //sys   Link(path string, link string) (err error)
 312 //sys   Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
 313 //sys   Listen(s int, backlog int) (err error)
 314 //sys   Lstat(path string, stat *Stat_t) (err error)
 315 //sys   Mkdir(path string, mode uint32) (err error)
 316 //sys   Mkdirat(dirfd int, path string, mode uint32) (err error)
 317 //sys   Mkfifo(path string, mode uint32) (err error)
 318 //sys   Mkfifoat(dirfd int, path string, mode uint32) (err error)
 319 //sys   Mknod(path string, mode uint32, dev int) (err error)
 320 //sys   Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
 321 //sys   Nanosleep(time *Timespec, leftover *Timespec) (err error)
 322 //sys   Open(path string, mode int, perm uint32) (fd int, err error)
 323 //sys   Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 324 //sys   Pathconf(path string, name int) (val int, err error)
 325 //sys   Pread(fd int, p []byte, offset int64) (n int, err error)
 326 //sys   Pwrite(fd int, p []byte, offset int64) (n int, err error)
 327 //sys   read(fd int, p []byte) (n int, err error)
 328 //sys   Readlink(path string, buf []byte) (n int, err error)
 329 //sys   Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
 330 //sys   Rename(from string, to string) (err error)
 331 //sys   Renameat(fromfd int, from string, tofd int, to string) (err error)
 332 //sys   Revoke(path string) (err error)
 333 //sys   Rmdir(path string) (err error)
 334 //sys   Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
 335 //sys   Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
 336 //sysnb Setegid(egid int) (err error)
 337 //sysnb Seteuid(euid int) (err error)
 338 //sysnb Setgid(gid int) (err error)
 339 //sysnb Setpgid(pid int, pgid int) (err error)
 340 //sys   Setpriority(which int, who int, prio int) (err error)
 341 //sysnb Setregid(rgid int, egid int) (err error)
 342 //sysnb Setreuid(ruid int, euid int) (err error)
 343 //sysnb Setrlimit(which int, lim *Rlimit) (err error)
 344 //sysnb Setsid() (pid int, err error)
 345 //sysnb Settimeofday(tp *Timeval) (err error)
 346 //sysnb Setuid(uid int) (err error)
 347 //sys   Stat(path string, stat *Stat_t) (err error)
 348 //sys   Symlink(path string, link string) (err error)
 349 //sys   Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
 350 //sys   Sync() (err error)
 351 //sys   Truncate(path string, length int64) (err error)
 352 //sys   Umask(newmask int) (oldmask int)
 353 //sys   Unlink(path string) (err error)
 354 //sys   Unlinkat(dirfd int, path string, flags int) (err error)
 355 //sys   Unmount(path string, flags int) (err error)
 356 //sys   write(fd int, p []byte) (n int, err error)
 357 //sys   mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
 358 //sys   munmap(addr uintptr, length uintptr) (err error)
 359 //sys   readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
 360 //sys   writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
 361 //sys   utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
 362
 363 /*
 364  * Unimplemented
 365  */
 366 // ____semctl13
 367 // __clone
 368 // __fhopen40
 369 // __fhstat40
 370 // __fhstatvfs140
 371 // __fstat30
 372 // __getcwd
 373 // __getfh30
 374 // __getlogin
 375 // __lstat30
 376 // __mount50
 377 // __msgctl13
 378 // __msync13
 379 // __ntp_gettime30
 380 // __posix_chown
 381 // __posix_fchown
 382 // __posix_lchown
 383 // __posix_rename
 384 // __setlogin
 385 // __shmctl13
 386 // __sigaction_sigtramp
 387 // __sigaltstack14
 388 // __sigpending14
 389 // __sigprocmask14
 390 // __sigsuspend14
 391 // __sigtimedwait
 392 // __stat30
 393 // __syscall
 394 // __vfork14
 395 // _ksem_close
 396 // _ksem_destroy
 397 // _ksem_getvalue
 398 // _ksem_init
 399 // _ksem_open
 400 // _ksem_post
 401 // _ksem_trywait
 402 // _ksem_unlink
 403 // _ksem_wait
 404 // _lwp_continue
 405 // _lwp_create
 406 // _lwp_ctl
 407 // _lwp_detach
 408 // _lwp_exit
 409 // _lwp_getname
 410 // _lwp_getprivate
 411 // _lwp_kill
 412 // _lwp_park
 413 // _lwp_self
 414 // _lwp_setname
 415 // _lwp_setprivate
 416 // _lwp_suspend
 417 // _lwp_unpark
 418 // _lwp_unpark_all
 419 // _lwp_wait
 420 // _lwp_wakeup
 421 // _pset_bind
 422 // _sched_getaffinity
 423 // _sched_getparam
 424 // _sched_setaffinity
 425 // _sched_setparam
 426 // acct
 427 // aio_cancel
 428 // aio_error
 429 // aio_fsync
 430 // aio_read
 431 // aio_return
 432 // aio_suspend
 433 // aio_write
 434 // break
 435 // clock_getres
 436 // clock_gettime
 437 // clock_settime
 438 // compat_09_ogetdomainname
 439 // compat_09_osetdomainname
 440 // compat_09_ouname
 441 // compat_10_omsgsys
 442 // compat_10_osemsys
 443 // compat_10_oshmsys
 444 // compat_12_fstat12
 445 // compat_12_getdirentries
 446 // compat_12_lstat12
 447 // compat_12_msync
 448 // compat_12_oreboot
 449 // compat_12_oswapon
 450 // compat_12_stat12
 451 // compat_13_sigaction13
 452 // compat_13_sigaltstack13
 453 // compat_13_sigpending13
 454 // compat_13_sigprocmask13
 455 // compat_13_sigreturn13
 456 // compat_13_sigsuspend13
 457 // compat_14___semctl
 458 // compat_14_msgctl
 459 // compat_14_shmctl
 460 // compat_16___sigaction14
 461 // compat_16___sigreturn14
 462 // compat_20_fhstatfs
 463 // compat_20_fstatfs
 464 // compat_20_getfsstat
 465 // compat_20_statfs
 466 // compat_30___fhstat30
 467 // compat_30___fstat13
 468 // compat_30___lstat13
 469 // compat_30___stat13
 470 // compat_30_fhopen
 471 // compat_30_fhstat
 472 // compat_30_fhstatvfs1
 473 // compat_30_getdents
 474 // compat_30_getfh
 475 // compat_30_ntp_gettime
 476 // compat_30_socket
 477 // compat_40_mount
 478 // compat_43_fstat43
 479 // compat_43_lstat43
 480 // compat_43_oaccept
 481 // compat_43_ocreat
 482 // compat_43_oftruncate
 483 // compat_43_ogetdirentries
 484 // compat_43_ogetdtablesize
 485 // compat_43_ogethostid
 486 // compat_43_ogethostname
 487 // compat_43_ogetkerninfo
 488 // compat_43_ogetpagesize
 489 // compat_43_ogetpeername
 490 // compat_43_ogetrlimit
 491 // compat_43_ogetsockname
 492 // compat_43_okillpg
 493 // compat_43_olseek
 494 // compat_43_ommap
 495 // compat_43_oquota
 496 // compat_43_orecv
 497 // compat_43_orecvfrom
 498 // compat_43_orecvmsg
 499 // compat_43_osend
 500 // compat_43_osendmsg
 501 // compat_43_osethostid
 502 // compat_43_osethostname
 503 // compat_43_osetrlimit
 504 // compat_43_osigblock
 505 // compat_43_osigsetmask
 506 // compat_43_osigstack
 507 // compat_43_osigvec
 508 // compat_43_otruncate
 509 // compat_43_owait
 510 // compat_43_stat43
 511 // execve
 512 // extattr_delete_fd
 513 // extattr_delete_file
 514 // extattr_delete_link
 515 // extattr_get_fd
 516 // extattr_get_file
 517 // extattr_get_link
 518 // extattr_list_fd
 519 // extattr_list_file
 520 // extattr_list_link
 521 // extattr_set_fd
 522 // extattr_set_file
 523 // extattr_set_link
 524 // extattrctl
 525 // fchroot
 526 // fdatasync
 527 // fgetxattr
 528 // fktrace
 529 // flistxattr
 530 // fork
 531 // fremovexattr
 532 // fsetxattr
 533 // fstatvfs1
 534 // fsync_range
 535 // getcontext
 536 // getitimer
 537 // getvfsstat
 538 // getxattr
 539 // ktrace
 540 // lchflags
 541 // lchmod
 542 // lfs_bmapv
 543 // lfs_markv
 544 // lfs_segclean
 545 // lfs_segwait
 546 // lgetxattr
 547 // lio_listio
 548 // listxattr
 549 // llistxattr
 550 // lremovexattr
 551 // lseek
 552 // lsetxattr
 553 // lutimes
 554 // madvise
 555 // mincore
 556 // minherit
 557 // modctl
 558 // mq_close
 559 // mq_getattr
 560 // mq_notify
 561 // mq_open
 562 // mq_receive
 563 // mq_send
 564 // mq_setattr
 565 // mq_timedreceive
 566 // mq_timedsend
 567 // mq_unlink
 568 // mremap
 569 // msgget
 570 // msgrcv
 571 // msgsnd
 572 // nfssvc
 573 // ntp_adjtime
 574 // pmc_control
 575 // pmc_get_info
 576 // pollts
 577 // preadv
 578 // profil
 579 // pselect
 580 // pset_assign
 581 // pset_create
 582 // pset_destroy
 583 // ptrace
 584 // pwritev
 585 // quotactl
 586 // rasctl
 587 // readv
 588 // reboot
 589 // removexattr
 590 // sa_enable
 591 // sa_preempt
 592 // sa_register
 593 // sa_setconcurrency
 594 // sa_stacks
 595 // sa_yield
 596 // sbrk
 597 // sched_yield
 598 // semconfig
 599 // semget
 600 // semop
 601 // setcontext
 602 // setitimer
 603 // setxattr
 604 // shmat
 605 // shmdt
 606 // shmget
 607 // sstk
 608 // statvfs1
 609 // swapctl
 610 // sysarch
 611 // syscall
 612 // timer_create
 613 // timer_delete
 614 // timer_getoverrun
 615 // timer_gettime
 616 // timer_settime
 617 // undelete
 618 // utrace
 619 // uuidgen
 620 // vadvise
 621 // vfork
 622 // writev