David K. Bainbridge | 215e024 | 2017-09-05 23:18:24 -0700 | [diff] [blame] | 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 | "syscall" |
| 17 | "unsafe" |
| 18 | ) |
| 19 | |
| 20 | type SockaddrDatalink struct { |
| 21 | Len uint8 |
| 22 | Family uint8 |
| 23 | Index uint16 |
| 24 | Type uint8 |
| 25 | Nlen uint8 |
| 26 | Alen uint8 |
| 27 | Slen uint8 |
| 28 | Data [12]int8 |
| 29 | raw RawSockaddrDatalink |
| 30 | } |
| 31 | |
| 32 | func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |
| 33 | |
| 34 | func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { |
| 35 | var olen uintptr |
| 36 | |
| 37 | // Get a list of all sysctl nodes below the given MIB by performing |
| 38 | // a sysctl for the given MIB with CTL_QUERY appended. |
| 39 | mib = append(mib, CTL_QUERY) |
| 40 | qnode := Sysctlnode{Flags: SYSCTL_VERS_1} |
| 41 | qp := (*byte)(unsafe.Pointer(&qnode)) |
| 42 | sz := unsafe.Sizeof(qnode) |
| 43 | if err = sysctl(mib, nil, &olen, qp, sz); err != nil { |
| 44 | return nil, err |
| 45 | } |
| 46 | |
| 47 | // Now that we know the size, get the actual nodes. |
| 48 | nodes = make([]Sysctlnode, olen/sz) |
| 49 | np := (*byte)(unsafe.Pointer(&nodes[0])) |
| 50 | if err = sysctl(mib, np, &olen, qp, sz); err != nil { |
| 51 | return nil, err |
| 52 | } |
| 53 | |
| 54 | return nodes, nil |
| 55 | } |
| 56 | |
| 57 | func nametomib(name string) (mib []_C_int, err error) { |
| 58 | |
| 59 | // Split name into components. |
| 60 | var parts []string |
| 61 | last := 0 |
| 62 | for i := 0; i < len(name); i++ { |
| 63 | if name[i] == '.' { |
| 64 | parts = append(parts, name[last:i]) |
| 65 | last = i + 1 |
| 66 | } |
| 67 | } |
| 68 | parts = append(parts, name[last:]) |
| 69 | |
| 70 | // Discover the nodes and construct the MIB OID. |
| 71 | for partno, part := range parts { |
| 72 | nodes, err := sysctlNodes(mib) |
| 73 | if err != nil { |
| 74 | return nil, err |
| 75 | } |
| 76 | for _, node := range nodes { |
| 77 | n := make([]byte, 0) |
| 78 | for i := range node.Name { |
| 79 | if node.Name[i] != 0 { |
| 80 | n = append(n, byte(node.Name[i])) |
| 81 | } |
| 82 | } |
| 83 | if string(n) == part { |
| 84 | mib = append(mib, _C_int(node.Num)) |
| 85 | break |
| 86 | } |
| 87 | } |
| 88 | if len(mib) != partno+1 { |
| 89 | return nil, EINVAL |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | return mib, nil |
| 94 | } |
| 95 | |
| 96 | func direntIno(buf []byte) (uint64, bool) { |
| 97 | return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) |
| 98 | } |
| 99 | |
| 100 | func direntReclen(buf []byte) (uint64, bool) { |
| 101 | return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) |
| 102 | } |
| 103 | |
| 104 | func direntNamlen(buf []byte) (uint64, bool) { |
| 105 | return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) |
| 106 | } |
| 107 | |
| 108 | //sysnb pipe() (fd1 int, fd2 int, err error) |
| 109 | func Pipe(p []int) (err error) { |
| 110 | if len(p) != 2 { |
| 111 | return EINVAL |
| 112 | } |
| 113 | p[0], p[1], err = pipe() |
| 114 | return |
| 115 | } |
| 116 | |
| 117 | //sys getdents(fd int, buf []byte) (n int, err error) |
| 118 | func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
| 119 | return getdents(fd, buf) |
| 120 | } |
| 121 | |
| 122 | // TODO |
| 123 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
| 124 | return -1, ENOSYS |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * Exposed directly |
| 129 | */ |
| 130 | //sys Access(path string, mode uint32) (err error) |
| 131 | //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) |
| 132 | //sys Chdir(path string) (err error) |
| 133 | //sys Chflags(path string, flags int) (err error) |
| 134 | //sys Chmod(path string, mode uint32) (err error) |
| 135 | //sys Chown(path string, uid int, gid int) (err error) |
| 136 | //sys Chroot(path string) (err error) |
| 137 | //sys Close(fd int) (err error) |
| 138 | //sys Dup(fd int) (nfd int, err error) |
| 139 | //sys Dup2(from int, to int) (err error) |
| 140 | //sys Exit(code int) |
| 141 | //sys Fchdir(fd int) (err error) |
| 142 | //sys Fchflags(fd int, flags int) (err error) |
| 143 | //sys Fchmod(fd int, mode uint32) (err error) |
| 144 | //sys Fchown(fd int, uid int, gid int) (err error) |
| 145 | //sys Flock(fd int, how int) (err error) |
| 146 | //sys Fpathconf(fd int, name int) (val int, err error) |
| 147 | //sys Fstat(fd int, stat *Stat_t) (err error) |
| 148 | //sys Fsync(fd int) (err error) |
| 149 | //sys Ftruncate(fd int, length int64) (err error) |
| 150 | //sysnb Getegid() (egid int) |
| 151 | //sysnb Geteuid() (uid int) |
| 152 | //sysnb Getgid() (gid int) |
| 153 | //sysnb Getpgid(pid int) (pgid int, err error) |
| 154 | //sysnb Getpgrp() (pgrp int) |
| 155 | //sysnb Getpid() (pid int) |
| 156 | //sysnb Getppid() (ppid int) |
| 157 | //sys Getpriority(which int, who int) (prio int, err error) |
| 158 | //sysnb Getrlimit(which int, lim *Rlimit) (err error) |
| 159 | //sysnb Getrusage(who int, rusage *Rusage) (err error) |
| 160 | //sysnb Getsid(pid int) (sid int, err error) |
| 161 | //sysnb Gettimeofday(tv *Timeval) (err error) |
| 162 | //sysnb Getuid() (uid int) |
| 163 | //sys Issetugid() (tainted bool) |
| 164 | //sys Kill(pid int, signum syscall.Signal) (err error) |
| 165 | //sys Kqueue() (fd int, err error) |
| 166 | //sys Lchown(path string, uid int, gid int) (err error) |
| 167 | //sys Link(path string, link string) (err error) |
| 168 | //sys Listen(s int, backlog int) (err error) |
| 169 | //sys Lstat(path string, stat *Stat_t) (err error) |
| 170 | //sys Mkdir(path string, mode uint32) (err error) |
| 171 | //sys Mkfifo(path string, mode uint32) (err error) |
| 172 | //sys Mknod(path string, mode uint32, dev int) (err error) |
| 173 | //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) |
| 174 | //sys Open(path string, mode int, perm uint32) (fd int, err error) |
| 175 | //sys Pathconf(path string, name int) (val int, err error) |
| 176 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) |
| 177 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) |
| 178 | //sys read(fd int, p []byte) (n int, err error) |
| 179 | //sys Readlink(path string, buf []byte) (n int, err error) |
| 180 | //sys Rename(from string, to string) (err error) |
| 181 | //sys Revoke(path string) (err error) |
| 182 | //sys Rmdir(path string) (err error) |
| 183 | //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK |
| 184 | //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) |
| 185 | //sysnb Setegid(egid int) (err error) |
| 186 | //sysnb Seteuid(euid int) (err error) |
| 187 | //sysnb Setgid(gid int) (err error) |
| 188 | //sysnb Setpgid(pid int, pgid int) (err error) |
| 189 | //sys Setpriority(which int, who int, prio int) (err error) |
| 190 | //sysnb Setregid(rgid int, egid int) (err error) |
| 191 | //sysnb Setreuid(ruid int, euid int) (err error) |
| 192 | //sysnb Setrlimit(which int, lim *Rlimit) (err error) |
| 193 | //sysnb Setsid() (pid int, err error) |
| 194 | //sysnb Settimeofday(tp *Timeval) (err error) |
| 195 | //sysnb Setuid(uid int) (err error) |
| 196 | //sys Stat(path string, stat *Stat_t) (err error) |
| 197 | //sys Symlink(path string, link string) (err error) |
| 198 | //sys Sync() (err error) |
| 199 | //sys Truncate(path string, length int64) (err error) |
| 200 | //sys Umask(newmask int) (oldmask int) |
| 201 | //sys Unlink(path string) (err error) |
| 202 | //sys Unmount(path string, flags int) (err error) |
| 203 | //sys write(fd int, p []byte) (n int, err error) |
| 204 | //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) |
| 205 | //sys munmap(addr uintptr, length uintptr) (err error) |
| 206 | //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ |
| 207 | //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE |
| 208 | //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) |
| 209 | |
| 210 | /* |
| 211 | * Unimplemented |
| 212 | */ |
| 213 | // ____semctl13 |
| 214 | // __clone |
| 215 | // __fhopen40 |
| 216 | // __fhstat40 |
| 217 | // __fhstatvfs140 |
| 218 | // __fstat30 |
| 219 | // __getcwd |
| 220 | // __getfh30 |
| 221 | // __getlogin |
| 222 | // __lstat30 |
| 223 | // __mount50 |
| 224 | // __msgctl13 |
| 225 | // __msync13 |
| 226 | // __ntp_gettime30 |
| 227 | // __posix_chown |
| 228 | // __posix_fadvise50 |
| 229 | // __posix_fchown |
| 230 | // __posix_lchown |
| 231 | // __posix_rename |
| 232 | // __setlogin |
| 233 | // __shmctl13 |
| 234 | // __sigaction_sigtramp |
| 235 | // __sigaltstack14 |
| 236 | // __sigpending14 |
| 237 | // __sigprocmask14 |
| 238 | // __sigsuspend14 |
| 239 | // __sigtimedwait |
| 240 | // __stat30 |
| 241 | // __syscall |
| 242 | // __vfork14 |
| 243 | // _ksem_close |
| 244 | // _ksem_destroy |
| 245 | // _ksem_getvalue |
| 246 | // _ksem_init |
| 247 | // _ksem_open |
| 248 | // _ksem_post |
| 249 | // _ksem_trywait |
| 250 | // _ksem_unlink |
| 251 | // _ksem_wait |
| 252 | // _lwp_continue |
| 253 | // _lwp_create |
| 254 | // _lwp_ctl |
| 255 | // _lwp_detach |
| 256 | // _lwp_exit |
| 257 | // _lwp_getname |
| 258 | // _lwp_getprivate |
| 259 | // _lwp_kill |
| 260 | // _lwp_park |
| 261 | // _lwp_self |
| 262 | // _lwp_setname |
| 263 | // _lwp_setprivate |
| 264 | // _lwp_suspend |
| 265 | // _lwp_unpark |
| 266 | // _lwp_unpark_all |
| 267 | // _lwp_wait |
| 268 | // _lwp_wakeup |
| 269 | // _pset_bind |
| 270 | // _sched_getaffinity |
| 271 | // _sched_getparam |
| 272 | // _sched_setaffinity |
| 273 | // _sched_setparam |
| 274 | // acct |
| 275 | // aio_cancel |
| 276 | // aio_error |
| 277 | // aio_fsync |
| 278 | // aio_read |
| 279 | // aio_return |
| 280 | // aio_suspend |
| 281 | // aio_write |
| 282 | // break |
| 283 | // clock_getres |
| 284 | // clock_gettime |
| 285 | // clock_settime |
| 286 | // compat_09_ogetdomainname |
| 287 | // compat_09_osetdomainname |
| 288 | // compat_09_ouname |
| 289 | // compat_10_omsgsys |
| 290 | // compat_10_osemsys |
| 291 | // compat_10_oshmsys |
| 292 | // compat_12_fstat12 |
| 293 | // compat_12_getdirentries |
| 294 | // compat_12_lstat12 |
| 295 | // compat_12_msync |
| 296 | // compat_12_oreboot |
| 297 | // compat_12_oswapon |
| 298 | // compat_12_stat12 |
| 299 | // compat_13_sigaction13 |
| 300 | // compat_13_sigaltstack13 |
| 301 | // compat_13_sigpending13 |
| 302 | // compat_13_sigprocmask13 |
| 303 | // compat_13_sigreturn13 |
| 304 | // compat_13_sigsuspend13 |
| 305 | // compat_14___semctl |
| 306 | // compat_14_msgctl |
| 307 | // compat_14_shmctl |
| 308 | // compat_16___sigaction14 |
| 309 | // compat_16___sigreturn14 |
| 310 | // compat_20_fhstatfs |
| 311 | // compat_20_fstatfs |
| 312 | // compat_20_getfsstat |
| 313 | // compat_20_statfs |
| 314 | // compat_30___fhstat30 |
| 315 | // compat_30___fstat13 |
| 316 | // compat_30___lstat13 |
| 317 | // compat_30___stat13 |
| 318 | // compat_30_fhopen |
| 319 | // compat_30_fhstat |
| 320 | // compat_30_fhstatvfs1 |
| 321 | // compat_30_getdents |
| 322 | // compat_30_getfh |
| 323 | // compat_30_ntp_gettime |
| 324 | // compat_30_socket |
| 325 | // compat_40_mount |
| 326 | // compat_43_fstat43 |
| 327 | // compat_43_lstat43 |
| 328 | // compat_43_oaccept |
| 329 | // compat_43_ocreat |
| 330 | // compat_43_oftruncate |
| 331 | // compat_43_ogetdirentries |
| 332 | // compat_43_ogetdtablesize |
| 333 | // compat_43_ogethostid |
| 334 | // compat_43_ogethostname |
| 335 | // compat_43_ogetkerninfo |
| 336 | // compat_43_ogetpagesize |
| 337 | // compat_43_ogetpeername |
| 338 | // compat_43_ogetrlimit |
| 339 | // compat_43_ogetsockname |
| 340 | // compat_43_okillpg |
| 341 | // compat_43_olseek |
| 342 | // compat_43_ommap |
| 343 | // compat_43_oquota |
| 344 | // compat_43_orecv |
| 345 | // compat_43_orecvfrom |
| 346 | // compat_43_orecvmsg |
| 347 | // compat_43_osend |
| 348 | // compat_43_osendmsg |
| 349 | // compat_43_osethostid |
| 350 | // compat_43_osethostname |
| 351 | // compat_43_osetrlimit |
| 352 | // compat_43_osigblock |
| 353 | // compat_43_osigsetmask |
| 354 | // compat_43_osigstack |
| 355 | // compat_43_osigvec |
| 356 | // compat_43_otruncate |
| 357 | // compat_43_owait |
| 358 | // compat_43_stat43 |
| 359 | // execve |
| 360 | // extattr_delete_fd |
| 361 | // extattr_delete_file |
| 362 | // extattr_delete_link |
| 363 | // extattr_get_fd |
| 364 | // extattr_get_file |
| 365 | // extattr_get_link |
| 366 | // extattr_list_fd |
| 367 | // extattr_list_file |
| 368 | // extattr_list_link |
| 369 | // extattr_set_fd |
| 370 | // extattr_set_file |
| 371 | // extattr_set_link |
| 372 | // extattrctl |
| 373 | // fchroot |
| 374 | // fdatasync |
| 375 | // fgetxattr |
| 376 | // fktrace |
| 377 | // flistxattr |
| 378 | // fork |
| 379 | // fremovexattr |
| 380 | // fsetxattr |
| 381 | // fstatvfs1 |
| 382 | // fsync_range |
| 383 | // getcontext |
| 384 | // getitimer |
| 385 | // getvfsstat |
| 386 | // getxattr |
| 387 | // ioctl |
| 388 | // ktrace |
| 389 | // lchflags |
| 390 | // lchmod |
| 391 | // lfs_bmapv |
| 392 | // lfs_markv |
| 393 | // lfs_segclean |
| 394 | // lfs_segwait |
| 395 | // lgetxattr |
| 396 | // lio_listio |
| 397 | // listxattr |
| 398 | // llistxattr |
| 399 | // lremovexattr |
| 400 | // lseek |
| 401 | // lsetxattr |
| 402 | // lutimes |
| 403 | // madvise |
| 404 | // mincore |
| 405 | // minherit |
| 406 | // modctl |
| 407 | // mq_close |
| 408 | // mq_getattr |
| 409 | // mq_notify |
| 410 | // mq_open |
| 411 | // mq_receive |
| 412 | // mq_send |
| 413 | // mq_setattr |
| 414 | // mq_timedreceive |
| 415 | // mq_timedsend |
| 416 | // mq_unlink |
| 417 | // mremap |
| 418 | // msgget |
| 419 | // msgrcv |
| 420 | // msgsnd |
| 421 | // nfssvc |
| 422 | // ntp_adjtime |
| 423 | // pmc_control |
| 424 | // pmc_get_info |
| 425 | // poll |
| 426 | // pollts |
| 427 | // preadv |
| 428 | // profil |
| 429 | // pselect |
| 430 | // pset_assign |
| 431 | // pset_create |
| 432 | // pset_destroy |
| 433 | // ptrace |
| 434 | // pwritev |
| 435 | // quotactl |
| 436 | // rasctl |
| 437 | // readv |
| 438 | // reboot |
| 439 | // removexattr |
| 440 | // sa_enable |
| 441 | // sa_preempt |
| 442 | // sa_register |
| 443 | // sa_setconcurrency |
| 444 | // sa_stacks |
| 445 | // sa_yield |
| 446 | // sbrk |
| 447 | // sched_yield |
| 448 | // semconfig |
| 449 | // semget |
| 450 | // semop |
| 451 | // setcontext |
| 452 | // setitimer |
| 453 | // setxattr |
| 454 | // shmat |
| 455 | // shmdt |
| 456 | // shmget |
| 457 | // sstk |
| 458 | // statvfs1 |
| 459 | // swapctl |
| 460 | // sysarch |
| 461 | // syscall |
| 462 | // timer_create |
| 463 | // timer_delete |
| 464 | // timer_getoverrun |
| 465 | // timer_gettime |
| 466 | // timer_settime |
| 467 | // undelete |
| 468 | // utrace |
| 469 | // uuidgen |
| 470 | // vadvise |
| 471 | // vfork |
| 472 | // writev |