syscall_netbsd.go (16358B)
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 anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { 35 return nil, EAFNOSUPPORT 36 } 37 38 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 39 40 func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { 41 var olen uintptr 42 43 // Get a list of all sysctl nodes below the given MIB by performing 44 // a sysctl for the given MIB with CTL_QUERY appended. 45 mib = append(mib, CTL_QUERY) 46 qnode := Sysctlnode{Flags: SYSCTL_VERS_1} 47 qp := (*byte)(unsafe.Pointer(&qnode)) 48 sz := unsafe.Sizeof(qnode) 49 if err = sysctl(mib, nil, &olen, qp, sz); err != nil { 50 return nil, err 51 } 52 53 // Now that we know the size, get the actual nodes. 54 nodes = make([]Sysctlnode, olen/sz) 55 np := (*byte)(unsafe.Pointer(&nodes[0])) 56 if err = sysctl(mib, np, &olen, qp, sz); err != nil { 57 return nil, err 58 } 59 60 return nodes, nil 61 } 62 63 func nametomib(name string) (mib []_C_int, err error) { 64 // Split name into components. 65 var parts []string 66 last := 0 67 for i := 0; i < len(name); i++ { 68 if name[i] == '.' { 69 parts = append(parts, name[last:i]) 70 last = i + 1 71 } 72 } 73 parts = append(parts, name[last:]) 74 75 // Discover the nodes and construct the MIB OID. 76 for partno, part := range parts { 77 nodes, err := sysctlNodes(mib) 78 if err != nil { 79 return nil, err 80 } 81 for _, node := range nodes { 82 n := make([]byte, 0) 83 for i := range node.Name { 84 if node.Name[i] != 0 { 85 n = append(n, byte(node.Name[i])) 86 } 87 } 88 if string(n) == part { 89 mib = append(mib, _C_int(node.Num)) 90 break 91 } 92 } 93 if len(mib) != partno+1 { 94 return nil, EINVAL 95 } 96 } 97 98 return mib, nil 99 } 100 101 func direntIno(buf []byte) (uint64, bool) { 102 return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno)) 103 } 104 105 func direntReclen(buf []byte) (uint64, bool) { 106 return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) 107 } 108 109 func direntNamlen(buf []byte) (uint64, bool) { 110 return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) 111 } 112 113 func Pipe(p []int) (err error) { 114 return Pipe2(p, 0) 115 } 116 117 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 118 119 func Pipe2(p []int, flags int) error { 120 if len(p) != 2 { 121 return EINVAL 122 } 123 var pp [2]_C_int 124 err := pipe2(&pp, flags) 125 if err == nil { 126 p[0] = int(pp[0]) 127 p[1] = int(pp[1]) 128 } 129 return err 130 } 131 132 //sys Getdents(fd int, buf []byte) (n int, err error) 133 134 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 135 n, err = Getdents(fd, buf) 136 if err != nil || basep == nil { 137 return 138 } 139 140 var off int64 141 off, err = Seek(fd, 0, 1 /* SEEK_CUR */) 142 if err != nil { 143 *basep = ^uintptr(0) 144 return 145 } 146 *basep = uintptr(off) 147 if unsafe.Sizeof(*basep) == 8 { 148 return 149 } 150 if off>>32 != 0 { 151 // We can't stuff the offset back into a uintptr, so any 152 // future calls would be suspect. Generate an error. 153 // EIO is allowed by getdirentries. 154 err = EIO 155 } 156 return 157 } 158 159 //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 160 161 // TODO 162 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 163 return -1, ENOSYS 164 } 165 166 //sys ioctl(fd int, req uint, arg uintptr) (err error) 167 168 //sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL 169 170 func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) { 171 var value Ptmget 172 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 173 runtime.KeepAlive(value) 174 return &value, err 175 } 176 177 func Uname(uname *Utsname) error { 178 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 179 n := unsafe.Sizeof(uname.Sysname) 180 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 181 return err 182 } 183 184 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 185 n = unsafe.Sizeof(uname.Nodename) 186 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 187 return err 188 } 189 190 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 191 n = unsafe.Sizeof(uname.Release) 192 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 193 return err 194 } 195 196 mib = []_C_int{CTL_KERN, KERN_VERSION} 197 n = unsafe.Sizeof(uname.Version) 198 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 199 return err 200 } 201 202 // The version might have newlines or tabs in it, convert them to 203 // spaces. 204 for i, b := range uname.Version { 205 if b == '\n' || b == '\t' { 206 if i == len(uname.Version)-1 { 207 uname.Version[i] = 0 208 } else { 209 uname.Version[i] = ' ' 210 } 211 } 212 } 213 214 mib = []_C_int{CTL_HW, HW_MACHINE} 215 n = unsafe.Sizeof(uname.Machine) 216 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 217 return err 218 } 219 220 return nil 221 } 222 223 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 224 if raceenabled { 225 raceReleaseMerge(unsafe.Pointer(&ioSync)) 226 } 227 return sendfile(outfd, infd, offset, count) 228 } 229 230 func Fstatvfs(fd int, buf *Statvfs_t) (err error) { 231 return Fstatvfs1(fd, buf, ST_WAIT) 232 } 233 234 func Statvfs(path string, buf *Statvfs_t) (err error) { 235 return Statvfs1(path, buf, ST_WAIT) 236 } 237 238 /* 239 * Exposed directly 240 */ 241 //sys Access(path string, mode uint32) (err error) 242 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 243 //sys Chdir(path string) (err error) 244 //sys Chflags(path string, flags int) (err error) 245 //sys Chmod(path string, mode uint32) (err error) 246 //sys Chown(path string, uid int, gid int) (err error) 247 //sys Chroot(path string) (err error) 248 //sys Close(fd int) (err error) 249 //sys Dup(fd int) (nfd int, err error) 250 //sys Dup2(from int, to int) (err error) 251 //sys Dup3(from int, to int, flags int) (err error) 252 //sys Exit(code int) 253 //sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 254 //sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 255 //sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) 256 //sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 257 //sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 258 //sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 259 //sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) 260 //sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 261 //sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 262 //sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 263 //sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) 264 //sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 265 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 266 //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE 267 //sys Fchdir(fd int) (err error) 268 //sys Fchflags(fd int, flags int) (err error) 269 //sys Fchmod(fd int, mode uint32) (err error) 270 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 271 //sys Fchown(fd int, uid int, gid int) (err error) 272 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 273 //sys Flock(fd int, how int) (err error) 274 //sys Fpathconf(fd int, name int) (val int, err error) 275 //sys Fstat(fd int, stat *Stat_t) (err error) 276 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 277 //sys Fstatvfs1(fd int, buf *Statvfs_t, flags int) (err error) = SYS_FSTATVFS1 278 //sys Fsync(fd int) (err error) 279 //sys Ftruncate(fd int, length int64) (err error) 280 //sysnb Getegid() (egid int) 281 //sysnb Geteuid() (uid int) 282 //sysnb Getgid() (gid int) 283 //sysnb Getpgid(pid int) (pgid int, err error) 284 //sysnb Getpgrp() (pgrp int) 285 //sysnb Getpid() (pid int) 286 //sysnb Getppid() (ppid int) 287 //sys Getpriority(which int, who int) (prio int, err error) 288 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 289 //sysnb Getrusage(who int, rusage *Rusage) (err error) 290 //sysnb Getsid(pid int) (sid int, err error) 291 //sysnb Gettimeofday(tv *Timeval) (err error) 292 //sysnb Getuid() (uid int) 293 //sys Issetugid() (tainted bool) 294 //sys Kill(pid int, signum syscall.Signal) (err error) 295 //sys Kqueue() (fd int, err error) 296 //sys Lchown(path string, uid int, gid int) (err error) 297 //sys Link(path string, link string) (err error) 298 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 299 //sys Listen(s int, backlog int) (err error) 300 //sys Lstat(path string, stat *Stat_t) (err error) 301 //sys Mkdir(path string, mode uint32) (err error) 302 //sys Mkdirat(dirfd int, path string, mode uint32) (err error) 303 //sys Mkfifo(path string, mode uint32) (err error) 304 //sys Mkfifoat(dirfd int, path string, mode uint32) (err error) 305 //sys Mknod(path string, mode uint32, dev int) (err error) 306 //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) 307 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 308 //sys Open(path string, mode int, perm uint32) (fd int, err error) 309 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 310 //sys Pathconf(path string, name int) (val int, err error) 311 //sys pread(fd int, p []byte, offset int64) (n int, err error) 312 //sys pwrite(fd int, p []byte, offset int64) (n int, err error) 313 //sys read(fd int, p []byte) (n int, err error) 314 //sys Readlink(path string, buf []byte) (n int, err error) 315 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 316 //sys Rename(from string, to string) (err error) 317 //sys Renameat(fromfd int, from string, tofd int, to string) (err error) 318 //sys Revoke(path string) (err error) 319 //sys Rmdir(path string) (err error) 320 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 321 //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) 322 //sysnb Setegid(egid int) (err error) 323 //sysnb Seteuid(euid int) (err error) 324 //sysnb Setgid(gid int) (err error) 325 //sysnb Setpgid(pid int, pgid int) (err error) 326 //sys Setpriority(which int, who int, prio int) (err error) 327 //sysnb Setregid(rgid int, egid int) (err error) 328 //sysnb Setreuid(ruid int, euid int) (err error) 329 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 330 //sysnb Setsid() (pid int, err error) 331 //sysnb Settimeofday(tp *Timeval) (err error) 332 //sysnb Setuid(uid int) (err error) 333 //sys Stat(path string, stat *Stat_t) (err error) 334 //sys Statvfs1(path string, buf *Statvfs_t, flags int) (err error) = SYS_STATVFS1 335 //sys Symlink(path string, link string) (err error) 336 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 337 //sys Sync() (err error) 338 //sys Truncate(path string, length int64) (err error) 339 //sys Umask(newmask int) (oldmask int) 340 //sys Unlink(path string) (err error) 341 //sys Unlinkat(dirfd int, path string, flags int) (err error) 342 //sys Unmount(path string, flags int) (err error) 343 //sys write(fd int, p []byte) (n int, err error) 344 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 345 //sys munmap(addr uintptr, length uintptr) (err error) 346 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 347 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 348 //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 349 350 /* 351 * Unimplemented 352 */ 353 // ____semctl13 354 // __clone 355 // __fhopen40 356 // __fhstat40 357 // __fhstatvfs140 358 // __fstat30 359 // __getcwd 360 // __getfh30 361 // __getlogin 362 // __lstat30 363 // __mount50 364 // __msgctl13 365 // __msync13 366 // __ntp_gettime30 367 // __posix_chown 368 // __posix_fchown 369 // __posix_lchown 370 // __posix_rename 371 // __setlogin 372 // __shmctl13 373 // __sigaction_sigtramp 374 // __sigaltstack14 375 // __sigpending14 376 // __sigprocmask14 377 // __sigsuspend14 378 // __sigtimedwait 379 // __stat30 380 // __syscall 381 // __vfork14 382 // _ksem_close 383 // _ksem_destroy 384 // _ksem_getvalue 385 // _ksem_init 386 // _ksem_open 387 // _ksem_post 388 // _ksem_trywait 389 // _ksem_unlink 390 // _ksem_wait 391 // _lwp_continue 392 // _lwp_create 393 // _lwp_ctl 394 // _lwp_detach 395 // _lwp_exit 396 // _lwp_getname 397 // _lwp_getprivate 398 // _lwp_kill 399 // _lwp_park 400 // _lwp_self 401 // _lwp_setname 402 // _lwp_setprivate 403 // _lwp_suspend 404 // _lwp_unpark 405 // _lwp_unpark_all 406 // _lwp_wait 407 // _lwp_wakeup 408 // _pset_bind 409 // _sched_getaffinity 410 // _sched_getparam 411 // _sched_setaffinity 412 // _sched_setparam 413 // acct 414 // aio_cancel 415 // aio_error 416 // aio_fsync 417 // aio_read 418 // aio_return 419 // aio_suspend 420 // aio_write 421 // break 422 // clock_getres 423 // clock_gettime 424 // clock_settime 425 // compat_09_ogetdomainname 426 // compat_09_osetdomainname 427 // compat_09_ouname 428 // compat_10_omsgsys 429 // compat_10_osemsys 430 // compat_10_oshmsys 431 // compat_12_fstat12 432 // compat_12_getdirentries 433 // compat_12_lstat12 434 // compat_12_msync 435 // compat_12_oreboot 436 // compat_12_oswapon 437 // compat_12_stat12 438 // compat_13_sigaction13 439 // compat_13_sigaltstack13 440 // compat_13_sigpending13 441 // compat_13_sigprocmask13 442 // compat_13_sigreturn13 443 // compat_13_sigsuspend13 444 // compat_14___semctl 445 // compat_14_msgctl 446 // compat_14_shmctl 447 // compat_16___sigaction14 448 // compat_16___sigreturn14 449 // compat_20_fhstatfs 450 // compat_20_fstatfs 451 // compat_20_getfsstat 452 // compat_20_statfs 453 // compat_30___fhstat30 454 // compat_30___fstat13 455 // compat_30___lstat13 456 // compat_30___stat13 457 // compat_30_fhopen 458 // compat_30_fhstat 459 // compat_30_fhstatvfs1 460 // compat_30_getdents 461 // compat_30_getfh 462 // compat_30_ntp_gettime 463 // compat_30_socket 464 // compat_40_mount 465 // compat_43_fstat43 466 // compat_43_lstat43 467 // compat_43_oaccept 468 // compat_43_ocreat 469 // compat_43_oftruncate 470 // compat_43_ogetdirentries 471 // compat_43_ogetdtablesize 472 // compat_43_ogethostid 473 // compat_43_ogethostname 474 // compat_43_ogetkerninfo 475 // compat_43_ogetpagesize 476 // compat_43_ogetpeername 477 // compat_43_ogetrlimit 478 // compat_43_ogetsockname 479 // compat_43_okillpg 480 // compat_43_olseek 481 // compat_43_ommap 482 // compat_43_oquota 483 // compat_43_orecv 484 // compat_43_orecvfrom 485 // compat_43_orecvmsg 486 // compat_43_osend 487 // compat_43_osendmsg 488 // compat_43_osethostid 489 // compat_43_osethostname 490 // compat_43_osetrlimit 491 // compat_43_osigblock 492 // compat_43_osigsetmask 493 // compat_43_osigstack 494 // compat_43_osigvec 495 // compat_43_otruncate 496 // compat_43_owait 497 // compat_43_stat43 498 // execve 499 // extattr_delete_fd 500 // extattr_delete_file 501 // extattr_delete_link 502 // extattr_get_fd 503 // extattr_get_file 504 // extattr_get_link 505 // extattr_list_fd 506 // extattr_list_file 507 // extattr_list_link 508 // extattr_set_fd 509 // extattr_set_file 510 // extattr_set_link 511 // extattrctl 512 // fchroot 513 // fdatasync 514 // fgetxattr 515 // fktrace 516 // flistxattr 517 // fork 518 // fremovexattr 519 // fsetxattr 520 // fstatvfs1 521 // fsync_range 522 // getcontext 523 // getitimer 524 // getvfsstat 525 // getxattr 526 // ktrace 527 // lchflags 528 // lchmod 529 // lfs_bmapv 530 // lfs_markv 531 // lfs_segclean 532 // lfs_segwait 533 // lgetxattr 534 // lio_listio 535 // listxattr 536 // llistxattr 537 // lremovexattr 538 // lseek 539 // lsetxattr 540 // lutimes 541 // madvise 542 // mincore 543 // minherit 544 // modctl 545 // mq_close 546 // mq_getattr 547 // mq_notify 548 // mq_open 549 // mq_receive 550 // mq_send 551 // mq_setattr 552 // mq_timedreceive 553 // mq_timedsend 554 // mq_unlink 555 // mremap 556 // msgget 557 // msgrcv 558 // msgsnd 559 // nfssvc 560 // ntp_adjtime 561 // pmc_control 562 // pmc_get_info 563 // pollts 564 // preadv 565 // profil 566 // pselect 567 // pset_assign 568 // pset_create 569 // pset_destroy 570 // ptrace 571 // pwritev 572 // quotactl 573 // rasctl 574 // readv 575 // reboot 576 // removexattr 577 // sa_enable 578 // sa_preempt 579 // sa_register 580 // sa_setconcurrency 581 // sa_stacks 582 // sa_yield 583 // sbrk 584 // sched_yield 585 // semconfig 586 // semget 587 // semop 588 // setcontext 589 // setitimer 590 // setxattr 591 // shmat 592 // shmdt 593 // shmget 594 // sstk 595 // statvfs1 596 // swapctl 597 // sysarch 598 // syscall 599 // timer_create 600 // timer_delete 601 // timer_getoverrun 602 // timer_gettime 603 // timer_settime 604 // undelete 605 // utrace 606 // uuidgen 607 // vadvise 608 // vfork 609 // writev