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 13package unix 14 15import ( 16 "runtime" 17 "syscall" 18 "unsafe" 19) 20 21// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. 22type 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 34func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) 35 36func 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 59func 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 97func 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) 115func 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) 124func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 125 return getdents(fd, buf) 126} 127 128const ImplementsGetwd = true 129 130//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 131 132func 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 146func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 147 return -1, ENOSYS 148} 149 150func 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. 162func IoctlSetInt(fd int, req uint, value int) error { 163 return ioctl(fd, req, uintptr(value)) 164} 165 166func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 167 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 168} 169 170func 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. 176func 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 182func 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 188func 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 194func 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 201func 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/* 248 * Exposed directly 249 */ 250//sys Access(path string, mode uint32) (err error) 251//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 252//sys Chdir(path string) (err error) 253//sys Chflags(path string, flags int) (err error) 254//sys Chmod(path string, mode uint32) (err error) 255//sys Chown(path string, uid int, gid int) (err error) 256//sys Chroot(path string) (err error) 257//sys Close(fd int) (err error) 258//sys Dup(fd int) (nfd int, err error) 259//sys Dup2(from int, to int) (err error) 260//sys Exit(code int) 261//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 262//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 263//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) 264//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 265//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 266//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 267//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) 268//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 269//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 270//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 271//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) 272//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 273//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 274//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE 275//sys Fchdir(fd int) (err error) 276//sys Fchflags(fd int, flags int) (err error) 277//sys Fchmod(fd int, mode uint32) (err error) 278//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 279//sys Fchown(fd int, uid int, gid int) (err error) 280//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 281//sys Flock(fd int, how int) (err error) 282//sys Fpathconf(fd int, name int) (val int, err error) 283//sys Fstat(fd int, stat *Stat_t) (err error) 284//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) 285//sys Fsync(fd int) (err error) 286//sys Ftruncate(fd int, length int64) (err error) 287//sysnb Getegid() (egid int) 288//sysnb Geteuid() (uid int) 289//sysnb Getgid() (gid int) 290//sysnb Getpgid(pid int) (pgid int, err error) 291//sysnb Getpgrp() (pgrp int) 292//sysnb Getpid() (pid int) 293//sysnb Getppid() (ppid int) 294//sys Getpriority(which int, who int) (prio int, err error) 295//sysnb Getrlimit(which int, lim *Rlimit) (err error) 296//sysnb Getrusage(who int, rusage *Rusage) (err error) 297//sysnb Getsid(pid int) (sid int, err error) 298//sysnb Gettimeofday(tv *Timeval) (err error) 299//sysnb Getuid() (uid int) 300//sys Issetugid() (tainted bool) 301//sys Kill(pid int, signum syscall.Signal) (err error) 302//sys Kqueue() (fd int, err error) 303//sys Lchown(path string, uid int, gid int) (err error) 304//sys Link(path string, link string) (err error) 305//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 306//sys Listen(s int, backlog int) (err error) 307//sys Lstat(path string, stat *Stat_t) (err error) 308//sys Mkdir(path string, mode uint32) (err error) 309//sys Mkdirat(dirfd int, path string, mode uint32) (err error) 310//sys Mkfifo(path string, mode uint32) (err error) 311//sys Mkfifoat(dirfd int, path string, mode uint32) (err error) 312//sys Mknod(path string, mode uint32, dev int) (err error) 313//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) 314//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 315//sys Open(path string, mode int, perm uint32) (fd int, err error) 316//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 317//sys Pathconf(path string, name int) (val int, err error) 318//sys Pread(fd int, p []byte, offset int64) (n int, err error) 319//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 320//sys read(fd int, p []byte) (n int, err error) 321//sys Readlink(path string, buf []byte) (n int, err error) 322//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 323//sys Rename(from string, to string) (err error) 324//sys Renameat(fromfd int, from string, tofd int, to string) (err error) 325//sys Revoke(path string) (err error) 326//sys Rmdir(path string) (err error) 327//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 328//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 329//sysnb Setegid(egid int) (err error) 330//sysnb Seteuid(euid int) (err error) 331//sysnb Setgid(gid int) (err error) 332//sysnb Setpgid(pid int, pgid int) (err error) 333//sys Setpriority(which int, who int, prio int) (err error) 334//sysnb Setregid(rgid int, egid int) (err error) 335//sysnb Setreuid(ruid int, euid int) (err error) 336//sysnb Setrlimit(which int, lim *Rlimit) (err error) 337//sysnb Setsid() (pid int, err error) 338//sysnb Settimeofday(tp *Timeval) (err error) 339//sysnb Setuid(uid int) (err error) 340//sys Stat(path string, stat *Stat_t) (err error) 341//sys Symlink(path string, link string) (err error) 342//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 343//sys Sync() (err error) 344//sys Truncate(path string, length int64) (err error) 345//sys Umask(newmask int) (oldmask int) 346//sys Unlink(path string) (err error) 347//sys Unlinkat(dirfd int, path string, flags int) (err error) 348//sys Unmount(path string, flags int) (err error) 349//sys write(fd int, p []byte) (n int, err error) 350//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 351//sys munmap(addr uintptr, length uintptr) (err error) 352//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 353//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 354//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 355 356/* 357 * Unimplemented 358 */ 359// ____semctl13 360// __clone 361// __fhopen40 362// __fhstat40 363// __fhstatvfs140 364// __fstat30 365// __getcwd 366// __getfh30 367// __getlogin 368// __lstat30 369// __mount50 370// __msgctl13 371// __msync13 372// __ntp_gettime30 373// __posix_chown 374// __posix_fchown 375// __posix_lchown 376// __posix_rename 377// __setlogin 378// __shmctl13 379// __sigaction_sigtramp 380// __sigaltstack14 381// __sigpending14 382// __sigprocmask14 383// __sigsuspend14 384// __sigtimedwait 385// __stat30 386// __syscall 387// __vfork14 388// _ksem_close 389// _ksem_destroy 390// _ksem_getvalue 391// _ksem_init 392// _ksem_open 393// _ksem_post 394// _ksem_trywait 395// _ksem_unlink 396// _ksem_wait 397// _lwp_continue 398// _lwp_create 399// _lwp_ctl 400// _lwp_detach 401// _lwp_exit 402// _lwp_getname 403// _lwp_getprivate 404// _lwp_kill 405// _lwp_park 406// _lwp_self 407// _lwp_setname 408// _lwp_setprivate 409// _lwp_suspend 410// _lwp_unpark 411// _lwp_unpark_all 412// _lwp_wait 413// _lwp_wakeup 414// _pset_bind 415// _sched_getaffinity 416// _sched_getparam 417// _sched_setaffinity 418// _sched_setparam 419// acct 420// aio_cancel 421// aio_error 422// aio_fsync 423// aio_read 424// aio_return 425// aio_suspend 426// aio_write 427// break 428// clock_getres 429// clock_gettime 430// clock_settime 431// compat_09_ogetdomainname 432// compat_09_osetdomainname 433// compat_09_ouname 434// compat_10_omsgsys 435// compat_10_osemsys 436// compat_10_oshmsys 437// compat_12_fstat12 438// compat_12_getdirentries 439// compat_12_lstat12 440// compat_12_msync 441// compat_12_oreboot 442// compat_12_oswapon 443// compat_12_stat12 444// compat_13_sigaction13 445// compat_13_sigaltstack13 446// compat_13_sigpending13 447// compat_13_sigprocmask13 448// compat_13_sigreturn13 449// compat_13_sigsuspend13 450// compat_14___semctl 451// compat_14_msgctl 452// compat_14_shmctl 453// compat_16___sigaction14 454// compat_16___sigreturn14 455// compat_20_fhstatfs 456// compat_20_fstatfs 457// compat_20_getfsstat 458// compat_20_statfs 459// compat_30___fhstat30 460// compat_30___fstat13 461// compat_30___lstat13 462// compat_30___stat13 463// compat_30_fhopen 464// compat_30_fhstat 465// compat_30_fhstatvfs1 466// compat_30_getdents 467// compat_30_getfh 468// compat_30_ntp_gettime 469// compat_30_socket 470// compat_40_mount 471// compat_43_fstat43 472// compat_43_lstat43 473// compat_43_oaccept 474// compat_43_ocreat 475// compat_43_oftruncate 476// compat_43_ogetdirentries 477// compat_43_ogetdtablesize 478// compat_43_ogethostid 479// compat_43_ogethostname 480// compat_43_ogetkerninfo 481// compat_43_ogetpagesize 482// compat_43_ogetpeername 483// compat_43_ogetrlimit 484// compat_43_ogetsockname 485// compat_43_okillpg 486// compat_43_olseek 487// compat_43_ommap 488// compat_43_oquota 489// compat_43_orecv 490// compat_43_orecvfrom 491// compat_43_orecvmsg 492// compat_43_osend 493// compat_43_osendmsg 494// compat_43_osethostid 495// compat_43_osethostname 496// compat_43_osetrlimit 497// compat_43_osigblock 498// compat_43_osigsetmask 499// compat_43_osigstack 500// compat_43_osigvec 501// compat_43_otruncate 502// compat_43_owait 503// compat_43_stat43 504// execve 505// extattr_delete_fd 506// extattr_delete_file 507// extattr_delete_link 508// extattr_get_fd 509// extattr_get_file 510// extattr_get_link 511// extattr_list_fd 512// extattr_list_file 513// extattr_list_link 514// extattr_set_fd 515// extattr_set_file 516// extattr_set_link 517// extattrctl 518// fchroot 519// fdatasync 520// fgetxattr 521// fktrace 522// flistxattr 523// fork 524// fremovexattr 525// fsetxattr 526// fstatvfs1 527// fsync_range 528// getcontext 529// getitimer 530// getvfsstat 531// getxattr 532// ktrace 533// lchflags 534// lchmod 535// lfs_bmapv 536// lfs_markv 537// lfs_segclean 538// lfs_segwait 539// lgetxattr 540// lio_listio 541// listxattr 542// llistxattr 543// lremovexattr 544// lseek 545// lsetxattr 546// lutimes 547// madvise 548// mincore 549// minherit 550// modctl 551// mq_close 552// mq_getattr 553// mq_notify 554// mq_open 555// mq_receive 556// mq_send 557// mq_setattr 558// mq_timedreceive 559// mq_timedsend 560// mq_unlink 561// mremap 562// msgget 563// msgrcv 564// msgsnd 565// nfssvc 566// ntp_adjtime 567// pmc_control 568// pmc_get_info 569// pollts 570// preadv 571// profil 572// pselect 573// pset_assign 574// pset_create 575// pset_destroy 576// ptrace 577// pwritev 578// quotactl 579// rasctl 580// readv 581// reboot 582// removexattr 583// sa_enable 584// sa_preempt 585// sa_register 586// sa_setconcurrency 587// sa_stacks 588// sa_yield 589// sbrk 590// sched_yield 591// semconfig 592// semget 593// semop 594// setcontext 595// setitimer 596// setxattr 597// shmat 598// shmdt 599// shmget 600// sstk 601// statvfs1 602// swapctl 603// sysarch 604// syscall 605// timer_create 606// timer_delete 607// timer_getoverrun 608// timer_gettime 609// timer_settime 610// undelete 611// utrace 612// uuidgen 613// vadvise 614// vfork 615// writev 616