syscall_netbsd.go 16 KB

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