syscall_openbsd.go 11 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. // OpenBSD 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. "sort"
  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 [24]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 nametomib(name string) (mib []_C_int, err error) {
  31. i := sort.Search(len(sysctlMib), func(i int) bool {
  32. return sysctlMib[i].ctlname >= name
  33. })
  34. if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
  35. return sysctlMib[i].ctloid, nil
  36. }
  37. return nil, EINVAL
  38. }
  39. func SysctlUvmexp(name string) (*Uvmexp, error) {
  40. mib, err := sysctlmib(name)
  41. if err != nil {
  42. return nil, err
  43. }
  44. n := uintptr(SizeofUvmexp)
  45. var u Uvmexp
  46. if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
  47. return nil, err
  48. }
  49. if n != SizeofUvmexp {
  50. return nil, EIO
  51. }
  52. return &u, nil
  53. }
  54. //sysnb pipe(p *[2]_C_int) (err error)
  55. func Pipe(p []int) (err error) {
  56. if len(p) != 2 {
  57. return EINVAL
  58. }
  59. var pp [2]_C_int
  60. err = pipe(&pp)
  61. p[0] = int(pp[0])
  62. p[1] = int(pp[1])
  63. return
  64. }
  65. //sys getdents(fd int, buf []byte) (n int, err error)
  66. func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
  67. return getdents(fd, buf)
  68. }
  69. const ImplementsGetwd = true
  70. //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
  71. func Getwd() (string, error) {
  72. var buf [PathMax]byte
  73. _, err := Getcwd(buf[0:])
  74. if err != nil {
  75. return "", err
  76. }
  77. n := clen(buf[:])
  78. if n < 1 {
  79. return "", EINVAL
  80. }
  81. return string(buf[:n]), nil
  82. }
  83. // TODO
  84. func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
  85. return -1, ENOSYS
  86. }
  87. func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
  88. var _p0 unsafe.Pointer
  89. var bufsize uintptr
  90. if len(buf) > 0 {
  91. _p0 = unsafe.Pointer(&buf[0])
  92. bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
  93. }
  94. r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
  95. n = int(r0)
  96. if e1 != 0 {
  97. err = e1
  98. }
  99. return
  100. }
  101. func setattrlistTimes(path string, times []Timespec, flags int) error {
  102. // used on Darwin for UtimesNano
  103. return ENOSYS
  104. }
  105. //sys ioctl(fd int, req uint, arg uintptr) (err error)
  106. // ioctl itself should not be exposed directly, but additional get/set
  107. // functions for specific types are permissible.
  108. // IoctlSetInt performs an ioctl operation which sets an integer value
  109. // on fd, using the specified request number.
  110. func IoctlSetInt(fd int, req uint, value int) error {
  111. return ioctl(fd, req, uintptr(value))
  112. }
  113. func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
  114. return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
  115. }
  116. func ioctlSetTermios(fd int, req uint, value *Termios) error {
  117. return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
  118. }
  119. // IoctlGetInt performs an ioctl operation which gets an integer value
  120. // from fd, using the specified request number.
  121. func IoctlGetInt(fd int, req uint) (int, error) {
  122. var value int
  123. err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
  124. return value, err
  125. }
  126. func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
  127. var value Winsize
  128. err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
  129. return &value, err
  130. }
  131. func IoctlGetTermios(fd int, req uint) (*Termios, error) {
  132. var value Termios
  133. err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
  134. return &value, err
  135. }
  136. //sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
  137. func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
  138. if len(fds) == 0 {
  139. return ppoll(nil, 0, timeout, sigmask)
  140. }
  141. return ppoll(&fds[0], len(fds), timeout, sigmask)
  142. }
  143. func Uname(uname *Utsname) error {
  144. mib := []_C_int{CTL_KERN, KERN_OSTYPE}
  145. n := unsafe.Sizeof(uname.Sysname)
  146. if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
  147. return err
  148. }
  149. mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
  150. n = unsafe.Sizeof(uname.Nodename)
  151. if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
  152. return err
  153. }
  154. mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
  155. n = unsafe.Sizeof(uname.Release)
  156. if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
  157. return err
  158. }
  159. mib = []_C_int{CTL_KERN, KERN_VERSION}
  160. n = unsafe.Sizeof(uname.Version)
  161. if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
  162. return err
  163. }
  164. // The version might have newlines or tabs in it, convert them to
  165. // spaces.
  166. for i, b := range uname.Version {
  167. if b == '\n' || b == '\t' {
  168. if i == len(uname.Version)-1 {
  169. uname.Version[i] = 0
  170. } else {
  171. uname.Version[i] = ' '
  172. }
  173. }
  174. }
  175. mib = []_C_int{CTL_HW, HW_MACHINE}
  176. n = unsafe.Sizeof(uname.Machine)
  177. if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
  178. return err
  179. }
  180. return nil
  181. }
  182. /*
  183. * Exposed directly
  184. */
  185. //sys Access(path string, mode uint32) (err error)
  186. //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
  187. //sys Chdir(path string) (err error)
  188. //sys Chflags(path string, flags int) (err error)
  189. //sys Chmod(path string, mode uint32) (err error)
  190. //sys Chown(path string, uid int, gid int) (err error)
  191. //sys Chroot(path string) (err error)
  192. //sys Close(fd int) (err error)
  193. //sys Dup(fd int) (nfd int, err error)
  194. //sys Dup2(from int, to int) (err error)
  195. //sys Exit(code int)
  196. //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
  197. //sys Fchdir(fd int) (err error)
  198. //sys Fchflags(fd int, flags int) (err error)
  199. //sys Fchmod(fd int, mode uint32) (err error)
  200. //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
  201. //sys Fchown(fd int, uid int, gid int) (err error)
  202. //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
  203. //sys Flock(fd int, how int) (err error)
  204. //sys Fpathconf(fd int, name int) (val int, err error)
  205. //sys Fstat(fd int, stat *Stat_t) (err error)
  206. //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
  207. //sys Fstatfs(fd int, stat *Statfs_t) (err error)
  208. //sys Fsync(fd int) (err error)
  209. //sys Ftruncate(fd int, length int64) (err error)
  210. //sysnb Getegid() (egid int)
  211. //sysnb Geteuid() (uid int)
  212. //sysnb Getgid() (gid int)
  213. //sysnb Getpgid(pid int) (pgid int, err error)
  214. //sysnb Getpgrp() (pgrp int)
  215. //sysnb Getpid() (pid int)
  216. //sysnb Getppid() (ppid int)
  217. //sys Getpriority(which int, who int) (prio int, err error)
  218. //sysnb Getrlimit(which int, lim *Rlimit) (err error)
  219. //sysnb Getrtable() (rtable int, err error)
  220. //sysnb Getrusage(who int, rusage *Rusage) (err error)
  221. //sysnb Getsid(pid int) (sid int, err error)
  222. //sysnb Gettimeofday(tv *Timeval) (err error)
  223. //sysnb Getuid() (uid int)
  224. //sys Issetugid() (tainted bool)
  225. //sys Kill(pid int, signum syscall.Signal) (err error)
  226. //sys Kqueue() (fd int, err error)
  227. //sys Lchown(path string, uid int, gid int) (err error)
  228. //sys Link(path string, link string) (err error)
  229. //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
  230. //sys Listen(s int, backlog int) (err error)
  231. //sys Lstat(path string, stat *Stat_t) (err error)
  232. //sys Mkdir(path string, mode uint32) (err error)
  233. //sys Mkdirat(dirfd int, path string, mode uint32) (err error)
  234. //sys Mkfifo(path string, mode uint32) (err error)
  235. //sys Mkfifoat(dirfd int, path string, mode uint32) (err error)
  236. //sys Mknod(path string, mode uint32, dev int) (err error)
  237. //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
  238. //sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
  239. //sys Open(path string, mode int, perm uint32) (fd int, err error)
  240. //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
  241. //sys Pathconf(path string, name int) (val int, err error)
  242. //sys Pread(fd int, p []byte, offset int64) (n int, err error)
  243. //sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
  244. //sys read(fd int, p []byte) (n int, err error)
  245. //sys Readlink(path string, buf []byte) (n int, err error)
  246. //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
  247. //sys Rename(from string, to string) (err error)
  248. //sys Renameat(fromfd int, from string, tofd int, to string) (err error)
  249. //sys Revoke(path string) (err error)
  250. //sys Rmdir(path string) (err error)
  251. //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
  252. //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
  253. //sysnb Setegid(egid int) (err error)
  254. //sysnb Seteuid(euid int) (err error)
  255. //sysnb Setgid(gid int) (err error)
  256. //sys Setlogin(name string) (err error)
  257. //sysnb Setpgid(pid int, pgid int) (err error)
  258. //sys Setpriority(which int, who int, prio int) (err error)
  259. //sysnb Setregid(rgid int, egid int) (err error)
  260. //sysnb Setreuid(ruid int, euid int) (err error)
  261. //sysnb Setresgid(rgid int, egid int, sgid int) (err error)
  262. //sysnb Setresuid(ruid int, euid int, suid int) (err error)
  263. //sysnb Setrlimit(which int, lim *Rlimit) (err error)
  264. //sysnb Setrtable(rtable int) (err error)
  265. //sysnb Setsid() (pid int, err error)
  266. //sysnb Settimeofday(tp *Timeval) (err error)
  267. //sysnb Setuid(uid int) (err error)
  268. //sys Stat(path string, stat *Stat_t) (err error)
  269. //sys Statfs(path string, stat *Statfs_t) (err error)
  270. //sys Symlink(path string, link string) (err error)
  271. //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
  272. //sys Sync() (err error)
  273. //sys Truncate(path string, length int64) (err error)
  274. //sys Umask(newmask int) (oldmask int)
  275. //sys Unlink(path string) (err error)
  276. //sys Unlinkat(dirfd int, path string, flags int) (err error)
  277. //sys Unmount(path string, flags int) (err error)
  278. //sys write(fd int, p []byte) (n int, err error)
  279. //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
  280. //sys munmap(addr uintptr, length uintptr) (err error)
  281. //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
  282. //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
  283. //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
  284. /*
  285. * Unimplemented
  286. */
  287. // __getcwd
  288. // __semctl
  289. // __syscall
  290. // __sysctl
  291. // adjfreq
  292. // break
  293. // clock_getres
  294. // clock_gettime
  295. // clock_settime
  296. // closefrom
  297. // execve
  298. // fcntl
  299. // fhopen
  300. // fhstat
  301. // fhstatfs
  302. // fork
  303. // futimens
  304. // getfh
  305. // getgid
  306. // getitimer
  307. // getlogin
  308. // getresgid
  309. // getresuid
  310. // getthrid
  311. // ktrace
  312. // lfs_bmapv
  313. // lfs_markv
  314. // lfs_segclean
  315. // lfs_segwait
  316. // mincore
  317. // minherit
  318. // mount
  319. // mquery
  320. // msgctl
  321. // msgget
  322. // msgrcv
  323. // msgsnd
  324. // nfssvc
  325. // nnpfspioctl
  326. // preadv
  327. // profil
  328. // pwritev
  329. // quotactl
  330. // readv
  331. // reboot
  332. // renameat
  333. // rfork
  334. // sched_yield
  335. // semget
  336. // semop
  337. // setgroups
  338. // setitimer
  339. // setsockopt
  340. // shmat
  341. // shmctl
  342. // shmdt
  343. // shmget
  344. // sigaction
  345. // sigaltstack
  346. // sigpending
  347. // sigprocmask
  348. // sigreturn
  349. // sigsuspend
  350. // sysarch
  351. // syscall
  352. // threxit
  353. // thrsigdivert
  354. // thrsleep
  355. // thrwakeup
  356. // vfork
  357. // writev