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.
5 // OpenBSD 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.
21 // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
22 type SockaddrDatalink struct {
31 raw RawSockaddrDatalink
34 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
36 func nametomib(name string) (mib []_C_int, err error) {
37 i := sort.Search(len(sysctlMib), func(i int) bool {
38 return sysctlMib[i].ctlname >= name
40 if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
41 return sysctlMib[i].ctloid, nil
46 func SysctlClockinfo(name string) (*Clockinfo, error) {
47 mib, err := sysctlmib(name)
52 n := uintptr(SizeofClockinfo)
54 if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
57 if n != SizeofClockinfo {
63 func SysctlUvmexp(name string) (*Uvmexp, error) {
64 mib, err := sysctlmib(name)
69 n := uintptr(SizeofUvmexp)
71 if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
74 if n != SizeofUvmexp {
80 //sysnb pipe(p *[2]_C_int) (err error)
81 func Pipe(p []int) (err error) {
92 //sys getdents(fd int, buf []byte) (n int, err error)
93 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
94 return getdents(fd, buf)
97 const ImplementsGetwd = true
99 //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
101 func Getwd() (string, error) {
102 var buf [PathMax]byte
103 _, err := Getcwd(buf[0:])
111 return string(buf[:n]), nil
114 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
116 raceReleaseMerge(unsafe.Pointer(&ioSync))
118 return sendfile(outfd, infd, offset, count)
122 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
126 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
127 var _p0 unsafe.Pointer
130 _p0 = unsafe.Pointer(&buf[0])
131 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
133 r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
141 func setattrlistTimes(path string, times []Timespec, flags int) error {
142 // used on Darwin for UtimesNano
146 //sys ioctl(fd int, req uint, arg uintptr) (err error)
148 // ioctl itself should not be exposed directly, but additional get/set
149 // functions for specific types are permissible.
151 // IoctlSetInt performs an ioctl operation which sets an integer value
152 // on fd, using the specified request number.
153 func IoctlSetInt(fd int, req uint, value int) error {
154 return ioctl(fd, req, uintptr(value))
157 func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
158 return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
161 func ioctlSetTermios(fd int, req uint, value *Termios) error {
162 return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
165 // IoctlGetInt performs an ioctl operation which gets an integer value
166 // from fd, using the specified request number.
167 func IoctlGetInt(fd int, req uint) (int, error) {
169 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
173 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
175 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
179 func IoctlGetTermios(fd int, req uint) (*Termios, error) {
181 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
185 //sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
187 func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
189 return ppoll(nil, 0, timeout, sigmask)
191 return ppoll(&fds[0], len(fds), timeout, sigmask)
194 func Uname(uname *Utsname) error {
195 mib := []_C_int{CTL_KERN, KERN_OSTYPE}
196 n := unsafe.Sizeof(uname.Sysname)
197 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
201 mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
202 n = unsafe.Sizeof(uname.Nodename)
203 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
207 mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
208 n = unsafe.Sizeof(uname.Release)
209 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
213 mib = []_C_int{CTL_KERN, KERN_VERSION}
214 n = unsafe.Sizeof(uname.Version)
215 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
219 // The version might have newlines or tabs in it, convert them to
221 for i, b := range uname.Version {
222 if b == '\n' || b == '\t' {
223 if i == len(uname.Version)-1 {
226 uname.Version[i] = ' '
231 mib = []_C_int{CTL_HW, HW_MACHINE}
232 n = unsafe.Sizeof(uname.Machine)
233 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
243 //sys Access(path string, mode uint32) (err error)
244 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
245 //sys Chdir(path string) (err error)
246 //sys Chflags(path string, flags int) (err error)
247 //sys Chmod(path string, mode uint32) (err error)
248 //sys Chown(path string, uid int, gid int) (err error)
249 //sys Chroot(path string) (err error)
250 //sys Close(fd int) (err error)
251 //sys Dup(fd int) (nfd int, err error)
252 //sys Dup2(from int, to int) (err error)
254 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
255 //sys Fchdir(fd int) (err error)
256 //sys Fchflags(fd int, flags int) (err error)
257 //sys Fchmod(fd int, mode uint32) (err error)
258 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
259 //sys Fchown(fd int, uid int, gid int) (err error)
260 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
261 //sys Flock(fd int, how int) (err error)
262 //sys Fpathconf(fd int, name int) (val int, err error)
263 //sys Fstat(fd int, stat *Stat_t) (err error)
264 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
265 //sys Fstatfs(fd int, stat *Statfs_t) (err error)
266 //sys Fsync(fd int) (err error)
267 //sys Ftruncate(fd int, length int64) (err error)
268 //sysnb Getegid() (egid int)
269 //sysnb Geteuid() (uid int)
270 //sysnb Getgid() (gid int)
271 //sysnb Getpgid(pid int) (pgid int, err error)
272 //sysnb Getpgrp() (pgrp int)
273 //sysnb Getpid() (pid int)
274 //sysnb Getppid() (ppid int)
275 //sys Getpriority(which int, who int) (prio int, err error)
276 //sysnb Getrlimit(which int, lim *Rlimit) (err error)
277 //sysnb Getrtable() (rtable int, err error)
278 //sysnb Getrusage(who int, rusage *Rusage) (err error)
279 //sysnb Getsid(pid int) (sid int, err error)
280 //sysnb Gettimeofday(tv *Timeval) (err error)
281 //sysnb Getuid() (uid int)
282 //sys Issetugid() (tainted bool)
283 //sys Kill(pid int, signum syscall.Signal) (err error)
284 //sys Kqueue() (fd int, err error)
285 //sys Lchown(path string, uid int, gid int) (err error)
286 //sys Link(path string, link string) (err error)
287 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
288 //sys Listen(s int, backlog int) (err error)
289 //sys Lstat(path string, stat *Stat_t) (err error)
290 //sys Mkdir(path string, mode uint32) (err error)
291 //sys Mkdirat(dirfd int, path string, mode uint32) (err error)
292 //sys Mkfifo(path string, mode uint32) (err error)
293 //sys Mkfifoat(dirfd int, path string, mode uint32) (err error)
294 //sys Mknod(path string, mode uint32, dev int) (err error)
295 //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
296 //sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
297 //sys Open(path string, mode int, perm uint32) (fd int, err error)
298 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
299 //sys Pathconf(path string, name int) (val int, err error)
300 //sys Pread(fd int, p []byte, offset int64) (n int, err error)
301 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
302 //sys read(fd int, p []byte) (n int, err error)
303 //sys Readlink(path string, buf []byte) (n int, err error)
304 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
305 //sys Rename(from string, to string) (err error)
306 //sys Renameat(fromfd int, from string, tofd int, to string) (err error)
307 //sys Revoke(path string) (err error)
308 //sys Rmdir(path string) (err error)
309 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
310 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
311 //sysnb Setegid(egid int) (err error)
312 //sysnb Seteuid(euid int) (err error)
313 //sysnb Setgid(gid int) (err error)
314 //sys Setlogin(name string) (err error)
315 //sysnb Setpgid(pid int, pgid int) (err error)
316 //sys Setpriority(which int, who int, prio int) (err error)
317 //sysnb Setregid(rgid int, egid int) (err error)
318 //sysnb Setreuid(ruid int, euid int) (err error)
319 //sysnb Setresgid(rgid int, egid int, sgid int) (err error)
320 //sysnb Setresuid(ruid int, euid int, suid int) (err error)
321 //sysnb Setrlimit(which int, lim *Rlimit) (err error)
322 //sysnb Setrtable(rtable int) (err error)
323 //sysnb Setsid() (pid int, err error)
324 //sysnb Settimeofday(tp *Timeval) (err error)
325 //sysnb Setuid(uid int) (err error)
326 //sys Stat(path string, stat *Stat_t) (err error)
327 //sys Statfs(path string, stat *Statfs_t) (err error)
328 //sys Symlink(path string, link string) (err error)
329 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
330 //sys Sync() (err error)
331 //sys Truncate(path string, length int64) (err error)
332 //sys Umask(newmask int) (oldmask int)
333 //sys Unlink(path string) (err error)
334 //sys Unlinkat(dirfd int, path string, flags int) (err error)
335 //sys Unmount(path string, flags int) (err error)
336 //sys write(fd int, p []byte) (n int, err error)
337 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
338 //sys munmap(addr uintptr, length uintptr) (err error)
339 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
340 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
341 //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)