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 anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
35
return nil, EAFNOSUPPORT
38
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
40
func nametomib(name string) (mib []_C_int, err error) {
41
i := sort.Search(len(sysctlMib), func(i int) bool {
42
return sysctlMib[i].ctlname >= name
44
if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
45
return sysctlMib[i].ctloid, nil
50
func direntIno(buf []byte) (uint64, bool) {
51
return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
54
func direntReclen(buf []byte) (uint64, bool) {
55
return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
58
func direntNamlen(buf []byte) (uint64, bool) {
59
return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
62
func SysctlUvmexp(name string) (*Uvmexp, error) {
63
mib, err := sysctlmib(name)
68
n := uintptr(SizeofUvmexp)
70
if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
73
if n != SizeofUvmexp {
79
func Pipe(p []int) (err error) {
83
//sysnb pipe2(p *[2]_C_int, flags int) (err error)
85
func Pipe2(p []int, flags int) error {
90
err := pipe2(&pp, flags)
98
//sys Getdents(fd int, buf []byte) (n int, err error)
100
func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
101
n, err = Getdents(fd, buf)
102
if err != nil || basep == nil {
107
off, err = Seek(fd, 0, 1 /* SEEK_CUR */)
112
*basep = uintptr(off)
113
if unsafe.Sizeof(*basep) == 8 {
117
// We can't stuff the offset back into a uintptr, so any
118
// future calls would be suspect. Generate an error.
119
// EIO was allowed by getdirentries.
125
//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
127
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
129
raceReleaseMerge(unsafe.Pointer(&ioSync))
131
return sendfile(outfd, infd, offset, count)
135
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
139
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
140
var _p0 unsafe.Pointer
143
_p0 = unsafe.Pointer(&buf[0])
144
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
146
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
154
//sys ioctl(fd int, req uint, arg uintptr) (err error)
155
//sys ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL
157
//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
159
//sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
161
func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
163
return ppoll(nil, 0, timeout, sigmask)
165
return ppoll(&fds[0], len(fds), timeout, sigmask)
168
func Uname(uname *Utsname) error {
169
mib := []_C_int{CTL_KERN, KERN_OSTYPE}
170
n := unsafe.Sizeof(uname.Sysname)
171
if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
175
mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
176
n = unsafe.Sizeof(uname.Nodename)
177
if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
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 {
187
mib = []_C_int{CTL_KERN, KERN_VERSION}
188
n = unsafe.Sizeof(uname.Version)
189
if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
193
// The version might have newlines or tabs in it, convert them to
195
for i, b := range uname.Version {
196
if b == '\n' || b == '\t' {
197
if i == len(uname.Version)-1 {
200
uname.Version[i] = ' '
205
mib = []_C_int{CTL_HW, HW_MACHINE}
206
n = unsafe.Sizeof(uname.Machine)
207
if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
217
//sys Access(path string, mode uint32) (err error)
218
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
219
//sys Chdir(path string) (err error)
220
//sys Chflags(path string, flags int) (err error)
221
//sys Chmod(path string, mode uint32) (err error)
222
//sys Chown(path string, uid int, gid int) (err error)
223
//sys Chroot(path string) (err error)
224
//sys ClockGettime(clockid int32, time *Timespec) (err error)
225
//sys Close(fd int) (err error)
226
//sys Dup(fd int) (nfd int, err error)
227
//sys Dup2(from int, to int) (err error)
228
//sys Dup3(from int, to int, flags int) (err error)
230
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
231
//sys Fchdir(fd int) (err error)
232
//sys Fchflags(fd int, flags int) (err error)
233
//sys Fchmod(fd int, mode uint32) (err error)
234
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
235
//sys Fchown(fd int, uid int, gid int) (err error)
236
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
237
//sys Flock(fd int, how int) (err error)
238
//sys Fpathconf(fd int, name int) (val int, err error)
239
//sys Fstat(fd int, stat *Stat_t) (err error)
240
//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
241
//sys Fstatfs(fd int, stat *Statfs_t) (err error)
242
//sys Fsync(fd int) (err error)
243
//sys Ftruncate(fd int, length int64) (err error)
244
//sysnb Getegid() (egid int)
245
//sysnb Geteuid() (uid int)
246
//sysnb Getgid() (gid int)
247
//sysnb Getpgid(pid int) (pgid int, err error)
248
//sysnb Getpgrp() (pgrp int)
249
//sysnb Getpid() (pid int)
250
//sysnb Getppid() (ppid int)
251
//sys Getpriority(which int, who int) (prio int, err error)
252
//sysnb Getrlimit(which int, lim *Rlimit) (err error)
253
//sysnb Getrtable() (rtable int, err error)
254
//sysnb Getrusage(who int, rusage *Rusage) (err error)
255
//sysnb Getsid(pid int) (sid int, err error)
256
//sysnb Gettimeofday(tv *Timeval) (err error)
257
//sysnb Getuid() (uid int)
258
//sys Issetugid() (tainted bool)
259
//sys Kill(pid int, signum syscall.Signal) (err error)
260
//sys Kqueue() (fd int, err error)
261
//sys Lchown(path string, uid int, gid int) (err error)
262
//sys Link(path string, link string) (err error)
263
//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
264
//sys Listen(s int, backlog int) (err error)
265
//sys Lstat(path string, stat *Stat_t) (err error)
266
//sys Mkdir(path string, mode uint32) (err error)
267
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
268
//sys Mkfifo(path string, mode uint32) (err error)
269
//sys Mkfifoat(dirfd int, path string, mode uint32) (err error)
270
//sys Mknod(path string, mode uint32, dev int) (err error)
271
//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
272
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
273
//sys Open(path string, mode int, perm uint32) (fd int, err error)
274
//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
275
//sys Pathconf(path string, name int) (val int, err error)
276
//sys pread(fd int, p []byte, offset int64) (n int, err error)
277
//sys pwrite(fd int, p []byte, offset int64) (n int, err error)
278
//sys read(fd int, p []byte) (n int, err error)
279
//sys Readlink(path string, buf []byte) (n int, err error)
280
//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
281
//sys Rename(from string, to string) (err error)
282
//sys Renameat(fromfd int, from string, tofd int, to string) (err error)
283
//sys Revoke(path string) (err error)
284
//sys Rmdir(path string) (err error)
285
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
286
//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
287
//sysnb Setegid(egid int) (err error)
288
//sysnb Seteuid(euid int) (err error)
289
//sysnb Setgid(gid int) (err error)
290
//sys Setlogin(name string) (err error)
291
//sysnb Setpgid(pid int, pgid int) (err error)
292
//sys Setpriority(which int, who int, prio int) (err error)
293
//sysnb Setregid(rgid int, egid int) (err error)
294
//sysnb Setreuid(ruid int, euid int) (err error)
295
//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
296
//sysnb Setresuid(ruid int, euid int, suid int) (err error)
297
//sysnb Setrtable(rtable int) (err error)
298
//sysnb Setsid() (pid int, err error)
299
//sysnb Settimeofday(tp *Timeval) (err error)
300
//sysnb Setuid(uid int) (err error)
301
//sys Stat(path string, stat *Stat_t) (err error)
302
//sys Statfs(path string, stat *Statfs_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)