417 lines
12 KiB
Go
417 lines
12 KiB
Go
// Copyright 2009,2010 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// OpenBSD system calls.
|
|
// This file is compiled as ordinary Go code,
|
|
// but it is also input to mksyscall,
|
|
// which parses the //sys lines and generates system call stubs.
|
|
// Note that sometimes we use a lowercase //sys name and wrap
|
|
// it in our own nicer implementation, either here or in
|
|
// syscall_bsd.go or syscall_unix.go.
|
|
|
|
package unix
|
|
|
|
import (
|
|
"sort"
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
|
|
type SockaddrDatalink struct {
|
|
Len uint8
|
|
Family uint8
|
|
Index uint16
|
|
Type uint8
|
|
Nlen uint8
|
|
Alen uint8
|
|
Slen uint8
|
|
Data [24]int8
|
|
raw RawSockaddrDatalink
|
|
}
|
|
|
|
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
|
|
|
|
func nametomib(name string) (mib []_C_int, err error) {
|
|
i := sort.Search(len(sysctlMib), func(i int) bool {
|
|
return sysctlMib[i].ctlname >= name
|
|
})
|
|
if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
|
|
return sysctlMib[i].ctloid, nil
|
|
}
|
|
return nil, EINVAL
|
|
}
|
|
|
|
func SysctlClockinfo(name string) (*Clockinfo, error) {
|
|
mib, err := sysctlmib(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
n := uintptr(SizeofClockinfo)
|
|
var ci Clockinfo
|
|
if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
|
|
return nil, err
|
|
}
|
|
if n != SizeofClockinfo {
|
|
return nil, EIO
|
|
}
|
|
return &ci, nil
|
|
}
|
|
|
|
func SysctlUvmexp(name string) (*Uvmexp, error) {
|
|
mib, err := sysctlmib(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
n := uintptr(SizeofUvmexp)
|
|
var u Uvmexp
|
|
if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
|
|
return nil, err
|
|
}
|
|
if n != SizeofUvmexp {
|
|
return nil, EIO
|
|
}
|
|
return &u, nil
|
|
}
|
|
|
|
//sysnb pipe(p *[2]_C_int) (err error)
|
|
func Pipe(p []int) (err error) {
|
|
if len(p) != 2 {
|
|
return EINVAL
|
|
}
|
|
var pp [2]_C_int
|
|
err = pipe(&pp)
|
|
p[0] = int(pp[0])
|
|
p[1] = int(pp[1])
|
|
return
|
|
}
|
|
|
|
//sys getdents(fd int, buf []byte) (n int, err error)
|
|
func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
|
|
return getdents(fd, buf)
|
|
}
|
|
|
|
const ImplementsGetwd = true
|
|
|
|
//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
|
|
|
|
func Getwd() (string, error) {
|
|
var buf [PathMax]byte
|
|
_, err := Getcwd(buf[0:])
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
n := clen(buf[:])
|
|
if n < 1 {
|
|
return "", EINVAL
|
|
}
|
|
return string(buf[:n]), nil
|
|
}
|
|
|
|
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
|
|
if raceenabled {
|
|
raceReleaseMerge(unsafe.Pointer(&ioSync))
|
|
}
|
|
return sendfile(outfd, infd, offset, count)
|
|
}
|
|
|
|
// TODO
|
|
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
|
|
return -1, ENOSYS
|
|
}
|
|
|
|
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
|
|
var _p0 unsafe.Pointer
|
|
var bufsize uintptr
|
|
if len(buf) > 0 {
|
|
_p0 = unsafe.Pointer(&buf[0])
|
|
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
|
|
}
|
|
r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
|
|
n = int(r0)
|
|
if e1 != 0 {
|
|
err = e1
|
|
}
|
|
return
|
|
}
|
|
|
|
func setattrlistTimes(path string, times []Timespec, flags int) error {
|
|
// used on Darwin for UtimesNano
|
|
return ENOSYS
|
|
}
|
|
|
|
//sys ioctl(fd int, req uint, arg uintptr) (err error)
|
|
|
|
// ioctl itself should not be exposed directly, but additional get/set
|
|
// functions for specific types are permissible.
|
|
|
|
// IoctlSetInt performs an ioctl operation which sets an integer value
|
|
// on fd, using the specified request number.
|
|
func IoctlSetInt(fd int, req uint, value int) error {
|
|
return ioctl(fd, req, uintptr(value))
|
|
}
|
|
|
|
func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
|
|
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
|
|
}
|
|
|
|
func ioctlSetTermios(fd int, req uint, value *Termios) error {
|
|
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
|
|
}
|
|
|
|
// IoctlGetInt performs an ioctl operation which gets an integer value
|
|
// from fd, using the specified request number.
|
|
func IoctlGetInt(fd int, req uint) (int, error) {
|
|
var value int
|
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
|
|
return value, err
|
|
}
|
|
|
|
func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
|
|
var value Winsize
|
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
|
|
return &value, err
|
|
}
|
|
|
|
func IoctlGetTermios(fd int, req uint) (*Termios, error) {
|
|
var value Termios
|
|
err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
|
|
return &value, err
|
|
}
|
|
|
|
//sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
|
|
|
|
func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
|
|
if len(fds) == 0 {
|
|
return ppoll(nil, 0, timeout, sigmask)
|
|
}
|
|
return ppoll(&fds[0], len(fds), timeout, sigmask)
|
|
}
|
|
|
|
func Uname(uname *Utsname) error {
|
|
mib := []_C_int{CTL_KERN, KERN_OSTYPE}
|
|
n := unsafe.Sizeof(uname.Sysname)
|
|
if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
|
|
return err
|
|
}
|
|
|
|
mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
|
|
n = unsafe.Sizeof(uname.Nodename)
|
|
if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
|
|
return err
|
|
}
|
|
|
|
mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
|
|
n = unsafe.Sizeof(uname.Release)
|
|
if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
|
|
return err
|
|
}
|
|
|
|
mib = []_C_int{CTL_KERN, KERN_VERSION}
|
|
n = unsafe.Sizeof(uname.Version)
|
|
if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
|
|
return err
|
|
}
|
|
|
|
// The version might have newlines or tabs in it, convert them to
|
|
// spaces.
|
|
for i, b := range uname.Version {
|
|
if b == '\n' || b == '\t' {
|
|
if i == len(uname.Version)-1 {
|
|
uname.Version[i] = 0
|
|
} else {
|
|
uname.Version[i] = ' '
|
|
}
|
|
}
|
|
}
|
|
|
|
mib = []_C_int{CTL_HW, HW_MACHINE}
|
|
n = unsafe.Sizeof(uname.Machine)
|
|
if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
/*
|
|
* Exposed directly
|
|
*/
|
|
//sys Access(path string, mode uint32) (err error)
|
|
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
|
|
//sys Chdir(path string) (err error)
|
|
//sys Chflags(path string, flags int) (err error)
|
|
//sys Chmod(path string, mode uint32) (err error)
|
|
//sys Chown(path string, uid int, gid int) (err error)
|
|
//sys Chroot(path string) (err error)
|
|
//sys Close(fd int) (err error)
|
|
//sys Dup(fd int) (nfd int, err error)
|
|
//sys Dup2(from int, to int) (err error)
|
|
//sys Exit(code int)
|
|
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
|
|
//sys Fchdir(fd int) (err error)
|
|
//sys Fchflags(fd int, flags int) (err error)
|
|
//sys Fchmod(fd int, mode uint32) (err error)
|
|
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
|
|
//sys Fchown(fd int, uid int, gid int) (err error)
|
|
//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
|
|
//sys Flock(fd int, how int) (err error)
|
|
//sys Fpathconf(fd int, name int) (val int, err error)
|
|
//sys Fstat(fd int, stat *Stat_t) (err error)
|
|
//sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
|
|
//sys Fstatfs(fd int, stat *Statfs_t) (err error)
|
|
//sys Fsync(fd int) (err error)
|
|
//sys Ftruncate(fd int, length int64) (err error)
|
|
//sysnb Getegid() (egid int)
|
|
//sysnb Geteuid() (uid int)
|
|
//sysnb Getgid() (gid int)
|
|
//sysnb Getpgid(pid int) (pgid int, err error)
|
|
//sysnb Getpgrp() (pgrp int)
|
|
//sysnb Getpid() (pid int)
|
|
//sysnb Getppid() (ppid int)
|
|
//sys Getpriority(which int, who int) (prio int, err error)
|
|
//sysnb Getrlimit(which int, lim *Rlimit) (err error)
|
|
//sysnb Getrtable() (rtable int, err error)
|
|
//sysnb Getrusage(who int, rusage *Rusage) (err error)
|
|
//sysnb Getsid(pid int) (sid int, err error)
|
|
//sysnb Gettimeofday(tv *Timeval) (err error)
|
|
//sysnb Getuid() (uid int)
|
|
//sys Issetugid() (tainted bool)
|
|
//sys Kill(pid int, signum syscall.Signal) (err error)
|
|
//sys Kqueue() (fd int, err error)
|
|
//sys Lchown(path string, uid int, gid int) (err error)
|
|
//sys Link(path string, link string) (err error)
|
|
//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
|
|
//sys Listen(s int, backlog int) (err error)
|
|
//sys Lstat(path string, stat *Stat_t) (err error)
|
|
//sys Mkdir(path string, mode uint32) (err error)
|
|
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
|
|
//sys Mkfifo(path string, mode uint32) (err error)
|
|
//sys Mkfifoat(dirfd int, path string, mode uint32) (err error)
|
|
//sys Mknod(path string, mode uint32, dev int) (err error)
|
|
//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
|
|
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
|
|
//sys Open(path string, mode int, perm uint32) (fd int, err error)
|
|
//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
|
|
//sys Pathconf(path string, name int) (val int, err error)
|
|
//sys Pread(fd int, p []byte, offset int64) (n int, err error)
|
|
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
|
|
//sys read(fd int, p []byte) (n int, err error)
|
|
//sys Readlink(path string, buf []byte) (n int, err error)
|
|
//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
|
|
//sys Rename(from string, to string) (err error)
|
|
//sys Renameat(fromfd int, from string, tofd int, to string) (err error)
|
|
//sys Revoke(path string) (err error)
|
|
//sys Rmdir(path string) (err error)
|
|
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
|
|
//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
|
|
//sysnb Setegid(egid int) (err error)
|
|
//sysnb Seteuid(euid int) (err error)
|
|
//sysnb Setgid(gid int) (err error)
|
|
//sys Setlogin(name string) (err error)
|
|
//sysnb Setpgid(pid int, pgid int) (err error)
|
|
//sys Setpriority(which int, who int, prio int) (err error)
|
|
//sysnb Setregid(rgid int, egid int) (err error)
|
|
//sysnb Setreuid(ruid int, euid int) (err error)
|
|
//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
|
|
//sysnb Setresuid(ruid int, euid int, suid int) (err error)
|
|
//sysnb Setrlimit(which int, lim *Rlimit) (err error)
|
|
//sysnb Setrtable(rtable int) (err error)
|
|
//sysnb Setsid() (pid int, err error)
|
|
//sysnb Settimeofday(tp *Timeval) (err error)
|
|
//sysnb Setuid(uid int) (err error)
|
|
//sys Stat(path string, stat *Stat_t) (err error)
|
|
//sys Statfs(path string, stat *Statfs_t) (err error)
|
|
//sys Symlink(path string, link string) (err error)
|
|
//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
|
|
//sys Sync() (err error)
|
|
//sys Truncate(path string, length int64) (err error)
|
|
//sys Umask(newmask int) (oldmask int)
|
|
//sys Unlink(path string) (err error)
|
|
//sys Unlinkat(dirfd int, path string, flags int) (err error)
|
|
//sys Unmount(path string, flags int) (err error)
|
|
//sys write(fd int, p []byte) (n int, err error)
|
|
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
|
|
//sys munmap(addr uintptr, length uintptr) (err error)
|
|
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
|
|
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
|
|
//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
|
|
|
|
/*
|
|
* Unimplemented
|
|
*/
|
|
// __getcwd
|
|
// __semctl
|
|
// __syscall
|
|
// __sysctl
|
|
// adjfreq
|
|
// break
|
|
// clock_getres
|
|
// clock_gettime
|
|
// clock_settime
|
|
// closefrom
|
|
// execve
|
|
// fcntl
|
|
// fhopen
|
|
// fhstat
|
|
// fhstatfs
|
|
// fork
|
|
// futimens
|
|
// getfh
|
|
// getgid
|
|
// getitimer
|
|
// getlogin
|
|
// getresgid
|
|
// getresuid
|
|
// getthrid
|
|
// ktrace
|
|
// lfs_bmapv
|
|
// lfs_markv
|
|
// lfs_segclean
|
|
// lfs_segwait
|
|
// mincore
|
|
// minherit
|
|
// mount
|
|
// mquery
|
|
// msgctl
|
|
// msgget
|
|
// msgrcv
|
|
// msgsnd
|
|
// nfssvc
|
|
// nnpfspioctl
|
|
// preadv
|
|
// profil
|
|
// pwritev
|
|
// quotactl
|
|
// readv
|
|
// reboot
|
|
// renameat
|
|
// rfork
|
|
// sched_yield
|
|
// semget
|
|
// semop
|
|
// setgroups
|
|
// setitimer
|
|
// setsockopt
|
|
// shmat
|
|
// shmctl
|
|
// shmdt
|
|
// shmget
|
|
// sigaction
|
|
// sigaltstack
|
|
// sigpending
|
|
// sigprocmask
|
|
// sigreturn
|
|
// sigsuspend
|
|
// sysarch
|
|
// syscall
|
|
// threxit
|
|
// thrsigdivert
|
|
// thrsleep
|
|
// thrwakeup
|
|
// vfork
|
|
// writev
|