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Source file src/syscall/syscall_openbsd.go

Documentation: syscall

  // 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 syscall
  import "unsafe"
  type SockaddrDatalink struct {
  	Len    uint8
  	Family uint8
  	Index  uint16
  	Type   uint8
  	Nlen   uint8
  	Alen   uint8
  	Slen   uint8
  	Data   [24]int8
  	raw    RawSockaddrDatalink
  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
  func nametomib(name string) (mib []_C_int, err error) {
  	// Perform lookup via a binary search
  	left := 0
  	right := len(sysctlMib) - 1
  	for {
  		idx := left + (right-left)/2
  		switch {
  		case name == sysctlMib[idx].ctlname:
  			return sysctlMib[idx].ctloid, nil
  		case name > sysctlMib[idx].ctlname:
  			left = idx + 1
  			right = idx - 1
  		if left > right {
  	return nil, EINVAL
  func direntIno(buf []byte) (uint64, bool) {
  	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
  func direntReclen(buf []byte) (uint64, bool) {
  	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
  func direntNamlen(buf []byte) (uint64, bool) {
  	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
  func Pipe(p []int) error {
  	return Pipe2(p, 0)
  //sysnb pipe2(p *[2]_C_int, flags int) (err error)
  func Pipe2(p []int, flags int) error {
  	if len(p) != 2 {
  		return EINVAL
  	var pp [2]_C_int
  	err := pipe2(&pp, flags)
  	p[0] = int(pp[0])
  	p[1] = int(pp[1])
  	return err
  //sys	accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error)
  func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
  	var rsa RawSockaddrAny
  	var len _Socklen = SizeofSockaddrAny
  	nfd, err = accept4(fd, &rsa, &len, flags)
  	if err != nil {
  	if len > SizeofSockaddrAny {
  		panic("RawSockaddrAny too small")
  	sa, err = anyToSockaddr(&rsa)
  	if err != nil {
  		nfd = 0
  //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)
  // TODO, see golang.org/issue/5847
  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
  func setattrlistTimes(path string, times []Timespec) error {
  	// used on Darwin for UtimesNano
  	return ENOSYS
   * 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	Fchdir(fd int) (err error)
  //sys	Fchflags(fd int, flags int) (err error)
  //sys	Fchmod(fd int, mode uint32) (err error)
  //sys	Fchown(fd int, uid int, gid 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	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	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 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	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	Mkfifo(path string, mode uint32) (err error)
  //sys	Mknod(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	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	Rename(from string, 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	Setrlimit(which int, lim *Rlimit) (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	Sync() (err error)
  //sys	Truncate(path string, length int64) (err error)
  //sys	Umask(newmask int) (oldmask int)
  //sys	Unlink(path string) (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, flag int) (err error)
  //sys	getcwd(buf []byte) (n int, err error) = SYS___GETCWD

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