cubefs

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// Copyright 2009,2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// NetBSD system calls.
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// This file is compiled as ordinary Go code,
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// but it is also input to mksyscall,
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// which parses the //sys lines and generates system call stubs.
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// Note that sometimes we use a lowercase //sys name and wrap
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// it in our own nicer implementation, either here or in
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// syscall_bsd.go or syscall_unix.go.
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package unix
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import (
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	"syscall"
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	"unsafe"
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)
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// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
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type SockaddrDatalink struct {
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	Len    uint8
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	Family uint8
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	Index  uint16
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	Type   uint8
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	Nlen   uint8
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	Alen   uint8
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	Slen   uint8
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	Data   [12]int8
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	raw    RawSockaddrDatalink
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}
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func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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	return nil, EAFNOSUPPORT
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}
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func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
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func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
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	var olen uintptr
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	// Get a list of all sysctl nodes below the given MIB by performing
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	// a sysctl for the given MIB with CTL_QUERY appended.
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	mib = append(mib, CTL_QUERY)
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	qnode := Sysctlnode{Flags: SYSCTL_VERS_1}
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	qp := (*byte)(unsafe.Pointer(&qnode))
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	sz := unsafe.Sizeof(qnode)
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	if err = sysctl(mib, nil, &olen, qp, sz); err != nil {
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		return nil, err
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	}
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	// Now that we know the size, get the actual nodes.
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	nodes = make([]Sysctlnode, olen/sz)
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	np := (*byte)(unsafe.Pointer(&nodes[0]))
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	if err = sysctl(mib, np, &olen, qp, sz); err != nil {
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		return nil, err
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	}
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	return nodes, nil
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}
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func nametomib(name string) (mib []_C_int, err error) {
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	// Split name into components.
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	var parts []string
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	last := 0
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	for i := 0; i < len(name); i++ {
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		if name[i] == '.' {
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			parts = append(parts, name[last:i])
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			last = i + 1
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		}
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	}
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	parts = append(parts, name[last:])
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	// Discover the nodes and construct the MIB OID.
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	for partno, part := range parts {
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		nodes, err := sysctlNodes(mib)
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		if err != nil {
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			return nil, err
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		}
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		for _, node := range nodes {
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			n := make([]byte, 0)
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			for i := range node.Name {
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				if node.Name[i] != 0 {
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					n = append(n, byte(node.Name[i]))
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				}
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			}
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			if string(n) == part {
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				mib = append(mib, _C_int(node.Num))
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				break
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			}
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		}
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		if len(mib) != partno+1 {
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			return nil, EINVAL
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		}
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	}
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	return mib, nil
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}
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func direntIno(buf []byte) (uint64, bool) {
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	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
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}
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func direntReclen(buf []byte) (uint64, bool) {
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	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
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}
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func direntNamlen(buf []byte) (uint64, bool) {
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	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
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}
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func SysctlUvmexp(name string) (*Uvmexp, error) {
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	mib, err := sysctlmib(name)
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	if err != nil {
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		return nil, err
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	}
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	n := uintptr(SizeofUvmexp)
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	var u Uvmexp
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	if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
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		return nil, err
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	}
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	return &u, nil
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}
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func Pipe(p []int) (err error) {
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	return Pipe2(p, 0)
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}
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//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
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func Pipe2(p []int, flags int) error {
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	if len(p) != 2 {
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		return EINVAL
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	}
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	var pp [2]_C_int
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	err := pipe2(&pp, flags)
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	if err == nil {
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		p[0] = int(pp[0])
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		p[1] = int(pp[1])
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	}
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	return err
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}
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//sys	Getdents(fd int, buf []byte) (n int, err error)
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func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
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	n, err = Getdents(fd, buf)
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	if err != nil || basep == nil {
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		return
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	}
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	var off int64
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	off, err = Seek(fd, 0, 1 /* SEEK_CUR */)
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	if err != nil {
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		*basep = ^uintptr(0)
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		return
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	}
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	*basep = uintptr(off)
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	if unsafe.Sizeof(*basep) == 8 {
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		return
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	}
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	if off>>32 != 0 {
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		// We can't stuff the offset back into a uintptr, so any
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		// future calls would be suspect. Generate an error.
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		// EIO is allowed by getdirentries.
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		err = EIO
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	}
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	return
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}
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//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
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// TODO
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func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
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	return -1, ENOSYS
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}
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//sys	ioctl(fd int, req uint, arg uintptr) (err error)
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//sys	ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL
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//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
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func IoctlGetPtmget(fd int, req uint) (*Ptmget, error) {
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	var value Ptmget
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	err := ioctlPtr(fd, req, unsafe.Pointer(&value))
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	return &value, err
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}
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func Uname(uname *Utsname) error {
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	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
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	n := unsafe.Sizeof(uname.Sysname)
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	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
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		return err
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	}
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	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
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	n = unsafe.Sizeof(uname.Nodename)
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	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
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		return err
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	}
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	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
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	n = unsafe.Sizeof(uname.Release)
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	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
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		return err
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	}
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	mib = []_C_int{CTL_KERN, KERN_VERSION}
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	n = unsafe.Sizeof(uname.Version)
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	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
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		return err
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	}
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	// The version might have newlines or tabs in it, convert them to
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	// spaces.
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	for i, b := range uname.Version {
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		if b == '\n' || b == '\t' {
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			if i == len(uname.Version)-1 {
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				uname.Version[i] = 0
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			} else {
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				uname.Version[i] = ' '
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			}
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		}
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	}
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	mib = []_C_int{CTL_HW, HW_MACHINE}
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	n = unsafe.Sizeof(uname.Machine)
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	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
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		return err
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	}
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	return nil
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}
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func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
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	if raceenabled {
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		raceReleaseMerge(unsafe.Pointer(&ioSync))
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	}
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	return sendfile(outfd, infd, offset, count)
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}
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func Fstatvfs(fd int, buf *Statvfs_t) (err error) {
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	return Fstatvfs1(fd, buf, ST_WAIT)
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}
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func Statvfs(path string, buf *Statvfs_t) (err error) {
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	return Statvfs1(path, buf, ST_WAIT)
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}
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/*
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 * Exposed directly
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 */
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//sys	Access(path string, mode uint32) (err error)
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//sys	Adjtime(delta *Timeval, olddelta *Timeval) (err error)
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//sys	Chdir(path string) (err error)
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//sys	Chflags(path string, flags int) (err error)
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//sys	Chmod(path string, mode uint32) (err error)
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//sys	Chown(path string, uid int, gid int) (err error)
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//sys	Chroot(path string) (err error)
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//sys	ClockGettime(clockid int32, time *Timespec) (err error)
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//sys	Close(fd int) (err error)
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//sys	Dup(fd int) (nfd int, err error)
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//sys	Dup2(from int, to int) (err error)
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//sys	Dup3(from int, to int, flags int) (err error)
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//sys	Exit(code int)
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//sys	ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error)
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//sys	ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error)
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//sys	ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
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//sys	ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
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//sys	ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
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//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
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//sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
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//sys	Fchdir(fd int) (err error)
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//sys	Fchflags(fd int, flags int) (err error)
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//sys	Fchmod(fd int, mode uint32) (err error)
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//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
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//sys	Fchown(fd int, uid int, gid int) (err error)
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//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
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//sys	Flock(fd int, how int) (err error)
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//sys	Fpathconf(fd int, name int) (val int, err error)
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//sys	Fstat(fd int, stat *Stat_t) (err error)
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//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
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//sys	Fstatvfs1(fd int, buf *Statvfs_t, flags int) (err error) = SYS_FSTATVFS1
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//sys	Fsync(fd int) (err error)
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//sys	Ftruncate(fd int, length int64) (err error)
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//sysnb	Getegid() (egid int)
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//sysnb	Geteuid() (uid int)
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//sysnb	Getgid() (gid int)
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//sysnb	Getpgid(pid int) (pgid int, err error)
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//sysnb	Getpgrp() (pgrp int)
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//sysnb	Getpid() (pid int)
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//sysnb	Getppid() (ppid int)
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//sys	Getpriority(which int, who int) (prio int, err error)
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//sysnb	Getrlimit(which int, lim *Rlimit) (err error)
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//sysnb	Getrusage(who int, rusage *Rusage) (err error)
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//sysnb	Getsid(pid int) (sid int, err error)
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//sysnb	Gettimeofday(tv *Timeval) (err error)
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//sysnb	Getuid() (uid int)
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//sys	Issetugid() (tainted bool)
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//sys	Kill(pid int, signum syscall.Signal) (err error)
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//sys	Kqueue() (fd int, err error)
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//sys	Lchown(path string, uid int, gid int) (err error)
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//sys	Link(path string, link string) (err error)
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//sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
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//sys	Listen(s int, backlog int) (err error)
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//sys	Lstat(path string, stat *Stat_t) (err error)
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//sys	Mkdir(path string, mode uint32) (err error)
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//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
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//sys	Mkfifo(path string, mode uint32) (err error)
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//sys	Mkfifoat(dirfd int, path string, mode uint32) (err error)
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//sys	Mknod(path string, mode uint32, dev int) (err error)
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//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
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//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
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//sys	Open(path string, mode int, perm uint32) (fd int, err error)
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//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
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//sys	Pathconf(path string, name int) (val int, err error)
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//sys	pread(fd int, p []byte, offset int64) (n int, err error)
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//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
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//sys	read(fd int, p []byte) (n int, err error)
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//sys	Readlink(path string, buf []byte) (n int, err error)
329
//sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
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//sys	Rename(from string, to string) (err error)
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//sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
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//sys	Revoke(path string) (err error)
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//sys	Rmdir(path string) (err error)
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//sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
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//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
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//sysnb	Setegid(egid int) (err error)
337
//sysnb	Seteuid(euid int) (err error)
338
//sysnb	Setgid(gid int) (err error)
339
//sysnb	Setpgid(pid int, pgid int) (err error)
340
//sys	Setpriority(which int, who int, prio int) (err error)
341
//sysnb	Setregid(rgid int, egid int) (err error)
342
//sysnb	Setreuid(ruid int, euid int) (err error)
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//sysnb	Setsid() (pid int, err error)
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//sysnb	Settimeofday(tp *Timeval) (err error)
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//sysnb	Setuid(uid int) (err error)
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//sys	Stat(path string, stat *Stat_t) (err error)
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//sys	Statvfs1(path string, buf *Statvfs_t, flags int) (err error) = SYS_STATVFS1
348
//sys	Symlink(path string, link string) (err error)
349
//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
350
//sys	Sync() (err error)
351
//sys	Truncate(path string, length int64) (err error)
352
//sys	Umask(newmask int) (oldmask int)
353
//sys	Unlink(path string) (err error)
354
//sys	Unlinkat(dirfd int, path string, flags int) (err error)
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//sys	Unmount(path string, flags int) (err error)
356
//sys	write(fd int, p []byte) (n int, err error)
357
//sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
358
//sys	munmap(addr uintptr, length uintptr) (err error)
359
//sys	readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
360
//sys	writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
361
//sys	utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
362

363
/*
364
 * Unimplemented
365
 */
366
// ____semctl13
367
// __clone
368
// __fhopen40
369
// __fhstat40
370
// __fhstatvfs140
371
// __fstat30
372
// __getcwd
373
// __getfh30
374
// __getlogin
375
// __lstat30
376
// __mount50
377
// __msgctl13
378
// __msync13
379
// __ntp_gettime30
380
// __posix_chown
381
// __posix_fchown
382
// __posix_lchown
383
// __posix_rename
384
// __setlogin
385
// __shmctl13
386
// __sigaction_sigtramp
387
// __sigaltstack14
388
// __sigpending14
389
// __sigprocmask14
390
// __sigsuspend14
391
// __sigtimedwait
392
// __stat30
393
// __syscall
394
// __vfork14
395
// _ksem_close
396
// _ksem_destroy
397
// _ksem_getvalue
398
// _ksem_init
399
// _ksem_open
400
// _ksem_post
401
// _ksem_trywait
402
// _ksem_unlink
403
// _ksem_wait
404
// _lwp_continue
405
// _lwp_create
406
// _lwp_ctl
407
// _lwp_detach
408
// _lwp_exit
409
// _lwp_getname
410
// _lwp_getprivate
411
// _lwp_kill
412
// _lwp_park
413
// _lwp_self
414
// _lwp_setname
415
// _lwp_setprivate
416
// _lwp_suspend
417
// _lwp_unpark
418
// _lwp_unpark_all
419
// _lwp_wait
420
// _lwp_wakeup
421
// _pset_bind
422
// _sched_getaffinity
423
// _sched_getparam
424
// _sched_setaffinity
425
// _sched_setparam
426
// acct
427
// aio_cancel
428
// aio_error
429
// aio_fsync
430
// aio_read
431
// aio_return
432
// aio_suspend
433
// aio_write
434
// break
435
// clock_getres
436
// clock_gettime
437
// clock_settime
438
// compat_09_ogetdomainname
439
// compat_09_osetdomainname
440
// compat_09_ouname
441
// compat_10_omsgsys
442
// compat_10_osemsys
443
// compat_10_oshmsys
444
// compat_12_fstat12
445
// compat_12_getdirentries
446
// compat_12_lstat12
447
// compat_12_msync
448
// compat_12_oreboot
449
// compat_12_oswapon
450
// compat_12_stat12
451
// compat_13_sigaction13
452
// compat_13_sigaltstack13
453
// compat_13_sigpending13
454
// compat_13_sigprocmask13
455
// compat_13_sigreturn13
456
// compat_13_sigsuspend13
457
// compat_14___semctl
458
// compat_14_msgctl
459
// compat_14_shmctl
460
// compat_16___sigaction14
461
// compat_16___sigreturn14
462
// compat_20_fhstatfs
463
// compat_20_fstatfs
464
// compat_20_getfsstat
465
// compat_20_statfs
466
// compat_30___fhstat30
467
// compat_30___fstat13
468
// compat_30___lstat13
469
// compat_30___stat13
470
// compat_30_fhopen
471
// compat_30_fhstat
472
// compat_30_fhstatvfs1
473
// compat_30_getdents
474
// compat_30_getfh
475
// compat_30_ntp_gettime
476
// compat_30_socket
477
// compat_40_mount
478
// compat_43_fstat43
479
// compat_43_lstat43
480
// compat_43_oaccept
481
// compat_43_ocreat
482
// compat_43_oftruncate
483
// compat_43_ogetdirentries
484
// compat_43_ogetdtablesize
485
// compat_43_ogethostid
486
// compat_43_ogethostname
487
// compat_43_ogetkerninfo
488
// compat_43_ogetpagesize
489
// compat_43_ogetpeername
490
// compat_43_ogetrlimit
491
// compat_43_ogetsockname
492
// compat_43_okillpg
493
// compat_43_olseek
494
// compat_43_ommap
495
// compat_43_oquota
496
// compat_43_orecv
497
// compat_43_orecvfrom
498
// compat_43_orecvmsg
499
// compat_43_osend
500
// compat_43_osendmsg
501
// compat_43_osethostid
502
// compat_43_osethostname
503
// compat_43_osigblock
504
// compat_43_osigsetmask
505
// compat_43_osigstack
506
// compat_43_osigvec
507
// compat_43_otruncate
508
// compat_43_owait
509
// compat_43_stat43
510
// execve
511
// extattr_delete_fd
512
// extattr_delete_file
513
// extattr_delete_link
514
// extattr_get_fd
515
// extattr_get_file
516
// extattr_get_link
517
// extattr_list_fd
518
// extattr_list_file
519
// extattr_list_link
520
// extattr_set_fd
521
// extattr_set_file
522
// extattr_set_link
523
// extattrctl
524
// fchroot
525
// fdatasync
526
// fgetxattr
527
// fktrace
528
// flistxattr
529
// fork
530
// fremovexattr
531
// fsetxattr
532
// fstatvfs1
533
// fsync_range
534
// getcontext
535
// getitimer
536
// getvfsstat
537
// getxattr
538
// ktrace
539
// lchflags
540
// lchmod
541
// lfs_bmapv
542
// lfs_markv
543
// lfs_segclean
544
// lfs_segwait
545
// lgetxattr
546
// lio_listio
547
// listxattr
548
// llistxattr
549
// lremovexattr
550
// lseek
551
// lsetxattr
552
// lutimes
553
// madvise
554
// mincore
555
// minherit
556
// modctl
557
// mq_close
558
// mq_getattr
559
// mq_notify
560
// mq_open
561
// mq_receive
562
// mq_send
563
// mq_setattr
564
// mq_timedreceive
565
// mq_timedsend
566
// mq_unlink
567
// mremap
568
// msgget
569
// msgrcv
570
// msgsnd
571
// nfssvc
572
// ntp_adjtime
573
// pmc_control
574
// pmc_get_info
575
// pollts
576
// preadv
577
// profil
578
// pselect
579
// pset_assign
580
// pset_create
581
// pset_destroy
582
// ptrace
583
// pwritev
584
// quotactl
585
// rasctl
586
// readv
587
// reboot
588
// removexattr
589
// sa_enable
590
// sa_preempt
591
// sa_register
592
// sa_setconcurrency
593
// sa_stacks
594
// sa_yield
595
// sbrk
596
// sched_yield
597
// semconfig
598
// semget
599
// semop
600
// setcontext
601
// setitimer
602
// setxattr
603
// shmat
604
// shmdt
605
// shmget
606
// sstk
607
// statvfs1
608
// swapctl
609
// sysarch
610
// syscall
611
// timer_create
612
// timer_delete
613
// timer_getoverrun
614
// timer_gettime
615
// timer_settime
616
// undelete
617
// utrace
618
// uuidgen
619
// vadvise
620
// vfork
621
// writev
622