// Errno values.
var (
	errEAGAIN error = syscall.EAGAIN
	errEINVAL error = syscall.EINVAL
	errENOENT error = syscall.ENOENT
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
	switch e {
	case 0:
		return nil
	case syscall.EAGAIN:
		return errEAGAIN
	case syscall.EINVAL:
		return errEINVAL
	case syscall.ENOENT:

// Do the interface allocations only once for common
// Errno values.

var (
	errERROR_IO_PENDING error = syscall.Errno(syscall.ERROR_IO_PENDING)
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
	switch e {
	case 0:
		return nil
	case syscall.ERROR_IO_PENDING:
		return errERROR_IO_PENDING
	}

	if len(iovs) > 0 {
		_p0 = &iovs[0]
	}
	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procreadv)), 3, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovs)), 0, 0, 0)
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func preadv(fd int, iovs []Iovec, off int64) (n int, err error) {
	var _p0 *Iovec
	if len(iovs) > 0 {
		_p0 = &iovs[0]

}

func Listen(fd int, backlog int) error {
	return ENOSYS
}

func Accept(fd int) (int, Sockaddr, error) {
	var newfd int32
	errno := sock_accept(int32(fd), 0, unsafe.Pointer(&newfd))
	return int(newfd), nil, errnoErr(errno)
}

func Connect(fd int, sa Sockaddr) error {
	return ENOSYS
}

func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
	return 0, nil, ENOSYS
}

func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) {
	_, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_fcntl)), 3, uintptr(fd), uintptr(cmd), uintptr(unsafe.Pointer(lk)), 0, 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return

	if e != 0 {
		err = errnoErr(e)
	}
	return
}

func Statfs(path string, buf *Statfs_t) (err error) {
	p, err := BytePtrFromString(path)
	if err != nil {
		return err
	}
	_, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
	if e != 0 {
		err = errnoErr(e)
	}
	return
}

}

// Do the interface allocations only once for common
// Errno values.
var (
	errEAGAIN error = EAGAIN
	errEINVAL error = EINVAL
	errENOENT error = ENOENT
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
//
// We set both noinline and nosplit to reduce code size, this function has many

	if e != 0 {
		err = errnoErr(e)
	}
	return
}

func Statfs(path string, buf *Statfs_t) (err error) {
	p, err := BytePtrFromString(path)
	if err != nil {
		return err
	}
	_, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(p)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
	if e != 0 {
		err = errnoErr(e)
	}
	return
}

	runtimeCtx uintptr
}

var serverInit sync.Once

func (pd *pollDesc) init(fd *FD) error {
	serverInit.Do(runtime_pollServerInit)
	ctx, errno := runtime_pollOpen(uintptr(fd.Sysfd))
	if errno != 0 {
		return errnoErr(syscall.Errno(errno))
	}
	pd.runtimeCtx = ctx
	return nil
}

func (pd *pollDesc) close() {
	if pd.runtimeCtx == 0 {
		return
	}
	runtime_pollClose(pd.runtimeCtx)
	pd.runtimeCtx = 0
}

	_, _, e1 := Syscall6(SYS_ARM_FADVISE64_64, uintptr(fd), uintptr(advice), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

//sys	mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)

func Fstatfs(fd int, buf *Statfs_t) (err error) {