//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)

	r, w, err := pipe2(&pp, flags)
	if err == nil {
		p[0], p[1] = r, w
	}
	return err
}

//sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)

func pread(fd int, p []byte, offset int64) (n int, err error) {
	return extpread(fd, p, 0, offset)
}

//sys	extpwrite(fd int, p []byte, flags int, offset int64) (n 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)

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func pread(fd int, p []byte, offset int64) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

func Pause() (err error) {
	_, _, e1 := Syscall(SYS_PAUSE, 0, 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func pread(fd int, p []byte, offset int64) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

	SYS_SCTP_GENERIC_RECVMSG     = 474 // { int sctp_generic_recvmsg(int sd, struct iovec *iov, int iovlen, \
	SYS_PREAD                    = 475 // { ssize_t pread(int fd, void *buf, \
	SYS_PWRITE                   = 476 // { ssize_t pwrite(int fd, const void *buf, \
	SYS_MMAP                     = 477 // { caddr_t mmap(caddr_t addr, size_t len, \

	r0, _, e1 := Syscall(SYS_MEMFD_SECRET, uintptr(flags), 0, 0)
	fd = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func pread(fd int, p []byte, offset int64) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

	SYS_SCTP_GENERIC_RECVMSG     = 474 // { int sctp_generic_recvmsg(int sd, struct iovec *iov, int iovlen, \
	SYS_PREAD                    = 475 // { ssize_t pread(int fd, void *buf, \
	SYS_PWRITE                   = 476 // { ssize_t pwrite(int fd, const void *buf, \
	SYS_MMAP                     = 477 // { caddr_t mmap(caddr_t addr, size_t len, \

		if err != nil {
			return
		}
		defer f.Close()
		var n, total int
		b := make([]byte, 17) // the race is on b buffer
		for err == nil {
			if pread {
				n, err = f.ReadAt(b, int64(total))
			} else {
				n, err = f.Read(b)
			}
			total += n
			if n > 0 {
				in <- b[:n]
			}
		}
		if err == io.EOF {
			err = nil
		}
	}()

	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func pread(fd int, p []byte, offset int64) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}