run0 = 1
	}

	run := mcount() - sched.nmidle - sched.nmidlelocked - sched.nmsys
	if run > run0 {
		return
	}
	if run < 0 {
		print("runtime: checkdead: nmidle=", sched.nmidle, " nmidlelocked=", sched.nmidlelocked, " mcount=", mcount(), " nmsys=", sched.nmsys, "\n")
		unlock(&sched.lock)
		throw("checkdead: inconsistent counts")
	}

	grunning := 0

	ENOPKG          = syscall.Errno(0x41)
	ENOPROTOOPT     = syscall.Errno(0x63)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSR           = syscall.Errno(0x3f)
	ENOSTR          = syscall.Errno(0x3c)
	ENOSYS          = syscall.Errno(0x59)
	ENOTACTIVE      = syscall.Errno(0x49)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x86)
	ENOTDIR         = syscall.Errno(0x14)

		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 bufptr *Statfs_t
	var bufsize uintptr
	if len(buf) > 0 {
		bufptr = &buf[0]
		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))

		err = EIO
	}
	return
}

//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD

// TODO
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
	return -1, ENOSYS
}

//sys	ioctl(fd int, req uint, arg uintptr) (err error)
//sys	ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL

		return e == EACCES || e == EPERM
	case oserror.ErrExist:
		return e == EEXIST || e == ENOTEMPTY
	case oserror.ErrNotExist:
		return e == ENOENT
	case errorspkg.ErrUnsupported:
		return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
	}
	return false
}

func (e Errno) Temporary() bool {
	return e == EINTR || e == EMFILE || e == ENFILE || e.Timeout()
}

func (e Errno) Timeout() bool {

	ENOPOLICY       = syscall.Errno(0x67)
	ENOPROTOOPT     = syscall.Errno(0x2a)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSR           = syscall.Errno(0x62)
	ENOSTR          = syscall.Errno(0x63)
	ENOSYS          = syscall.Errno(0x4e)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x39)
	ENOTDIR         = syscall.Errno(0x14)
	ENOTEMPTY       = syscall.Errno(0x42)

	ENOMEDIUM       = syscall.Errno(0x55)
	ENOMEM          = syscall.Errno(0xc)
	ENOMSG          = syscall.Errno(0x5a)
	ENOPROTOOPT     = syscall.Errno(0x2a)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSYS          = syscall.Errno(0x4e)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x39)
	ENOTDIR         = syscall.Errno(0x14)
	ENOTEMPTY       = syscall.Errno(0x42)

	ENOMSG          = syscall.Errno(0x53)
	ENOPROTOOPT     = syscall.Errno(0x2a)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSR           = syscall.Errno(0x5a)
	ENOSTR          = syscall.Errno(0x5b)
	ENOSYS          = syscall.Errno(0x4e)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x39)
	ENOTDIR         = syscall.Errno(0x14)
	ENOTEMPTY       = syscall.Errno(0x42)

	ENOMEDIUM       = syscall.Errno(0x5d)
	ENOMEM          = syscall.Errno(0xc)
	ENOMSG          = syscall.Errno(0x53)
	ENOPROTOOPT     = syscall.Errno(0x2a)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSYS          = syscall.Errno(0x4e)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x39)
	ENOTDIR         = syscall.Errno(0x14)
	ENOTEMPTY       = syscall.Errno(0x42)

	ENOMEDIUM       = syscall.Errno(0x55)
	ENOMEM          = syscall.Errno(0xc)
	ENOMSG          = syscall.Errno(0x5a)
	ENOPROTOOPT     = syscall.Errno(0x2a)
	ENOSPC          = syscall.Errno(0x1c)
	ENOSYS          = syscall.Errno(0x4e)
	ENOTBLK         = syscall.Errno(0xf)
	ENOTCONN        = syscall.Errno(0x39)
	ENOTDIR         = syscall.Errno(0x14)
	ENOTEMPTY       = syscall.Errno(0x42)