}
	wpid = int(r)
	if wstatus != nil {
		*wstatus = WaitStatus(status)
	}
	return
}

//sys	fsyncRange(fd int, how int, start int64, length int64) (err error) = fsync_range

func Fsync(fd int) error {
	return fsyncRange(fd, O_SYNC, 0, 0)
}

/*
 * Socket
 */
//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)

//go:cgo_import_dynamic libc_setgroups setgroups "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_getdirent getdirent "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_wait4 wait4 "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_fsync_range fsync_range "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_bind bind "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_connect connect "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Getkerninfo getkerninfo "libc.a/shr_64.o"