NodeErrorCode = enum
  E2BIG = "argument list too long", EACCES = "permission denied",
  EADDRINUSE = "address already in use", EADDRNOTAVAIL = "address not available",
  EAFNOSUPPORT = "address family not supported",
  EAGAIN = "resource temporarily unavailable",
  EAI_ADDRFAMILY = "address family not supported", EAI_AGAIN = "temporary failure",
  EAI_BADFLAGS = "bad ai_flags value", EAI_BADHINTS = "invalid value for hints",
  EAI_CANCELED = "request canceled", EAI_FAIL = "permanent failure",
  EAI_FAMILY = "ai_family not supported", EAI_MEMORY = "out of memory",
  EAI_NODATA = "no address", EAI_NONAME = "unknown node or service",
  EAI_OVERFLOW = "argument buffer overflow",
  EAI_PROTOCOL = "resolved protocol is unknown",
  EAI_SERVICE = "service not available for socket type",
  EAI_SOCKTYPE = "socket type not supported",
  EALREADY = "connection already in progress", EBADF = "bad file descriptor",
  EBUSY = "resource busy or locked", ECANCELED = "operation canceled",
  ECHARSET = "invalid Unicode character",
  ECONNABORTED = "software caused connection abort",
  ECONNREFUSED = "connection refused", ECONNRESET = "connection reset by peer",
  EDESTADDRREQ = "destination address required", EEXIST = "file already exists",
  EFAULT = "bad address in system call argument", EFBIG = "file too large",
  EHOSTUNREACH = "host is unreachable", EINTR = "interrupted system call",
  EINVAL = "invalid argument", EIO = "i/o error",
  EISCONN = "socket is already connected",
  EISDIR = "illegal operation on a directory",
  ELOOP = "too many symbolic links encountered", EMFILE = "too many open files",
  EMSGSIZE = "message too long", ENAMETOOLONG = "name too long",
  ENETDOWN = "network is down", ENETUNREACH = "network is unreachable",
  ENFILE = "file table overflow", ENOBUFS = "no buffer space available",
  ENODEV = "no such device", ENOENT = "no such file or directory",
  ENOMEM = "not enough memory", ENONET = "machine is not on the network",
  ENOPROTOOPT = "protocol not available", ENOSPC = "no space left on device",
  ENOSYS = "function not implemented", ENOTCONN = "socket is not connected",
  ENOTDIR = "not a directory", ENOTEMPTY = "directory not empty",
  ENOTSOCK = "socket operation on non-socket",
  ENOTSUP = "operation not supported on socket", EPERM = "operation not permitted",
  EPIPE = "broken pipe", EPROTO = "protocol error",
  EPROTONOSUPPORT = "protocol not supported",
  EPROTOTYPE = "protocol wrong type for socket", ERANGE = "result too large",
  EROFS = "read-only file system",
  ESHUTDOWN = "cannot send after transport endpoint shutdown",
  ESPIPE = "invalid seek", ESRCH = "no such process",
  ETIMEDOUT = "connection timed out", ETXTBSY = "text file is busy",
  EXDEV = "cross-device link not permitted", UNKNOWN = "unknown error",
  EOF = "end of file", ENXIO = "no such device or address", EMLINK = "too many links",
  EHOSTDOWN = "host is down", UNKNOWNSYS = "unknown system error",
  END_WREND = "write after end"

NodeError = object of Exception
  errorCode*: NodeErrorCode

proc newNodeError(errorCode: cint): ref NodeError {.
raises: [], tags: []
.}

proc newNodeError(errorCode: NodeErrorCode): ref NodeError {.
raises: [], tags: []
.}