text: // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // copy of this software and associated documentation files (the
  // "Software"), to deal in the Software without restriction, including
  // without limitation the rights to use, copy, modify, merge, publish,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // persons to whom the Software is furnished to do so, subject to the
  // following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  #include "uv.h"
  #include "node.h"
  #include "env.h"
  #include "env-inl.h"
  
  namespace node {
  namespace uv {
  
  using v8::Context;
  using v8::FunctionCallbackInfo;
  using v8::FunctionTemplate;
  using v8::Handle;
  using v8::HandleScope;
  using v8::Integer;
  using v8::Object;
  using v8::String;
  using v8::Value;
  
  
  void ErrName(const FunctionCallbackInfo<Value>& args) {
    Environment* env = Environment::GetCurrent(args.GetIsolate());
    HandleScope scope(env->isolate());
    int err = args[0]->Int32Value();
    if (err >= 0)
      return env->ThrowError("err >= 0");
    const char* name = uv_err_name(err);
    if (name == NULL)
      name = "UnknownSystemError";
    args.GetReturnValue().Set(OneByteString(env->isolate(), name));
  }
  
  
  void Initialize(Handle<Object> target,
                  Handle<Value> unused,
                  Handle<Context> context) {
    Environment* env = Environment::GetCurrent(context);
    target->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "errname"),
                FunctionTemplate::New(env->isolate(), ErrName)->GetFunction());
  #define V(name, _)                                                            \
    target->Set(FIXED_ONE_BYTE_STRING(env->isolate(), "UV_" # name),            \
                Integer::New(env->isolate(), UV_ ## name));
    UV_ERRNO_MAP(V)
  #undef V
  }
  
  
  }  // namespace uv
  }  // namespace node
  
  NODE_MODULE_CONTEXT_AWARE_BUILTIN(uv, node::uv::Initialize)
  