// 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.

#ifndef SRC_NODE_INTERNALS_H_
#define SRC_NODE_INTERNALS_H_

namespace node {

// This function starts an Isolate. This function is defined in node.cc
// currently so that we minimize the diff between master and v0.6 for easy
// merging. In the future, when v0.6 is extinct, StartThread should be moved
// to node_isolate.cc.
class Isolate;
void StartThread(Isolate* isolate, int argc, char** argv);

#ifndef offset_of
// g++ in strict mode complains loudly about the system offsetof() macro
// because it uses NULL as the base address.
#define offset_of(type, member) \
  ((intptr_t) ((char *) &(((type *) 8)->member) - 8))
#endif

#ifndef container_of
#define container_of(ptr, type, member) \
  ((type *) ((char *) (ptr) - offset_of(type, member)))
#endif

#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
#endif

#define DISALLOW_COPY_AND_ASSIGN(TypeName)        \
  TypeName(const TypeName&);                      \
  void operator=(const TypeName&)

#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName)  \
  TypeName();                                     \
  DISALLOW_COPY_AND_ASSIGN(TypeName)

} // namespace node

#endif // SRC_NODE_INTERNALS_H_