/*

  *  CoroX.c

  *  Coroutines for Mac OS X

  *

  *  Created by Jens Alfke on 4/29/08.

  *  Adapted from Steve Dekorte's libCoroutine:

  *  <http://www.dekorte.com/projects/opensource/libCoroutine/>

  *  by putting it on a piece of wood and banging a few nails through it.

  *  No, actually I removed all the stuff for cross-platform support, leaving only the simple

  *  code that works on Mac OS X 10.5, and then cleaned things up a bit.

  *

  *  Copyright 2008 Jens Alfke. All rights reserved.

  *  Copyright (c) 2002, 2003 Steve Dekorte. All rights reserved.

  *  License is at the bottom of CoroX.c.

  *

  */

 #pragma once

 #include <stdlib.h>

 #include <stdint.h>

 /** C coroutine implementation for Mac OS X.

     Based on, and API-compatible with, Steve Dekorte's libCoroutine.

     His docs are at http://www.dekorte.com/projects/opensource/libCoroutine/docs/

 */

 #ifdef __cplusplus

 extern "C" {

 #endif

     typedef struct Coro Coro;

     Coro *Coro_new(void);

     void Coro_free(Coro *self);

     // stack

     void *Coro_stack(Coro *self);

     size_t Coro_stackSize(Coro *self);

     void Coro_setStackSize_(Coro *self, size_t sizeInBytes);

     size_t Coro_bytesLeftOnStack(Coro *self);

     int Coro_stackSpaceAlmostGone(Coro *self);

     // initialization

     void Coro_initializeMainCoro(Coro *self);

     typedef void (CoroStartCallback)(void *);

     void Coro_startCoro_(Coro *self, Coro *other, void *context, CoroStartCallback *callback);

     // context-switch

     void Coro_switchTo_(Coro *self, Coro *next);

 #ifdef __cplusplus

 }

 #endif