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/*
* This file is part of the "Coroutine" project and released under the MIT License.
*
* Created by Samuel Williams on 24/6/2021.
* Copyright, 2021, by Samuel Williams.
*/
#pragma once
#include <assert.h>
#include <stddef.h>
#include <pthread.h>
#define COROUTINE void
#define COROUTINE_PTHREAD_CONTEXT
#ifdef HAVE_STDINT_H
#include <stdint.h>
#if INTPTR_MAX <= INT32_MAX
#define COROUTINE_LIMITED_ADDRESS_SPACE
#endif
#endif
struct coroutine_context;
struct coroutine_shared
{
pthread_mutex_t guard;
struct coroutine_context * main;
size_t count;
};
typedef COROUTINE(* coroutine_start)(struct coroutine_context *from, struct coroutine_context *self);
struct coroutine_context
{
struct coroutine_shared * shared;
coroutine_start start;
void *argument;
void *stack;
size_t size;
pthread_t id;
pthread_cond_t schedule;
struct coroutine_context * from;
};
void coroutine_initialize_main(struct coroutine_context * context);
void coroutine_initialize(
struct coroutine_context *context,
coroutine_start start,
void *stack,
size_t size
);
struct coroutine_context * coroutine_transfer(struct coroutine_context * current, struct coroutine_context * target);
void coroutine_destroy(struct coroutine_context * context);
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