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/*
* PCL by Davide Libenzi (Portable Coroutine Library)
* Copyright (C) 2003..2010 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#if !defined(PCL_PRIVATE_H)
#define PCL_PRIVATE_H
#include <stdio.h>
#include <stdlib.h>
#include "pcl_config.h"
#include "pcl.h"
#if defined(CO_USE_UCONEXT)
#include <ucontext.h>
typedef ucontext_t co_core_ctx_t;
#else
#include <setjmp.h>
typedef jmp_buf co_core_ctx_t;
#endif
/*
* The following value must be power of two (N^2).
*/
#define CO_STK_ALIGN 256
#define CO_STK_COROSIZE ((sizeof(coroutine) + CO_STK_ALIGN - 1) & ~(CO_STK_ALIGN - 1))
#define CO_MIN_SIZE (4 * 1024)
typedef struct s_co_ctx {
co_core_ctx_t cc;
} co_ctx_t;
typedef struct s_coroutine {
co_ctx_t ctx;
int alloc;
struct s_coroutine *caller;
struct s_coroutine *restarget;
void (*func)(void *);
void *data;
} coroutine;
typedef struct s_cothread_ctx {
coroutine co_main;
coroutine *co_curr;
coroutine *co_dhelper;
coroutine *dchelper;
char stk[CO_MIN_SIZE];
} cothread_ctx;
cothread_ctx *co_get_thread_ctx(void);
#endif
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