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/*

 * (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.

 * (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY

 * (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION

 * (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems

 * To anyone who acknowledges that this file is provided "AS IS" without

 * any express or implied warranty: permission to use, copy, modify, and

 * distribute this file for any purpose is hereby granted without fee,

 * provided that the above copyright notices and this notice appears in

 * all source code copies, and that none of the names listed above be used

 * in advertising or publicity pertaining to distribution of the software

 * without specific, written prior permission.  None of these organizations

 * makes any representations about the suitability of this software for

 * any purpose.

 */

/*

 *      Header file for stack management

 */

#ifndef CMA_STACK

#define CMA_STACK

/*

 *  INCLUDE FILES

 */

#include <cma_tcb_defs.h>

#include <cma.h>

#include <cma_attr.h>

#include <cma_queue.h>

#include <cma_stack_int.h>

/*

 * CONSTANTS AND MACROS

 */

#if _CMA_UNIPROCESSOR_

# define cma__get_self_tcb()    (cma__g_current_thread)

#endif

/*

 * Round the given value (a) upto cma__g_chunk_size

 */

#define cma__roundup_chunksize(a)   (cma__roundup(a,cma__g_chunk_size))

/*

 * TYPEDEFS

 */

/*

 *  GLOBAL DATA

 */

extern cma__t_list      cma__g_stack_clusters;

extern cma__t_int_tcb   *cma__g_current_thread;

extern cma_t_integer    cma__g_chunk_size;

/*

 * INTERNAL INTERFACES

 */

extern void cma__assign_stack  (cma__t_int_stack *,cma__t_int_tcb *);

extern void cma__free_stack  (cma__t_int_stack *);

extern void cma__free_stack_list  (cma__t_queue *);

#if !_CMA_UNIPROCESSOR_

extern cma__t_int_tcb * cma__get_self_tcb  (void);

#endif

extern cma__t_int_tcb * cma__get_sp_tcb  (cma_t_address);

extern cma__t_int_stack * cma__get_stack  (cma__t_int_attr *);

extern void cma__init_stack  (void);

extern void cma__reinit_stack  (cma_t_integer);

#if _CMA_PROTECT_MEMORY_

extern void cma__remap_stack_holes  (void);

#endif

#endif