libtk.h

日本著名的的嵌入式实时操作系统T-Kernel的源码及用户手册。

/*
 *----------------------------------------------------------------------
 *    T-Kernel
 *
 *    Copyright (C) 2004 by Ken Sakamura. All rights reserved.
 *    T-Kernel is distributed under the T-License.
 *----------------------------------------------------------------------
 *
 *    Version:   1.01.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2004/6/28.
 *
 *----------------------------------------------------------------------
 */

/*
 *	@(#)libtk.h (libtk)
 *
 *	T-Kernel library common definitions
 */

#include <basic.h>
#include <tk/tkernel.h>
#include <tk/sysmgr.h>
#include <sys/libs.h>
#include <sys/memalloc.h>

/*
 * Initialization and deletion of library internal shared exclusive
 * control lock 
 */
IMPORT ER  _init_liblock( void );
IMPORT void _delete_liblock( void );

/* ------------------------------------------------------------------------ */

IMPORT	MACB	_Kmacb;		/* Kmalloc control block */
IMPORT	MACB	_Vmacb;		/* Vmalloc control block */
IMPORT	MACB	_Smacb;		/* Smalloc control block */

/*
 * Memory allocation exclusion control 
 */
#define	MEMLOCK(ERR_RET) {						\
		if ( _lib_lock(_LL_MEMALLOC, TRUE) < E_OK ) ERR_RET;	\
	}

#define	MEMUNLOCK() {							\
		_lib_unlock(_LL_MEMALLOC);				\
	}

/* ------------------------------------------------------------------------ */