util.h

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	util.h (extension)
 *
 *	Utility for application
 */

#ifndef __EXTENSION_UTIL_H__
#define __EXTENSION_UTIL_H__

#include <basic.h>
#include "typedef.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Shared memory
 */
IMPORT void*	Scalloc( size_t nmemb, size_t size );
IMPORT void*	Smalloc( size_t size );
IMPORT void*	Srealloc( void *ptr, size_t size );
IMPORT void	Sfree( void *ptr );

IMPORT void	Smalloctest( int mode );
IMPORT BOOL	Smalloccheck( void *ptr );


/*
 * Fast lock
 *	One BFastLock can be used as up to 16 independent locks.
 *	Identified by lock number (no); 0 to 15 can be specified as number.
 */
typedef struct {
	UH	wai;
	UH	flg;
	ID	flgid;
} BFastLock;

IMPORT ER	CreateBLock( BFastLock *lock );
IMPORT ER	DeleteBLock( BFastLock *lock );
IMPORT ER	BMLock( BFastLock *lock, W no );
IMPORT ER	BMLockTmo( BFastLock *lock, W no, TMOUT tmo );
IMPORT ER	BMUnlock( BFastLock *lock, W no );

#define	BLock(lock)		BMLock(lock, 0)
#define	BLockTmo(lock, tmo)	BMLockTmo(lock, 0, tmo)
#define	BUnlock(lock)		BMUnlock(lock, 0)

#ifdef __cplusplus
}
#endif
#endif /* __EXTENSION_UTIL_H__ */