defproc.c

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.
 *
 *----------------------------------------------------------------------
 */

/*
 *	defproc.c (file)
 *
 *	File management
 *	Default process information
 *	Dummy processing to use the file in non-process environment.
 */

#if !USE_PROCESS_MANAGER

#include <basic.h>
#include <tk/tkernel.h>
#include <sys/pinfo.h>
#include <libstr.h>
#include "defproc.h"

LOCAL PINFO default_pinfo;

#define TSD_UIF_ULV_15		15
#define TSD_UIF_NLV_15		15
#define TSD_UIF_UN_0X0000	(TC)0x0000
#define TSD_UIF_GN1_0X0000	(TC)0x0000
#define TSD_UIF_GN2_0X0000	(TC)0x0000
#define TSD_UIF_GN3_0X0000	(TC)0x0000
#define TSD_UIF_GN4_0X0000	(TC)0x0000
#define TSD_UIF_GRL_0XFFF	(UH)0xfff
#define TSD_UIF_GNL_0XFFF	(UH)0xfff

LOCAL const UINFO default_uinfo = {
	{ /* P_USER */
		{ TSD_UIF_UN_0X0000 },		/* User name		*/
		{ TSD_UIF_GN1_0X0000 },		/* Group name 1 	*/
		{ TSD_UIF_GN2_0X0000 },		/* Group name 2 	*/
		{ TSD_UIF_GN3_0X0000 },		/* Group name 3 	*/
		{ TSD_UIF_GN4_0X0000 },		/* Group name 4 	*/
		TSD_UIF_ULV_15,			/* User level	*/
		TSD_UIF_NLV_15			/* Network user level */
	},
	{ /* DA_MODE */
		F_OWNACC,			/* Owner access mode	*/
		TSD_UIF_GRL_0XFFF,		/* Group access level */
		TSD_UIF_GNL_0XFFF,		/* General access level	*/
		0,				/* Group number	*/
		{TSD_UIF_GRL_0XFFF, TSD_UIF_GRL_0XFFF, TSD_UIF_GRL_0XFFF, TSD_UIF_GRL_0XFFF}	/* Group access level */
	}
};

/*
 * Initialize the default process information.
 */
EXPORT ER InitDefaultPinfo(void)
{
	ER ercd;

	ercd = tk_get_tid();
	if (ercd <= 0) {
		return E_CTX;
	}

	memset(&default_pinfo, 0, (size_t)sizeof(PINFO));
	default_pinfo.procid = 1;
	default_pinfo.user = (UINFO*)&default_uinfo;
	default_pinfo.sysproc = 1;
	default_pinfo.tsk[0].tskid = ercd;

	return E_OK;
}

/*
 * Obtain the default process information (Substitution for GetPinfo).
 */
EXPORT PINFO* GetDefaultPinfo(ID taskid)
{
	T_RTSK	ref;
	ER ercd;

	/* Perform only the check of task ID. */
	ercd = tk_ref_tsk(taskid, &ref);
	if (ercd != E_OK) {
		return NULL;
	}

	return &default_pinfo;
}

#else
int	dummy_defproc;	/* to avoid empty source file */
#endif /* USE_PROCESS_MANAGER */