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

/*
 *	pinfo.h
 *
 *	Process management information
 */

#ifndef __SYS_PINFO_H__
#define __SYS_PINFO_H__

#include <basic.h>
#include <extension/extension.h>
#include <sys/queue.h>


#ifdef __cplusplus
extern "C" {
#endif

#define PNAME_SZ	20		/* Length of process name (file name)	*/

#ifndef __pinfo__
typedef struct pinfo	PINFO;
#define __pinfo__
#endif

/*
 * User information
 */
typedef struct {
	P_USER		user;		/* User information			*/
	DA_MODE		mode;		/* Default access mode	*/
} UINFO;

/*
 * File management information
 */
typedef struct {
	QUEUE		q;		/* Link for reference 		*/
	LINK		workFile;	/* Work file 		*/
	QUEUE		fdList;		/* Link to file descriptor */
} FINFO;

/*
 * Executable file information
 */
typedef struct _pobj_hdr {
	W	type;		/* File type */
	W	desc;		/* File descriptor */
	union {
		LINK *lnk;	/* Link (TPA_LINK) */
		B* path;	/* File path (TPA_SEIO) */
		VP buf;		/* Executable image address (TPA_PTR) */
	} src;
} POBJ_HDR;

typedef struct {
	T_CPRC	cprc;
	INT	hdrsize;
} CINFO;

/*
 * Loading file information
 */
#if VIRTUAL_ADDRESS
#define	N_LDMID		2		/* Maximum number of disk maps for loading	*/
typedef struct {
	LINK	lnk;			/* Link to loading file	*/
	POBJ_HDR	pohdr;		/* Executable file information	*/
	ID	mid[N_LDMID];		/* Executable file map ID	*/
	VP	topadr;			/* Program start address	*/
	UW	dpage;			/* Number of disk map pages	*/
	UW	mpage;			/* Number of memory map pages	*/
	UW	stacksz;		/* Stack size (number of bytes)	*/
} LDINFO;
#else
typedef struct {
	UH	loadno;			/* Loading number		*/
	UH	atr[5];			/* Loading file (LINK) attribute information */
	VP	dataadr;		/* Data area start address	*/
} LDINFO;
#endif

/*
 * Task management information
 */
typedef	struct {			/* Task-dependent information		*/
	ID	tskid;			/* Task ID within process		*/
	UW	msg_waimask;		/* Message wait mask		*/
#if VIRTUAL_ADDRESS
	VP	stack_addr;		/* Stack area start address	*/
#endif
} TSK_INFO;

/*
 * Process management information (PINFO)
 */
struct pinfo {
	QUEUE	q;			/* Process information queue		*/
	ID	procid;			/* Process ID			*/
	ID	resid;			/* T-Kernel resource ID	*/
	PINFO	*parent;		/* Parent process pointer		*/
	TC	name[PNAME_SZ];		/* Process name			*/
	UINFO	*user;			/* User management information		*/
	UW	sysproc:1;		/* System process		*/

	/* Information up to here can be accessed by managers in general.
	   Accordingly, changes to the information may affect all managers. */

	UW	dbgmode:1;		/* Specify debugger process mode	*/
	UW	rsv1:6;			/* Reserved (0)			*/
	UW	exitkind:8;		/* Termination type			*/
	UW	nchild:16;		/* Number of child process		*/
	W	exitcode;		/* Termination code			*/
	VP	fexchdr;		/* Process forced exception handler	*/
	UW	ctime;			/* Process generation time		*/

	QUEUE	msg_top;		/* Message queue		*/
	UW	msg_ignmask;		/* Handler mask (MH_NONE)	*/
	UW	msg_mhmask;		/* Handler mask (except for MH_NONE)	*/

	FINFO	file;			/* File management information	*/

	UW	consinf;		/* Console information		*/

	UW	emg_cnt;		/* Number of requests for termination notification	*/
	VP	emg_lst;		/* Destination list of termination notification	*/

	LDINFO	ldinfo;			/* Loading file information		*/
	CINFO	cinfo;			/* Create process infomaion(tkse_cre_prc) */

#if VIRTUAL_ADDRESS
	VP	lpgtbl;			/* Local memory management table	*/
	VP	lmemgrp;		/* Local memory group	*/
	VP	smemgrp;		/* System memory group	*/

	UH	allocpage;		/* Number of allocated pages		*/
	UH	poutcount;		/* Number of page-outs		*/
#else
	VP	memgrp;			/* Memory group (memmgr)	*/
	UH	heappg;			/* Number of pages in heap area		*/
#endif
	TSK_INFO	tsk[1];		/* Task information (number of subtasks in reality) */
};

#define	PINFO_BASE_SZ	( sizeof(PINFO) - sizeof(TSK_INFO) )
#define	PINFO_SZ(ntsk)	( PINFO_BASE_SZ + (sizeof(TSK_INFO) * (ntsk)) )

#define	PRCTSK_EXINF	((VP)-1)	/* Show tasks included in process */

#ifdef __cplusplus
}
#endif
#endif /* __SYS_PINFO_H__ */