resourcevar.h

T－kernel Tcp/ip Protocol Stack Sample

/****************************************************************************
 * Copyright (C) 2001-2004 MITSUBISHI ELECTRIC CORPORATION and
 * RENESAS SOLUTIONS CORPORATION
 * All rights reserved.
 *
 ****************************************************************************
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
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 * modification, are permitted provided that the following conditions
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 *    notice, this list of conditions and the following disclaimer in the
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 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 *
 *	@(#)resourcevar.h	8.4 (Berkeley) 1/9/95
 * $Id: resourcevar.h,v 1.8 1996/06/25 20:02:16 bde Exp $
 */

#ifndef	_SYS_RESOURCEVAR_H_
#define	_SYS_RESOURCEVAR_H_

/*
 * Kernel per-process accounting / statistics
 * (not necessarily resident except when running).
 */
struct pstats {
#define	pstat_startzero	p_ru
	struct	rusage p_ru;		/* stats for this proc */
	struct	rusage p_cru;		/* sum of stats for reaped children */
#define	pstat_endzero	pstat_startcopy

#define	pstat_startcopy	p_timer
	struct	itimerval p_timer[3];	/* virtual-time timers */

	struct uprof {			/* profile arguments */
		caddr_t	pr_base;	/* buffer base */
		u_long	pr_size;	/* buffer size */
		u_long	pr_off;		/* pc offset */
		u_long	pr_scale;	/* pc scaling */
		u_long	pr_addr;	/* temp storage for addr until AST */
		u_long	pr_ticks;	/* temp storage for ticks until AST */
	} p_prof;
#define	pstat_endcopy	p_start
	struct	timeval p_start;	/* starting time */
};

/*
 * Kernel shareable process resource limits.  Because this structure
 * is moderately large but changes infrequently, it is normally
 * shared copy-on-write after forks.  If a group of processes
 * ("threads") share modifications, the PL_SHAREMOD flag is set,
 * and a copy must be made for the child of a new fork that isn't
 * sharing modifications to the limits.
 */
struct plimit {
	struct	rlimit pl_rlimit[RLIM_NLIMITS];
#define	PL_SHAREMOD	0x01		/* modifications are shared */
	int	p_lflags;
	int	p_refcnt;		/* number of references */
};

#ifdef KERNEL
void	 addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
void	 addupc_task __P((struct proc *p, u_long pc, u_int ticks));
void	 calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
	    struct timeval *ip));
int	 fuswintr __P((void *base));
struct plimit
	*limcopy __P((struct plimit *lim));
void	 ruadd __P((struct rusage *ru, struct rusage *ru2));
int	 suswintr __P((void *base, int word));
#endif

#endif	/* !_SYS_RESOURCEVAR_H_ */