/* $OpenBSD: resourcevar.h,v 1.11 2007/03/15 10:22:30 art Exp $ */
/* $NetBSD: resourcevar.h,v 1.12 1995/11/22 23:01:53 cgd Exp $ */
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* 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
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)resourcevar.h 8.3 (Berkeley) 2/22/94
*/
#ifndef _SYS_RESOURCEVAR_H_
#define _SYS_RESOURCEVAR_H_
#include <sys/timeout.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 */
struct itimerval p_timer[3]; /* virtual-time timers */
#define pstat_endzero pstat_startcopy
#define pstat_startcopy p_prof
struct uprof { /* profile arguments */
caddr_t pr_base; /* buffer base */
size_t pr_size; /* buffer size */
u_long pr_off; /* pc offset */
u_int 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 */
struct timeout p_virt_to; /* virtual itimer trampoline. */
struct timeout p_prof_to; /* prof itimer trampoline. */
};
/*
* 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 */
};
/* add user profiling from AST */
#define ADDUPROF(p) \
do { \
atomic_clearbits_int(&(p)->p_flag, P_OWEUPC); \
addupc_task((p), (p)->p_stats->p_prof.pr_addr, \
(p)->p_stats->p_prof.pr_ticks); \
(p)->p_stats->p_prof.pr_ticks = 0; \
} while (0)
#ifdef _KERNEL
void addupc_intr(struct proc *p, u_long pc);
void addupc_task(struct proc *p, u_long pc, u_int ticks);
void calcru(struct proc *p, struct timeval *up, struct timeval *sp,
struct timeval *ip);
struct plimit *limcopy(struct plimit *lim);
void limfree(struct plimit *);
void ruadd(struct rusage *ru, struct rusage *ru2);
void virttimer_trampoline(void *);
void proftimer_trampoline(void *);
#endif
#endif /* !_SYS_RESOURCEVAR_H_ */