/* $NetBSD: resourcevar.h,v 1.46 2008/10/11 13:40:58 pooka 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 8.4 (Berkeley) 1/9/95 */ #ifndef _SYS_RESOURCEVAR_H_ #define _SYS_RESOURCEVAR_H_ #include <sys/mutex.h> /* * Kernel per-process accounting / statistics */ 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 */ char * 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 */ }; /* * 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. * * The PL_xxx flags are never cleared, once either is set p->p_limit * will never be changed again. */ struct plimit { struct rlimit pl_rlimit[RLIM_NLIMITS]; char *pl_corename; #define PL_SHAREMOD 0x01 /* modifications are shared */ #define PL_WRITEABLE 0x02 /* private to this process */ int pl_flags; int pl_refcnt; /* number of references */ kmutex_t pl_lock; /* mutex for pl_refcnt */ struct plimit *pl_sv_limit; /* saved when PL_WRITEABLE set */ }; /* add user profiling from AST XXXSMP */ #define ADDUPROF(p) \ do { \ struct proc *_p = l->l_proc; \ addupc_task(l, \ (_p)->p_stats->p_prof.pr_addr, \ (_p)->p_stats->p_prof.pr_ticks); \ (_p)->p_stats->p_prof.pr_ticks = 0; \ } while (/* CONSTCOND */ 0) #ifdef _KERNEL extern char defcorename[]; extern int security_setidcore_dump; extern char security_setidcore_path[]; extern uid_t security_setidcore_owner; extern gid_t security_setidcore_group; extern mode_t security_setidcore_mode; void addupc_intr(struct lwp *, u_long); void addupc_task(struct lwp *, u_long, u_int); void calcru(struct proc *, struct timeval *, struct timeval *, struct timeval *, struct timeval *); struct plimit *lim_copy(struct plimit *lim); void lim_addref(struct plimit *lim); void lim_privatise(struct proc *p, bool set_shared); void limfree(struct plimit *); void resource_init(void); void ruadd(struct rusage *, struct rusage *); void rulwps(proc_t *, struct rusage *); struct pstats *pstatscopy(struct pstats *); void pstatsfree(struct pstats *); extern rlim_t maxdmap; extern rlim_t maxsmap; #endif #endif /* !_SYS_RESOURCEVAR_H_ */