| 1 | /* $NetBSD: resourcevar.h,v 1.56 2015/10/18 00:28:15 jmcneill Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1991, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * @(#)resourcevar.h 8.4 (Berkeley) 1/9/95 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _SYS_RESOURCEVAR_H_ |
| 35 | #define _SYS_RESOURCEVAR_H_ |
| 36 | |
| 37 | #if !defined(_KERNEL) && !defined(_KMEMUSER) |
| 38 | #error "not supposed to be exposed to userland" |
| 39 | #endif |
| 40 | |
| 41 | #include <sys/mutex.h> |
| 42 | #include <sys/resource.h> |
| 43 | |
| 44 | /* |
| 45 | * Kernel per-process accounting / statistics |
| 46 | */ |
| 47 | struct uprof { /* profile arguments */ |
| 48 | char * pr_base; /* buffer base */ |
| 49 | size_t pr_size; /* buffer size */ |
| 50 | u_long pr_off; /* pc offset */ |
| 51 | u_int pr_scale; /* pc scaling */ |
| 52 | u_long pr_addr; /* temp storage for addr until AST */ |
| 53 | u_long pr_ticks; /* temp storage for ticks until AST */ |
| 54 | }; |
| 55 | |
| 56 | struct pstats { |
| 57 | #define pstat_startzero p_ru |
| 58 | struct rusage p_ru; /* stats for this proc */ |
| 59 | struct rusage p_cru; /* sum of stats for reaped children */ |
| 60 | #define pstat_endzero pstat_startcopy |
| 61 | |
| 62 | #define pstat_startcopy p_timer |
| 63 | struct itimerspec p_timer[3]; /* virtual-time timers */ |
| 64 | struct uprof p_prof; /* profile arguments */ |
| 65 | #define pstat_endcopy p_start |
| 66 | struct timeval p_start; /* starting time */ |
| 67 | }; |
| 68 | |
| 69 | #ifdef _KERNEL |
| 70 | |
| 71 | /* |
| 72 | * Process resource limits. Since this structure is moderately large, |
| 73 | * but changes infrequently, it is shared copy-on-write after forks. |
| 74 | * |
| 75 | * When a separate copy is created, then 'pl_writeable' is set to true, |
| 76 | * and 'pl_sv_limit' is pointed to the old proc_t::p_limit structure. |
| 77 | */ |
| 78 | struct plimit { |
| 79 | struct rlimit pl_rlimit[RLIM_NLIMITS]; |
| 80 | char * pl_corename; |
| 81 | size_t pl_cnlen; |
| 82 | u_int pl_refcnt; |
| 83 | bool pl_writeable; |
| 84 | kmutex_t pl_lock; |
| 85 | struct plimit * pl_sv_limit; |
| 86 | }; |
| 87 | |
| 88 | /* add user profiling from AST XXXSMP */ |
| 89 | #define ADDUPROF(l) \ |
| 90 | do { \ |
| 91 | struct proc *_p = (l)->l_proc; \ |
| 92 | addupc_task((l), \ |
| 93 | _p->p_stats->p_prof.pr_addr, \ |
| 94 | _p->p_stats->p_prof.pr_ticks); \ |
| 95 | _p->p_stats->p_prof.pr_ticks = 0; \ |
| 96 | } while (/* CONSTCOND */ 0) |
| 97 | |
| 98 | extern char defcorename[]; |
| 99 | |
| 100 | extern int security_setidcore_dump; |
| 101 | extern char security_setidcore_path[]; |
| 102 | extern uid_t security_setidcore_owner; |
| 103 | extern gid_t security_setidcore_group; |
| 104 | extern mode_t security_setidcore_mode; |
| 105 | |
| 106 | void addupc_intr(struct lwp *, u_long); |
| 107 | void addupc_task(struct lwp *, u_long, u_int); |
| 108 | void calcru(struct proc *, struct timeval *, struct timeval *, |
| 109 | struct timeval *, struct timeval *); |
| 110 | |
| 111 | struct plimit *lim_copy(struct plimit *); |
| 112 | void lim_addref(struct plimit *); |
| 113 | void lim_privatise(struct proc *); |
| 114 | void lim_setcorename(struct proc *, char *, size_t); |
| 115 | void lim_free(struct plimit *); |
| 116 | |
| 117 | void resource_init(void); |
| 118 | void ruadd(struct rusage *, struct rusage *); |
| 119 | void rulwps(proc_t *, struct rusage *); |
| 120 | struct pstats *pstatscopy(struct pstats *); |
| 121 | void pstatsfree(struct pstats *); |
| 122 | extern rlim_t maxdmap; |
| 123 | extern rlim_t maxsmap; |
| 124 | |
| 125 | int getrusage1(struct proc *, int, struct rusage *); |
| 126 | |
| 127 | #endif |
| 128 | |
| 129 | #endif /* !_SYS_RESOURCEVAR_H_ */ |
| 130 | |