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 | |