/
resourcevar.h
122 lines (109 loc) · 4.42 KB
/
resourcevar.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
/* $NetBSD: resourcevar.h,v 1.44.6.1 2009/05/04 08:14:36 yamt 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 itimerspec 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(l) \
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_ */