FreeBSD/Linux Kernel Cross Reference
sys/sys/resourcevar.h
1 /*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)resourcevar.h 8.4 (Berkeley) 1/9/95
34 * $FreeBSD: src/sys/sys/resourcevar.h,v 1.8.2.1 1999/09/05 08:22:48 peter Exp $
35 */
36
37 #ifndef _SYS_RESOURCEVAR_H_
38 #define _SYS_RESOURCEVAR_H_
39
40 /*
41 * Kernel per-process accounting / statistics
42 * (not necessarily resident except when running).
43 */
44 struct pstats {
45 #define pstat_startzero p_ru
46 struct rusage p_ru; /* stats for this proc */
47 struct rusage p_cru; /* sum of stats for reaped children */
48 #define pstat_endzero pstat_startcopy
49
50 #define pstat_startcopy p_timer
51 struct itimerval p_timer[3]; /* virtual-time timers */
52
53 struct uprof { /* profile arguments */
54 caddr_t pr_base; /* buffer base */
55 u_long pr_size; /* buffer size */
56 u_long pr_off; /* pc offset */
57 u_long pr_scale; /* pc scaling */
58 u_long pr_addr; /* temp storage for addr until AST */
59 u_long pr_ticks; /* temp storage for ticks until AST */
60 } p_prof;
61 #define pstat_endcopy p_start
62 struct timeval p_start; /* starting time */
63 };
64
65 /*
66 * Kernel shareable process resource limits. Because this structure
67 * is moderately large but changes infrequently, it is normally
68 * shared copy-on-write after forks. If a group of processes
69 * ("threads") share modifications, the PL_SHAREMOD flag is set,
70 * and a copy must be made for the child of a new fork that isn't
71 * sharing modifications to the limits.
72 */
73 struct plimit {
74 struct rlimit pl_rlimit[RLIM_NLIMITS];
75 #define PL_SHAREMOD 0x01 /* modifications are shared */
76 int p_lflags;
77 int p_refcnt; /* number of references */
78 };
79
80 #ifdef KERNEL
81 void addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
82 void addupc_task __P((struct proc *p, u_long pc, u_int ticks));
83 void calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
84 struct timeval *ip));
85 int fuswintr __P((void *base));
86 struct plimit
87 *limcopy __P((struct plimit *lim));
88 void ruadd __P((struct rusage *ru, struct rusage *ru2));
89 int suswintr __P((void *base, int word));
90 #endif
91
92 #endif /* !_SYS_RESOURCEVAR_H_ */
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