2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
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15 * This product includes software developed by the University of
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33 * @(#)resourcevar.h 8.4 (Berkeley) 1/9/95
34 * $FreeBSD: src/sys/sys/resourcevar.h,v 1.16.2.1 2000/09/07 19:13:55 truckman Exp $
37 #ifndef _SYS_RESOURCEVAR_H_
38 #define _SYS_RESOURCEVAR_H_
40 #include <sys/resource.h>
41 #include <sys/queue.h>
44 * Kernel per-process accounting / statistics
45 * (not necessarily resident except when running).
48 #define pstat_startzero p_ru
49 struct rusage p_ru; /* stats for this proc */
50 struct rusage p_cru; /* sum of stats for reaped children */
51 #define pstat_endzero pstat_startcopy
53 #define pstat_startcopy p_timer
54 struct itimerval p_timer[3]; /* virtual-time timers */
56 struct uprof { /* profile arguments */
57 caddr_t pr_base; /* buffer base */
58 u_long pr_size; /* buffer size */
59 u_long pr_off; /* pc offset */
60 u_long pr_scale; /* pc scaling */
61 u_long pr_addr; /* temp storage for addr until AST */
62 u_long pr_ticks; /* temp storage for ticks until AST */
64 #define pstat_endcopy p_start
65 struct timeval p_start; /* starting time */
69 * Kernel shareable process resource limits. Because this structure
70 * is moderately large but changes infrequently, it is normally
71 * shared copy-on-write after forks. If a group of processes
72 * ("threads") share modifications, the PL_SHAREMOD flag is set,
73 * and a copy must be made for the child of a new fork that isn't
74 * sharing modifications to the limits.
77 struct rlimit pl_rlimit[RLIM_NLIMITS];
78 #define PL_SHAREMOD 0x01 /* modifications are shared */
80 int p_refcnt; /* number of references */
81 rlim_t p_cpulimit; /* current cpu limit in usec */
85 * Per uid resource consumption
88 LIST_ENTRY(uidinfo) ui_hash;
89 rlim_t ui_sbsize; /* socket buffer space consumed */
90 long ui_proccnt; /* number of processes */
91 uid_t ui_uid; /* uid */
92 u_short ui_ref; /* reference count */
96 #define uihold(uip) (uip)->ui_ref++
99 void addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
100 void addupc_task __P((struct proc *p, u_long pc, u_int ticks));
101 void calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
102 struct timeval *ip));
103 int chgproccnt __P((struct uidinfo *uip, int diff, int max));
104 int chgsbsize __P((struct uidinfo *uip, u_long *hiwat, u_long to,
106 int fuswintr __P((void *base));
108 *limcopy __P((struct plimit *lim));
109 void ruadd __P((struct rusage *ru, struct rusage *ru2));
110 int suswintr __P((void *base, int word));
112 *uifind __P((uid_t uid));
113 int uifree __P((struct uidinfo *uip));
114 void uihashinit __P((void));
117 #endif /* !_SYS_RESOURCEVAR_H_ */