93 lines
3.7 KiB
C
93 lines
3.7 KiB
C
/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)resourcevar.h 8.4 (Berkeley) 1/9/95
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* $Id$
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*/
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#ifndef _SYS_RESOURCEVAR_H_
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#define _SYS_RESOURCEVAR_H_
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/*
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* Kernel per-process accounting / statistics
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* (not necessarily resident except when running).
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*/
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struct pstats {
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#define pstat_startzero p_ru
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struct rusage p_ru; /* stats for this proc */
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struct rusage p_cru; /* sum of stats for reaped children */
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#define pstat_endzero pstat_startcopy
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#define pstat_startcopy p_timer
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struct itimerval p_timer[3]; /* virtual-time timers */
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struct uprof { /* profile arguments */
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caddr_t pr_base; /* buffer base */
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u_long pr_size; /* buffer size */
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u_long pr_off; /* pc offset */
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u_long pr_scale; /* pc scaling */
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u_long pr_addr; /* temp storage for addr until AST */
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u_long pr_ticks; /* temp storage for ticks until AST */
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} p_prof;
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#define pstat_endcopy p_start
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struct timeval p_start; /* starting time */
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};
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/*
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* Kernel shareable process resource limits. Because this structure
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* is moderately large but changes infrequently, it is normally
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* shared copy-on-write after forks. If a group of processes
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* ("threads") share modifications, the PL_SHAREMOD flag is set,
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* and a copy must be made for the child of a new fork that isn't
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* sharing modifications to the limits.
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*/
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struct plimit {
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struct rlimit pl_rlimit[RLIM_NLIMITS];
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#define PL_SHAREMOD 0x01 /* modifications are shared */
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int p_lflags;
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int p_refcnt; /* number of references */
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};
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#ifdef KERNEL
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void addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
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void addupc_task __P((struct proc *p, u_long pc, u_int ticks));
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void calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
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struct timeval *ip));
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int fuswintr __P((void *base));
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struct plimit
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*limcopy __P((struct plimit *lim));
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void ruadd __P((struct rusage *ru, struct rusage *ru2));
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int suswintr __P((void *base, int word));
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#endif
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#endif /* !_SYS_RESOURCEVAR_H_ */
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