reactos/drivers/lib/oskittcp/include/freebsd/src/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       8.3 (Berkeley) 2/22/94
  34  */
  35
  36 #ifndef _SYS_RESOURCEVAR_H_
  37 #define _SYS_RESOURCEVAR_H_
  38
  39 /*
  40  * Kernel per-process accounting / statistics
  41  * (not necessarily resident except when running).
  42  */
  43 struct pstats {
  44 #define pstat_startzero p_ru
  45         struct  rusage p_ru;            /* stats for this proc */
  46         struct  rusage p_cru;           /* sum of stats for reaped children */
  47 #define pstat_endzero   pstat_startcopy
  48
  49 #define pstat_startcopy p_timer
  50         struct  itimerval p_timer[3];   /* virtual-time timers */
  51
  52         struct uprof {                  /* profile arguments */
  53                 caddr_t pr_base;        /* buffer base */
  54                 u_long  pr_size;        /* buffer size */
  55                 u_long  pr_off;         /* pc offset */
  56                 u_long  pr_scale;       /* pc scaling */
  57                 u_long  pr_addr;        /* temp storage for addr until AST */
  58                 u_long  pr_ticks;       /* temp storage for ticks until AST */
  59         } p_prof;
  60 #define pstat_endcopy   p_start
  61         struct  timeval p_start;        /* starting time */
  62 };
  63
  64 /*
  65  * Kernel shareable process resource limits.  Because this structure
  66  * is moderately large but changes infrequently, it is normally
  67  * shared copy-on-write after forks.  If a group of processes
  68  * ("threads") share modifications, the PL_SHAREMOD flag is set,
  69  * and a copy must be made for the child of a new fork that isn't
  70  * sharing modifications to the limits.
  71  */
  72 struct plimit {
  73         struct  rlimit pl_rlimit[RLIM_NLIMITS];
  74 #define PL_SHAREMOD     0x01            /* modifications are shared */
  75         int     p_lflags;
  76         int     p_refcnt;               /* number of references */
  77 };
  78
  79 /* add user profiling from AST */
  80 #define ADDUPROF(p)                                                     \
  81         addupc_task(p,                                                  \
  82             (p)->p_stats->p_prof.pr_addr, (p)->p_stats->p_prof.pr_ticks)
  83
  84 #ifdef KERNEL
  85 int      addupc __P((int pc, struct uprof *up, int ticks));
  86 void     addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
  87 void     addupc_task __P((struct proc *p, u_long pc, u_int ticks));
  88 void     calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
  89                      struct timeval *ip));
  90 int      fuswintr __P((void *base));
  91 struct plimit
  92         *limcopy __P((struct plimit *lim));
  93 void     ruadd __P((struct rusage *ru, struct rusage *ru2));
  94 int      suswintr __P((void *base, int word));
  95 #endif
  96
  97 #endif  /* !_SYS_RESOURCEVAR_H_ */