FreeBSD/Linux Kernel Cross Reference
sys/bsd/sys/resourcevar.h

     /*
      * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
    /*
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. 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/appleapiopts.h>
    
    #ifdef __APPLE_API_PRIVATE
    /*
     * Kernel per-process accounting / statistics
     * (not necessarily resident except when running).
     */
    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 */
    
            struct uprof {                  /* profile arguments */
                    struct uprof *pr_next;  /* multiple prof buffers allowed */
                    caddr_t pr_base;        /* buffer base */
                    u_long  pr_size;        /* buffer size */
                    u_long  pr_off;         /* pc offset */
                    u_long  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_endzero   pstat_startcopy
    
    #define pstat_startcopy p_timer
            struct  itimerval p_timer[3];   /* virtual-time timers */
    #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.
    */
   struct plimit {
           struct  rlimit pl_rlimit[RLIM_NLIMITS];
   #define PL_SHAREMOD     0x01            /* modifications are shared */
           int     p_lflags;
           int     p_refcnt;               /* number of references */
   };
   
   /* add user profiling from AST */
   #define ADDUPROF(p)                                                     \
           addupc_task(p,                                                  \
               (p)->p_stats->p_prof.pr_addr, (p)->p_stats->p_prof.pr_ticks)
   
   #ifdef KERNEL
   void     addupc_intr __P((struct proc *p, u_long pc, u_int ticks));
   void     addupc_task __P((struct proc *p, u_long pc, u_int ticks));
   void     calcru __P((struct proc *p, struct timeval *up, struct timeval *sp,
               struct timeval *ip));
   void     ruadd __P((struct rusage *ru, struct rusage *ru2));
   struct plimit *limcopy __P((struct plimit *lim));
   #endif /* KERNEL */
   
   #endif /* __APPLE_API_PRIVATE */
   
   #endif  /* !_SYS_RESOURCEVAR_H_ */

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