113 lines
5.1 KiB
C
113 lines
5.1 KiB
C
/*
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* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
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/*
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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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*/
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#ifndef _SYS_RESOURCEVAR_H_
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#define _SYS_RESOURCEVAR_H_
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#include <sys/appleapiopts.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; /* (PL) sum of stats for reaped children */
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struct uprof { /* profile arguments */
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struct uprof *pr_next; /* multiple prof buffers allowed */
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caddr_t pr_base; /* buffer base */
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u_int32_t pr_size; /* buffer size */
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u_int32_t pr_off; /* pc offset */
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u_int32_t pr_scale; /* pc scaling */
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u_int32_t pr_addr; /* temp storage for addr until AST */
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u_int32_t pr_ticks; /* temp storage for ticks until AST */
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} p_prof;
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#define pstat_endzero p_start
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struct timeval p_start; /* starting time ; compat only */
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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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/*
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* Modifications are done with the list lock held (p_limit as well)and access indv
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* limits can be done without limit as we keep the old copy in p_olimit. Which is
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* dropped in proc_exit. This way all access will have a valid kernel address
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*/
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struct plimit {
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struct rlimit pl_rlimit[RLIM_NLIMITS];
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int pl_refcnt; /* number of references */
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};
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#endif /* !_SYS_RESOURCEVAR_H_ */
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