143 lines
6.5 KiB
C
143 lines
6.5 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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#include <sys/resource.h>
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#include <sys/_types/_caddr_t.h>
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#ifdef XNU_KERNEL_PRIVATE
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#include <kern/smr_types.h>
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#include <os/refcnt.h>
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#endif
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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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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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uint64_t ps_start; /* starting time ; compat only */
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#ifdef XNU_KERNEL_PRIVATE
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struct rusage_info_child ri_child; /* (PL) sum of additional stats for reaped children (proc_pid_rusage) */
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struct user_uprof { /* profile arguments */
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struct user_uprof *pr_next; /* multiple prof buffers allowed */
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user_addr_t pr_base; /* buffer base */
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user_size_t pr_size; /* buffer size */
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user_ulong_t pr_off; /* pc offset */
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user_ulong_t pr_scale; /* pc scaling */
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user_ulong_t pr_addr; /* temp storage for addr until AST */
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user_ulong_t pr_ticks; /* temp storage for ticks until AST */
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} user_p_prof;
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#endif // XNU_KERNEL_PRIVATE
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};
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#ifdef XNU_KERNEL_PRIVATE
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#pragma GCC visibility push(hidden)
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/*
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* Kernel shareable process resource limits:
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* Because this structure is moderately large but changed infrequently, it is normally
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* shared copy-on-write after a fork. The pl_refcnt variable records the number of
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* "processes" (NOT threads) currently sharing the plimit. A plimit is freed when the
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* last referencing process exits the system. The refcnt of the plimit is a race-free
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* _Atomic variable. We allocate new plimits in proc_limitupdate and free them
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* in proc_limitdrop/proc_limitupdate.
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*/
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struct plimit {
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struct smr_node pl_node;
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struct rlimit pl_rlimit[RLIM_NLIMITS];
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os_refcnt_t pl_refcnt;
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};
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struct proc;
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void calcru(struct proc *p, struct timeval *up, struct timeval *sp, struct timeval *ip);
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void ruadd(struct rusage *ru, struct rusage *ru2);
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void update_rusage_info_child(struct rusage_info_child *ru, rusage_info_current *ru_current);
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struct rlimit proc_limitget(struct proc *p, int which);
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void proc_limitfork(struct proc *parent, struct proc *child);
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void proc_limitdrop(struct proc *p);
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rlim_t proc_limitgetcur(struct proc *p, int which);
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void proc_limitsetcur_fsize(struct proc *p, rlim_t value);
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int proc_limitgetcur_nofile(struct proc *p);
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void gather_rusage_info(struct proc *p, rusage_info_current *ru, int flavor);
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int proc_get_rusage(struct proc *proc, int flavor, user_addr_t buffer, int is_zombie);
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int iopolicysys_vfs_materialize_dataless_files(struct proc *p, int cmd, int scope,
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int policy, struct _iopol_param_t *iop_param);
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#pragma GCC visibility pop
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#endif /* XNU_KERNEL_PRIVATE */
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#endif /* !_SYS_RESOURCEVAR_H_ */
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