/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* 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_OSREFERENCE_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>
#include <sys/resource.h>
#include <sys/_types/_caddr_t.h>
#ifdef XNU_KERNEL_PRIVATE
#include <kern/smr_types.h>
#include <os/refcnt.h>
#endif
/*
* Kernel per-process accounting / statistics
* (not necessarily resident except when running).
*/
struct pstats {
struct rusage p_ru; /* stats for this proc */
struct rusage p_cru; /* (PL) 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_int32_t pr_size; /* buffer size */
u_int32_t pr_off; /* pc offset */
u_int32_t pr_scale; /* pc scaling */
u_int32_t pr_addr; /* temp storage for addr until AST */
u_int32_t pr_ticks; /* temp storage for ticks until AST */
} p_prof;
uint64_t ps_start; /* starting time ; compat only */
#ifdef XNU_KERNEL_PRIVATE
struct rusage_info_child ri_child; /* (PL) sum of additional stats for reaped children (proc_pid_rusage) */
struct user_uprof { /* profile arguments */
struct user_uprof *pr_next; /* multiple prof buffers allowed */
user_addr_t pr_base; /* buffer base */
user_size_t pr_size; /* buffer size */
user_ulong_t pr_off; /* pc offset */
user_ulong_t pr_scale; /* pc scaling */
user_ulong_t pr_addr; /* temp storage for addr until AST */
user_ulong_t pr_ticks; /* temp storage for ticks until AST */
} user_p_prof;
#endif // XNU_KERNEL_PRIVATE
};
#ifdef XNU_KERNEL_PRIVATE
#pragma GCC visibility push(hidden)
/*
* Kernel shareable process resource limits:
* Because this structure is moderately large but changed infrequently, it is normally
* shared copy-on-write after a fork. The pl_refcnt variable records the number of
* "processes" (NOT threads) currently sharing the plimit. A plimit is freed when the
* last referencing process exits the system. The refcnt of the plimit is a race-free
* _Atomic variable. We allocate new plimits in proc_limitupdate and free them
* in proc_limitdrop/proc_limitupdate.
*/
struct plimit {
struct smr_node pl_node;
struct rlimit pl_rlimit[RLIM_NLIMITS];
os_refcnt_t pl_refcnt;
};
struct proc;
void calcru(struct proc *p, struct timeval *up, struct timeval *sp, struct timeval *ip);
void ruadd(struct rusage *ru, struct rusage *ru2);
void update_rusage_info_child(struct rusage_info_child *ru, rusage_info_current *ru_current);
struct rlimit proc_limitget(struct proc *p, int which);
void proc_limitfork(struct proc *parent, struct proc *child);
void proc_limitdrop(struct proc *p);
rlim_t proc_limitgetcur(struct proc *p, int which);
void proc_limitsetcur_fsize(struct proc *p, rlim_t value);
int proc_limitgetcur_nofile(struct proc *p);
void gather_rusage_info(struct proc *p, rusage_info_current *ru, int flavor);
int proc_get_rusage(struct proc *proc, int flavor, user_addr_t buffer, int is_zombie);
int iopolicysys_vfs_materialize_dataless_files(struct proc *p, int cmd, int scope,
int policy, struct _iopol_param_t *iop_param);
#pragma GCC visibility pop
#endif /* XNU_KERNEL_PRIVATE */
#endif /* !_SYS_RESOURCEVAR_H_ */