/* * 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 #include #include #ifdef XNU_KERNEL_PRIVATE #include #include #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_ */