1 | /* |
2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ |
29 | /* |
30 | * Copyright (c) 1991, 1993 |
31 | * The Regents of the University of California. All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: |
43 | * This product includes software developed by the University of |
44 | * California, Berkeley and its contributors. |
45 | * 4. Neither the name of the University nor the names of its contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
59 | * SUCH DAMAGE. |
60 | * |
61 | * @(#)resourcevar.h 8.4 (Berkeley) 1/9/95 |
62 | */ |
63 | |
64 | #ifndef _SYS_RESOURCEVAR_H_ |
65 | #define _SYS_RESOURCEVAR_H_ |
66 | |
67 | #include <sys/appleapiopts.h> |
68 | #include <sys/resource.h> |
69 | #include <sys/_types/_caddr_t.h> |
70 | #ifdef XNU_KERNEL_PRIVATE |
71 | #include <kern/smr_types.h> |
72 | #include <os/refcnt.h> |
73 | #endif |
74 | |
75 | /* |
76 | * Kernel per-process accounting / statistics |
77 | * (not necessarily resident except when running). |
78 | */ |
79 | struct pstats { |
80 | struct rusage p_ru; /* stats for this proc */ |
81 | struct rusage p_cru; /* (PL) sum of stats for reaped children */ |
82 | |
83 | struct uprof { /* profile arguments */ |
84 | struct uprof *pr_next; /* multiple prof buffers allowed */ |
85 | caddr_t pr_base; /* buffer base */ |
86 | u_int32_t pr_size; /* buffer size */ |
87 | u_int32_t pr_off; /* pc offset */ |
88 | u_int32_t pr_scale; /* pc scaling */ |
89 | u_int32_t pr_addr; /* temp storage for addr until AST */ |
90 | u_int32_t pr_ticks; /* temp storage for ticks until AST */ |
91 | } p_prof; |
92 | |
93 | uint64_t ps_start; /* starting time ; compat only */ |
94 | #ifdef XNU_KERNEL_PRIVATE |
95 | struct rusage_info_child ri_child; /* (PL) sum of additional stats for reaped children (proc_pid_rusage) */ |
96 | struct user_uprof { /* profile arguments */ |
97 | struct user_uprof *pr_next; /* multiple prof buffers allowed */ |
98 | user_addr_t pr_base; /* buffer base */ |
99 | user_size_t pr_size; /* buffer size */ |
100 | user_ulong_t pr_off; /* pc offset */ |
101 | user_ulong_t pr_scale; /* pc scaling */ |
102 | user_ulong_t pr_addr; /* temp storage for addr until AST */ |
103 | user_ulong_t pr_ticks; /* temp storage for ticks until AST */ |
104 | } user_p_prof; |
105 | #endif // XNU_KERNEL_PRIVATE |
106 | }; |
107 | |
108 | #ifdef XNU_KERNEL_PRIVATE |
109 | #pragma GCC visibility push(hidden) |
110 | /* |
111 | * Kernel shareable process resource limits: |
112 | * Because this structure is moderately large but changed infrequently, it is normally |
113 | * shared copy-on-write after a fork. The pl_refcnt variable records the number of |
114 | * "processes" (NOT threads) currently sharing the plimit. A plimit is freed when the |
115 | * last referencing process exits the system. The refcnt of the plimit is a race-free |
116 | * _Atomic variable. We allocate new plimits in proc_limitupdate and free them |
117 | * in proc_limitdrop/proc_limitupdate. |
118 | */ |
119 | struct plimit { |
120 | struct smr_node pl_node; |
121 | struct rlimit pl_rlimit[RLIM_NLIMITS]; |
122 | os_refcnt_t pl_refcnt; |
123 | }; |
124 | struct proc; |
125 | |
126 | void calcru(struct proc *p, struct timeval *up, struct timeval *sp, struct timeval *ip); |
127 | void ruadd(struct rusage *ru, struct rusage *ru2); |
128 | void update_rusage_info_child(struct rusage_info_child *ru, rusage_info_current *ru_current); |
129 | struct rlimit proc_limitget(struct proc *p, int which); |
130 | void proc_limitfork(struct proc *parent, struct proc *child); |
131 | void proc_limitdrop(struct proc *p); |
132 | rlim_t proc_limitgetcur(struct proc *p, int which); |
133 | void proc_limitsetcur_fsize(struct proc *p, rlim_t value); |
134 | int proc_limitgetcur_nofile(struct proc *p); |
135 | |
136 | void gather_rusage_info(struct proc *p, rusage_info_current *ru, int flavor); |
137 | int proc_get_rusage(struct proc *proc, int flavor, user_addr_t buffer, int is_zombie); |
138 | int iopolicysys_vfs_materialize_dataless_files(struct proc *p, int cmd, int scope, |
139 | int policy, struct _iopol_param_t *iop_param); |
140 | |
141 | #pragma GCC visibility pop |
142 | #endif /* XNU_KERNEL_PRIVATE */ |
143 | #endif /* !_SYS_RESOURCEVAR_H_ */ |
144 | |