1/*
2 * Copyright (c) 2000-2018 Apple 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 NeXT Computer, Inc. All Rights Reserved */
29/*
30 * Copyright (c) 1982, 1986, 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 * @(#)resource.h 8.2 (Berkeley) 1/4/94
62 */
63
64#ifndef _SYS_RESOURCE_H_
65#define _SYS_RESOURCE_H_
66
67#include <sys/appleapiopts.h>
68#include <sys/cdefs.h>
69#include <sys/_types.h>
70
71#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
72#include <stdint.h>
73#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
74
75#include <Availability.h>
76
77/* [XSI] The timeval structure shall be defined as described in
78 * <sys/time.h>
79 */
80#include <sys/_types/_timeval.h>
81
82/* The id_t type shall be defined as described in <sys/types.h> */
83#include <sys/_types/_id_t.h>
84
85
86/*
87 * Resource limit type (low 63 bits, excluding the sign bit)
88 */
89typedef __uint64_t rlim_t;
90
91
92/*****
93 * PRIORITY
94 */
95
96/*
97 * Possible values of the first parameter to getpriority()/setpriority(),
98 * used to indicate the type of the second parameter.
99 */
100#define PRIO_PROCESS 0 /* Second argument is a PID */
101#define PRIO_PGRP 1 /* Second argument is a GID */
102#define PRIO_USER 2 /* Second argument is a UID */
103
104#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
105#define PRIO_DARWIN_THREAD 3 /* Second argument is always 0 (current thread) */
106#define PRIO_DARWIN_PROCESS 4 /* Second argument is a PID */
107/* Additional private parameters to getpriority()/setpriority() are in resource_private.h */
108
109/*
110 * Range limitations for the value of the third parameter to setpriority().
111 */
112#define PRIO_MIN -20
113#define PRIO_MAX 20
114
115/*
116 * use PRIO_DARWIN_BG to set the current thread into "background" state
117 * which lowers CPU, disk IO, and networking priorites until thread terminates
118 * or "background" state is revoked
119 */
120#define PRIO_DARWIN_BG 0x1000
121
122/*
123 * use PRIO_DARWIN_NONUI to restrict a process's ability to make calls to
124 * the GPU. (deprecated)
125 */
126#define PRIO_DARWIN_NONUI 0x1001
127
128#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
129
130
131
132/*****
133 * RESOURCE USAGE
134 */
135
136/*
137 * Possible values of the first parameter to getrusage(), used to indicate
138 * the scope of the information to be returned.
139 */
140#define RUSAGE_SELF 0 /* Current process information */
141#define RUSAGE_CHILDREN -1 /* Current process' children */
142
143/*
144 * A structure representing an accounting of resource utilization. The
145 * address of an instance of this structure is the second parameter to
146 * getrusage().
147 *
148 * Note: All values other than ru_utime and ru_stime are implementaiton
149 * defined and subject to change in a future release. Their use
150 * is discouraged for standards compliant programs.
151 */
152struct rusage {
153 struct timeval ru_utime; /* user time used (PL) */
154 struct timeval ru_stime; /* system time used (PL) */
155#if __DARWIN_C_LEVEL < __DARWIN_C_FULL
156 long ru_opaque[14]; /* implementation defined */
157#else
158 /*
159 * Informational aliases for source compatibility with programs
160 * that need more information than that provided by standards,
161 * and which do not mind being OS-dependent.
162 */
163 long ru_maxrss; /* max resident set size (PL) */
164#define ru_first ru_ixrss /* internal: ruadd() range start */
165 long ru_ixrss; /* integral shared memory size (NU) */
166 long ru_idrss; /* integral unshared data (NU) */
167 long ru_isrss; /* integral unshared stack (NU) */
168 long ru_minflt; /* page reclaims (NU) */
169 long ru_majflt; /* page faults (NU) */
170 long ru_nswap; /* swaps (NU) */
171 long ru_inblock; /* block input operations (atomic) */
172 long ru_oublock; /* block output operations (atomic) */
173 long ru_msgsnd; /* messages sent (atomic) */
174 long ru_msgrcv; /* messages received (atomic) */
175 long ru_nsignals; /* signals received (atomic) */
176 long ru_nvcsw; /* voluntary context switches (atomic) */
177 long ru_nivcsw; /* involuntary " */
178#define ru_last ru_nivcsw /* internal: ruadd() range end */
179#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
180};
181
182#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
183/*
184 * Flavors for proc_pid_rusage().
185 */
186#define RUSAGE_INFO_V0 0
187#define RUSAGE_INFO_V1 1
188#define RUSAGE_INFO_V2 2
189#define RUSAGE_INFO_V3 3
190#define RUSAGE_INFO_V4 4
191#define RUSAGE_INFO_V5 5
192#define RUSAGE_INFO_V6 6
193#define RUSAGE_INFO_CURRENT RUSAGE_INFO_V6
194
195/*
196 * Flags for RUSAGE_INFO_V5
197 */
198#define RU_PROC_RUNS_RESLIDE 0x00000001 /* proc has reslid shared cache */
199
200typedef void *rusage_info_t;
201
202struct rusage_info_v0 {
203 uint8_t ri_uuid[16];
204 uint64_t ri_user_time;
205 uint64_t ri_system_time;
206 uint64_t ri_pkg_idle_wkups;
207 uint64_t ri_interrupt_wkups;
208 uint64_t ri_pageins;
209 uint64_t ri_wired_size;
210 uint64_t ri_resident_size;
211 uint64_t ri_phys_footprint;
212 uint64_t ri_proc_start_abstime;
213 uint64_t ri_proc_exit_abstime;
214};
215
216struct rusage_info_v1 {
217 uint8_t ri_uuid[16];
218 uint64_t ri_user_time;
219 uint64_t ri_system_time;
220 uint64_t ri_pkg_idle_wkups;
221 uint64_t ri_interrupt_wkups;
222 uint64_t ri_pageins;
223 uint64_t ri_wired_size;
224 uint64_t ri_resident_size;
225 uint64_t ri_phys_footprint;
226 uint64_t ri_proc_start_abstime;
227 uint64_t ri_proc_exit_abstime;
228 uint64_t ri_child_user_time;
229 uint64_t ri_child_system_time;
230 uint64_t ri_child_pkg_idle_wkups;
231 uint64_t ri_child_interrupt_wkups;
232 uint64_t ri_child_pageins;
233 uint64_t ri_child_elapsed_abstime;
234};
235
236struct rusage_info_v2 {
237 uint8_t ri_uuid[16];
238 uint64_t ri_user_time;
239 uint64_t ri_system_time;
240 uint64_t ri_pkg_idle_wkups;
241 uint64_t ri_interrupt_wkups;
242 uint64_t ri_pageins;
243 uint64_t ri_wired_size;
244 uint64_t ri_resident_size;
245 uint64_t ri_phys_footprint;
246 uint64_t ri_proc_start_abstime;
247 uint64_t ri_proc_exit_abstime;
248 uint64_t ri_child_user_time;
249 uint64_t ri_child_system_time;
250 uint64_t ri_child_pkg_idle_wkups;
251 uint64_t ri_child_interrupt_wkups;
252 uint64_t ri_child_pageins;
253 uint64_t ri_child_elapsed_abstime;
254 uint64_t ri_diskio_bytesread;
255 uint64_t ri_diskio_byteswritten;
256};
257
258struct rusage_info_v3 {
259 uint8_t ri_uuid[16];
260 uint64_t ri_user_time;
261 uint64_t ri_system_time;
262 uint64_t ri_pkg_idle_wkups;
263 uint64_t ri_interrupt_wkups;
264 uint64_t ri_pageins;
265 uint64_t ri_wired_size;
266 uint64_t ri_resident_size;
267 uint64_t ri_phys_footprint;
268 uint64_t ri_proc_start_abstime;
269 uint64_t ri_proc_exit_abstime;
270 uint64_t ri_child_user_time;
271 uint64_t ri_child_system_time;
272 uint64_t ri_child_pkg_idle_wkups;
273 uint64_t ri_child_interrupt_wkups;
274 uint64_t ri_child_pageins;
275 uint64_t ri_child_elapsed_abstime;
276 uint64_t ri_diskio_bytesread;
277 uint64_t ri_diskio_byteswritten;
278 uint64_t ri_cpu_time_qos_default;
279 uint64_t ri_cpu_time_qos_maintenance;
280 uint64_t ri_cpu_time_qos_background;
281 uint64_t ri_cpu_time_qos_utility;
282 uint64_t ri_cpu_time_qos_legacy;
283 uint64_t ri_cpu_time_qos_user_initiated;
284 uint64_t ri_cpu_time_qos_user_interactive;
285 uint64_t ri_billed_system_time;
286 uint64_t ri_serviced_system_time;
287};
288
289struct rusage_info_v4 {
290 uint8_t ri_uuid[16];
291 uint64_t ri_user_time;
292 uint64_t ri_system_time;
293 uint64_t ri_pkg_idle_wkups;
294 uint64_t ri_interrupt_wkups;
295 uint64_t ri_pageins;
296 uint64_t ri_wired_size;
297 uint64_t ri_resident_size;
298 uint64_t ri_phys_footprint;
299 uint64_t ri_proc_start_abstime;
300 uint64_t ri_proc_exit_abstime;
301 uint64_t ri_child_user_time;
302 uint64_t ri_child_system_time;
303 uint64_t ri_child_pkg_idle_wkups;
304 uint64_t ri_child_interrupt_wkups;
305 uint64_t ri_child_pageins;
306 uint64_t ri_child_elapsed_abstime;
307 uint64_t ri_diskio_bytesread;
308 uint64_t ri_diskio_byteswritten;
309 uint64_t ri_cpu_time_qos_default;
310 uint64_t ri_cpu_time_qos_maintenance;
311 uint64_t ri_cpu_time_qos_background;
312 uint64_t ri_cpu_time_qos_utility;
313 uint64_t ri_cpu_time_qos_legacy;
314 uint64_t ri_cpu_time_qos_user_initiated;
315 uint64_t ri_cpu_time_qos_user_interactive;
316 uint64_t ri_billed_system_time;
317 uint64_t ri_serviced_system_time;
318 uint64_t ri_logical_writes;
319 uint64_t ri_lifetime_max_phys_footprint;
320 uint64_t ri_instructions;
321 uint64_t ri_cycles;
322 uint64_t ri_billed_energy;
323 uint64_t ri_serviced_energy;
324 uint64_t ri_interval_max_phys_footprint;
325 uint64_t ri_runnable_time;
326};
327
328struct rusage_info_v5 {
329 uint8_t ri_uuid[16];
330 uint64_t ri_user_time;
331 uint64_t ri_system_time;
332 uint64_t ri_pkg_idle_wkups;
333 uint64_t ri_interrupt_wkups;
334 uint64_t ri_pageins;
335 uint64_t ri_wired_size;
336 uint64_t ri_resident_size;
337 uint64_t ri_phys_footprint;
338 uint64_t ri_proc_start_abstime;
339 uint64_t ri_proc_exit_abstime;
340 uint64_t ri_child_user_time;
341 uint64_t ri_child_system_time;
342 uint64_t ri_child_pkg_idle_wkups;
343 uint64_t ri_child_interrupt_wkups;
344 uint64_t ri_child_pageins;
345 uint64_t ri_child_elapsed_abstime;
346 uint64_t ri_diskio_bytesread;
347 uint64_t ri_diskio_byteswritten;
348 uint64_t ri_cpu_time_qos_default;
349 uint64_t ri_cpu_time_qos_maintenance;
350 uint64_t ri_cpu_time_qos_background;
351 uint64_t ri_cpu_time_qos_utility;
352 uint64_t ri_cpu_time_qos_legacy;
353 uint64_t ri_cpu_time_qos_user_initiated;
354 uint64_t ri_cpu_time_qos_user_interactive;
355 uint64_t ri_billed_system_time;
356 uint64_t ri_serviced_system_time;
357 uint64_t ri_logical_writes;
358 uint64_t ri_lifetime_max_phys_footprint;
359 uint64_t ri_instructions;
360 uint64_t ri_cycles;
361 uint64_t ri_billed_energy;
362 uint64_t ri_serviced_energy;
363 uint64_t ri_interval_max_phys_footprint;
364 uint64_t ri_runnable_time;
365 uint64_t ri_flags;
366};
367
368struct rusage_info_v6 {
369 uint8_t ri_uuid[16];
370 uint64_t ri_user_time;
371 uint64_t ri_system_time;
372 uint64_t ri_pkg_idle_wkups;
373 uint64_t ri_interrupt_wkups;
374 uint64_t ri_pageins;
375 uint64_t ri_wired_size;
376 uint64_t ri_resident_size;
377 uint64_t ri_phys_footprint;
378 uint64_t ri_proc_start_abstime;
379 uint64_t ri_proc_exit_abstime;
380 uint64_t ri_child_user_time;
381 uint64_t ri_child_system_time;
382 uint64_t ri_child_pkg_idle_wkups;
383 uint64_t ri_child_interrupt_wkups;
384 uint64_t ri_child_pageins;
385 uint64_t ri_child_elapsed_abstime;
386 uint64_t ri_diskio_bytesread;
387 uint64_t ri_diskio_byteswritten;
388 uint64_t ri_cpu_time_qos_default;
389 uint64_t ri_cpu_time_qos_maintenance;
390 uint64_t ri_cpu_time_qos_background;
391 uint64_t ri_cpu_time_qos_utility;
392 uint64_t ri_cpu_time_qos_legacy;
393 uint64_t ri_cpu_time_qos_user_initiated;
394 uint64_t ri_cpu_time_qos_user_interactive;
395 uint64_t ri_billed_system_time;
396 uint64_t ri_serviced_system_time;
397 uint64_t ri_logical_writes;
398 uint64_t ri_lifetime_max_phys_footprint;
399 uint64_t ri_instructions;
400 uint64_t ri_cycles;
401 uint64_t ri_billed_energy;
402 uint64_t ri_serviced_energy;
403 uint64_t ri_interval_max_phys_footprint;
404 uint64_t ri_runnable_time;
405 uint64_t ri_flags;
406 uint64_t ri_user_ptime;
407 uint64_t ri_system_ptime;
408 uint64_t ri_pinstructions;
409 uint64_t ri_pcycles;
410 uint64_t ri_energy_nj;
411 uint64_t ri_penergy_nj;
412 uint64_t ri_secure_time_in_system;
413 uint64_t ri_secure_ptime_in_system;
414 uint64_t ri_neural_footprint;
415 uint64_t ri_lifetime_max_neural_footprint;
416 uint64_t ri_interval_max_neural_footprint;
417 uint64_t ri_reserved[9];
418};
419
420typedef struct rusage_info_v6 rusage_info_current;
421
422#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
423
424
425
426/*****
427 * RESOURCE LIMITS
428 */
429
430/*
431 * Symbolic constants for resource limits; since all limits are representable
432 * as a type rlim_t, we are permitted to define RLIM_SAVED_* in terms of
433 * RLIM_INFINITY.
434 */
435#define RLIM_INFINITY (((__uint64_t)1 << 63) - 1) /* no limit */
436#define RLIM_SAVED_MAX RLIM_INFINITY /* Unrepresentable hard limit */
437#define RLIM_SAVED_CUR RLIM_INFINITY /* Unrepresentable soft limit */
438
439/*
440 * Possible values of the first parameter to getrlimit()/setrlimit(), to
441 * indicate for which resource the operation is being performed.
442 */
443#define RLIMIT_CPU 0 /* cpu time per process */
444#define RLIMIT_FSIZE 1 /* file size */
445#define RLIMIT_DATA 2 /* data segment size */
446#define RLIMIT_STACK 3 /* stack size */
447#define RLIMIT_CORE 4 /* core file size */
448#define RLIMIT_AS 5 /* address space (resident set size) */
449#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
450#define RLIMIT_RSS RLIMIT_AS /* source compatibility alias */
451#define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */
452#define RLIMIT_NPROC 7 /* number of processes */
453#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
454#define RLIMIT_NOFILE 8 /* number of open files */
455#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
456#define RLIM_NLIMITS 9 /* total number of resource limits */
457#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
458#define _RLIMIT_POSIX_FLAG 0x1000 /* Set bit for strict POSIX */
459
460/*
461 * A structure representing a resource limit. The address of an instance
462 * of this structure is the second parameter to getrlimit()/setrlimit().
463 */
464struct rlimit {
465 rlim_t rlim_cur; /* current (soft) limit */
466 rlim_t rlim_max; /* maximum value for rlim_cur */
467};
468
469#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
470/*
471 * proc_rlimit_control()
472 *
473 * Resource limit flavors
474 */
475#define RLIMIT_WAKEUPS_MONITOR 0x1 /* Configure the wakeups monitor. */
476#define RLIMIT_CPU_USAGE_MONITOR 0x2 /* Configure the CPU usage monitor. */
477#define RLIMIT_THREAD_CPULIMITS 0x3 /* Configure a blocking, per-thread, CPU limits. */
478#define RLIMIT_FOOTPRINT_INTERVAL 0x4 /* Configure memory footprint interval tracking */
479
480/*
481 * Flags for wakeups monitor control.
482 */
483#define WAKEMON_ENABLE 0x01
484#define WAKEMON_DISABLE 0x02
485#define WAKEMON_GET_PARAMS 0x04
486#define WAKEMON_SET_DEFAULTS 0x08
487#define WAKEMON_MAKE_FATAL 0x10 /* Configure the task so that violations are fatal. */
488
489/*
490 * Flags for CPU usage monitor control.
491 */
492#define CPUMON_MAKE_FATAL 0x1000
493
494/*
495 * Flags for memory footprint interval tracking.
496 */
497#define FOOTPRINT_INTERVAL_RESET 0x1 /* Reset the footprint interval counter to zero */
498
499struct proc_rlimit_control_wakeupmon {
500 uint32_t wm_flags;
501 int32_t wm_rate;
502};
503
504/* Additional private I/O policies are in resource_private.h */
505
506/* I/O type */
507#define IOPOL_TYPE_DISK 0
508#define IOPOL_TYPE_VFS_ATIME_UPDATES 2
509#define IOPOL_TYPE_VFS_MATERIALIZE_DATALESS_FILES 3
510#define IOPOL_TYPE_VFS_STATFS_NO_DATA_VOLUME 4
511#define IOPOL_TYPE_VFS_TRIGGER_RESOLVE 5
512#define IOPOL_TYPE_VFS_IGNORE_CONTENT_PROTECTION 6
513#define IOPOL_TYPE_VFS_IGNORE_PERMISSIONS 7
514#define IOPOL_TYPE_VFS_SKIP_MTIME_UPDATE 8
515#define IOPOL_TYPE_VFS_ALLOW_LOW_SPACE_WRITES 9
516#define IOPOL_TYPE_VFS_DISALLOW_RW_FOR_O_EVTONLY 10
517#define IOPOL_TYPE_VFS_ENTITLED_RESERVE_ACCESS 14
518
519/* scope */
520#define IOPOL_SCOPE_PROCESS 0
521#define IOPOL_SCOPE_THREAD 1
522#define IOPOL_SCOPE_DARWIN_BG 2
523
524/* I/O Priority */
525#define IOPOL_DEFAULT 0
526#define IOPOL_IMPORTANT 1
527#define IOPOL_PASSIVE 2
528#define IOPOL_THROTTLE 3
529#define IOPOL_UTILITY 4
530#define IOPOL_STANDARD 5
531
532/* compatibility with older names */
533#define IOPOL_APPLICATION IOPOL_STANDARD
534#define IOPOL_NORMAL IOPOL_IMPORTANT
535
536#define IOPOL_ATIME_UPDATES_DEFAULT 0
537#define IOPOL_ATIME_UPDATES_OFF 1
538
539#define IOPOL_MATERIALIZE_DATALESS_FILES_DEFAULT 0
540#define IOPOL_MATERIALIZE_DATALESS_FILES_OFF 1
541#define IOPOL_MATERIALIZE_DATALESS_FILES_ON 2
542#define IOPOL_MATERIALIZE_DATALESS_FILES_ORIG 4
543
544#define IOPOL_MATERIALIZE_DATALESS_FILES_BASIC_MASK 3
545
546#define IOPOL_VFS_STATFS_NO_DATA_VOLUME_DEFAULT 0
547#define IOPOL_VFS_STATFS_FORCE_NO_DATA_VOLUME 1
548
549#define IOPOL_VFS_TRIGGER_RESOLVE_DEFAULT 0
550#define IOPOL_VFS_TRIGGER_RESOLVE_OFF 1
551
552#define IOPOL_VFS_CONTENT_PROTECTION_DEFAULT 0
553#define IOPOL_VFS_CONTENT_PROTECTION_IGNORE 1
554
555#define IOPOL_VFS_IGNORE_PERMISSIONS_OFF 0
556#define IOPOL_VFS_IGNORE_PERMISSIONS_ON 1
557
558#define IOPOL_VFS_SKIP_MTIME_UPDATE_OFF 0
559#define IOPOL_VFS_SKIP_MTIME_UPDATE_ON 1
560#define IOPOL_VFS_SKIP_MTIME_UPDATE_IGNORE 2
561
562#define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_OFF 0
563#define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_ON 1
564
565#define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_DEFAULT 0
566#define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_ON 1
567
568#define IOPOL_VFS_NOCACHE_WRITE_FS_BLKSIZE_DEFAULT 0
569#define IOPOL_VFS_NOCACHE_WRITE_FS_BLKSIZE_ON 1
570
571#define IOPOL_VFS_ENTITLED_RESERVE_ACCESS_OFF 0
572#define IOPOL_VFS_ENTITLED_RESERVE_ACCESS_ON 1
573
574#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
575
576
577__BEGIN_DECLS
578int getpriority(int, id_t);
579#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
580int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
581#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
582int getrlimit(int, struct rlimit *) __DARWIN_ALIAS(getrlimit);
583int getrusage(int, struct rusage *);
584int setpriority(int, id_t, int);
585#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
586int setiopolicy_np(int, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
587#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
588int setrlimit(int, const struct rlimit *) __DARWIN_ALIAS(setrlimit);
589__END_DECLS
590
591
592
593#endif /* !_SYS_RESOURCE_H_ */