xref: /xnu-11215.41.3/bsd/sys/resource.h (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
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 #ifndef KERNEL
76 #include <Availability.h>
77 #endif
78 
79 /* [XSI] The timeval structure shall be defined as described in
80  * <sys/time.h>
81  */
82 #include <sys/_types/_timeval.h>
83 #ifdef KERNEL
84 #include <sys/_types/_user32_timeval.h>
85 #include <sys/_types/_user64_timeval.h>
86 #endif
87 
88 /* The id_t type shall be defined as described in <sys/types.h> */
89 #include <sys/_types/_id_t.h>
90 
91 
92 /*
93  * Resource limit type (low 63 bits, excluding the sign bit)
94  */
95 typedef __uint64_t      rlim_t;
96 
97 
98 /*****
99  * PRIORITY
100  */
101 
102 /*
103  * Possible values of the first parameter to getpriority()/setpriority(),
104  * used to indicate the type of the second parameter.
105  */
106 #define PRIO_PROCESS    0               /* Second argument is a PID */
107 #define PRIO_PGRP       1               /* Second argument is a GID */
108 #define PRIO_USER       2               /* Second argument is a UID */
109 
110 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
111 #define PRIO_DARWIN_THREAD      3               /* Second argument is always 0 (current thread) */
112 #define PRIO_DARWIN_PROCESS     4               /* Second argument is a PID */
113 /* Additional private parameters to getpriority()/setpriority() are in resource_private.h */
114 
115 /*
116  * Range limitations for the value of the third parameter to setpriority().
117  */
118 #define PRIO_MIN        -20
119 #define PRIO_MAX        20
120 
121 /*
122  * use PRIO_DARWIN_BG to set the current thread into "background" state
123  * which lowers CPU, disk IO, and networking priorites until thread terminates
124  * or "background" state is revoked
125  */
126 #define PRIO_DARWIN_BG 0x1000
127 
128 /*
129  * use PRIO_DARWIN_NONUI to restrict a process's ability to make calls to
130  * the GPU. (deprecated)
131  */
132 #define PRIO_DARWIN_NONUI 0x1001
133 
134 #endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
135 
136 
137 
138 /*****
139  * RESOURCE USAGE
140  */
141 
142 /*
143  * Possible values of the first parameter to getrusage(), used to indicate
144  * the scope of the information to be returned.
145  */
146 #define RUSAGE_SELF     0               /* Current process information */
147 #define RUSAGE_CHILDREN -1              /* Current process' children */
148 
149 /*
150  * A structure representing an accounting of resource utilization.  The
151  * address of an instance of this structure is the second parameter to
152  * getrusage().
153  *
154  * Note: All values other than ru_utime and ru_stime are implementaiton
155  *       defined and subject to change in a future release.  Their use
156  *       is discouraged for standards compliant programs.
157  */
158 struct  rusage {
159 	struct timeval ru_utime;        /* user time used (PL) */
160 	struct timeval ru_stime;        /* system time used (PL) */
161 #if __DARWIN_C_LEVEL < __DARWIN_C_FULL
162 	long    ru_opaque[14];          /* implementation defined */
163 #else
164 	/*
165 	 * Informational aliases for source compatibility with programs
166 	 * that need more information than that provided by standards,
167 	 * and which do not mind being OS-dependent.
168 	 */
169 	long    ru_maxrss;              /* max resident set size (PL) */
170 #define ru_first        ru_ixrss        /* internal: ruadd() range start */
171 	long    ru_ixrss;               /* integral shared memory size (NU) */
172 	long    ru_idrss;               /* integral unshared data (NU)  */
173 	long    ru_isrss;               /* integral unshared stack (NU) */
174 	long    ru_minflt;              /* page reclaims (NU) */
175 	long    ru_majflt;              /* page faults (NU) */
176 	long    ru_nswap;               /* swaps (NU) */
177 	long    ru_inblock;             /* block input operations (atomic) */
178 	long    ru_oublock;             /* block output operations (atomic) */
179 	long    ru_msgsnd;              /* messages sent (atomic) */
180 	long    ru_msgrcv;              /* messages received (atomic) */
181 	long    ru_nsignals;            /* signals received (atomic) */
182 	long    ru_nvcsw;               /* voluntary context switches (atomic) */
183 	long    ru_nivcsw;              /* involuntary " */
184 #define ru_last         ru_nivcsw       /* internal: ruadd() range end */
185 #endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
186 };
187 
188 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
189 /*
190  * Flavors for proc_pid_rusage().
191  */
192 #define RUSAGE_INFO_V0  0
193 #define RUSAGE_INFO_V1  1
194 #define RUSAGE_INFO_V2  2
195 #define RUSAGE_INFO_V3  3
196 #define RUSAGE_INFO_V4  4
197 #define RUSAGE_INFO_V5  5
198 #define RUSAGE_INFO_V6  6
199 #define RUSAGE_INFO_CURRENT RUSAGE_INFO_V6
200 
201 /*
202  * Flags for RUSAGE_INFO_V5
203  */
204 #define RU_PROC_RUNS_RESLIDE    0x00000001      /* proc has reslid shared cache */
205 
206 typedef void *rusage_info_t;
207 
208 struct rusage_info_v0 {
209 	uint8_t  ri_uuid[16];
210 	uint64_t ri_user_time;
211 	uint64_t ri_system_time;
212 	uint64_t ri_pkg_idle_wkups;
213 	uint64_t ri_interrupt_wkups;
214 	uint64_t ri_pageins;
215 	uint64_t ri_wired_size;
216 	uint64_t ri_resident_size;
217 	uint64_t ri_phys_footprint;
218 	uint64_t ri_proc_start_abstime;
219 	uint64_t ri_proc_exit_abstime;
220 };
221 
222 struct rusage_info_v1 {
223 	uint8_t  ri_uuid[16];
224 	uint64_t ri_user_time;
225 	uint64_t ri_system_time;
226 	uint64_t ri_pkg_idle_wkups;
227 	uint64_t ri_interrupt_wkups;
228 	uint64_t ri_pageins;
229 	uint64_t ri_wired_size;
230 	uint64_t ri_resident_size;
231 	uint64_t ri_phys_footprint;
232 	uint64_t ri_proc_start_abstime;
233 	uint64_t ri_proc_exit_abstime;
234 	uint64_t ri_child_user_time;
235 	uint64_t ri_child_system_time;
236 	uint64_t ri_child_pkg_idle_wkups;
237 	uint64_t ri_child_interrupt_wkups;
238 	uint64_t ri_child_pageins;
239 	uint64_t ri_child_elapsed_abstime;
240 };
241 
242 struct rusage_info_v2 {
243 	uint8_t  ri_uuid[16];
244 	uint64_t ri_user_time;
245 	uint64_t ri_system_time;
246 	uint64_t ri_pkg_idle_wkups;
247 	uint64_t ri_interrupt_wkups;
248 	uint64_t ri_pageins;
249 	uint64_t ri_wired_size;
250 	uint64_t ri_resident_size;
251 	uint64_t ri_phys_footprint;
252 	uint64_t ri_proc_start_abstime;
253 	uint64_t ri_proc_exit_abstime;
254 	uint64_t ri_child_user_time;
255 	uint64_t ri_child_system_time;
256 	uint64_t ri_child_pkg_idle_wkups;
257 	uint64_t ri_child_interrupt_wkups;
258 	uint64_t ri_child_pageins;
259 	uint64_t ri_child_elapsed_abstime;
260 	uint64_t ri_diskio_bytesread;
261 	uint64_t ri_diskio_byteswritten;
262 };
263 
264 struct rusage_info_v3 {
265 	uint8_t  ri_uuid[16];
266 	uint64_t ri_user_time;
267 	uint64_t ri_system_time;
268 	uint64_t ri_pkg_idle_wkups;
269 	uint64_t ri_interrupt_wkups;
270 	uint64_t ri_pageins;
271 	uint64_t ri_wired_size;
272 	uint64_t ri_resident_size;
273 	uint64_t ri_phys_footprint;
274 	uint64_t ri_proc_start_abstime;
275 	uint64_t ri_proc_exit_abstime;
276 	uint64_t ri_child_user_time;
277 	uint64_t ri_child_system_time;
278 	uint64_t ri_child_pkg_idle_wkups;
279 	uint64_t ri_child_interrupt_wkups;
280 	uint64_t ri_child_pageins;
281 	uint64_t ri_child_elapsed_abstime;
282 	uint64_t ri_diskio_bytesread;
283 	uint64_t ri_diskio_byteswritten;
284 	uint64_t ri_cpu_time_qos_default;
285 	uint64_t ri_cpu_time_qos_maintenance;
286 	uint64_t ri_cpu_time_qos_background;
287 	uint64_t ri_cpu_time_qos_utility;
288 	uint64_t ri_cpu_time_qos_legacy;
289 	uint64_t ri_cpu_time_qos_user_initiated;
290 	uint64_t ri_cpu_time_qos_user_interactive;
291 	uint64_t ri_billed_system_time;
292 	uint64_t ri_serviced_system_time;
293 };
294 
295 struct rusage_info_v4 {
296 	uint8_t  ri_uuid[16];
297 	uint64_t ri_user_time;
298 	uint64_t ri_system_time;
299 	uint64_t ri_pkg_idle_wkups;
300 	uint64_t ri_interrupt_wkups;
301 	uint64_t ri_pageins;
302 	uint64_t ri_wired_size;
303 	uint64_t ri_resident_size;
304 	uint64_t ri_phys_footprint;
305 	uint64_t ri_proc_start_abstime;
306 	uint64_t ri_proc_exit_abstime;
307 	uint64_t ri_child_user_time;
308 	uint64_t ri_child_system_time;
309 	uint64_t ri_child_pkg_idle_wkups;
310 	uint64_t ri_child_interrupt_wkups;
311 	uint64_t ri_child_pageins;
312 	uint64_t ri_child_elapsed_abstime;
313 	uint64_t ri_diskio_bytesread;
314 	uint64_t ri_diskio_byteswritten;
315 	uint64_t ri_cpu_time_qos_default;
316 	uint64_t ri_cpu_time_qos_maintenance;
317 	uint64_t ri_cpu_time_qos_background;
318 	uint64_t ri_cpu_time_qos_utility;
319 	uint64_t ri_cpu_time_qos_legacy;
320 	uint64_t ri_cpu_time_qos_user_initiated;
321 	uint64_t ri_cpu_time_qos_user_interactive;
322 	uint64_t ri_billed_system_time;
323 	uint64_t ri_serviced_system_time;
324 	uint64_t ri_logical_writes;
325 	uint64_t ri_lifetime_max_phys_footprint;
326 	uint64_t ri_instructions;
327 	uint64_t ri_cycles;
328 	uint64_t ri_billed_energy;
329 	uint64_t ri_serviced_energy;
330 	uint64_t ri_interval_max_phys_footprint;
331 	uint64_t ri_runnable_time;
332 };
333 
334 struct rusage_info_v5 {
335 	uint8_t  ri_uuid[16];
336 	uint64_t ri_user_time;
337 	uint64_t ri_system_time;
338 	uint64_t ri_pkg_idle_wkups;
339 	uint64_t ri_interrupt_wkups;
340 	uint64_t ri_pageins;
341 	uint64_t ri_wired_size;
342 	uint64_t ri_resident_size;
343 	uint64_t ri_phys_footprint;
344 	uint64_t ri_proc_start_abstime;
345 	uint64_t ri_proc_exit_abstime;
346 	uint64_t ri_child_user_time;
347 	uint64_t ri_child_system_time;
348 	uint64_t ri_child_pkg_idle_wkups;
349 	uint64_t ri_child_interrupt_wkups;
350 	uint64_t ri_child_pageins;
351 	uint64_t ri_child_elapsed_abstime;
352 	uint64_t ri_diskio_bytesread;
353 	uint64_t ri_diskio_byteswritten;
354 	uint64_t ri_cpu_time_qos_default;
355 	uint64_t ri_cpu_time_qos_maintenance;
356 	uint64_t ri_cpu_time_qos_background;
357 	uint64_t ri_cpu_time_qos_utility;
358 	uint64_t ri_cpu_time_qos_legacy;
359 	uint64_t ri_cpu_time_qos_user_initiated;
360 	uint64_t ri_cpu_time_qos_user_interactive;
361 	uint64_t ri_billed_system_time;
362 	uint64_t ri_serviced_system_time;
363 	uint64_t ri_logical_writes;
364 	uint64_t ri_lifetime_max_phys_footprint;
365 	uint64_t ri_instructions;
366 	uint64_t ri_cycles;
367 	uint64_t ri_billed_energy;
368 	uint64_t ri_serviced_energy;
369 	uint64_t ri_interval_max_phys_footprint;
370 	uint64_t ri_runnable_time;
371 	uint64_t ri_flags;
372 };
373 
374 struct rusage_info_v6 {
375 	uint8_t  ri_uuid[16];
376 	uint64_t ri_user_time;
377 	uint64_t ri_system_time;
378 	uint64_t ri_pkg_idle_wkups;
379 	uint64_t ri_interrupt_wkups;
380 	uint64_t ri_pageins;
381 	uint64_t ri_wired_size;
382 	uint64_t ri_resident_size;
383 	uint64_t ri_phys_footprint;
384 	uint64_t ri_proc_start_abstime;
385 	uint64_t ri_proc_exit_abstime;
386 	uint64_t ri_child_user_time;
387 	uint64_t ri_child_system_time;
388 	uint64_t ri_child_pkg_idle_wkups;
389 	uint64_t ri_child_interrupt_wkups;
390 	uint64_t ri_child_pageins;
391 	uint64_t ri_child_elapsed_abstime;
392 	uint64_t ri_diskio_bytesread;
393 	uint64_t ri_diskio_byteswritten;
394 	uint64_t ri_cpu_time_qos_default;
395 	uint64_t ri_cpu_time_qos_maintenance;
396 	uint64_t ri_cpu_time_qos_background;
397 	uint64_t ri_cpu_time_qos_utility;
398 	uint64_t ri_cpu_time_qos_legacy;
399 	uint64_t ri_cpu_time_qos_user_initiated;
400 	uint64_t ri_cpu_time_qos_user_interactive;
401 	uint64_t ri_billed_system_time;
402 	uint64_t ri_serviced_system_time;
403 	uint64_t ri_logical_writes;
404 	uint64_t ri_lifetime_max_phys_footprint;
405 	uint64_t ri_instructions;
406 	uint64_t ri_cycles;
407 	uint64_t ri_billed_energy;
408 	uint64_t ri_serviced_energy;
409 	uint64_t ri_interval_max_phys_footprint;
410 	uint64_t ri_runnable_time;
411 	uint64_t ri_flags;
412 	uint64_t ri_user_ptime;
413 	uint64_t ri_system_ptime;
414 	uint64_t ri_pinstructions;
415 	uint64_t ri_pcycles;
416 	uint64_t ri_energy_nj;
417 	uint64_t ri_penergy_nj;
418 	uint64_t ri_secure_time_in_system;
419 	uint64_t ri_secure_ptime_in_system;
420 	uint64_t ri_neural_footprint;
421 	uint64_t ri_lifetime_max_neural_footprint;
422 	uint64_t ri_interval_max_neural_footprint;
423 	uint64_t ri_reserved[9];
424 };
425 
426 typedef struct rusage_info_v6 rusage_info_current;
427 
428 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
429 
430 #ifdef KERNEL
431 
432 struct rusage_superset {
433 	struct rusage           ru;
434 	rusage_info_current     ri;
435 };
436 
437 struct rusage_info_child {
438 	uint64_t ri_child_user_time;
439 	uint64_t ri_child_system_time;
440 	uint64_t ri_child_pkg_idle_wkups;
441 	uint64_t ri_child_interrupt_wkups;
442 	uint64_t ri_child_pageins;
443 	uint64_t ri_child_elapsed_abstime;
444 };
445 
446 struct  user64_rusage {
447 	struct user64_timeval ru_utime; /* user time used */
448 	struct user64_timeval ru_stime; /* system time used */
449 	user64_long_t   ru_maxrss;              /* max resident set size */
450 	user64_long_t   ru_ixrss;               /* integral shared memory size */
451 	user64_long_t   ru_idrss;               /* integral unshared data " */
452 	user64_long_t   ru_isrss;               /* integral unshared stack " */
453 	user64_long_t   ru_minflt;              /* page reclaims */
454 	user64_long_t   ru_majflt;              /* page faults */
455 	user64_long_t   ru_nswap;               /* swaps */
456 	user64_long_t   ru_inblock;             /* block input operations */
457 	user64_long_t   ru_oublock;             /* block output operations */
458 	user64_long_t   ru_msgsnd;              /* messages sent */
459 	user64_long_t   ru_msgrcv;              /* messages received */
460 	user64_long_t   ru_nsignals;    /* signals received */
461 	user64_long_t   ru_nvcsw;               /* voluntary context switches */
462 	user64_long_t   ru_nivcsw;              /* involuntary " */
463 };
464 
465 struct  user32_rusage {
466 	struct user32_timeval ru_utime; /* user time used */
467 	struct user32_timeval ru_stime; /* system time used */
468 	user32_long_t   ru_maxrss;              /* max resident set size */
469 	user32_long_t   ru_ixrss;               /* integral shared memory size */
470 	user32_long_t   ru_idrss;               /* integral unshared data " */
471 	user32_long_t   ru_isrss;               /* integral unshared stack " */
472 	user32_long_t   ru_minflt;              /* page reclaims */
473 	user32_long_t   ru_majflt;              /* page faults */
474 	user32_long_t   ru_nswap;               /* swaps */
475 	user32_long_t   ru_inblock;             /* block input operations */
476 	user32_long_t   ru_oublock;             /* block output operations */
477 	user32_long_t   ru_msgsnd;              /* messages sent */
478 	user32_long_t   ru_msgrcv;              /* messages received */
479 	user32_long_t   ru_nsignals;    /* signals received */
480 	user32_long_t   ru_nvcsw;               /* voluntary context switches */
481 	user32_long_t   ru_nivcsw;              /* involuntary " */
482 };
483 
484 #endif /* KERNEL */
485 
486 
487 /*****
488  * RESOURCE LIMITS
489  */
490 
491 /*
492  * Symbolic constants for resource limits; since all limits are representable
493  * as a type rlim_t, we are permitted to define RLIM_SAVED_* in terms of
494  * RLIM_INFINITY.
495  */
496 #define RLIM_INFINITY   (((__uint64_t)1 << 63) - 1)     /* no limit */
497 #define RLIM_SAVED_MAX  RLIM_INFINITY   /* Unrepresentable hard limit */
498 #define RLIM_SAVED_CUR  RLIM_INFINITY   /* Unrepresentable soft limit */
499 
500 /*
501  * Possible values of the first parameter to getrlimit()/setrlimit(), to
502  * indicate for which resource the operation is being performed.
503  */
504 #define RLIMIT_CPU      0               /* cpu time per process */
505 #define RLIMIT_FSIZE    1               /* file size */
506 #define RLIMIT_DATA     2               /* data segment size */
507 #define RLIMIT_STACK    3               /* stack size */
508 #define RLIMIT_CORE     4               /* core file size */
509 #define RLIMIT_AS       5               /* address space (resident set size) */
510 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
511 #define RLIMIT_RSS      RLIMIT_AS       /* source compatibility alias */
512 #define RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
513 #define RLIMIT_NPROC    7               /* number of processes */
514 #endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
515 #define RLIMIT_NOFILE   8               /* number of open files */
516 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
517 #define RLIM_NLIMITS    9               /* total number of resource limits */
518 #endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
519 #define _RLIMIT_POSIX_FLAG      0x1000  /* Set bit for strict POSIX */
520 
521 /*
522  * A structure representing a resource limit.  The address of an instance
523  * of this structure is the second parameter to getrlimit()/setrlimit().
524  */
525 struct rlimit {
526 	rlim_t  rlim_cur;               /* current (soft) limit */
527 	rlim_t  rlim_max;               /* maximum value for rlim_cur */
528 };
529 
530 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
531 /*
532  * proc_rlimit_control()
533  *
534  * Resource limit flavors
535  */
536 #define RLIMIT_WAKEUPS_MONITOR          0x1 /* Configure the wakeups monitor. */
537 #define RLIMIT_CPU_USAGE_MONITOR        0x2 /* Configure the CPU usage monitor. */
538 #define RLIMIT_THREAD_CPULIMITS         0x3 /* Configure a blocking, per-thread, CPU limits. */
539 #define RLIMIT_FOOTPRINT_INTERVAL       0x4 /* Configure memory footprint interval tracking */
540 
541 /*
542  * Flags for wakeups monitor control.
543  */
544 #define WAKEMON_ENABLE                  0x01
545 #define WAKEMON_DISABLE                 0x02
546 #define WAKEMON_GET_PARAMS              0x04
547 #define WAKEMON_SET_DEFAULTS            0x08
548 #define WAKEMON_MAKE_FATAL              0x10 /* Configure the task so that violations are fatal. */
549 
550 /*
551  * Flags for CPU usage monitor control.
552  */
553 #define CPUMON_MAKE_FATAL               0x1000
554 
555 /*
556  * Flags for memory footprint interval tracking.
557  */
558 #define FOOTPRINT_INTERVAL_RESET        0x1 /* Reset the footprint interval counter to zero */
559 
560 struct proc_rlimit_control_wakeupmon {
561 	uint32_t wm_flags;
562 	int32_t wm_rate;
563 };
564 
565 /* Additional private I/O policies are in resource_private.h */
566 
567 /* I/O type */
568 #define IOPOL_TYPE_DISK 0
569 #define IOPOL_TYPE_VFS_ATIME_UPDATES 2
570 #define IOPOL_TYPE_VFS_MATERIALIZE_DATALESS_FILES 3
571 #define IOPOL_TYPE_VFS_STATFS_NO_DATA_VOLUME 4
572 #define IOPOL_TYPE_VFS_TRIGGER_RESOLVE 5
573 #define IOPOL_TYPE_VFS_IGNORE_CONTENT_PROTECTION 6
574 #define IOPOL_TYPE_VFS_IGNORE_PERMISSIONS 7
575 #define IOPOL_TYPE_VFS_SKIP_MTIME_UPDATE 8
576 #define IOPOL_TYPE_VFS_ALLOW_LOW_SPACE_WRITES 9
577 #define IOPOL_TYPE_VFS_DISALLOW_RW_FOR_O_EVTONLY 10
578 
579 /* scope */
580 #define IOPOL_SCOPE_PROCESS   0
581 #define IOPOL_SCOPE_THREAD    1
582 #define IOPOL_SCOPE_DARWIN_BG 2
583 
584 /* I/O Priority */
585 #define IOPOL_DEFAULT           0
586 #define IOPOL_IMPORTANT         1
587 #define IOPOL_PASSIVE           2
588 #define IOPOL_THROTTLE          3
589 #define IOPOL_UTILITY           4
590 #define IOPOL_STANDARD          5
591 
592 /* compatibility with older names */
593 #define IOPOL_APPLICATION       IOPOL_STANDARD
594 #define IOPOL_NORMAL            IOPOL_IMPORTANT
595 
596 #define IOPOL_ATIME_UPDATES_DEFAULT     0
597 #define IOPOL_ATIME_UPDATES_OFF         1
598 
599 #define IOPOL_MATERIALIZE_DATALESS_FILES_DEFAULT 0
600 #define IOPOL_MATERIALIZE_DATALESS_FILES_OFF     1
601 #define IOPOL_MATERIALIZE_DATALESS_FILES_ON      2
602 
603 #define IOPOL_VFS_STATFS_NO_DATA_VOLUME_DEFAULT 0
604 #define IOPOL_VFS_STATFS_FORCE_NO_DATA_VOLUME   1
605 
606 #define IOPOL_VFS_TRIGGER_RESOLVE_DEFAULT 0
607 #define IOPOL_VFS_TRIGGER_RESOLVE_OFF     1
608 
609 #define IOPOL_VFS_CONTENT_PROTECTION_DEFAULT 0
610 #define IOPOL_VFS_CONTENT_PROTECTION_IGNORE  1
611 
612 #define IOPOL_VFS_IGNORE_PERMISSIONS_OFF 0
613 #define IOPOL_VFS_IGNORE_PERMISSIONS_ON  1
614 
615 #define IOPOL_VFS_SKIP_MTIME_UPDATE_OFF 0
616 #define IOPOL_VFS_SKIP_MTIME_UPDATE_ON 1
617 
618 #define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_OFF 0
619 #define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_ON 1
620 
621 #define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_DEFAULT 0
622 #define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_ON 1
623 
624 #define IOPOL_VFS_NOCACHE_WRITE_FS_BLKSIZE_DEFAULT 0
625 #define IOPOL_VFS_NOCACHE_WRITE_FS_BLKSIZE_ON 1
626 
627 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
628 
629 #ifndef KERNEL
630 
631 __BEGIN_DECLS
632 int     getpriority(int, id_t);
633 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
634 int     getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
635 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
636 int     getrlimit(int, struct rlimit *) __DARWIN_ALIAS(getrlimit);
637 int     getrusage(int, struct rusage *);
638 int     setpriority(int, id_t, int);
639 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
640 int     setiopolicy_np(int, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
641 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
642 int     setrlimit(int, const struct rlimit *) __DARWIN_ALIAS(setrlimit);
643 __END_DECLS
644 
645 #endif  /* !KERNEL */
646 
647 #ifdef PRIVATE
648 #include <sys/resource_private.h>
649 #endif
650 
651 #endif  /* !_SYS_RESOURCE_H_ */
652