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 */ 113 114 #ifdef PRIVATE 115 116 #define PRIO_DARWIN_GPU 5 /* Second argument is a PID */ 117 118 #define PRIO_DARWIN_GPU_ALLOW 0x1 119 #define PRIO_DARWIN_GPU_DENY 0x2 120 121 #define PRIO_DARWIN_ROLE 6 /* Second argument is a PID */ 122 123 #define PRIO_DARWIN_ROLE_DEFAULT 0x0 /* Reset to default state */ 124 #define PRIO_DARWIN_ROLE_UI_FOCAL 0x1 /* On screen, focal UI */ 125 #define PRIO_DARWIN_ROLE_UI 0x2 /* On screen UI, focal unknown */ 126 #define PRIO_DARWIN_ROLE_NON_UI 0x3 /* Off screen, non-focal UI */ 127 #define PRIO_DARWIN_ROLE_UI_NON_FOCAL 0x4 /* On screen, non-focal UI */ 128 #define PRIO_DARWIN_ROLE_TAL_LAUNCH 0x5 /* Throttled-launch (for OS X TAL resume) */ 129 #define PRIO_DARWIN_ROLE_DARWIN_BG 0x6 /* Throttled for running in the background */ 130 131 #endif /* PRIVATE */ 132 133 /* 134 * Range limitations for the value of the third parameter to setpriority(). 135 */ 136 #define PRIO_MIN -20 137 #define PRIO_MAX 20 138 139 /* 140 * use PRIO_DARWIN_BG to set the current thread into "background" state 141 * which lowers CPU, disk IO, and networking priorites until thread terminates 142 * or "background" state is revoked 143 */ 144 #define PRIO_DARWIN_BG 0x1000 145 146 /* 147 * use PRIO_DARWIN_NONUI to restrict a process's ability to make calls to 148 * the GPU. (deprecated) 149 */ 150 #define PRIO_DARWIN_NONUI 0x1001 151 152 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 153 154 155 156 /***** 157 * RESOURCE USAGE 158 */ 159 160 /* 161 * Possible values of the first parameter to getrusage(), used to indicate 162 * the scope of the information to be returned. 163 */ 164 #define RUSAGE_SELF 0 /* Current process information */ 165 #define RUSAGE_CHILDREN -1 /* Current process' children */ 166 167 /* 168 * A structure representing an accounting of resource utilization. The 169 * address of an instance of this structure is the second parameter to 170 * getrusage(). 171 * 172 * Note: All values other than ru_utime and ru_stime are implementaiton 173 * defined and subject to change in a future release. Their use 174 * is discouraged for standards compliant programs. 175 */ 176 struct rusage { 177 struct timeval ru_utime; /* user time used (PL) */ 178 struct timeval ru_stime; /* system time used (PL) */ 179 #if __DARWIN_C_LEVEL < __DARWIN_C_FULL 180 long ru_opaque[14]; /* implementation defined */ 181 #else 182 /* 183 * Informational aliases for source compatibility with programs 184 * that need more information than that provided by standards, 185 * and which do not mind being OS-dependent. 186 */ 187 long ru_maxrss; /* max resident set size (PL) */ 188 #define ru_first ru_ixrss /* internal: ruadd() range start */ 189 long ru_ixrss; /* integral shared memory size (NU) */ 190 long ru_idrss; /* integral unshared data (NU) */ 191 long ru_isrss; /* integral unshared stack (NU) */ 192 long ru_minflt; /* page reclaims (NU) */ 193 long ru_majflt; /* page faults (NU) */ 194 long ru_nswap; /* swaps (NU) */ 195 long ru_inblock; /* block input operations (atomic) */ 196 long ru_oublock; /* block output operations (atomic) */ 197 long ru_msgsnd; /* messages sent (atomic) */ 198 long ru_msgrcv; /* messages received (atomic) */ 199 long ru_nsignals; /* signals received (atomic) */ 200 long ru_nvcsw; /* voluntary context switches (atomic) */ 201 long ru_nivcsw; /* involuntary " */ 202 #define ru_last ru_nivcsw /* internal: ruadd() range end */ 203 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 204 }; 205 206 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 207 /* 208 * Flavors for proc_pid_rusage(). 209 */ 210 #define RUSAGE_INFO_V0 0 211 #define RUSAGE_INFO_V1 1 212 #define RUSAGE_INFO_V2 2 213 #define RUSAGE_INFO_V3 3 214 #define RUSAGE_INFO_V4 4 215 #define RUSAGE_INFO_V5 5 216 #define RUSAGE_INFO_V6 6 217 #define RUSAGE_INFO_CURRENT RUSAGE_INFO_V6 218 219 /* 220 * Flags for RUSAGE_INFO_V5 221 */ 222 #define RU_PROC_RUNS_RESLIDE 0x00000001 /* proc has reslid shared cache */ 223 224 typedef void *rusage_info_t; 225 226 struct rusage_info_v0 { 227 uint8_t ri_uuid[16]; 228 uint64_t ri_user_time; 229 uint64_t ri_system_time; 230 uint64_t ri_pkg_idle_wkups; 231 uint64_t ri_interrupt_wkups; 232 uint64_t ri_pageins; 233 uint64_t ri_wired_size; 234 uint64_t ri_resident_size; 235 uint64_t ri_phys_footprint; 236 uint64_t ri_proc_start_abstime; 237 uint64_t ri_proc_exit_abstime; 238 }; 239 240 struct rusage_info_v1 { 241 uint8_t ri_uuid[16]; 242 uint64_t ri_user_time; 243 uint64_t ri_system_time; 244 uint64_t ri_pkg_idle_wkups; 245 uint64_t ri_interrupt_wkups; 246 uint64_t ri_pageins; 247 uint64_t ri_wired_size; 248 uint64_t ri_resident_size; 249 uint64_t ri_phys_footprint; 250 uint64_t ri_proc_start_abstime; 251 uint64_t ri_proc_exit_abstime; 252 uint64_t ri_child_user_time; 253 uint64_t ri_child_system_time; 254 uint64_t ri_child_pkg_idle_wkups; 255 uint64_t ri_child_interrupt_wkups; 256 uint64_t ri_child_pageins; 257 uint64_t ri_child_elapsed_abstime; 258 }; 259 260 struct rusage_info_v2 { 261 uint8_t ri_uuid[16]; 262 uint64_t ri_user_time; 263 uint64_t ri_system_time; 264 uint64_t ri_pkg_idle_wkups; 265 uint64_t ri_interrupt_wkups; 266 uint64_t ri_pageins; 267 uint64_t ri_wired_size; 268 uint64_t ri_resident_size; 269 uint64_t ri_phys_footprint; 270 uint64_t ri_proc_start_abstime; 271 uint64_t ri_proc_exit_abstime; 272 uint64_t ri_child_user_time; 273 uint64_t ri_child_system_time; 274 uint64_t ri_child_pkg_idle_wkups; 275 uint64_t ri_child_interrupt_wkups; 276 uint64_t ri_child_pageins; 277 uint64_t ri_child_elapsed_abstime; 278 uint64_t ri_diskio_bytesread; 279 uint64_t ri_diskio_byteswritten; 280 }; 281 282 struct rusage_info_v3 { 283 uint8_t ri_uuid[16]; 284 uint64_t ri_user_time; 285 uint64_t ri_system_time; 286 uint64_t ri_pkg_idle_wkups; 287 uint64_t ri_interrupt_wkups; 288 uint64_t ri_pageins; 289 uint64_t ri_wired_size; 290 uint64_t ri_resident_size; 291 uint64_t ri_phys_footprint; 292 uint64_t ri_proc_start_abstime; 293 uint64_t ri_proc_exit_abstime; 294 uint64_t ri_child_user_time; 295 uint64_t ri_child_system_time; 296 uint64_t ri_child_pkg_idle_wkups; 297 uint64_t ri_child_interrupt_wkups; 298 uint64_t ri_child_pageins; 299 uint64_t ri_child_elapsed_abstime; 300 uint64_t ri_diskio_bytesread; 301 uint64_t ri_diskio_byteswritten; 302 uint64_t ri_cpu_time_qos_default; 303 uint64_t ri_cpu_time_qos_maintenance; 304 uint64_t ri_cpu_time_qos_background; 305 uint64_t ri_cpu_time_qos_utility; 306 uint64_t ri_cpu_time_qos_legacy; 307 uint64_t ri_cpu_time_qos_user_initiated; 308 uint64_t ri_cpu_time_qos_user_interactive; 309 uint64_t ri_billed_system_time; 310 uint64_t ri_serviced_system_time; 311 }; 312 313 struct rusage_info_v4 { 314 uint8_t ri_uuid[16]; 315 uint64_t ri_user_time; 316 uint64_t ri_system_time; 317 uint64_t ri_pkg_idle_wkups; 318 uint64_t ri_interrupt_wkups; 319 uint64_t ri_pageins; 320 uint64_t ri_wired_size; 321 uint64_t ri_resident_size; 322 uint64_t ri_phys_footprint; 323 uint64_t ri_proc_start_abstime; 324 uint64_t ri_proc_exit_abstime; 325 uint64_t ri_child_user_time; 326 uint64_t ri_child_system_time; 327 uint64_t ri_child_pkg_idle_wkups; 328 uint64_t ri_child_interrupt_wkups; 329 uint64_t ri_child_pageins; 330 uint64_t ri_child_elapsed_abstime; 331 uint64_t ri_diskio_bytesread; 332 uint64_t ri_diskio_byteswritten; 333 uint64_t ri_cpu_time_qos_default; 334 uint64_t ri_cpu_time_qos_maintenance; 335 uint64_t ri_cpu_time_qos_background; 336 uint64_t ri_cpu_time_qos_utility; 337 uint64_t ri_cpu_time_qos_legacy; 338 uint64_t ri_cpu_time_qos_user_initiated; 339 uint64_t ri_cpu_time_qos_user_interactive; 340 uint64_t ri_billed_system_time; 341 uint64_t ri_serviced_system_time; 342 uint64_t ri_logical_writes; 343 uint64_t ri_lifetime_max_phys_footprint; 344 uint64_t ri_instructions; 345 uint64_t ri_cycles; 346 uint64_t ri_billed_energy; 347 uint64_t ri_serviced_energy; 348 uint64_t ri_interval_max_phys_footprint; 349 uint64_t ri_runnable_time; 350 }; 351 352 struct rusage_info_v5 { 353 uint8_t ri_uuid[16]; 354 uint64_t ri_user_time; 355 uint64_t ri_system_time; 356 uint64_t ri_pkg_idle_wkups; 357 uint64_t ri_interrupt_wkups; 358 uint64_t ri_pageins; 359 uint64_t ri_wired_size; 360 uint64_t ri_resident_size; 361 uint64_t ri_phys_footprint; 362 uint64_t ri_proc_start_abstime; 363 uint64_t ri_proc_exit_abstime; 364 uint64_t ri_child_user_time; 365 uint64_t ri_child_system_time; 366 uint64_t ri_child_pkg_idle_wkups; 367 uint64_t ri_child_interrupt_wkups; 368 uint64_t ri_child_pageins; 369 uint64_t ri_child_elapsed_abstime; 370 uint64_t ri_diskio_bytesread; 371 uint64_t ri_diskio_byteswritten; 372 uint64_t ri_cpu_time_qos_default; 373 uint64_t ri_cpu_time_qos_maintenance; 374 uint64_t ri_cpu_time_qos_background; 375 uint64_t ri_cpu_time_qos_utility; 376 uint64_t ri_cpu_time_qos_legacy; 377 uint64_t ri_cpu_time_qos_user_initiated; 378 uint64_t ri_cpu_time_qos_user_interactive; 379 uint64_t ri_billed_system_time; 380 uint64_t ri_serviced_system_time; 381 uint64_t ri_logical_writes; 382 uint64_t ri_lifetime_max_phys_footprint; 383 uint64_t ri_instructions; 384 uint64_t ri_cycles; 385 uint64_t ri_billed_energy; 386 uint64_t ri_serviced_energy; 387 uint64_t ri_interval_max_phys_footprint; 388 uint64_t ri_runnable_time; 389 uint64_t ri_flags; 390 }; 391 392 struct rusage_info_v6 { 393 uint8_t ri_uuid[16]; 394 uint64_t ri_user_time; 395 uint64_t ri_system_time; 396 uint64_t ri_pkg_idle_wkups; 397 uint64_t ri_interrupt_wkups; 398 uint64_t ri_pageins; 399 uint64_t ri_wired_size; 400 uint64_t ri_resident_size; 401 uint64_t ri_phys_footprint; 402 uint64_t ri_proc_start_abstime; 403 uint64_t ri_proc_exit_abstime; 404 uint64_t ri_child_user_time; 405 uint64_t ri_child_system_time; 406 uint64_t ri_child_pkg_idle_wkups; 407 uint64_t ri_child_interrupt_wkups; 408 uint64_t ri_child_pageins; 409 uint64_t ri_child_elapsed_abstime; 410 uint64_t ri_diskio_bytesread; 411 uint64_t ri_diskio_byteswritten; 412 uint64_t ri_cpu_time_qos_default; 413 uint64_t ri_cpu_time_qos_maintenance; 414 uint64_t ri_cpu_time_qos_background; 415 uint64_t ri_cpu_time_qos_utility; 416 uint64_t ri_cpu_time_qos_legacy; 417 uint64_t ri_cpu_time_qos_user_initiated; 418 uint64_t ri_cpu_time_qos_user_interactive; 419 uint64_t ri_billed_system_time; 420 uint64_t ri_serviced_system_time; 421 uint64_t ri_logical_writes; 422 uint64_t ri_lifetime_max_phys_footprint; 423 uint64_t ri_instructions; 424 uint64_t ri_cycles; 425 uint64_t ri_billed_energy; 426 uint64_t ri_serviced_energy; 427 uint64_t ri_interval_max_phys_footprint; 428 uint64_t ri_runnable_time; 429 uint64_t ri_flags; 430 uint64_t ri_user_ptime; 431 uint64_t ri_system_ptime; 432 uint64_t ri_pinstructions; 433 uint64_t ri_pcycles; 434 uint64_t ri_energy_nj; 435 uint64_t ri_penergy_nj; 436 uint64_t ri_reserved[14]; 437 }; 438 439 typedef struct rusage_info_v6 rusage_info_current; 440 441 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 442 443 #ifdef KERNEL 444 445 struct rusage_superset { 446 struct rusage ru; 447 rusage_info_current ri; 448 }; 449 450 struct rusage_info_child { 451 uint64_t ri_child_user_time; 452 uint64_t ri_child_system_time; 453 uint64_t ri_child_pkg_idle_wkups; 454 uint64_t ri_child_interrupt_wkups; 455 uint64_t ri_child_pageins; 456 uint64_t ri_child_elapsed_abstime; 457 }; 458 459 struct user64_rusage { 460 struct user64_timeval ru_utime; /* user time used */ 461 struct user64_timeval ru_stime; /* system time used */ 462 user64_long_t ru_maxrss; /* max resident set size */ 463 user64_long_t ru_ixrss; /* integral shared memory size */ 464 user64_long_t ru_idrss; /* integral unshared data " */ 465 user64_long_t ru_isrss; /* integral unshared stack " */ 466 user64_long_t ru_minflt; /* page reclaims */ 467 user64_long_t ru_majflt; /* page faults */ 468 user64_long_t ru_nswap; /* swaps */ 469 user64_long_t ru_inblock; /* block input operations */ 470 user64_long_t ru_oublock; /* block output operations */ 471 user64_long_t ru_msgsnd; /* messages sent */ 472 user64_long_t ru_msgrcv; /* messages received */ 473 user64_long_t ru_nsignals; /* signals received */ 474 user64_long_t ru_nvcsw; /* voluntary context switches */ 475 user64_long_t ru_nivcsw; /* involuntary " */ 476 }; 477 478 struct user32_rusage { 479 struct user32_timeval ru_utime; /* user time used */ 480 struct user32_timeval ru_stime; /* system time used */ 481 user32_long_t ru_maxrss; /* max resident set size */ 482 user32_long_t ru_ixrss; /* integral shared memory size */ 483 user32_long_t ru_idrss; /* integral unshared data " */ 484 user32_long_t ru_isrss; /* integral unshared stack " */ 485 user32_long_t ru_minflt; /* page reclaims */ 486 user32_long_t ru_majflt; /* page faults */ 487 user32_long_t ru_nswap; /* swaps */ 488 user32_long_t ru_inblock; /* block input operations */ 489 user32_long_t ru_oublock; /* block output operations */ 490 user32_long_t ru_msgsnd; /* messages sent */ 491 user32_long_t ru_msgrcv; /* messages received */ 492 user32_long_t ru_nsignals; /* signals received */ 493 user32_long_t ru_nvcsw; /* voluntary context switches */ 494 user32_long_t ru_nivcsw; /* involuntary " */ 495 }; 496 497 #endif /* KERNEL */ 498 499 500 /***** 501 * RESOURCE LIMITS 502 */ 503 504 /* 505 * Symbolic constants for resource limits; since all limits are representable 506 * as a type rlim_t, we are permitted to define RLIM_SAVED_* in terms of 507 * RLIM_INFINITY. 508 */ 509 #define RLIM_INFINITY (((__uint64_t)1 << 63) - 1) /* no limit */ 510 #define RLIM_SAVED_MAX RLIM_INFINITY /* Unrepresentable hard limit */ 511 #define RLIM_SAVED_CUR RLIM_INFINITY /* Unrepresentable soft limit */ 512 513 /* 514 * Possible values of the first parameter to getrlimit()/setrlimit(), to 515 * indicate for which resource the operation is being performed. 516 */ 517 #define RLIMIT_CPU 0 /* cpu time per process */ 518 #define RLIMIT_FSIZE 1 /* file size */ 519 #define RLIMIT_DATA 2 /* data segment size */ 520 #define RLIMIT_STACK 3 /* stack size */ 521 #define RLIMIT_CORE 4 /* core file size */ 522 #define RLIMIT_AS 5 /* address space (resident set size) */ 523 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 524 #define RLIMIT_RSS RLIMIT_AS /* source compatibility alias */ 525 #define RLIMIT_MEMLOCK 6 /* locked-in-memory address space */ 526 #define RLIMIT_NPROC 7 /* number of processes */ 527 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 528 #define RLIMIT_NOFILE 8 /* number of open files */ 529 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 530 #define RLIM_NLIMITS 9 /* total number of resource limits */ 531 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 532 #define _RLIMIT_POSIX_FLAG 0x1000 /* Set bit for strict POSIX */ 533 534 /* 535 * A structure representing a resource limit. The address of an instance 536 * of this structure is the second parameter to getrlimit()/setrlimit(). 537 */ 538 struct rlimit { 539 rlim_t rlim_cur; /* current (soft) limit */ 540 rlim_t rlim_max; /* maximum value for rlim_cur */ 541 }; 542 543 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 544 /* 545 * proc_rlimit_control() 546 * 547 * Resource limit flavors 548 */ 549 #define RLIMIT_WAKEUPS_MONITOR 0x1 /* Configure the wakeups monitor. */ 550 #define RLIMIT_CPU_USAGE_MONITOR 0x2 /* Configure the CPU usage monitor. */ 551 #define RLIMIT_THREAD_CPULIMITS 0x3 /* Configure a blocking, per-thread, CPU limits. */ 552 #define RLIMIT_FOOTPRINT_INTERVAL 0x4 /* Configure memory footprint interval tracking */ 553 554 /* 555 * Flags for wakeups monitor control. 556 */ 557 #define WAKEMON_ENABLE 0x01 558 #define WAKEMON_DISABLE 0x02 559 #define WAKEMON_GET_PARAMS 0x04 560 #define WAKEMON_SET_DEFAULTS 0x08 561 #define WAKEMON_MAKE_FATAL 0x10 /* Configure the task so that violations are fatal. */ 562 563 /* 564 * Flags for CPU usage monitor control. 565 */ 566 #define CPUMON_MAKE_FATAL 0x1000 567 568 /* 569 * Flags for memory footprint interval tracking. 570 */ 571 #define FOOTPRINT_INTERVAL_RESET 0x1 /* Reset the footprint interval counter to zero */ 572 573 struct proc_rlimit_control_wakeupmon { 574 uint32_t wm_flags; 575 int32_t wm_rate; 576 }; 577 578 #if PRIVATE 579 /* 580 * Flags for I/O monitor control. 581 */ 582 #define IOMON_ENABLE 0x01 583 #define IOMON_DISABLE 0x02 584 585 #endif /* PRIVATE */ 586 587 588 /* I/O type */ 589 #define IOPOL_TYPE_DISK 0 590 #if PRIVATE 591 #define IOPOL_TYPE_VFS_HFS_CASE_SENSITIVITY 1 592 #endif 593 #define IOPOL_TYPE_VFS_ATIME_UPDATES 2 594 #define IOPOL_TYPE_VFS_MATERIALIZE_DATALESS_FILES 3 595 #define IOPOL_TYPE_VFS_STATFS_NO_DATA_VOLUME 4 596 #define IOPOL_TYPE_VFS_TRIGGER_RESOLVE 5 597 #define IOPOL_TYPE_VFS_IGNORE_CONTENT_PROTECTION 6 598 #define IOPOL_TYPE_VFS_IGNORE_PERMISSIONS 7 599 #define IOPOL_TYPE_VFS_SKIP_MTIME_UPDATE 8 600 #define IOPOL_TYPE_VFS_ALLOW_LOW_SPACE_WRITES 9 601 #define IOPOL_TYPE_VFS_DISALLOW_RW_FOR_O_EVTONLY 10 602 #if PRIVATE 603 #define IOPOL_TYPE_VFS_ALTLINK 11 604 #endif 605 606 /* scope */ 607 #define IOPOL_SCOPE_PROCESS 0 608 #define IOPOL_SCOPE_THREAD 1 609 #define IOPOL_SCOPE_DARWIN_BG 2 610 611 /* I/O Priority */ 612 #define IOPOL_DEFAULT 0 613 #define IOPOL_IMPORTANT 1 614 #define IOPOL_PASSIVE 2 615 #define IOPOL_THROTTLE 3 616 #define IOPOL_UTILITY 4 617 #define IOPOL_STANDARD 5 618 619 /* compatibility with older names */ 620 #define IOPOL_APPLICATION IOPOL_STANDARD 621 #define IOPOL_NORMAL IOPOL_IMPORTANT 622 623 #if PRIVATE 624 #define IOPOL_VFS_HFS_CASE_SENSITIVITY_DEFAULT 0 625 #define IOPOL_VFS_HFS_CASE_SENSITIVITY_FORCE_CASE_SENSITIVE 1 626 627 #define IOPOL_VFS_ALTLINK_DISABLED 0 628 #define IOPOL_VFS_ALTLINK_ENABLED 1 629 #endif 630 631 #define IOPOL_ATIME_UPDATES_DEFAULT 0 632 #define IOPOL_ATIME_UPDATES_OFF 1 633 634 #define IOPOL_MATERIALIZE_DATALESS_FILES_DEFAULT 0 635 #define IOPOL_MATERIALIZE_DATALESS_FILES_OFF 1 636 #define IOPOL_MATERIALIZE_DATALESS_FILES_ON 2 637 638 #define IOPOL_VFS_STATFS_NO_DATA_VOLUME_DEFAULT 0 639 #define IOPOL_VFS_STATFS_FORCE_NO_DATA_VOLUME 1 640 641 #define IOPOL_VFS_TRIGGER_RESOLVE_DEFAULT 0 642 #define IOPOL_VFS_TRIGGER_RESOLVE_OFF 1 643 644 #define IOPOL_VFS_CONTENT_PROTECTION_DEFAULT 0 645 #define IOPOL_VFS_CONTENT_PROTECTION_IGNORE 1 646 647 #define IOPOL_VFS_IGNORE_PERMISSIONS_OFF 0 648 #define IOPOL_VFS_IGNORE_PERMISSIONS_ON 1 649 650 #define IOPOL_VFS_SKIP_MTIME_UPDATE_OFF 0 651 #define IOPOL_VFS_SKIP_MTIME_UPDATE_ON 1 652 653 #define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_OFF 0 654 #define IOPOL_VFS_ALLOW_LOW_SPACE_WRITES_ON 1 655 656 #define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_DEFAULT 0 657 #define IOPOL_VFS_DISALLOW_RW_FOR_O_EVTONLY_ON 1 658 659 #ifdef PRIVATE 660 /* 661 * Structures for use in communicating via iopolicysys() between Libc and the 662 * kernel. Not to be used by user programs directly. 663 */ 664 665 /* 666 * the command to iopolicysys() 667 */ 668 #define IOPOL_CMD_GET 0x00000001 /* Get I/O policy */ 669 #define IOPOL_CMD_SET 0x00000002 /* Set I/O policy */ 670 671 /* 672 * Second parameter to iopolicysys() 673 */ 674 struct _iopol_param_t { 675 int iop_scope; /* current process or a thread */ 676 int iop_iotype; 677 int iop_policy; 678 }; 679 680 #endif /* PRIVATE */ 681 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 682 683 #ifndef KERNEL 684 685 __BEGIN_DECLS 686 int getpriority(int, id_t); 687 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 688 int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); 689 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 690 int getrlimit(int, struct rlimit *) __DARWIN_ALIAS(getrlimit); 691 int getrusage(int, struct rusage *); 692 int setpriority(int, id_t, int); 693 #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL 694 int setiopolicy_np(int, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); 695 #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ 696 int setrlimit(int, const struct rlimit *) __DARWIN_ALIAS(setrlimit); 697 __END_DECLS 698 699 #endif /* !KERNEL */ 700 #endif /* !_SYS_RESOURCE_H_ */ 701