1 /* 2 * Copyright (c) 2006 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 29 30 /* 31 * [SPN] Support for _POSIX_SPAWN 32 * 33 * This file contains internal data structures which are externally represented 34 * as opaque void pointers to prevent introspection. This permits us to 35 * change the underlying implementation of the code to maintain it or to 36 * support new features, as needed, without the consumer needing to recompile 37 * their code because of structure size changes or data reorganization. 38 */ 39 40 #ifndef _SYS_SPAWN_INTERNAL_H_ 41 #define _SYS_SPAWN_INTERNAL_H_ 42 43 #include <sys/_types.h> /* __offsetof(), __darwin_size_t */ 44 #include <sys/param.h> 45 #include <sys/syslimits.h> /* PATH_MAX */ 46 #include <sys/spawn.h> 47 #include <mach/machine.h> 48 #include <mach/port.h> 49 #include <mach/exception_types.h> 50 #include <mach/coalition.h> /* COALITION_NUM_TYPES */ 51 #include <mach/task_policy.h> 52 #include <os/overflow.h> 53 #include <mach/mach_param.h> 54 55 /* 56 * Safely compute the size in bytes of a structure, '_type', whose last 57 * element, '_member', is a zero-sized array meant to hold 'x' bytes. 58 * 59 * If the size calculation overflows a size_t value, this macro returns 0. 60 */ 61 #define PS_ACTION_SIZE(x, _type, _member_type) ({\ 62 size_t _ps_count = (size_t)x; \ 63 size_t _ps_size = 0; \ 64 /* (count * sizeof(_member_type)) + sizeof(_type) */ \ 65 if (os_mul_and_add_overflow(_ps_count, \ 66 sizeof(_member_type), \ 67 sizeof(_type), \ 68 &_ps_size)) { \ 69 _ps_size = 0; \ 70 } \ 71 _ps_size; }) 72 73 /* 74 * Allowable posix_spawn() port action types 75 */ 76 typedef enum { 77 PSPA_SPECIAL = 0, 78 PSPA_EXCEPTION = 1, 79 PSPA_AU_SESSION = 2, 80 PSPA_IMP_WATCHPORTS = 3, 81 PSPA_REGISTERED_PORTS = 4, 82 PSPA_PTRAUTH_TASK_PORT = 5, 83 } pspa_t; 84 85 /* 86 * Internal representation of one port to be set on posix_spawn(). 87 * Currently this is limited to setting special and exception ports, 88 * but could be extended to other inheritable port types. 89 */ 90 typedef struct _ps_port_action { 91 pspa_t port_type; 92 exception_mask_t mask; 93 mach_port_name_t new_port; 94 exception_behavior_t behavior; 95 thread_state_flavor_t flavor; 96 int which; 97 } _ps_port_action_t; 98 99 /* 100 * A collection of port actions to take on the newly spawned process. 101 */ 102 typedef struct _posix_spawn_port_actions { 103 int pspa_alloc; 104 int pspa_count; 105 _ps_port_action_t pspa_actions[]; 106 } *_posix_spawn_port_actions_t; 107 108 /* 109 * Returns size in bytes of a _posix_spawn_port_actions holding x elements. 110 */ 111 #define PS_PORT_ACTIONS_SIZE(x) \ 112 PS_ACTION_SIZE(x, struct _posix_spawn_port_actions, _ps_port_action_t) 113 114 #define NBINPREFS 4 115 116 /* 117 * Mapping of opaque data pointer to a MAC policy (specified by name). 118 */ 119 typedef struct _ps_mac_policy_extension { 120 char policyname[128]; 121 union { 122 /* Address of the user space data passed into kernel space */ 123 uint64_t data; 124 /* In kernel space, offset into the pool of all extensions' data */ 125 uint64_t dataoff; 126 }; 127 uint64_t datalen; 128 } _ps_mac_policy_extension_t; 129 130 /* 131 * A collection of extra data passed to MAC policies for the newly spawned process. 132 */ 133 typedef struct _posix_spawn_mac_policy_extensions { 134 int psmx_alloc; 135 int psmx_count; 136 _ps_mac_policy_extension_t psmx_extensions[]; 137 } *_posix_spawn_mac_policy_extensions_t; 138 139 /* 140 * Returns size in bytes of a _posix_spawn_mac_policy_extensions holding x elements. 141 */ 142 #define PS_MAC_EXTENSIONS_SIZE(x) \ 143 PS_ACTION_SIZE(x, struct _posix_spawn_mac_policy_extensions, _ps_mac_policy_extension_t) 144 145 #define PS_MAC_EXTENSIONS_INIT_COUNT 2 146 147 /* 148 * Coalition posix spawn attributes 149 */ 150 struct _posix_spawn_coalition_info { 151 struct { 152 uint64_t psci_id; 153 uint32_t psci_role; 154 uint32_t psci_reserved1; 155 uint64_t psci_reserved2; 156 } psci_info[COALITION_NUM_TYPES]; 157 }; 158 159 /* 160 * UID/GID attributes 161 */ 162 struct _posix_spawn_posix_cred_info { 163 uint32_t pspci_flags; /* spawn persona flags */ 164 uid_t pspci_uid; /* alternate posix/unix UID */ 165 gid_t pspci_gid; /* alternate posix/unix GID */ 166 uint32_t pspci_ngroups; /* alternate advisory groups */ 167 gid_t pspci_groups[NGROUPS]; 168 uid_t pspci_gmuid; /* group membership UID */ 169 char pspci_login[MAXLOGNAME + 1]; 170 }; 171 172 #define POSIX_SPAWN_POSIX_CRED_UID 0x00010000 173 #define POSIX_SPAWN_POSIX_CRED_GID 0x00020000 174 #define POSIX_SPAWN_POSIX_CRED_GROUPS 0x00040000 175 #define POSIX_SPAWN_POSIX_CRED_LOGIN 0x00080000 176 177 /* 178 * Persona attributes 179 */ 180 struct _posix_spawn_persona_info { 181 uid_t pspi_id; /* persona ID (unix UID) */ 182 uint32_t pspi_flags; /* spawn persona flags */ 183 uid_t pspi_uid; /* alternate posix/unix UID */ 184 gid_t pspi_gid; /* alternate posix/unix GID */ 185 uint32_t pspi_ngroups; /* alternate advisory groups */ 186 gid_t pspi_groups[NGROUPS]; 187 uid_t pspi_gmuid; /* group membership UID */ 188 }; 189 190 #define POSIX_SPAWN_PERSONA_FLAGS_NONE 0x0 191 #define POSIX_SPAWN_PERSONA_FLAGS_OVERRIDE 0x1 /* noop, the only option */ 192 #define POSIX_SPAWN_PERSONA_FLAGS_VERIFY 0x2 /* noop, unimplemented */ 193 194 #define POSIX_SPAWN_PERSONA_ALL_FLAGS \ 195 (POSIX_SPAWN_PERSONA_FLAGS_OVERRIDE \ 196 | POSIX_SPAWN_PERSONA_FLAGS_VERIFY \ 197 ) 198 199 #define POSIX_SPAWN_PERSONA_UID POSIX_SPAWN_POSIX_CRED_UID 200 #define POSIX_SPAWN_PERSONA_GID POSIX_SPAWN_POSIX_CRED_GID 201 #define POSIX_SPAWN_PERSONA_GROUPS POSIX_SPAWN_POSIX_CRED_GROUPS 202 203 204 /* 205 * A posix_spawnattr structure contains all of the attribute elements that 206 * can be set, as well as any metadata whose validity is signalled by the 207 * presence of a bit in the flags field. All fields are initialized to the 208 * appropriate default values by posix_spawnattr_init(). 209 * 210 * Fields must be added at the end of this, but before extensions array 211 * pointers. 212 */ 213 214 typedef struct _posix_spawnattr { 215 short psa_flags; /* spawn attribute flags */ 216 short flags_padding; /* get the flags to be int aligned */ 217 sigset_t psa_sigdefault; /* signal set to default */ 218 sigset_t psa_sigmask; /* signal set to mask */ 219 pid_t psa_pgroup; /* pgroup to spawn into */ 220 cpu_type_t psa_binprefs[NBINPREFS]; /* cpu affinity prefs*/ 221 int psa_pcontrol; /* process control bits on resource starvation */ 222 int psa_apptype; /* app type and process spec behav */ 223 uint64_t psa_cpumonitor_percent; /* CPU usage monitor percentage */ 224 uint64_t psa_cpumonitor_interval; /* CPU usage monitor interval, in seconds */ 225 uint64_t psa_reserved; 226 227 short psa_jetsam_flags; /* jetsam flags */ 228 short short_padding; /* Padding for alignment issues */ 229 int psa_priority; /* jetsam relative importance */ 230 int psa_memlimit_active; /* jetsam memory limit (in MB) when process is active */ 231 int psa_memlimit_inactive; /* jetsam memory limit (in MB) when process is inactive */ 232 233 uint64_t psa_qos_clamp; /* QoS Clamp to set on the new process */ 234 task_role_t psa_darwin_role; /* PRIO_DARWIN_ROLE to set on the new process */ 235 int psa_thread_limit; /* thread limit */ 236 237 uint64_t psa_max_addr; /* Max valid VM address */ 238 bool psa_no_smt; 239 bool psa_tecs; 240 int psa_platform; /* Plaform for the binary */ 241 242 cpu_subtype_t psa_subcpuprefs[NBINPREFS]; /* subcpu affinity prefs*/ 243 uint32_t psa_options; /* More options to be passed to posix_spawn */ 244 uint32_t psa_port_soft_limit; /* port space soft limit */ 245 uint32_t psa_port_hard_limit; /* port space hard limit */ 246 uint32_t psa_filedesc_soft_limit; /* file descriptor soft limit */ 247 uint32_t psa_filedesc_hard_limit; /* file descriptor hard limit */ 248 uint32_t psa_crash_behavior; /* crash behavior flags */ 249 int psa_dataless_iopolicy; /* materialize dataless iopolicy parameter */ 250 uint64_t psa_crash_behavior_deadline; /* crash behavior deadline */ 251 uint8_t psa_launch_type; /* type of launch for launch constraint enforcement */ 252 uint16_t psa_sec_flags; /* flags for task_sec */ 253 254 /* For exponential backoff */ 255 uint32_t psa_crash_count; 256 uint32_t psa_throttle_timeout; 257 258 uint32_t psa_kqworkloop_soft_limit; /* kqworkloop soft limit */ 259 uint32_t psa_kqworkloop_hard_limit; /* kqworkloop hard limit */ 260 261 /* 262 * NOTE: Extensions array pointers must stay at the end so that 263 * everything above this point stays the same size on different bitnesses 264 * see <rdar://problem/12858307> 265 */ 266 _posix_spawn_port_actions_t psa_ports; /* special/exception ports */ 267 _posix_spawn_mac_policy_extensions_t psa_mac_extensions; /* MAC policy-specific extensions. */ 268 struct _posix_spawn_coalition_info *psa_coalition_info; /* coalition info */ 269 struct _posix_spawn_persona_info *psa_persona_info; /* spawn new process into given persona */ 270 struct _posix_spawn_posix_cred_info *psa_posix_cred_info; /* posix creds: uid/gid/groups */ 271 char *psa_subsystem_root_path; /* pass given path in apple strings */ 272 char *psa_conclave_id; /* conclave string */ 273 } *_posix_spawnattr_t; 274 275 /* 276 * Task Sec flags, psa_sec_flags 277 */ 278 __options_decl(posix_spawn_secflag_options, uint16_t, { 279 POSIX_SPAWN_SECFLAG_EXPLICIT_ENABLE = 0x01, 280 POSIX_SPAWN_SECFLAG_EXPLICIT_DISABLE = 0x02, 281 POSIX_SPAWN_SECFLAG_EXPLICIT_NEVER_CHECK_ENABLE = 0x04, 282 POSIX_SPAWN_SECFLAG_EXPLICIT_NEVER_CHECK_DISABLE = 0x08, 283 POSIX_SPAWN_SECFLAG_EXPLICIT_VM_POLICY_BYPASS = 0x10, 284 POSIX_SPAWN_SECFLAG_EXPLICIT_VM_POLICY_ENFORCE = 0x20, 285 POSIX_SPAWN_SECFLAG_EXPLICIT_CHECK_BYPASS = 0x40, 286 POSIX_SPAWN_SECFLAG_EXPLICIT_CHECK_ENFORCE = 0x80, 287 POSIX_SPAWN_SECFLAG_EXPLICIT_DISABLE_INHERIT = 0x100, 288 POSIX_SPAWN_SECFLAG_EXPLICIT_ENABLE_INHERIT = 0x200, 289 POSIX_SPAWN_SECFLAG_EXPLICIT_REQUIRE_ENABLE = 0x400, 290 POSIX_SPAWN_SECFLAG_EXPLICIT_ENABLE_PURE_DATA = 0x800, 291 }); 292 293 /* 294 * Jetsam flags eg: psa_jetsam_flags 295 */ 296 #define POSIX_SPAWN_JETSAM_SET 0x8000 297 298 #define POSIX_SPAWN_JETSAM_USE_EFFECTIVE_PRIORITY 0x01 299 #define POSIX_SPAWN_JETSAM_HIWATER_BACKGROUND 0x02 /* to be deprecated */ 300 #define POSIX_SPAWN_JETSAM_MEMLIMIT_FATAL 0x04 /* to be deprecated */ 301 302 /* 303 * Additional flags available for use with 304 * the posix_spawnattr_setjetsam_ext() call 305 */ 306 #define POSIX_SPAWN_JETSAM_MEMLIMIT_ACTIVE_FATAL 0x04 /* if set, limit is fatal when the process is active */ 307 #define POSIX_SPAWN_JETSAM_MEMLIMIT_INACTIVE_FATAL 0x08 /* if set, limit is fatal when the process is inactive */ 308 309 310 /* 311 * Flags set based on posix_spawnattr_set_jetsam_ttr_np(). 312 * Indicate relaunch behavior of process when jetsammed 313 */ 314 /* Mask and bucket counts for relaunch behavior */ 315 #define POSIX_SPAWN_JETSAM_RELAUNCH_BEHAVIOR_BUCKETS (0x3) 316 #define POSIX_SPAWN_JETSAM_RELAUNCH_BEHAVIOR_MASK (0x30) 317 318 /* Actual buckets based on behavior data */ 319 #define POSIX_SPAWN_JETSAM_RELAUNCH_BEHAVIOR_HIGH (0x30) 320 #define POSIX_SPAWN_JETSAM_RELAUNCH_BEHAVIOR_MED (0x20) 321 #define POSIX_SPAWN_JETSAM_RELAUNCH_BEHAVIOR_LOW (0x10) 322 323 /* 324 * Deprecated posix_spawn psa_flags values 325 * 326 * POSIX_SPAWN_OSX_TALAPP_START 0x0400 327 * POSIX_SPAWN_IOS_RESV1_APP_START 0x0400 328 * POSIX_SPAWN_IOS_APPLE_DAEMON_START 0x0800 329 * POSIX_SPAWN_IOS_APP_START 0x1000 330 * POSIX_SPAWN_OSX_WIDGET_START 0x0800 331 * POSIX_SPAWN_OSX_DBCLIENT_START 0x0800 332 * POSIX_SPAWN_OSX_RESVAPP_START 0x1000 333 */ 334 335 /* 336 * Deprecated posix_spawn psa_apptype values 337 * 338 * POSIX_SPAWN_PROCESS_TYPE_APPLEDAEMON 0x00000001 339 * POSIX_SPAWN_PROCESS_TYPE_UIAPP 0x00000002 340 * POSIX_SPAWN_PROCESS_TYPE_ADAPTIVE 0x00000004 341 * POSIX_SPAWN_PROCESS_TYPE_TAL 0x00000001 342 * POSIX_SPAWN_PROCESS_TYPE_WIDGET 0x00000002 343 * POSIX_SPAWN_PROCESS_TYPE_DELAYIDLESLEEP 0x10000000 344 * 345 * POSIX_SPAWN_PROCESS_FLAG_IMPORTANCE_DONOR 0x00000010 346 * POSIX_SPAWN_PROCESS_FLAG_ADAPTIVE 0x00000020 347 * POSIX_SPAWN_PROCESS_FLAG_START_BACKGROUND 0x00000040 348 * POSIX_SPAWN_PROCESS_FLAG_START_LIGHT_THROTTLE 0x00000080 349 */ 350 351 /* 352 * posix_spawn psa_apptype process type settings. 353 * when POSIX_SPAWN_PROC_TYPE is set, old psa_apptype bits are ignored 354 */ 355 #define POSIX_SPAWN_PROCESS_TYPE_NORMAL 0x00000000 356 #define POSIX_SPAWN_PROCESS_TYPE_DEFAULT POSIX_SPAWN_PROCESS_TYPE_NORMAL 357 358 #define POSIX_SPAWN_PROC_TYPE_MASK 0x00000F00 359 360 #define POSIX_SPAWN_PROC_TYPE_APP_DEFAULT 0x00000100 361 #define POSIX_SPAWN_PROC_TYPE_APP_TAL 0x00000200 /* unused */ 362 363 #define POSIX_SPAWN_PROC_TYPE_DAEMON_STANDARD 0x00000300 364 #define POSIX_SPAWN_PROC_TYPE_DAEMON_INTERACTIVE 0x00000400 365 #define POSIX_SPAWN_PROC_TYPE_DAEMON_BACKGROUND 0x00000500 366 #define POSIX_SPAWN_PROC_TYPE_DAEMON_ADAPTIVE 0x00000600 367 368 #define POSIX_SPAWN_PROC_TYPE_DRIVER 0x00000700 369 370 #define POSIX_SPAWN_PROC_CLAMP_NONE 0x00000000 371 #define POSIX_SPAWN_PROC_CLAMP_UTILITY 0x00000001 372 #define POSIX_SPAWN_PROC_CLAMP_BACKGROUND 0x00000002 373 #define POSIX_SPAWN_PROC_CLAMP_MAINTENANCE 0x00000003 374 #define POSIX_SPAWN_PROC_CLAMP_LAST 0x00000004 375 376 #define POSIX_SPAWN_ENTITLEMENT_DRIVER "com.apple.private.spawn-driver" 377 /* Setting to indicate no change to darwin role */ 378 #define POSIX_SPAWN_DARWIN_ROLE_NONE 0x00000000 379 /* Other possible values are specified by PRIO_DARWIN_ROLE in sys/resource.h */ 380 381 /* Other posix spawn options passed through psa_options */ 382 __options_decl(posix_spawn_options, uint32_t, { 383 PSA_OPTION_NONE = 0, 384 PSA_OPTION_PLUGIN_HOST_DISABLE_A_KEYS = 0x1, 385 PSA_OPTION_ALT_ROSETTA = 0x2, 386 PSA_OPTION_DATALESS_IOPOLICY = 0x4, 387 }); 388 389 /* 390 * Allowable posix_spawn() file actions 391 */ 392 typedef enum { 393 PSFA_OPEN = 0, 394 PSFA_CLOSE = 1, 395 PSFA_DUP2 = 2, 396 PSFA_INHERIT = 3, 397 PSFA_FILEPORT_DUP2 = 4, 398 PSFA_CHDIR = 5, 399 PSFA_FCHDIR = 6 400 } psfa_t; 401 402 403 /* 404 * A posix_spawn() file action record for a single action 405 * 406 * Notes: We carry around the full open arguments for both the open 407 * and the close to permit the use of a single array of action 408 * elements to be associated with a file actions object. 409 * 410 * A possible future optimization would be to break this into 411 * a variable sized vector list to save space (i.e. a separate 412 * string area, allocation of least amount of path buffer per 413 * open action, etc.). 414 */ 415 typedef struct _psfa_action { 416 psfa_t psfaa_type; /* file action type */ 417 union { 418 int psfaa_filedes; /* fd to operate on */ 419 mach_port_name_t psfaa_fileport; /* fileport to operate on */ 420 }; 421 union { 422 struct { 423 int psfao_oflag; /* open flags to use */ 424 mode_t psfao_mode; /* mode for open */ 425 char psfao_path[PATH_MAX]; /* path to open */ 426 } psfaa_openargs; 427 struct { 428 int psfad_newfiledes; /* new file descriptor to use */ 429 } psfaa_dup2args; 430 struct { 431 char psfac_path[PATH_MAX]; /* path to chdir */ 432 } psfaa_chdirargs; 433 }; 434 } _psfa_action_t; 435 436 437 /* 438 * Internal representation of posix_spawn() file actions structure 439 * 440 * Notes: This is implemented as a structure followed by an array of 441 * file action records. The psfa_act_alloc value is the number 442 * of elements allocated in this array, and the psfa_act_count is 443 * the number of elements currently in use (to permit some form 444 * of preallocation, e.g. a power of 2 growth for reallocation, 445 * etc.). 446 * 447 * A possible future optimization would keep a size value and 448 * a structure base reference pointer to permit copyin to the 449 * kernel directly as a single blob, without damaging relative 450 * internal pointer math. It's probably better that this be a 451 * long long rather than a true pointer, to make it invariant 452 * for 32 vs. 64 bt programming SPIs. 453 */ 454 typedef struct _posix_spawn_file_actions { 455 int psfa_act_alloc; /* available actions space */ 456 int psfa_act_count; /* count of defined actions */ 457 _psfa_action_t psfa_act_acts[]; /* actions array (uses c99) */ 458 } *_posix_spawn_file_actions_t; 459 460 /* 461 * Calculate the size of a structure, given the number of elements that it is 462 * capable of containing. 463 */ 464 #define PSF_ACTIONS_SIZE(x) \ 465 PS_ACTION_SIZE(x, struct _posix_spawn_file_actions, _psfa_action_t) 466 467 /* 468 * Initial count of actions in a struct _posix_spawn_file_actions after it is 469 * first allocated; this should be non-zero, since we expect that one would not 470 * have been allocated unless there was an intent to use it. 471 */ 472 #define PSF_ACTIONS_INIT_COUNT 2 473 474 /* 475 * Structure defining the true third argument to the posix_spawn() system call 476 * entry point; we wrap it and pass a descriptor so that we can know the 477 * copyin size ahead of time, and deal with copying in variant lists of things 478 * as single monolithic units, instead of many individual elements. This is a 479 * performance optimization. 480 */ 481 struct _posix_spawn_args_desc { 482 __darwin_size_t attr_size; /* size of attributes block */ 483 _posix_spawnattr_t attrp; /* pointer to block */ 484 __darwin_size_t file_actions_size; /* size of file actions block */ 485 _posix_spawn_file_actions_t 486 file_actions; /* pointer to block */ 487 __darwin_size_t port_actions_size; /* size of port actions block */ 488 _posix_spawn_port_actions_t 489 port_actions; /* pointer to port block */ 490 __darwin_size_t mac_extensions_size; 491 _posix_spawn_mac_policy_extensions_t 492 mac_extensions; /* pointer to policy-specific 493 * attributes */ 494 __darwin_size_t coal_info_size; 495 struct _posix_spawn_coalition_info *coal_info; /* pointer to coalition info */ 496 497 __darwin_size_t persona_info_size; 498 struct _posix_spawn_persona_info *persona_info; 499 500 __darwin_size_t posix_cred_info_size; 501 struct _posix_spawn_posix_cred_info *posix_cred_info; 502 503 __darwin_size_t subsystem_root_path_size; 504 char *subsystem_root_path; 505 506 __darwin_size_t conclave_id_size; 507 char *conclave_id; 508 }; 509 510 #ifdef KERNEL 511 #include <sys/appleapiopts.h> 512 #ifdef __APPLE_API_PRIVATE 513 514 #if __DARWIN_ALIGN_NATURAL 515 #pragma options align=natural 516 #endif 517 518 struct user32__posix_spawn_args_desc { 519 uint32_t attr_size; /* size of attributes block */ 520 uint32_t attrp; /* pointer to block */ 521 uint32_t file_actions_size; /* size of file actions block */ 522 uint32_t file_actions; /* pointer to block */ 523 uint32_t port_actions_size; /* size of port actions block */ 524 uint32_t port_actions; /* pointer to block */ 525 uint32_t mac_extensions_size; 526 uint32_t mac_extensions; 527 uint32_t coal_info_size; 528 uint32_t coal_info; 529 uint32_t persona_info_size; 530 uint32_t persona_info; 531 uint32_t posix_cred_info_size; 532 uint32_t posix_cred_info; 533 uint32_t subsystem_root_path_size; 534 uint32_t subsystem_root_path; 535 uint32_t conclave_id_size; 536 uint32_t conclave_id; 537 }; 538 539 struct user__posix_spawn_args_desc { 540 user_size_t attr_size; /* size of attributes block */ 541 user_addr_t attrp; /* pointer to block */ 542 user_size_t file_actions_size; /* size of file actions block */ 543 user_addr_t file_actions; /* pointer to block */ 544 user_size_t port_actions_size; /* size of port actions block */ 545 user_addr_t port_actions; /* pointer to block */ 546 user_size_t mac_extensions_size; /* size of MAC-specific attrs. */ 547 user_addr_t mac_extensions; /* pointer to block */ 548 user_size_t coal_info_size; 549 user_addr_t coal_info; 550 user_size_t persona_info_size; 551 user_addr_t persona_info; 552 user_size_t posix_cred_info_size; 553 user_addr_t posix_cred_info; 554 user_size_t subsystem_root_path_size; 555 user_addr_t subsystem_root_path; 556 user_size_t conclave_id_size; 557 user_addr_t conclave_id; 558 }; 559 560 561 #if __DARWIN_ALIGN_NATURAL 562 #pragma options align=reset 563 #endif 564 565 #endif /* __APPLE_API_PRIVATE */ 566 #endif /* KERNEL */ 567 568 #endif /* _SYS_SPAWN_INTERNAL_H_ */ 569