| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2005 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 | * @OSF_COPYRIGHT@␊ |
| 30 | */␊ |
| 31 | /* ␊ |
| 32 | * Mach Operating System␊ |
| 33 | * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University␊ |
| 34 | * All Rights Reserved.␊ |
| 35 | * ␊ |
| 36 | * Permission to use, copy, modify and distribute this software and its␊ |
| 37 | * documentation is hereby granted, provided that both the copyright␊ |
| 38 | * notice and this permission notice appear in all copies of the␊ |
| 39 | * software, derivative works or modified versions, and any portions␊ |
| 40 | * thereof, and that both notices appear in supporting documentation.␊ |
| 41 | * ␊ |
| 42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"␊ |
| 43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR␊ |
| 44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.␊ |
| 45 | * ␊ |
| 46 | * Carnegie Mellon requests users of this software to return to␊ |
| 47 | * ␊ |
| 48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU␊ |
| 49 | * School of Computer Science␊ |
| 50 | * Carnegie Mellon University␊ |
| 51 | * Pittsburgh PA 15213-3890␊ |
| 52 | * ␊ |
| 53 | * any improvements or extensions that they make and grant Carnegie Mellon␊ |
| 54 | * the rights to redistribute these changes.␊ |
| 55 | */␊ |
| 56 | /*␊ |
| 57 | * NOTICE: This file was modified by McAfee Research in 2004 to introduce␊ |
| 58 | * support for mandatory and extensible security protections. This notice␊ |
| 59 | * is included in support of clause 2.2 (b) of the Apple Public License,␊ |
| 60 | * Version 2.0.␊ |
| 61 | * Copyright (c) 2005 SPARTA, Inc.␊ |
| 62 | */␊ |
| 63 | /*␊ |
| 64 | */␊ |
| 65 | /*␊ |
| 66 | *␉File:␉mach/message.h␊ |
| 67 | *␊ |
| 68 | *␉Mach IPC message and primitive function definitions.␊ |
| 69 | */␊ |
| 70 | ␊ |
| 71 | #ifndef␉_MACH_MESSAGE_H_␊ |
| 72 | #define _MACH_MESSAGE_H_␊ |
| 73 | ␊ |
| 74 | #include <stdint.h>␊ |
| 75 | #include <mach/port.h>␊ |
| 76 | #include <mach/boolean.h>␊ |
| 77 | #include <mach/kern_return.h>␊ |
| 78 | #include <mach/machine/vm_types.h>␊ |
| 79 | ␊ |
| 80 | #include <sys/cdefs.h>␊ |
| 81 | ␊ |
| 82 | /*␊ |
| 83 | * The timeout mechanism uses mach_msg_timeout_t values,␊ |
| 84 | * passed by value. The timeout units are milliseconds.␊ |
| 85 | * It is controlled with the MACH_SEND_TIMEOUT␊ |
| 86 | * and MACH_RCV_TIMEOUT options.␊ |
| 87 | */␊ |
| 88 | ␊ |
| 89 | typedef natural_t mach_msg_timeout_t;␊ |
| 90 | ␊ |
| 91 | /*␊ |
| 92 | * The value to be used when there is no timeout.␊ |
| 93 | * (No MACH_SEND_TIMEOUT/MACH_RCV_TIMEOUT option.)␊ |
| 94 | */␊ |
| 95 | ␊ |
| 96 | #define MACH_MSG_TIMEOUT_NONE␉␉((mach_msg_timeout_t) 0)␊ |
| 97 | ␊ |
| 98 | /*␊ |
| 99 | * The kernel uses MACH_MSGH_BITS_COMPLEX as a hint. If it isn't on, it␊ |
| 100 | * assumes the body of the message doesn't contain port rights or OOL␊ |
| 101 | * data. The field is set in received messages. A user task must␊ |
| 102 | * use caution in interpreting the body of a message if the bit isn't␊ |
| 103 | * on, because the mach_msg_type's in the body might "lie" about the␊ |
| 104 | * contents. If the bit isn't on, but the mach_msg_types␊ |
| 105 | * in the body specify rights or OOL data, the behavior is undefined.␊ |
| 106 | * (Ie, an error may or may not be produced.)␊ |
| 107 | *␊ |
| 108 | * The value of MACH_MSGH_BITS_REMOTE determines the interpretation␊ |
| 109 | * of the msgh_remote_port field. It is handled like a msgt_name.␊ |
| 110 | *␊ |
| 111 | * The value of MACH_MSGH_BITS_LOCAL determines the interpretation␊ |
| 112 | * of the msgh_local_port field. It is handled like a msgt_name.␊ |
| 113 | *␊ |
| 114 | * MACH_MSGH_BITS() combines two MACH_MSG_TYPE_* values, for the remote␊ |
| 115 | * and local fields, into a single value suitable for msgh_bits.␊ |
| 116 | *␊ |
| 117 | * MACH_MSGH_BITS_CIRCULAR should be zero; is is used internally.␊ |
| 118 | *␊ |
| 119 | * The unused bits should be zero and are reserved for the kernel␊ |
| 120 | * or for future interface expansion.␊ |
| 121 | */␊ |
| 122 | ␊ |
| 123 | #define MACH_MSGH_BITS_ZERO␉␉0x00000000␊ |
| 124 | #define MACH_MSGH_BITS_REMOTE_MASK␉0x000000ff␊ |
| 125 | #define MACH_MSGH_BITS_LOCAL_MASK␉0x0000ff00␊ |
| 126 | #define MACH_MSGH_BITS_COMPLEX␉␉0x80000000U␊ |
| 127 | #define MACH_MSGH_BITS_USER 0x8000ffffU␊ |
| 128 | ␊ |
| 129 | #define␉MACH_MSGH_BITS_CIRCULAR␉␉0x40000000␉/* internal use only */␊ |
| 130 | #define␉MACH_MSGH_BITS_USED␉␉0xc000ffffU␊ |
| 131 | ␊ |
| 132 | #define␉MACH_MSGH_BITS_PORTS_MASK␉␉␉␉\␊ |
| 133 | ␉␉(MACH_MSGH_BITS_REMOTE_MASK|MACH_MSGH_BITS_LOCAL_MASK)␊ |
| 134 | ␊ |
| 135 | #define MACH_MSGH_BITS(remote, local)␉␉␉␉\␊ |
| 136 | ␉␉((remote) | ((local) << 8))␊ |
| 137 | #define␉MACH_MSGH_BITS_REMOTE(bits)␉␉␉␉\␊ |
| 138 | ␉␉((bits) & MACH_MSGH_BITS_REMOTE_MASK)␊ |
| 139 | #define␉MACH_MSGH_BITS_LOCAL(bits)␉␉␉␉\␊ |
| 140 | ␉␉(((bits) & MACH_MSGH_BITS_LOCAL_MASK) >> 8)␊ |
| 141 | #define␉MACH_MSGH_BITS_PORTS(bits)␉␉␉␉\␊ |
| 142 | ␉␉((bits) & MACH_MSGH_BITS_PORTS_MASK)␊ |
| 143 | #define␉MACH_MSGH_BITS_OTHER(bits)␉␉␉␉\␊ |
| 144 | ␉␉((bits) &~ MACH_MSGH_BITS_PORTS_MASK)␊ |
| 145 | ␊ |
| 146 | /*␊ |
| 147 | * Every message starts with a message header.␊ |
| 148 | * Following the message header, if the message is complex, are a count␊ |
| 149 | * of type descriptors and the type descriptors themselves ␊ |
| 150 | * (mach_msg_descriptor_t). The size of the message must be specified in ␊ |
| 151 | * bytes, and includes the message header, descriptor count, descriptors, ␊ |
| 152 | * and inline data.␊ |
| 153 | *␊ |
| 154 | * The msgh_remote_port field specifies the destination of the message.␊ |
| 155 | * It must specify a valid send or send-once right for a port.␊ |
| 156 | *␊ |
| 157 | * The msgh_local_port field specifies a "reply port". Normally,␊ |
| 158 | * This field carries a send-once right that the receiver will use␊ |
| 159 | * to reply to the message. It may carry the values MACH_PORT_NULL,␊ |
| 160 | * MACH_PORT_DEAD, a send-once right, or a send right.␊ |
| 161 | *␊ |
| 162 | * The msgh_seqno field carries a sequence number associated with the␊ |
| 163 | * received-from port. A port's sequence number is incremented every␊ |
| 164 | * time a message is received from it. In sent messages, the field's␊ |
| 165 | * value is ignored.␊ |
| 166 | *␊ |
| 167 | * The msgh_id field is uninterpreted by the message primitives.␊ |
| 168 | * It normally carries information specifying the format␊ |
| 169 | * or meaning of the message.␊ |
| 170 | */␊ |
| 171 | ␊ |
| 172 | typedef unsigned int mach_msg_bits_t;␊ |
| 173 | typedef␉natural_t mach_msg_size_t;␊ |
| 174 | typedef integer_t mach_msg_id_t;␊ |
| 175 | ␊ |
| 176 | ␊ |
| 177 | #define MACH_MSG_SIZE_NULL (mach_msg_size_t *) 0␊ |
| 178 | ␊ |
| 179 | typedef unsigned int mach_msg_type_name_t;␊ |
| 180 | ␊ |
| 181 | #define MACH_MSG_TYPE_MOVE_RECEIVE␉16␉/* Must hold receive rights */␊ |
| 182 | #define MACH_MSG_TYPE_MOVE_SEND␉␉17␉/* Must hold send rights */␊ |
| 183 | #define MACH_MSG_TYPE_MOVE_SEND_ONCE␉18␉/* Must hold sendonce rights */␊ |
| 184 | #define MACH_MSG_TYPE_COPY_SEND␉␉19␉/* Must hold send rights */␊ |
| 185 | #define MACH_MSG_TYPE_MAKE_SEND␉␉20␉/* Must hold receive rights */␊ |
| 186 | #define MACH_MSG_TYPE_MAKE_SEND_ONCE␉21␉/* Must hold receive rights */␊ |
| 187 | #define MACH_MSG_TYPE_COPY_RECEIVE␉22␉/* Must hold receive rights */␊ |
| 188 | ␊ |
| 189 | typedef unsigned int mach_msg_copy_options_t;␊ |
| 190 | ␊ |
| 191 | #define MACH_MSG_PHYSICAL_COPY␉␉0␊ |
| 192 | #define MACH_MSG_VIRTUAL_COPY ␉1␊ |
| 193 | #define MACH_MSG_ALLOCATE␉␉2␊ |
| 194 | #define MACH_MSG_OVERWRITE␉␉3␊ |
| 195 | #ifdef MACH_KERNEL␊ |
| 196 | #define MACH_MSG_KALLOC_COPY_T␉␉4␊ |
| 197 | #endif /* MACH_KERNEL */␊ |
| 198 | ␊ |
| 199 | /*␊ |
| 200 | * In a complex mach message, the mach_msg_header_t is followed by ␊ |
| 201 | * a descriptor count, then an array of that number of descriptors ␊ |
| 202 | * (mach_msg_*_descriptor_t). The type field of mach_msg_type_descriptor_t␊ |
| 203 | * (which any descriptor can be cast to) indicates the flavor of the␊ |
| 204 | * descriptor.␊ |
| 205 | *␊ |
| 206 | * Note that in LP64, the various types of descriptors are no longer all␊ |
| 207 | * the same size as mach_msg_descriptor_t, so the array cannot be indexed ␊ |
| 208 | * as expected.␊ |
| 209 | */␊ |
| 210 | ␊ |
| 211 | typedef unsigned int mach_msg_descriptor_type_t;␊ |
| 212 | ␊ |
| 213 | #define MACH_MSG_PORT_DESCRIPTOR ␉␉0␊ |
| 214 | #define MACH_MSG_OOL_DESCRIPTOR ␉␉1␊ |
| 215 | #define MACH_MSG_OOL_PORTS_DESCRIPTOR ␉␉2␊ |
| 216 | #define MACH_MSG_OOL_VOLATILE_DESCRIPTOR ␉3␊ |
| 217 | ␊ |
| 218 | #pragma pack(4)␊ |
| 219 | ␊ |
| 220 | typedef struct␊ |
| 221 | {␊ |
| 222 | natural_t␉␉␉pad1;␊ |
| 223 | mach_msg_size_t␉␉pad2;␊ |
| 224 | unsigned int␉␉␉pad3 : 24;␊ |
| 225 | mach_msg_descriptor_type_t␉type : 8;␊ |
| 226 | } mach_msg_type_descriptor_t;␊ |
| 227 | ␊ |
| 228 | typedef struct␊ |
| 229 | {␊ |
| 230 | mach_port_t␉␉␉name;␊ |
| 231 | #if !(defined(KERNEL) && defined(__LP64__))␊ |
| 232 | // Pad to 8 bytes everywhere except the K64 kernel where mach_port_t is 8 bytes␊ |
| 233 | mach_msg_size_t␉␉pad1;␊ |
| 234 | #endif␊ |
| 235 | unsigned int␉␉␉pad2 : 16;␊ |
| 236 | mach_msg_type_name_t␉␉disposition : 8;␊ |
| 237 | mach_msg_descriptor_type_t␉type : 8;␊ |
| 238 | } mach_msg_port_descriptor_t;␊ |
| 239 | ␊ |
| 240 | typedef struct␊ |
| 241 | {␊ |
| 242 | uint32_t␉␉␉address;␊ |
| 243 | mach_msg_size_t ␉size;␊ |
| 244 | boolean_t ␉␉deallocate: 8;␊ |
| 245 | mach_msg_copy_options_t copy: 8;␊ |
| 246 | unsigned int ␉␉pad1: 8;␊ |
| 247 | mach_msg_descriptor_type_t type: 8;␊ |
| 248 | } mach_msg_ool_descriptor32_t;␊ |
| 249 | ␊ |
| 250 | typedef struct␊ |
| 251 | {␊ |
| 252 | uint64_t␉␉␉address;␊ |
| 253 | boolean_t ␉␉deallocate: 8;␊ |
| 254 | mach_msg_copy_options_t copy: 8;␊ |
| 255 | unsigned int ␉␉pad1: 8;␊ |
| 256 | mach_msg_descriptor_type_t type: 8;␊ |
| 257 | mach_msg_size_t ␉size;␊ |
| 258 | } mach_msg_ool_descriptor64_t;␊ |
| 259 | ␊ |
| 260 | typedef struct␊ |
| 261 | {␊ |
| 262 | void*␉␉␉␉address;␊ |
| 263 | #if !defined(__LP64__)␊ |
| 264 | mach_msg_size_t ␉size;␊ |
| 265 | #endif␊ |
| 266 | boolean_t ␉␉deallocate: 8;␊ |
| 267 | mach_msg_copy_options_t copy: 8;␊ |
| 268 | unsigned int ␉␉pad1: 8;␊ |
| 269 | mach_msg_descriptor_type_t type: 8;␊ |
| 270 | #if defined(__LP64__)␊ |
| 271 | mach_msg_size_t ␉size;␊ |
| 272 | #endif␊ |
| 273 | #if defined(KERNEL) && !defined(__LP64__)␊ |
| 274 | uint32_t pad_end;␊ |
| 275 | #endif␊ |
| 276 | } mach_msg_ool_descriptor_t;␊ |
| 277 | ␊ |
| 278 | typedef struct␊ |
| 279 | {␊ |
| 280 | uint32_t␉␉␉address;␊ |
| 281 | mach_msg_size_t␉␉count;␊ |
| 282 | boolean_t ␉␉deallocate: 8;␊ |
| 283 | mach_msg_copy_options_t copy: 8;␊ |
| 284 | mach_msg_type_name_t␉␉disposition : 8;␊ |
| 285 | mach_msg_descriptor_type_t␉type : 8;␊ |
| 286 | } mach_msg_ool_ports_descriptor32_t;␊ |
| 287 | ␊ |
| 288 | typedef struct␊ |
| 289 | {␊ |
| 290 | uint64_t␉␉␉address;␊ |
| 291 | boolean_t ␉␉deallocate: 8;␊ |
| 292 | mach_msg_copy_options_t copy: 8;␊ |
| 293 | mach_msg_type_name_t␉␉disposition : 8;␊ |
| 294 | mach_msg_descriptor_type_t␉type : 8;␊ |
| 295 | mach_msg_size_t␉␉count;␊ |
| 296 | } mach_msg_ool_ports_descriptor64_t;␊ |
| 297 | ␊ |
| 298 | typedef struct␊ |
| 299 | {␊ |
| 300 | void*␉␉␉␉address;␊ |
| 301 | #if !defined(__LP64__)␊ |
| 302 | mach_msg_size_t␉␉count;␊ |
| 303 | #endif␊ |
| 304 | boolean_t ␉␉deallocate: 8;␊ |
| 305 | mach_msg_copy_options_t copy: 8;␊ |
| 306 | mach_msg_type_name_t␉␉disposition : 8;␊ |
| 307 | mach_msg_descriptor_type_t␉type : 8;␊ |
| 308 | #if defined(__LP64__)␊ |
| 309 | mach_msg_size_t␉␉count;␊ |
| 310 | #endif␊ |
| 311 | #if defined(KERNEL) && !defined(__LP64__)␊ |
| 312 | uint32_t pad_end;␊ |
| 313 | #endif␊ |
| 314 | } mach_msg_ool_ports_descriptor_t;␊ |
| 315 | ␊ |
| 316 | /*␊ |
| 317 | * LP64support - This union definition is not really␊ |
| 318 | * appropriate in LP64 mode because not all descriptors␊ |
| 319 | * are of the same size in that environment.␊ |
| 320 | */␊ |
| 321 | #if defined(__LP64__) && defined(KERNEL)␊ |
| 322 | typedef union␊ |
| 323 | {␊ |
| 324 | mach_msg_port_descriptor_t␉␉port;␊ |
| 325 | mach_msg_ool_descriptor32_t␉␉out_of_line;␊ |
| 326 | mach_msg_ool_ports_descriptor32_t␉ool_ports;␊ |
| 327 | mach_msg_type_descriptor_t␉␉type;␊ |
| 328 | } mach_msg_descriptor_t;␊ |
| 329 | #else␊ |
| 330 | typedef union␊ |
| 331 | {␊ |
| 332 | mach_msg_port_descriptor_t␉␉port;␊ |
| 333 | mach_msg_ool_descriptor_t␉␉out_of_line;␊ |
| 334 | mach_msg_ool_ports_descriptor_t␉ool_ports;␊ |
| 335 | mach_msg_type_descriptor_t␉␉type;␊ |
| 336 | } mach_msg_descriptor_t;␊ |
| 337 | #endif␊ |
| 338 | ␊ |
| 339 | typedef struct␊ |
| 340 | {␊ |
| 341 | mach_msg_size_t msgh_descriptor_count;␊ |
| 342 | } mach_msg_body_t;␊ |
| 343 | ␊ |
| 344 | #define MACH_MSG_BODY_NULL (mach_msg_body_t *) 0␊ |
| 345 | #define MACH_MSG_DESCRIPTOR_NULL (mach_msg_descriptor_t *) 0␊ |
| 346 | ␊ |
| 347 | typedef␉struct ␊ |
| 348 | {␊ |
| 349 | mach_msg_bits_t␉msgh_bits;␊ |
| 350 | mach_msg_size_t␉msgh_size;␊ |
| 351 | mach_port_t␉␉msgh_remote_port;␊ |
| 352 | mach_port_t␉␉msgh_local_port;␊ |
| 353 | mach_msg_size_t ␉msgh_reserved;␊ |
| 354 | mach_msg_id_t␉␉msgh_id;␊ |
| 355 | } mach_msg_header_t;␊ |
| 356 | ␊ |
| 357 | #define MACH_MSG_NULL (mach_msg_header_t *) 0␊ |
| 358 | ␊ |
| 359 | typedef struct␊ |
| 360 | {␊ |
| 361 | mach_msg_header_t header;␊ |
| 362 | mach_msg_body_t body;␊ |
| 363 | } mach_msg_base_t;␊ |
| 364 | ␊ |
| 365 | typedef␉unsigned int mach_msg_trailer_type_t;␊ |
| 366 | ␊ |
| 367 | #define␉MACH_MSG_TRAILER_FORMAT_0␉0␊ |
| 368 | ␊ |
| 369 | typedef␉unsigned int mach_msg_trailer_size_t;␊ |
| 370 | ␊ |
| 371 | typedef struct ␊ |
| 372 | {␊ |
| 373 | mach_msg_trailer_type_t␉msgh_trailer_type;␊ |
| 374 | mach_msg_trailer_size_t␉msgh_trailer_size;␊ |
| 375 | } mach_msg_trailer_t;␊ |
| 376 | ␊ |
| 377 | typedef struct␊ |
| 378 | {␊ |
| 379 | mach_msg_trailer_type_t msgh_trailer_type;␊ |
| 380 | mach_msg_trailer_size_t msgh_trailer_size;␊ |
| 381 | mach_port_seqno_t msgh_seqno;␊ |
| 382 | } mach_msg_seqno_trailer_t;␊ |
| 383 | ␊ |
| 384 | typedef struct␊ |
| 385 | {␊ |
| 386 | unsigned int␉␉␉val[2];␊ |
| 387 | } security_token_t;␊ |
| 388 | ␊ |
| 389 | typedef struct ␊ |
| 390 | {␊ |
| 391 | mach_msg_trailer_type_t␉msgh_trailer_type;␊ |
| 392 | mach_msg_trailer_size_t␉msgh_trailer_size;␊ |
| 393 | mach_port_seqno_t␉␉msgh_seqno;␊ |
| 394 | security_token_t␉␉msgh_sender;␊ |
| 395 | } mach_msg_security_trailer_t;␊ |
| 396 | ␊ |
| 397 | /*␊ |
| 398 | * The audit token is an opaque token which identifies␊ |
| 399 | * Mach tasks and senders of Mach messages as subjects␊ |
| 400 | * to the BSM audit system. Only the appropriate BSM␊ |
| 401 | * library routines should be used to interpret the␊ |
| 402 | * contents of the audit token as the representation␊ |
| 403 | * of the subject identity within the token may change␊ |
| 404 | * over time.␊ |
| 405 | */␊ |
| 406 | typedef struct␊ |
| 407 | {␊ |
| 408 | unsigned int␉␉␉val[8];␊ |
| 409 | } audit_token_t;␊ |
| 410 | ␊ |
| 411 | typedef struct ␊ |
| 412 | {␊ |
| 413 | mach_msg_trailer_type_t␉msgh_trailer_type;␊ |
| 414 | mach_msg_trailer_size_t␉msgh_trailer_size;␊ |
| 415 | mach_port_seqno_t␉␉msgh_seqno;␊ |
| 416 | security_token_t␉␉msgh_sender;␊ |
| 417 | audit_token_t␉␉␉msgh_audit;␊ |
| 418 | } mach_msg_audit_trailer_t;␊ |
| 419 | ␊ |
| 420 | typedef struct ␊ |
| 421 | {␊ |
| 422 | mach_msg_trailer_type_t␉msgh_trailer_type;␊ |
| 423 | mach_msg_trailer_size_t␉msgh_trailer_size;␊ |
| 424 | mach_port_seqno_t␉␉msgh_seqno;␊ |
| 425 | security_token_t␉␉msgh_sender;␊ |
| 426 | audit_token_t␉␉␉msgh_audit;␊ |
| 427 | mach_vm_address_t␉␉msgh_context;␊ |
| 428 | } mach_msg_context_trailer_t;␊ |
| 429 | ␊ |
| 430 | ␊ |
| 431 | typedef struct␊ |
| 432 | {␊ |
| 433 | mach_port_name_t sender;␊ |
| 434 | } msg_labels_t;␊ |
| 435 | ␊ |
| 436 | /* ␊ |
| 437 | Trailer type to pass MAC policy label info as a mach message trailer.␊ |
| 438 | ␊ |
| 439 | */␊ |
| 440 | ␊ |
| 441 | typedef struct␊ |
| 442 | {␊ |
| 443 | mach_msg_trailer_type_t msgh_trailer_type;␊ |
| 444 | mach_msg_trailer_size_t msgh_trailer_size;␊ |
| 445 | mach_port_seqno_t msgh_seqno;␊ |
| 446 | security_token_t msgh_sender;␊ |
| 447 | audit_token_t msgh_audit;␊ |
| 448 | mach_vm_address_t msgh_context;␊ |
| 449 | int␉␉␉␉msgh_ad;␊ |
| 450 | msg_labels_t msgh_labels;␊ |
| 451 | } mach_msg_mac_trailer_t;␊ |
| 452 | ␊ |
| 453 | #define MACH_MSG_TRAILER_MINIMUM_SIZE sizeof(mach_msg_trailer_t)␊ |
| 454 | ␊ |
| 455 | /*␊ |
| 456 | * These values can change from release to release - but clearly␊ |
| 457 | * code cannot request additional trailer elements one was not␊ |
| 458 | * compiled to understand. Therefore, it is safe to use this␊ |
| 459 | * constant when the same module specified the receive options.␊ |
| 460 | * Otherwise, you run the risk that the options requested by␊ |
| 461 | * another module may exceed the local modules notion of␊ |
| 462 | * MAX_TRAILER_SIZE.␊ |
| 463 | */␊ |
| 464 | typedef mach_msg_mac_trailer_t mach_msg_max_trailer_t;␊ |
| 465 | #define MAX_TRAILER_SIZE ((mach_msg_size_t)sizeof(mach_msg_max_trailer_t))␊ |
| 466 | ␊ |
| 467 | /*␊ |
| 468 | * Legacy requirements keep us from ever updating these defines (even␊ |
| 469 | * when the format_0 trailers gain new option data fields in the future).␊ |
| 470 | * Therefore, they shouldn't be used going forward. Instead, the sizes␊ |
| 471 | * should be compared against the specific element size requested using␊ |
| 472 | * REQUESTED_TRAILER_SIZE.␊ |
| 473 | */␊ |
| 474 | typedef mach_msg_security_trailer_t mach_msg_format_0_trailer_t;␊ |
| 475 | ␊ |
| 476 | /*typedef mach_msg_mac_trailer_t mach_msg_format_0_trailer_t;␊ |
| 477 | */␊ |
| 478 | ␊ |
| 479 | #define MACH_MSG_TRAILER_FORMAT_0_SIZE sizeof(mach_msg_format_0_trailer_t)␊ |
| 480 | ␊ |
| 481 | #define KERNEL_SECURITY_TOKEN_VALUE { {0, 1} }␊ |
| 482 | extern security_token_t KERNEL_SECURITY_TOKEN;␊ |
| 483 | ␊ |
| 484 | #define KERNEL_AUDIT_TOKEN_VALUE { {0, 0, 0, 0, 0, 0, 0, 0} }␊ |
| 485 | extern audit_token_t KERNEL_AUDIT_TOKEN;␊ |
| 486 | ␊ |
| 487 | typedef␉integer_t mach_msg_options_t;␊ |
| 488 | ␊ |
| 489 | typedef struct␊ |
| 490 | {␊ |
| 491 | mach_msg_header_t␉header;␊ |
| 492 | } mach_msg_empty_send_t;␊ |
| 493 | ␊ |
| 494 | typedef struct␊ |
| 495 | {␊ |
| 496 | mach_msg_header_t␉header;␊ |
| 497 | mach_msg_trailer_t␉trailer;␊ |
| 498 | } mach_msg_empty_rcv_t;␊ |
| 499 | ␊ |
| 500 | typedef union␊ |
| 501 | {␊ |
| 502 | mach_msg_empty_send_t␉send;␊ |
| 503 | mach_msg_empty_rcv_t␉rcv;␊ |
| 504 | } mach_msg_empty_t;␊ |
| 505 | ␊ |
| 506 | #pragma pack()␊ |
| 507 | ␊ |
| 508 | /* utility to round the message size - will become machine dependent */␊ |
| 509 | #define round_msg(x)␉(((mach_msg_size_t)(x) + sizeof (natural_t) - 1) & \␊ |
| 510 | ␉␉␉␉~(sizeof (natural_t) - 1))␊ |
| 511 | ␊ |
| 512 | /*␊ |
| 513 | * There is no fixed upper bound to the size of Mach messages.␊ |
| 514 | */␊ |
| 515 | ␊ |
| 516 | #define␉MACH_MSG_SIZE_MAX␉((mach_msg_size_t) ~0)␊ |
| 517 | ␊ |
| 518 | /*␊ |
| 519 | * Compatibility definitions, for code written␊ |
| 520 | * when there was a msgh_kind instead of msgh_seqno.␊ |
| 521 | */␊ |
| 522 | #define MACH_MSGH_KIND_NORMAL␉␉0x00000000␊ |
| 523 | #define MACH_MSGH_KIND_NOTIFICATION␉0x00000001␊ |
| 524 | #define␉msgh_kind␉␉␉msgh_seqno␊ |
| 525 | #define mach_msg_kind_t␉␉␉mach_port_seqno_t␊ |
| 526 | ␊ |
| 527 | typedef natural_t mach_msg_type_size_t;␊ |
| 528 | typedef natural_t mach_msg_type_number_t;␊ |
| 529 | ␊ |
| 530 | /*␊ |
| 531 | * Values received/carried in messages. Tells the receiver what␊ |
| 532 | * sort of port right he now has.␊ |
| 533 | *␊ |
| 534 | * MACH_MSG_TYPE_PORT_NAME is used to transfer a port name␊ |
| 535 | * which should remain uninterpreted by the kernel. (Port rights␊ |
| 536 | * are not transferred, just the port name.)␊ |
| 537 | */␊ |
| 538 | ␊ |
| 539 | #define MACH_MSG_TYPE_PORT_NONE␉␉0␊ |
| 540 | ␊ |
| 541 | #define MACH_MSG_TYPE_PORT_NAME␉␉15␊ |
| 542 | #define MACH_MSG_TYPE_PORT_RECEIVE␉MACH_MSG_TYPE_MOVE_RECEIVE␊ |
| 543 | #define MACH_MSG_TYPE_PORT_SEND␉␉MACH_MSG_TYPE_MOVE_SEND␊ |
| 544 | #define MACH_MSG_TYPE_PORT_SEND_ONCE␉MACH_MSG_TYPE_MOVE_SEND_ONCE␊ |
| 545 | ␊ |
| 546 | #define MACH_MSG_TYPE_LAST␉␉22␉␉/* Last assigned */␊ |
| 547 | ␊ |
| 548 | /*␊ |
| 549 | * A dummy value. Mostly used to indicate that the actual value␊ |
| 550 | * will be filled in later, dynamically.␊ |
| 551 | */␊ |
| 552 | ␊ |
| 553 | #define MACH_MSG_TYPE_POLYMORPHIC␉((mach_msg_type_name_t) -1)␊ |
| 554 | ␊ |
| 555 | /*␊ |
| 556 | *␉Is a given item a port type?␊ |
| 557 | */␊ |
| 558 | ␊ |
| 559 | #define MACH_MSG_TYPE_PORT_ANY(x)␉␉␉\␊ |
| 560 | ␉(((x) >= MACH_MSG_TYPE_MOVE_RECEIVE) &&␉␉\␊ |
| 561 | ␉ ((x) <= MACH_MSG_TYPE_MAKE_SEND_ONCE))␊ |
| 562 | ␊ |
| 563 | #define␉MACH_MSG_TYPE_PORT_ANY_SEND(x)␉␉␉\␊ |
| 564 | ␉(((x) >= MACH_MSG_TYPE_MOVE_SEND) &&␉␉\␊ |
| 565 | ␉ ((x) <= MACH_MSG_TYPE_MAKE_SEND_ONCE))␊ |
| 566 | ␊ |
| 567 | #define␉MACH_MSG_TYPE_PORT_ANY_RIGHT(x)␉␉␉\␊ |
| 568 | ␉(((x) >= MACH_MSG_TYPE_MOVE_RECEIVE) &&␉␉\␊ |
| 569 | ␉ ((x) <= MACH_MSG_TYPE_MOVE_SEND_ONCE))␊ |
| 570 | ␊ |
| 571 | typedef integer_t mach_msg_option_t;␊ |
| 572 | ␊ |
| 573 | #define MACH_MSG_OPTION_NONE␉0x00000000␊ |
| 574 | ␊ |
| 575 | #define␉MACH_SEND_MSG␉␉0x00000001␊ |
| 576 | #define␉MACH_RCV_MSG␉␉0x00000002␊ |
| 577 | #define MACH_RCV_LARGE␉␉0x00000004␊ |
| 578 | ␊ |
| 579 | #define MACH_SEND_TIMEOUT␉0x00000010␊ |
| 580 | #define MACH_SEND_INTERRUPT␉0x00000040␉/* libmach implements */␊ |
| 581 | #define MACH_SEND_CANCEL␉0x00000080␊ |
| 582 | #define MACH_SEND_ALWAYS␉0x00010000␉/* internal use only */␊ |
| 583 | #define MACH_SEND_TRAILER␉0x00020000␉␊ |
| 584 | ␊ |
| 585 | #define MACH_RCV_TIMEOUT␉0x00000100␊ |
| 586 | #define MACH_RCV_NOTIFY␉␉0x00000200␊ |
| 587 | #define MACH_RCV_INTERRUPT␉0x00000400␉/* libmach implements */␊ |
| 588 | #define MACH_RCV_OVERWRITE␉0x00001000␊ |
| 589 | ␊ |
| 590 | /* ␊ |
| 591 | * NOTE: a 0x00------ RCV mask implies to ask for␊ |
| 592 | * a MACH_MSG_TRAILER_FORMAT_0 with 0 Elements, ␊ |
| 593 | * which is equivalent to a mach_msg_trailer_t.␊ |
| 594 | *␊ |
| 595 | * XXXMAC: unlike the rest of the MACH_RCV_* flags, MACH_RCV_TRAILER_LABELS␊ |
| 596 | * needs its own private bit since we only calculate its fields when absolutely ␊ |
| 597 | * required.␊ |
| 598 | */␊ |
| 599 | #define MACH_RCV_TRAILER_NULL 0␊ |
| 600 | #define MACH_RCV_TRAILER_SEQNO 1␊ |
| 601 | #define MACH_RCV_TRAILER_SENDER 2␊ |
| 602 | #define MACH_RCV_TRAILER_AUDIT 3␊ |
| 603 | #define MACH_RCV_TRAILER_CTX 4␊ |
| 604 | #define MACH_RCV_TRAILER_AV 7␊ |
| 605 | #define MACH_RCV_TRAILER_LABELS 8␊ |
| 606 | ␊ |
| 607 | #define MACH_RCV_TRAILER_TYPE(x) (((x) & 0xf) << 28) ␊ |
| 608 | #define MACH_RCV_TRAILER_ELEMENTS(x) (((x) & 0xf) << 24) ␊ |
| 609 | #define MACH_RCV_TRAILER_MASK ␉ ((0xff << 24))␊ |
| 610 | ␊ |
| 611 | #define GET_RCV_ELEMENTS(y) (((y) >> 24) & 0xf)␊ |
| 612 | ␊ |
| 613 | /* ␊ |
| 614 | * XXXMAC: note that in the case of MACH_RCV_TRAILER_LABELS, ␊ |
| 615 | * we just fall through to mach_msg_max_trailer_t.␊ |
| 616 | * This is correct behavior since mach_msg_max_trailer_t is defined as␊ |
| 617 | * mac_msg_mac_trailer_t which is used for the LABELS trailer.␊ |
| 618 | * It also makes things work properly if MACH_RCV_TRAILER_LABELS is ORed ␊ |
| 619 | * with one of the other options.␊ |
| 620 | */␊ |
| 621 | #define REQUESTED_TRAILER_SIZE(y) ␉␉␉␉\␊ |
| 622 | ␉((mach_msg_trailer_size_t)␉␉␉␉\␊ |
| 623 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_NULL) ?␉\␊ |
| 624 | ␉ sizeof(mach_msg_trailer_t) :␉␉␉␉\␊ |
| 625 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SEQNO) ?␉\␊ |
| 626 | ␉ sizeof(mach_msg_seqno_trailer_t) :␉␉␉\␊ |
| 627 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SENDER) ?␉\␊ |
| 628 | ␉ sizeof(mach_msg_security_trailer_t) :␉␉\␊ |
| 629 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AUDIT) ?␉\␊ |
| 630 | ␉ sizeof(mach_msg_audit_trailer_t) : ␉␉\␊ |
| 631 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_CTX) ?␉\␊ |
| 632 | ␉ sizeof(mach_msg_context_trailer_t) : ␉␉\␊ |
| 633 | ␉ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AV) ?␉\␊ |
| 634 | ␉ sizeof(mach_msg_mac_trailer_t) : ␉␉\␊ |
| 635 | ␉ sizeof(mach_msg_max_trailer_t))))))))␊ |
| 636 | ␊ |
| 637 | /*␊ |
| 638 | * Much code assumes that mach_msg_return_t == kern_return_t.␊ |
| 639 | * This definition is useful for descriptive purposes.␊ |
| 640 | *␊ |
| 641 | * See <mach/error.h> for the format of error codes.␊ |
| 642 | * IPC errors are system 4. Send errors are subsystem 0;␊ |
| 643 | * receive errors are subsystem 1. The code field is always non-zero.␊ |
| 644 | * The high bits of the code field communicate extra information␊ |
| 645 | * for some error codes. MACH_MSG_MASK masks off these special bits.␊ |
| 646 | */␊ |
| 647 | ␊ |
| 648 | typedef kern_return_t mach_msg_return_t;␊ |
| 649 | ␊ |
| 650 | #define MACH_MSG_SUCCESS␉␉0x00000000␊ |
| 651 | ␊ |
| 652 | ␊ |
| 653 | #define␉MACH_MSG_MASK␉␉␉0x00003e00␊ |
| 654 | ␉␉/* All special error code bits defined below. */␊ |
| 655 | #define␉MACH_MSG_IPC_SPACE␉␉0x00002000␊ |
| 656 | ␉␉/* No room in IPC name space for another capability name. */␊ |
| 657 | #define␉MACH_MSG_VM_SPACE␉␉0x00001000␊ |
| 658 | ␉␉/* No room in VM address space for out-of-line memory. */␊ |
| 659 | #define␉MACH_MSG_IPC_KERNEL␉␉0x00000800␊ |
| 660 | ␉␉/* Kernel resource shortage handling an IPC capability. */␊ |
| 661 | #define␉MACH_MSG_VM_KERNEL␉␉0x00000400␊ |
| 662 | ␉␉/* Kernel resource shortage handling out-of-line memory. */␊ |
| 663 | ␊ |
| 664 | #define MACH_SEND_IN_PROGRESS␉␉0x10000001␊ |
| 665 | ␉␉/* Thread is waiting to send. (Internal use only.) */␊ |
| 666 | #define MACH_SEND_INVALID_DATA␉␉0x10000002␊ |
| 667 | ␉␉/* Bogus in-line data. */␊ |
| 668 | #define MACH_SEND_INVALID_DEST␉␉0x10000003␊ |
| 669 | ␉␉/* Bogus destination port. */␊ |
| 670 | #define MACH_SEND_TIMED_OUT␉␉0x10000004␊ |
| 671 | ␉␉/* Message not sent before timeout expired. */␊ |
| 672 | #define MACH_SEND_INTERRUPTED␉␉0x10000007␊ |
| 673 | ␉␉/* Software interrupt. */␊ |
| 674 | #define MACH_SEND_MSG_TOO_SMALL␉␉0x10000008␊ |
| 675 | ␉␉/* Data doesn't contain a complete message. */␊ |
| 676 | #define MACH_SEND_INVALID_REPLY␉␉0x10000009␊ |
| 677 | ␉␉/* Bogus reply port. */␊ |
| 678 | #define MACH_SEND_INVALID_RIGHT␉␉0x1000000a␊ |
| 679 | ␉␉/* Bogus port rights in the message body. */␊ |
| 680 | #define MACH_SEND_INVALID_NOTIFY␉0x1000000b␊ |
| 681 | ␉␉/* Bogus notify port argument. */␊ |
| 682 | #define MACH_SEND_INVALID_MEMORY␉0x1000000c␊ |
| 683 | ␉␉/* Invalid out-of-line memory pointer. */␊ |
| 684 | #define MACH_SEND_NO_BUFFER␉␉0x1000000d␊ |
| 685 | ␉␉/* No message buffer is available. */␊ |
| 686 | #define MACH_SEND_TOO_LARGE␉␉0x1000000e␊ |
| 687 | ␉␉/* Send is too large for port */␊ |
| 688 | #define MACH_SEND_INVALID_TYPE␉␉0x1000000f␊ |
| 689 | ␉␉/* Invalid msg-type specification. */␊ |
| 690 | #define MACH_SEND_INVALID_HEADER␉0x10000010␊ |
| 691 | ␉␉/* A field in the header had a bad value. */␊ |
| 692 | #define MACH_SEND_INVALID_TRAILER␉0x10000011␊ |
| 693 | ␉␉/* The trailer to be sent does not match kernel format. */␊ |
| 694 | #define MACH_SEND_INVALID_RT_OOL_SIZE␉0x10000015␊ |
| 695 | ␉␉/* compatibility: no longer a returned error */␊ |
| 696 | ␊ |
| 697 | #define MACH_RCV_IN_PROGRESS␉␉0x10004001␊ |
| 698 | ␉␉/* Thread is waiting for receive. (Internal use only.) */␊ |
| 699 | #define MACH_RCV_INVALID_NAME␉␉0x10004002␊ |
| 700 | ␉␉/* Bogus name for receive port/port-set. */␊ |
| 701 | #define MACH_RCV_TIMED_OUT␉␉0x10004003␊ |
| 702 | ␉␉/* Didn't get a message within the timeout value. */␊ |
| 703 | #define MACH_RCV_TOO_LARGE␉␉0x10004004␊ |
| 704 | ␉␉/* Message buffer is not large enough for inline data. */␊ |
| 705 | #define MACH_RCV_INTERRUPTED␉␉0x10004005␊ |
| 706 | ␉␉/* Software interrupt. */␊ |
| 707 | #define MACH_RCV_PORT_CHANGED␉␉0x10004006␊ |
| 708 | ␉␉/* compatibility: no longer a returned error */␊ |
| 709 | #define MACH_RCV_INVALID_NOTIFY␉␉0x10004007␊ |
| 710 | ␉␉/* Bogus notify port argument. */␊ |
| 711 | #define MACH_RCV_INVALID_DATA␉␉0x10004008␊ |
| 712 | ␉␉/* Bogus message buffer for inline data. */␊ |
| 713 | #define MACH_RCV_PORT_DIED␉␉0x10004009␊ |
| 714 | ␉␉/* Port/set was sent away/died during receive. */␊ |
| 715 | #define␉MACH_RCV_IN_SET␉␉␉0x1000400a␊ |
| 716 | ␉␉/* compatibility: no longer a returned error */␊ |
| 717 | #define␉MACH_RCV_HEADER_ERROR␉␉0x1000400b␊ |
| 718 | ␉␉/* Error receiving message header. See special bits. */␊ |
| 719 | #define␉MACH_RCV_BODY_ERROR␉␉0x1000400c␊ |
| 720 | ␉␉/* Error receiving message body. See special bits. */␊ |
| 721 | #define␉MACH_RCV_INVALID_TYPE␉␉0x1000400d␊ |
| 722 | ␉␉/* Invalid msg-type specification in scatter list. */␊ |
| 723 | #define␉MACH_RCV_SCATTER_SMALL␉␉0x1000400e␊ |
| 724 | ␉␉/* Out-of-line overwrite region is not large enough */␊ |
| 725 | #define MACH_RCV_INVALID_TRAILER␉0x1000400f␊ |
| 726 | ␉␉/* trailer type or number of trailer elements not supported */␊ |
| 727 | #define MACH_RCV_IN_PROGRESS_TIMED 0x10004011␊ |
| 728 | /* Waiting for receive with timeout. (Internal use only.) */␊ |
| 729 | ␊ |
| 730 | ␊ |
| 731 | __BEGIN_DECLS␊ |
| 732 | ␊ |
| 733 | /*␊ |
| 734 | *␉Routine:␉mach_msg_overwrite␊ |
| 735 | *␉Purpose:␊ |
| 736 | *␉␉Send and/or receive a message. If the message operation␊ |
| 737 | *␉␉is interrupted, and the user did not request an indication␊ |
| 738 | *␉␉of that fact, then restart the appropriate parts of the␊ |
| 739 | *␉␉operation silently (trap version does not restart).␊ |
| 740 | *␊ |
| 741 | *␉␉Distinct send and receive buffers may be specified. If␊ |
| 742 | *␉␉no separate receive buffer is specified, the msg parameter␊ |
| 743 | *␉␉will be used for both send and receive operations.␊ |
| 744 | *␊ |
| 745 | *␉␉In addition to a distinct receive buffer, that buffer may␊ |
| 746 | *␉␉already contain scatter control information to direct the␊ |
| 747 | *␉␉receiving of the message.␊ |
| 748 | */␊ |
| 749 | ␊ |
| 750 | extern mach_msg_return_t␉mach_msg_overwrite(␊ |
| 751 | ␉␉␉␉␉mach_msg_header_t *msg,␊ |
| 752 | ␉␉␉␉␉mach_msg_option_t option,␊ |
| 753 | ␉␉␉␉␉mach_msg_size_t send_size,␊ |
| 754 | ␉␉␉␉␉mach_msg_size_t rcv_size,␊ |
| 755 | ␉␉␉␉␉mach_port_name_t rcv_name,␊ |
| 756 | ␉␉␉␉␉mach_msg_timeout_t timeout,␊ |
| 757 | ␉␉␉␉␉mach_port_name_t notify,␊ |
| 758 | ␉␉␉␉␉mach_msg_header_t *rcv_msg,␊ |
| 759 | ␉␉␉␉␉mach_msg_size_t rcv_limit);␊ |
| 760 | ␊ |
| 761 | ␊ |
| 762 | /*␊ |
| 763 | *␉Routine:␉mach_msg␊ |
| 764 | *␉Purpose:␊ |
| 765 | *␉␉Send and/or receive a message. If the message operation␊ |
| 766 | *␉␉is interrupted, and the user did not request an indication␊ |
| 767 | *␉␉of that fact, then restart the appropriate parts of the␊ |
| 768 | *␉␉operation silently (trap version does not restart).␊ |
| 769 | */␊ |
| 770 | extern mach_msg_return_t␉mach_msg(␊ |
| 771 | ␉␉␉␉␉mach_msg_header_t *msg,␊ |
| 772 | ␉␉␉␉␉mach_msg_option_t option,␊ |
| 773 | ␉␉␉␉␉mach_msg_size_t send_size,␊ |
| 774 | ␉␉␉␉␉mach_msg_size_t rcv_size,␊ |
| 775 | ␉␉␉␉␉mach_port_name_t rcv_name,␊ |
| 776 | ␉␉␉␉␉mach_msg_timeout_t timeout,␊ |
| 777 | ␉␉␉␉␉mach_port_name_t notify);␊ |
| 778 | ␊ |
| 779 | ␊ |
| 780 | __END_DECLS␊ |
| 781 | ␊ |
| 782 | #endif␉/* _MACH_MESSAGE_H_ */␊ |
| 783 | ␊ |
| 784 | |
