1 /*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Sean Eric Fagan of Cygnus Support. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #if defined(LIBC_SCCS) && !defined(lint) 34 static char sccsid[] = "@(#)sysconf.c 8.2 (Berkeley) 3/20/94"; 35 #endif /* LIBC_SCCS and not lint */ 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/time.h> 41 #include <sys/sysctl.h> 42 #include <sys/resource.h> 43 #include <sys/socket.h> 44 45 #include <errno.h> 46 #include <limits.h> 47 #include <paths.h> 48 #include <pthread.h> /* we just need the limits */ 49 #include <time.h> 50 #include <unistd.h> 51 52 #include "../stdlib/atexit.h" 53 #include "../stdtime/tzfile.h" 54 55 #define _PATH_ZONEINFO TZDIR /* from tzfile.h */ 56 57 /* 58 * sysconf -- 59 * get configurable system variables. 60 * 61 * XXX 62 * POSIX 1003.1 (ISO/IEC 9945-1, 4.8.1.3) states that the variable values 63 * not change during the lifetime of the calling process. This would seem 64 * to require that any change to system limits kill all running processes. 65 * A workaround might be to cache the values when they are first retrieved 66 * and then simply return the cached value on subsequent calls. This is 67 * less useful than returning up-to-date values, however. 68 */ 69 long 70 sysconf(name) 71 int name; 72 { 73 struct rlimit rl; 74 size_t len; 75 int mib[2], sverrno, value; 76 long defaultresult; 77 const char *path; 78 const char *sname; 79 80 len = sizeof(value); 81 defaultresult = -1; 82 sname = NULL; 83 84 switch (name) { 85 case _SC_ARG_MAX: 86 mib[0] = CTL_KERN; 87 mib[1] = KERN_ARGMAX; 88 break; 89 case _SC_CHILD_MAX: 90 if (getrlimit(RLIMIT_NPROC, &rl) != 0) 91 return (-1); 92 if (rl.rlim_cur == RLIM_INFINITY) 93 return (-1); 94 if (rl.rlim_cur > LONG_MAX) { 95 errno = EOVERFLOW; 96 return (-1); 97 } 98 return ((long)rl.rlim_cur); 99 case _SC_CLK_TCK: 100 return (CLK_TCK); 101 case _SC_NGROUPS_MAX: 102 mib[0] = CTL_KERN; 103 mib[1] = KERN_NGROUPS; 104 break; 105 case _SC_OPEN_MAX: 106 case _SC_STREAM_MAX: /* assume fds run out before memory does */ 107 if (getrlimit(RLIMIT_NOFILE, &rl) != 0) 108 return (-1); 109 if (rl.rlim_cur == RLIM_INFINITY) 110 return (-1); 111 if (rl.rlim_cur > LONG_MAX) { 112 errno = EOVERFLOW; 113 return (-1); 114 } 115 return ((long)rl.rlim_cur); 116 case _SC_JOB_CONTROL: 117 return (_POSIX_JOB_CONTROL); 118 case _SC_SAVED_IDS: 119 /* XXX - must be 1 */ 120 mib[0] = CTL_KERN; 121 mib[1] = KERN_SAVED_IDS; 122 goto yesno; 123 case _SC_VERSION: 124 mib[0] = CTL_KERN; 125 mib[1] = KERN_POSIX1; 126 break; 127 case _SC_BC_BASE_MAX: 128 return (BC_BASE_MAX); 129 case _SC_BC_DIM_MAX: 130 return (BC_DIM_MAX); 131 case _SC_BC_SCALE_MAX: 132 return (BC_SCALE_MAX); 133 case _SC_BC_STRING_MAX: 134 return (BC_STRING_MAX); 135 case _SC_COLL_WEIGHTS_MAX: 136 return (COLL_WEIGHTS_MAX); 137 case _SC_EXPR_NEST_MAX: 138 return (EXPR_NEST_MAX); 139 case _SC_LINE_MAX: 140 return (LINE_MAX); 141 case _SC_RE_DUP_MAX: 142 return (RE_DUP_MAX); 143 case _SC_2_VERSION: 144 /* 145 * This is something of a lie, but it would be silly at 146 * this point to try to deduce this from the contents 147 * of the filesystem. 148 */ 149 return (_POSIX2_VERSION); 150 case _SC_2_C_BIND: 151 return (_POSIX2_C_BIND); 152 case _SC_2_C_DEV: 153 return (_POSIX2_C_DEV); 154 case _SC_2_CHAR_TERM: 155 return (_POSIX2_CHAR_TERM); 156 case _SC_2_FORT_DEV: 157 return (_POSIX2_FORT_DEV); 158 case _SC_2_FORT_RUN: 159 return (_POSIX2_FORT_RUN); 160 case _SC_2_LOCALEDEF: 161 return (_POSIX2_LOCALEDEF); 162 case _SC_2_SW_DEV: 163 return (_POSIX2_SW_DEV); 164 case _SC_2_UPE: 165 return (_POSIX2_UPE); 166 case _SC_TZNAME_MAX: 167 path = _PATH_ZONEINFO; 168 do_NAME_MAX: 169 sverrno = errno; 170 errno = 0; 171 value = pathconf(path, _PC_NAME_MAX); 172 if (value == -1 && errno != 0) 173 return (-1); 174 errno = sverrno; 175 return (value); 176 177 case _SC_ASYNCHRONOUS_IO: 178 #if _POSIX_ASYNCHRONOUS_IO == 0 179 mib[0] = CTL_P1003_1B; 180 mib[1] = CTL_P1003_1B_ASYNCHRONOUS_IO; 181 break; 182 #else 183 return (_POSIX_ASYNCHRONOUS_IO); 184 #endif 185 case _SC_MAPPED_FILES: 186 return (_POSIX_MAPPED_FILES); 187 case _SC_MEMLOCK: 188 return (_POSIX_MEMLOCK); 189 case _SC_MEMLOCK_RANGE: 190 return (_POSIX_MEMLOCK_RANGE); 191 case _SC_MEMORY_PROTECTION: 192 return (_POSIX_MEMORY_PROTECTION); 193 case _SC_MESSAGE_PASSING: 194 #if _POSIX_MESSAGE_PASSING == 0 195 mib[0] = CTL_P1003_1B; 196 mib[1] = CTL_P1003_1B_MESSAGE_PASSING; 197 goto yesno; 198 #else 199 return (_POSIX_MESSAGE_PASSING); 200 #endif 201 case _SC_PRIORITIZED_IO: 202 #if _POSIX_PRIORITIZED_IO == 0 203 mib[0] = CTL_P1003_1B; 204 mib[1] = CTL_P1003_1B_PRIORITIZED_IO; 205 goto yesno; 206 #else 207 return (_POSIX_PRIORITIZED_IO); 208 #endif 209 case _SC_PRIORITY_SCHEDULING: 210 #if _POSIX_PRIORITY_SCHEDULING == 0 211 mib[0] = CTL_P1003_1B; 212 mib[1] = CTL_P1003_1B_PRIORITY_SCHEDULING; 213 goto yesno; 214 #else 215 return (_POSIX_PRIORITY_SCHEDULING); 216 #endif 217 case _SC_REALTIME_SIGNALS: 218 #if _POSIX_REALTIME_SIGNALS == 0 219 mib[0] = CTL_P1003_1B; 220 mib[1] = CTL_P1003_1B_REALTIME_SIGNALS; 221 goto yesno; 222 #else 223 return (_POSIX_REALTIME_SIGNALS); 224 #endif 225 case _SC_SEMAPHORES: 226 #if _POSIX_SEMAPHORES == 0 227 mib[0] = CTL_P1003_1B; 228 mib[1] = CTL_P1003_1B_SEMAPHORES; 229 goto yesno; 230 #else 231 return (_POSIX_SEMAPHORES); 232 #endif 233 case _SC_FSYNC: 234 return (_POSIX_FSYNC); 235 236 case _SC_SHARED_MEMORY_OBJECTS: 237 return (_POSIX_SHARED_MEMORY_OBJECTS); 238 case _SC_SYNCHRONIZED_IO: 239 #if _POSIX_SYNCHRONIZED_IO == 0 240 mib[0] = CTL_P1003_1B; 241 mib[1] = CTL_P1003_1B_SYNCHRONIZED_IO; 242 goto yesno; 243 #else 244 return (_POSIX_SYNCHRONIZED_IO); 245 #endif 246 case _SC_TIMERS: 247 #if _POSIX_TIMERS == 0 248 mib[0] = CTL_P1003_1B; 249 mib[1] = CTL_P1003_1B_TIMERS; 250 goto yesno; 251 #else 252 return (_POSIX_TIMERS); 253 #endif 254 case _SC_AIO_LISTIO_MAX: 255 mib[0] = CTL_P1003_1B; 256 mib[1] = CTL_P1003_1B_AIO_LISTIO_MAX; 257 break; 258 case _SC_AIO_MAX: 259 mib[0] = CTL_P1003_1B; 260 mib[1] = CTL_P1003_1B_AIO_MAX; 261 break; 262 case _SC_AIO_PRIO_DELTA_MAX: 263 mib[0] = CTL_P1003_1B; 264 mib[1] = CTL_P1003_1B_AIO_PRIO_DELTA_MAX; 265 break; 266 case _SC_DELAYTIMER_MAX: 267 mib[0] = CTL_P1003_1B; 268 mib[1] = CTL_P1003_1B_DELAYTIMER_MAX; 269 goto yesno; 270 case _SC_MQ_OPEN_MAX: 271 mib[0] = CTL_P1003_1B; 272 mib[1] = CTL_P1003_1B_MQ_OPEN_MAX; 273 goto yesno; 274 case _SC_PAGESIZE: 275 defaultresult = getpagesize(); 276 mib[0] = CTL_P1003_1B; 277 mib[1] = CTL_P1003_1B_PAGESIZE; 278 goto yesno; 279 case _SC_RTSIG_MAX: 280 mib[0] = CTL_P1003_1B; 281 mib[1] = CTL_P1003_1B_RTSIG_MAX; 282 goto yesno; 283 case _SC_SEM_NSEMS_MAX: 284 mib[0] = CTL_P1003_1B; 285 mib[1] = CTL_P1003_1B_SEM_NSEMS_MAX; 286 goto yesno; 287 case _SC_SEM_VALUE_MAX: 288 mib[0] = CTL_P1003_1B; 289 mib[1] = CTL_P1003_1B_SEM_VALUE_MAX; 290 goto yesno; 291 case _SC_SIGQUEUE_MAX: 292 mib[0] = CTL_P1003_1B; 293 mib[1] = CTL_P1003_1B_SIGQUEUE_MAX; 294 goto yesno; 295 case _SC_TIMER_MAX: 296 mib[0] = CTL_P1003_1B; 297 mib[1] = CTL_P1003_1B_TIMER_MAX; 298 299 yesno: if (sysctl(mib, 2, &value, &len, NULL, 0) == -1) 300 return (-1); 301 if (value == 0) 302 return (defaultresult); 303 return (value); 304 305 case _SC_2_PBS: 306 case _SC_2_PBS_ACCOUNTING: 307 case _SC_2_PBS_CHECKPOINT: 308 case _SC_2_PBS_LOCATE: 309 case _SC_2_PBS_MESSAGE: 310 case _SC_2_PBS_TRACK: 311 #if _POSIX2_PBS == 0 312 #error "don't know how to determine _SC_2_PBS" 313 /* 314 * This probably requires digging through the filesystem 315 * to see if the appropriate package has been installed. 316 * Since we don't currently support this option at all, 317 * it's not worth the effort to write the code now. 318 * Figuring out which of the sub-options are supported 319 * would be even more difficult, so it's probably easier 320 * to always say ``no''. 321 */ 322 #else 323 return (_POSIX2_PBS); 324 #endif 325 case _SC_ADVISORY_INFO: 326 #if _POSIX_ADVISORY_INFO == 0 327 #error "_POSIX_ADVISORY_INFO" 328 #else 329 return (_POSIX_ADVISORY_INFO); 330 #endif 331 case _SC_BARRIERS: 332 #if _POSIX_BARRIERS == 0 333 #error "_POSIX_BARRIERS" 334 #else 335 return (_POSIX_BARRIERS); 336 #endif 337 case _SC_CLOCK_SELECTION: 338 #if _POSIX_CLOCK_SELECTION == 0 339 #error "_POSIX_CLOCK_SELECTION" 340 #else 341 return (_POSIX_CLOCK_SELECTION); 342 #endif 343 case _SC_CPUTIME: 344 #if _POSIX_CPUTIME == 0 345 #error "_POSIX_CPUTIME" 346 #else 347 return (_POSIX_CPUTIME); 348 #endif 349 #ifdef notdef 350 case _SC_FILE_LOCKING: 351 /* 352 * XXX - The standard doesn't tell us how to define 353 * _POSIX_FILE_LOCKING, so we can't answer this one. 354 */ 355 #endif 356 #if _POSIX_THREAD_SAFE_FUNCTIONS > -1 357 case _SC_GETGR_R_SIZE_MAX: 358 case _SC_GETPW_R_SIZE_MAX: 359 #error "somebody needs to implement this" 360 #endif 361 case _SC_HOST_NAME_MAX: 362 return (MAXHOSTNAMELEN - 1); /* does not include \0 */ 363 case _SC_LOGIN_NAME_MAX: 364 return (MAXLOGNAME); 365 case _SC_MONOTONIC_CLOCK: 366 #if _POSIX_MONOTONIC_CLOCK == 0 367 #error "_POSIX_MONOTONIC_CLOCK" 368 #else 369 return (_POSIX_MONOTONIC_CLOCK); 370 #endif 371 #if _POSIX_MESSAGE_PASSING > -1 372 case _SC_MQ_PRIO_MAX: 373 return (MQ_PRIO_MAX); 374 #endif 375 case _SC_READER_WRITER_LOCKS: 376 return (_POSIX_READER_WRITER_LOCKS); 377 case _SC_REGEXP: 378 return (_POSIX_REGEXP); 379 case _SC_SHELL: 380 return (_POSIX_SHELL); 381 case _SC_SPAWN: 382 return (_POSIX_SPAWN); 383 case _SC_SPIN_LOCKS: 384 return (_POSIX_SPIN_LOCKS); 385 case _SC_SPORADIC_SERVER: 386 #if _POSIX_SPORADIC_SERVER == 0 387 #error "_POSIX_SPORADIC_SERVER" 388 #else 389 return (_POSIX_SPORADIC_SERVER); 390 #endif 391 case _SC_THREAD_ATTR_STACKADDR: 392 return (_POSIX_THREAD_ATTR_STACKADDR); 393 case _SC_THREAD_ATTR_STACKSIZE: 394 return (_POSIX_THREAD_ATTR_STACKSIZE); 395 case _SC_THREAD_CPUTIME: 396 return (_POSIX_THREAD_CPUTIME); 397 case _SC_THREAD_DESTRUCTOR_ITERATIONS: 398 return (PTHREAD_DESTRUCTOR_ITERATIONS); 399 case _SC_THREAD_KEYS_MAX: 400 return (PTHREAD_KEYS_MAX); 401 case _SC_THREAD_PRIO_INHERIT: 402 return (_POSIX_THREAD_PRIO_INHERIT); 403 case _SC_THREAD_PRIO_PROTECT: 404 return (_POSIX_THREAD_PRIO_PROTECT); 405 case _SC_THREAD_PRIORITY_SCHEDULING: 406 return (_POSIX_THREAD_PRIORITY_SCHEDULING); 407 case _SC_THREAD_PROCESS_SHARED: 408 return (_POSIX_THREAD_PROCESS_SHARED); 409 case _SC_THREAD_SAFE_FUNCTIONS: 410 return (_POSIX_THREAD_SAFE_FUNCTIONS); 411 case _SC_THREAD_STACK_MIN: 412 return (PTHREAD_STACK_MIN); 413 case _SC_THREAD_THREADS_MAX: 414 return (PTHREAD_THREADS_MAX); /* XXX wrong type! */ 415 case _SC_TIMEOUTS: 416 return (_POSIX_TIMEOUTS); 417 case _SC_THREADS: 418 return (_POSIX_THREADS); 419 case _SC_TRACE: 420 #if _POSIX_TRACE == 0 421 #error "_POSIX_TRACE" 422 /* While you're implementing this, also do the ones below. */ 423 #else 424 return (_POSIX_TRACE); 425 #endif 426 #if _POSIX_TRACE > -1 427 case _SC_TRACE_EVENT_FILTER: 428 return (_POSIX_TRACE_EVENT_FILTER); 429 case _SC_TRACE_INHERIT: 430 return (_POSIX_TRACE_INHERIT); 431 case _SC_TRACE_LOG: 432 return (_POSIX_TRACE_LOG); 433 #endif 434 case _SC_TTY_NAME_MAX: 435 path = _PATH_DEV; 436 goto do_NAME_MAX; 437 case _SC_TYPED_MEMORY_OBJECTS: 438 #if _POSIX_TYPED_MEMORY_OBJECTS == 0 439 #error "_POSIX_TYPED_MEMORY_OBJECTS" 440 #else 441 return (_POSIX_TYPED_MEMORY_OBJECTS); 442 #endif 443 case _SC_V6_ILP32_OFF32: 444 #if _V6_ILP32_OFF32 == 0 445 if (sizeof(int) * CHAR_BIT == 32 && 446 sizeof(int) == sizeof(long) && 447 sizeof(long) == sizeof(void *) && 448 sizeof(void *) == sizeof(off_t)) 449 return 1; 450 else 451 return -1; 452 #else 453 return (_V6_ILP32_OFF32); 454 #endif 455 case _SC_V6_ILP32_OFFBIG: 456 #if _V6_ILP32_OFFBIG == 0 457 if (sizeof(int) * CHAR_BIT == 32 && 458 sizeof(int) == sizeof(long) && 459 sizeof(long) == sizeof(void *) && 460 sizeof(off_t) * CHAR_BIT >= 64) 461 return 1; 462 else 463 return -1; 464 #else 465 return (_V6_ILP32_OFFBIG); 466 #endif 467 case _SC_V6_LP64_OFF64: 468 #if _V6_LP64_OFF64 == 0 469 if (sizeof(int) * CHAR_BIT == 32 && 470 sizeof(long) * CHAR_BIT == 64 && 471 sizeof(long) == sizeof(void *) && 472 sizeof(void *) == sizeof(off_t)) 473 return 1; 474 else 475 return -1; 476 #else 477 return (_V6_LP64_OFF64); 478 #endif 479 case _SC_V6_LPBIG_OFFBIG: 480 #if _V6_LPBIG_OFFBIG == 0 481 if (sizeof(int) * CHAR_BIT >= 32 && 482 sizeof(long) * CHAR_BIT >= 64 && 483 sizeof(void *) * CHAR_BIT >= 64 && 484 sizeof(off_t) * CHAR_BIT >= 64) 485 return 1; 486 else 487 return -1; 488 #else 489 return (_V6_LPBIG_OFFBIG); 490 #endif 491 case _SC_ATEXIT_MAX: 492 return (ATEXIT_SIZE); 493 case _SC_IOV_MAX: 494 mib[0] = CTL_KERN; 495 mib[1] = KERN_IOV_MAX; 496 break; 497 case _SC_XOPEN_CRYPT: 498 return (_XOPEN_CRYPT); 499 case _SC_XOPEN_ENH_I18N: 500 return (_XOPEN_ENH_I18N); 501 case _SC_XOPEN_LEGACY: 502 return (_XOPEN_LEGACY); 503 case _SC_XOPEN_REALTIME: 504 #if _XOPEN_REALTIME == 0 505 sverrno = errno; 506 value = sysconf(_SC_ASYNCHRONOUS_IO) > 0 && 507 sysconf(_SC_MEMLOCK) > 0 && 508 sysconf(_SC_MEMLOCK_RANGE) > 0 && 509 sysconf(_SC_MESSAGE_PASSING) > 0 && 510 sysconf(_SC_PRIORITY_SCHEDULING) > 0 && 511 sysconf(_SC_REALTIME_SIGNALS) > 0 && 512 sysconf(_SC_SEMAPHORES) > 0 && 513 sysconf(_SC_SHARED_MEMORY_OBJECTS) > 0 && 514 sysconf(_SC_SYNCHRONIZED_IO) > 0 && 515 sysconf(_SC_TIMERS) > 0; 516 errno = sverrno; 517 if (value) 518 return (200112L); 519 else 520 return (-1); 521 #else 522 return (_XOPEN_REALTIME); 523 #endif 524 case _SC_XOPEN_REALTIME_THREADS: 525 #if _XOPEN_REALTIME_THREADS == 0 526 #error "_XOPEN_REALTIME_THREADS" 527 #else 528 return (_XOPEN_REALTIME_THREADS); 529 #endif 530 case _SC_XOPEN_SHM: 531 sverrno = errno; 532 if (sysctlbyname("kern.ipc.shmmin", &value, &len, NULL, 533 0) == -1) { 534 errno = sverrno; 535 return (-1); 536 } 537 errno = sverrno; 538 return (1); 539 case _SC_XOPEN_STREAMS: 540 return (_XOPEN_STREAMS); 541 case _SC_XOPEN_UNIX: 542 return (_XOPEN_UNIX); 543 #ifdef _XOPEN_VERSION 544 case _SC_XOPEN_VERSION: 545 return (_XOPEN_VERSION); 546 #endif 547 #ifdef _XOPEN_XCU_VERSION 548 case _SC_XOPEN_XCU_VERSION: 549 return (_XOPEN_XCU_VERSION); 550 #endif 551 case _SC_SYMLOOP_MAX: 552 return (MAXSYMLINKS); 553 case _SC_RAW_SOCKETS: 554 return (_POSIX_RAW_SOCKETS); 555 case _SC_IPV6: 556 #if _POSIX_IPV6 == 0 557 sverrno = errno; 558 value = socket(PF_INET6, SOCK_DGRAM, 0); 559 errno = sverrno; 560 if (value >= 0) { 561 close(value); 562 return (200112L); 563 } else 564 return (0); 565 #else 566 return (_POSIX_IPV6); 567 #endif 568 569 case _SC_NPROCESSORS_CONF: 570 case _SC_NPROCESSORS_ONLN: 571 mib[0] = CTL_HW; 572 mib[1] = HW_NCPU; 573 break; 574 575 #ifdef _SC_PHYS_PAGES 576 case _SC_PHYS_PAGES: 577 sname = "hw.availpages"; 578 break; 579 #endif 580 581 default: 582 errno = EINVAL; 583 return (-1); 584 } 585 if (sname == NULL) { 586 if (sysctl(mib, 2, &value, &len, NULL, 0) == -1) 587 value = -1; 588 } else { 589 if (sysctlbyname(sname, &value, &len, NULL, 0) == -1) 590 value = -1; 591 } 592 return (value); 593 } 594