kern_time_50.c revision 1.7
1 /* $NetBSD: kern_time_50.c,v 1.7 2009/03/29 19:21:19 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: kern_time_50.c,v 1.7 2009/03/29 19:21:19 christos Exp $"); 40 41 #ifdef _KERNEL_OPT 42 #include "opt_ntp.h" 43 #endif 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/namei.h> 48 #include <sys/filedesc.h> 49 #include <sys/kernel.h> 50 #include <sys/file.h> 51 #include <sys/stat.h> 52 #include <sys/socketvar.h> 53 #include <sys/vnode.h> 54 #include <sys/mount.h> 55 #include <sys/proc.h> 56 #include <sys/uio.h> 57 #include <sys/dirent.h> 58 #include <sys/malloc.h> 59 #include <sys/kauth.h> 60 #include <sys/time.h> 61 #include <sys/timex.h> 62 #include <sys/timetc.h> 63 #include <sys/aio.h> 64 #include <sys/poll.h> 65 #include <sys/syscallargs.h> 66 #include <sys/resource.h> 67 68 #include <compat/common/compat_util.h> 69 #include <compat/sys/time.h> 70 #include <compat/sys/timex.h> 71 #include <compat/sys/resource.h> 72 #include <compat/sys/clockctl.h> 73 74 static int 75 compat_50_kevent_fetch_timeout(const void *src, void *dest, size_t length) 76 { 77 struct timespec50 ts50; 78 int error; 79 80 KASSERT(length == sizeof(struct timespec)); 81 82 error = copyin(src, &ts50, sizeof(ts50)); 83 if (error) 84 return error; 85 timespec50_to_timespec(&ts50, (struct timespec *)dest); 86 return 0; 87 } 88 89 int 90 compat_50_sys_kevent(struct lwp *l, const struct compat_50_sys_kevent_args *uap, 91 register_t *retval) 92 { 93 /* { 94 syscallarg(int) fd; 95 syscallarg(keventp_t) changelist; 96 syscallarg(size_t) nchanges; 97 syscallarg(keventp_t) eventlist; 98 syscallarg(size_t) nevents; 99 syscallarg(struct timespec50) timeout; 100 } */ 101 static const struct kevent_ops compat_50_kevent_ops = { 102 .keo_private = NULL, 103 .keo_fetch_timeout = compat_50_kevent_fetch_timeout, 104 .keo_fetch_changes = kevent_fetch_changes, 105 .keo_put_events = kevent_put_events, 106 }; 107 108 return kevent1(retval, SCARG(uap, fd), SCARG(uap, changelist), 109 SCARG(uap, nchanges), SCARG(uap, eventlist), SCARG(uap, nevents), 110 (const struct timespec *)(const void *)SCARG(uap, timeout), 111 &compat_50_kevent_ops); 112 } 113 114 int 115 compat_50_sys_clock_gettime(struct lwp *l, 116 const struct compat_50_sys_clock_gettime_args *uap, register_t *retval) 117 { 118 /* { 119 syscallarg(clockid_t) clock_id; 120 syscallarg(struct timespec50 *) tp; 121 } */ 122 clockid_t clock_id; 123 struct timespec ats; 124 struct timespec50 ats50; 125 126 clock_id = SCARG(uap, clock_id); 127 switch (clock_id) { 128 case CLOCK_REALTIME: 129 nanotime(&ats); 130 break; 131 case CLOCK_MONOTONIC: 132 nanouptime(&ats); 133 break; 134 default: 135 return (EINVAL); 136 } 137 timespec_to_timespec50(&ats, &ats50); 138 139 return copyout(&ats50, SCARG(uap, tp), sizeof(ats50)); 140 } 141 142 /* ARGSUSED */ 143 int 144 compat_50_sys_clock_settime(struct lwp *l, 145 const struct compat_50_sys_clock_settime_args *uap, register_t *retval) 146 { 147 /* { 148 syscallarg(clockid_t) clock_id; 149 syscallarg(const struct timespec50 *) tp; 150 } */ 151 int error; 152 struct timespec ats; 153 struct timespec50 ats50; 154 155 error = copyin(SCARG(uap, tp), &ats50, sizeof(ats50)); 156 if (error) 157 return error; 158 timespec50_to_timespec(&ats50, &ats); 159 160 return clock_settime1(l->l_proc, SCARG(uap, clock_id), &ats, 161 true); 162 } 163 164 165 int 166 compat_50_sys_clock_getres(struct lwp *l, 167 const struct compat_50_sys_clock_getres_args *uap, register_t *retval) 168 { 169 /* { 170 syscallarg(clockid_t) clock_id; 171 syscallarg(struct timespec50 *) tp; 172 } */ 173 clockid_t clock_id; 174 struct timespec50 ats50; 175 int error = 0; 176 177 clock_id = SCARG(uap, clock_id); 178 switch (clock_id) { 179 case CLOCK_REALTIME: 180 case CLOCK_MONOTONIC: 181 ats50.tv_sec = 0; 182 if (tc_getfrequency() > 1000000000) 183 ats50.tv_nsec = 1; 184 else 185 ats50.tv_nsec = 1000000000 / tc_getfrequency(); 186 break; 187 default: 188 return (EINVAL); 189 } 190 191 if (SCARG(uap, tp)) 192 error = copyout(&ats50, SCARG(uap, tp), sizeof(*SCARG(uap, tp))); 193 194 return error; 195 } 196 197 /* ARGSUSED */ 198 int 199 compat_50_sys_nanosleep(struct lwp *l, 200 const struct compat_50_sys_nanosleep_args *uap, register_t *retval) 201 { 202 /* { 203 syscallarg(struct timespec50 *) rqtp; 204 syscallarg(struct timespec50 *) rmtp; 205 } */ 206 struct timespec rmt, rqt; 207 struct timespec50 rmt50, rqt50; 208 int error, error1; 209 210 error = copyin(SCARG(uap, rqtp), &rqt50, sizeof(rqt50)); 211 if (error) 212 return error; 213 timespec50_to_timespec(&rqt50, &rqt); 214 215 error = nanosleep1(l, &rqt, SCARG(uap, rmtp) ? &rmt : NULL); 216 if (SCARG(uap, rmtp) == NULL || (error != 0 && error != EINTR)) 217 return error; 218 219 timespec_to_timespec50(&rmt, &rmt50); 220 error1 = copyout(&rmt50, SCARG(uap, rmtp), sizeof(*SCARG(uap, rmtp))); 221 return error1 ? error1 : error; 222 } 223 224 /* ARGSUSED */ 225 int 226 compat_50_sys_gettimeofday(struct lwp *l, 227 const struct compat_50_sys_gettimeofday_args *uap, register_t *retval) 228 { 229 /* { 230 syscallarg(struct timeval50 *) tp; 231 syscallarg(void *) tzp; really "struct timezone *"; 232 } */ 233 struct timeval atv; 234 struct timeval50 atv50; 235 int error = 0; 236 struct timezone tzfake; 237 238 if (SCARG(uap, tp)) { 239 microtime(&atv); 240 timeval_to_timeval50(&atv, &atv50); 241 error = copyout(&atv50, SCARG(uap, tp), sizeof(*SCARG(uap, tp))); 242 if (error) 243 return error; 244 } 245 if (SCARG(uap, tzp)) { 246 /* 247 * NetBSD has no kernel notion of time zone, so we just 248 * fake up a timezone struct and return it if demanded. 249 */ 250 tzfake.tz_minuteswest = 0; 251 tzfake.tz_dsttime = 0; 252 error = copyout(&tzfake, SCARG(uap, tzp), sizeof(tzfake)); 253 } 254 return error; 255 } 256 257 /* ARGSUSED */ 258 int 259 compat_50_sys_settimeofday(struct lwp *l, 260 const struct compat_50_sys_settimeofday_args *uap, register_t *retval) 261 { 262 /* { 263 syscallarg(const struct timeval50 *) tv; 264 syscallarg(const void *) tzp; really "const struct timezone *"; 265 } */ 266 struct timeval50 atv50; 267 struct timeval atv; 268 int error = copyin(SCARG(uap, tv), &atv50, sizeof(atv50)); 269 if (error) 270 return error; 271 timeval50_to_timeval(&atv50, &atv); 272 return settimeofday1(&atv, false, SCARG(uap, tzp), l, true); 273 } 274 275 /* ARGSUSED */ 276 int 277 compat_50_sys_adjtime(struct lwp *l, 278 const struct compat_50_sys_adjtime_args *uap, register_t *retval) 279 { 280 /* { 281 syscallarg(const struct timeval50 *) delta; 282 syscallarg(struct timeval50 *) olddelta; 283 } */ 284 int error; 285 struct timeval50 delta50, olddelta50; 286 struct timeval delta, olddelta; 287 288 if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_TIME, 289 KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL, NULL)) != 0) 290 return error; 291 292 if (SCARG(uap, delta)) { 293 error = copyin(SCARG(uap, delta), &delta50, 294 sizeof(*SCARG(uap, delta))); 295 if (error) 296 return (error); 297 timeval50_to_timeval(&delta50, &delta); 298 } 299 adjtime1(SCARG(uap, delta) ? &delta : NULL, 300 SCARG(uap, olddelta) ? &olddelta : NULL, l->l_proc); 301 if (SCARG(uap, olddelta)) { 302 timeval_to_timeval50(&olddelta, &olddelta50); 303 error = copyout(&olddelta50, SCARG(uap, olddelta), 304 sizeof(*SCARG(uap, olddelta))); 305 } 306 return error; 307 } 308 309 /* BSD routine to set/arm an interval timer. */ 310 /* ARGSUSED */ 311 int 312 compat_50_sys_getitimer(struct lwp *l, 313 const struct compat_50_sys_getitimer_args *uap, register_t *retval) 314 { 315 /* { 316 syscallarg(int) which; 317 syscallarg(struct itimerval50 *) itv; 318 } */ 319 struct proc *p = l->l_proc; 320 struct itimerval aitv; 321 struct itimerval50 aitv50; 322 int error; 323 324 error = dogetitimer(p, SCARG(uap, which), &aitv); 325 if (error) 326 return error; 327 itimerval_to_itimerval50(&aitv, &aitv50); 328 return copyout(&aitv50, SCARG(uap, itv), sizeof(*SCARG(uap, itv))); 329 } 330 331 int 332 compat_50_sys_setitimer(struct lwp *l, 333 const struct compat_50_sys_setitimer_args *uap, register_t *retval) 334 { 335 /* { 336 syscallarg(int) which; 337 syscallarg(const struct itimerval50 *) itv; 338 syscallarg(struct itimerval50 *) oitv; 339 } */ 340 struct proc *p = l->l_proc; 341 int which = SCARG(uap, which); 342 struct compat_50_sys_getitimer_args getargs; 343 const struct itimerval50 *itvp; 344 struct itimerval50 aitv50; 345 struct itimerval aitv; 346 int error; 347 348 if ((u_int)which > ITIMER_PROF) 349 return (EINVAL); 350 itvp = SCARG(uap, itv); 351 if (itvp && 352 (error = copyin(itvp, &aitv50, sizeof(aitv50)) != 0)) 353 return (error); 354 itimerval50_to_itimerval(&aitv50, &aitv); 355 if (SCARG(uap, oitv) != NULL) { 356 SCARG(&getargs, which) = which; 357 SCARG(&getargs, itv) = SCARG(uap, oitv); 358 if ((error = compat_50_sys_getitimer(l, &getargs, retval)) != 0) 359 return (error); 360 } 361 if (itvp == 0) 362 return (0); 363 364 return dosetitimer(p, which, &aitv); 365 } 366 367 int 368 compat_50_sys_aio_suspend(struct lwp *l, 369 const struct compat_50_sys_aio_suspend_args *uap, register_t *retval) 370 { 371 /* { 372 syscallarg(const struct aiocb *const[]) list; 373 syscallarg(int) nent; 374 syscallarg(const struct timespec50 *) timeout; 375 } */ 376 #ifdef notyet 377 struct aiocb **list; 378 struct timespec ts; 379 struct timespec50 ts50; 380 int error, nent; 381 382 nent = SCARG(uap, nent); 383 if (nent <= 0 || nent > aio_listio_max) 384 return EAGAIN; 385 386 if (SCARG(uap, timeout)) { 387 /* Convert timespec to ticks */ 388 error = copyin(SCARG(uap, timeout), &ts50, 389 sizeof(*SCARG(uap, timeout))); 390 if (error) 391 return error; 392 timespec50_to_timespec(&ts50, &ts); 393 } 394 list = kmem_zalloc(nent * sizeof(struct aio_job), KM_SLEEP); 395 error = copyin(SCARG(uap, list), list, nent * sizeof(struct aiocb)); 396 if (error) 397 goto out; 398 error = aio_suspend1(l, list, nent, SCARG(uap, timeout) ? &ts : NULL); 399 out: 400 kmem_free(list, nent * sizeof(struct aio_job)); 401 return error; 402 #else 403 return ENOSYS; 404 #endif 405 } 406 407 int 408 compat_50_sys_select(struct lwp *l, const struct compat_50_sys_select_args *uap, register_t *retval) 409 { 410 /* { 411 syscallarg(int) nd; 412 syscallarg(fd_set *) in; 413 syscallarg(fd_set *) ou; 414 syscallarg(fd_set *) ex; 415 syscallarg(struct timeval50 *) tv; 416 } */ 417 struct timespec ats, *ts = NULL; 418 struct timeval50 atv50; 419 int error; 420 421 if (SCARG(uap, tv)) { 422 error = copyin(SCARG(uap, tv), (void *)&atv50, sizeof(atv50)); 423 if (error) 424 return error; 425 ats.tv_sec = atv50.tv_sec; 426 ats.tv_nsec = atv50.tv_usec * 1000; 427 ts = &ats; 428 } 429 430 return selcommon(l, retval, SCARG(uap, nd), SCARG(uap, in), 431 SCARG(uap, ou), SCARG(uap, ex), ts, NULL); 432 } 433 434 int 435 compat_50_sys_pselect(struct lwp *l, 436 const struct compat_50_sys_pselect_args *uap, register_t *retval) 437 { 438 /* { 439 syscallarg(int) nd; 440 syscallarg(fd_set *) in; 441 syscallarg(fd_set *) ou; 442 syscallarg(fd_set *) ex; 443 syscallarg(const struct timespec50 *) ts; 444 syscallarg(sigset_t *) mask; 445 } */ 446 struct timespec50 ats50; 447 struct timespec ats, *ts = NULL; 448 sigset_t amask, *mask = NULL; 449 int error; 450 451 if (SCARG(uap, ts)) { 452 error = copyin(SCARG(uap, ts), &ats50, sizeof(ats50)); 453 if (error) 454 return error; 455 timespec50_to_timespec(&ats50, &ats); 456 ts = &ats; 457 } 458 if (SCARG(uap, mask) != NULL) { 459 error = copyin(SCARG(uap, mask), &amask, sizeof(amask)); 460 if (error) 461 return error; 462 mask = &amask; 463 } 464 465 return selcommon(l, retval, SCARG(uap, nd), SCARG(uap, in), 466 SCARG(uap, ou), SCARG(uap, ex), ts, mask); 467 } 468 int 469 compat_50_sys_pollts(struct lwp *l, const struct compat_50_sys_pollts_args *uap, 470 register_t *retval) 471 { 472 /* { 473 syscallarg(struct pollfd *) fds; 474 syscallarg(u_int) nfds; 475 syscallarg(const struct timespec50 *) ts; 476 syscallarg(const sigset_t *) mask; 477 } */ 478 struct timespec ats, *ts = NULL; 479 struct timespec50 ats50; 480 sigset_t amask, *mask = NULL; 481 int error; 482 483 if (SCARG(uap, ts)) { 484 error = copyin(SCARG(uap, ts), &ats50, sizeof(ats50)); 485 if (error) 486 return error; 487 timespec50_to_timespec(&ats50, &ats); 488 ts = &ats; 489 } 490 if (SCARG(uap, mask)) { 491 error = copyin(SCARG(uap, mask), &amask, sizeof(amask)); 492 if (error) 493 return error; 494 mask = &amask; 495 } 496 497 return pollcommon(l, retval, SCARG(uap, fds), SCARG(uap, nfds), 498 ts, mask); 499 } 500 501 int 502 compat_50_sys__lwp_park(struct lwp *l, 503 const struct compat_50_sys__lwp_park_args *uap, register_t *retval) 504 { 505 /* { 506 syscallarg(const struct timespec50 *) ts; 507 syscallarg(lwpid_t) unpark; 508 syscallarg(const void *) hint; 509 syscallarg(const void *) unparkhint; 510 } */ 511 struct timespec ts, *tsp; 512 struct timespec50 ts50; 513 int error; 514 515 if (SCARG(uap, ts) == NULL) 516 tsp = NULL; 517 else { 518 error = copyin(SCARG(uap, ts), &ts50, sizeof(ts50)); 519 if (error != 0) 520 return error; 521 timespec50_to_timespec(&ts50, &ts); 522 tsp = &ts; 523 } 524 525 if (SCARG(uap, unpark) != 0) { 526 error = lwp_unpark(SCARG(uap, unpark), SCARG(uap, unparkhint)); 527 if (error != 0) 528 return error; 529 } 530 531 return lwp_park(tsp, SCARG(uap, hint)); 532 } 533 534 int 535 compat_50_sys_mq_timedsend(struct lwp *l, 536 const struct compat_50_sys_mq_timedsend_args *uap, register_t *retval) 537 { 538 /* { 539 syscallarg(mqd_t) mqdes; 540 syscallarg(const char *) msg_ptr; 541 syscallarg(size_t) msg_len; 542 syscallarg(unsigned) msg_prio; 543 syscallarg(const struct timespec50 *) abs_timeout; 544 } */ 545 int t; 546 int error; 547 struct timespec50 ts50; 548 struct timespec ts; 549 550 /* Get and convert time value */ 551 if (SCARG(uap, abs_timeout)) { 552 error = copyin(SCARG(uap, abs_timeout), &ts50, sizeof(ts50)); 553 if (error) 554 return error; 555 timespec50_to_timespec(&ts50, &ts); 556 error = abstimeout2timo(&ts, &t); 557 if (error) 558 return error; 559 } else 560 t = 0; 561 562 return mq_send1(l, SCARG(uap, mqdes), SCARG(uap, msg_ptr), 563 SCARG(uap, msg_len), SCARG(uap, msg_prio), t); 564 } 565 566 int 567 compat_50_sys_mq_timedreceive(struct lwp *l, 568 const struct compat_50_sys_mq_timedreceive_args *uap, register_t *retval) 569 { 570 /* { 571 syscallarg(mqd_t) mqdes; 572 syscallarg(char *) msg_ptr; 573 syscallarg(size_t) msg_len; 574 syscallarg(unsigned *) msg_prio; 575 syscallarg(const struct timespec50 *) abs_timeout; 576 } */ 577 int error, t; 578 ssize_t mlen; 579 struct timespec ts; 580 struct timespec50 ts50; 581 582 /* Get and convert time value */ 583 if (SCARG(uap, abs_timeout)) { 584 error = copyin(SCARG(uap, abs_timeout), &ts50, sizeof(ts50)); 585 if (error) 586 return error; 587 588 timespec50_to_timespec(&ts50, &ts); 589 error = abstimeout2timo(&ts, &t); 590 if (error) 591 return error; 592 } else 593 t = 0; 594 595 error = mq_receive1(l, SCARG(uap, mqdes), SCARG(uap, msg_ptr), 596 SCARG(uap, msg_len), SCARG(uap, msg_prio), t, &mlen); 597 if (error == 0) 598 *retval = mlen; 599 600 return error; 601 } 602 603 static int 604 tscopyin(const void *u, void *s, size_t len) 605 { 606 struct timespec50 ts50; 607 KASSERT(len == sizeof(ts50)); 608 int error = copyin(u, &ts50, len); 609 if (error) 610 return error; 611 timespec50_to_timespec(&ts50, s); 612 return 0; 613 } 614 615 static int 616 tscopyout(const void *s, void *u, size_t len) 617 { 618 struct timespec50 ts50; 619 KASSERT(len == sizeof(ts50)); 620 timespec_to_timespec50(s, &ts50); 621 int error = copyout(&ts50, u, len); 622 if (error) 623 return error; 624 return 0; 625 } 626 627 int 628 compat_50_sys___sigtimedwait(struct lwp *l, 629 const struct compat_50_sys___sigtimedwait_args *uap, register_t *retval) 630 { 631 632 return __sigtimedwait1(l, 633 (const struct sys_____sigtimedwait50_args *)uap, retval, copyout, 634 tscopyin, tscopyout); 635 } 636 637 void 638 rusage_to_rusage50(const struct rusage *ru, struct rusage50 *ru50) 639 { 640 (void)memcpy(&ru50->ru_first, &ru->ru_first, 641 (char *)&ru50->ru_last - (char *)&ru50->ru_first + 642 sizeof(ru50->ru_last)); 643 ru50->ru_maxrss = ru->ru_maxrss; 644 timeval_to_timeval50(&ru->ru_utime, &ru50->ru_utime); 645 timeval_to_timeval50(&ru->ru_stime, &ru50->ru_stime); 646 } 647 648 int 649 compat_50_sys_getrusage(struct lwp *l, 650 const struct compat_50_sys_getrusage_args *uap, register_t *retval) 651 { 652 /* { 653 syscallarg(int) who; 654 syscallarg(struct rusage50 *) rusage; 655 } */ 656 struct rusage ru; 657 struct rusage50 ru50; 658 struct proc *p = l->l_proc; 659 660 switch (SCARG(uap, who)) { 661 case RUSAGE_SELF: 662 mutex_enter(p->p_lock); 663 memcpy(&ru, &p->p_stats->p_ru, sizeof(ru)); 664 calcru(p, &ru.ru_utime, &ru.ru_stime, NULL, NULL); 665 mutex_exit(p->p_lock); 666 break; 667 668 case RUSAGE_CHILDREN: 669 mutex_enter(p->p_lock); 670 memcpy(&ru, &p->p_stats->p_cru, sizeof(ru)); 671 mutex_exit(p->p_lock); 672 break; 673 674 default: 675 return EINVAL; 676 } 677 rusage_to_rusage50(&ru, &ru50); 678 return copyout(&ru50, SCARG(uap, rusage), sizeof(ru50)); 679 } 680 681 682 /* Return the time remaining until a POSIX timer fires. */ 683 int 684 compat_50_sys_timer_gettime(struct lwp *l, 685 const struct compat_50_sys_timer_gettime_args *uap, register_t *retval) 686 { 687 /* { 688 syscallarg(timer_t) timerid; 689 syscallarg(struct itimerspec50 *) value; 690 } */ 691 struct itimerspec its; 692 struct itimerspec50 its50; 693 int error; 694 695 if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc, 696 &its)) != 0) 697 return error; 698 itimerspec_to_itimerspec50(&its, &its50); 699 700 return copyout(&its50, SCARG(uap, value), sizeof(its50)); 701 } 702 703 /* Set and arm a POSIX realtime timer */ 704 int 705 compat_50_sys_timer_settime(struct lwp *l, 706 const struct compat_50_sys_timer_settime_args *uap, register_t *retval) 707 { 708 /* { 709 syscallarg(timer_t) timerid; 710 syscallarg(int) flags; 711 syscallarg(const struct itimerspec50 *) value; 712 syscallarg(struct itimerspec50 *) ovalue; 713 } */ 714 int error; 715 struct itimerspec value, ovalue, *ovp = NULL; 716 struct itimerspec50 value50, ovalue50; 717 718 if ((error = copyin(SCARG(uap, value), &value50, sizeof(value50))) != 0) 719 return error; 720 721 itimerspec50_to_itimerspec(&value50, &value); 722 if (SCARG(uap, ovalue)) 723 ovp = &ovalue; 724 725 if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp, 726 SCARG(uap, flags), l->l_proc)) != 0) 727 return error; 728 729 if (ovp) { 730 itimerspec_to_itimerspec50(&ovalue, &ovalue50); 731 return copyout(&ovalue50, SCARG(uap, ovalue), sizeof(ovalue50)); 732 } 733 return 0; 734 } 735 736 /* 737 * ntp_gettime() - NTP user application interface 738 */ 739 int 740 compat_50_sys___ntp_gettime30(struct lwp *l, 741 const struct compat_50_sys___ntp_gettime30_args *uap, register_t *retval) 742 { 743 #ifdef NTP 744 /* { 745 syscallarg(struct ntptimeval *) ntvp; 746 } */ 747 struct ntptimeval ntv; 748 struct ntptimeval50 ntv50; 749 int error; 750 751 if (SCARG(uap, ntvp)) { 752 ntp_gettime(&ntv); 753 timespec_to_timespec50(&ntv.time, &ntv50.time); 754 ntv50.maxerror = ntv.maxerror; 755 ntv50.esterror = ntv.esterror; 756 ntv50.tai = ntv.tai; 757 ntv50.time_state = ntv.time_state; 758 759 error = copyout(&ntv50, SCARG(uap, ntvp), sizeof(ntv50)); 760 if (error) 761 return error; 762 } 763 *retval = ntp_timestatus(); 764 return 0; 765 #else 766 return ENOSYS; 767 #endif 768 } 769 int 770 compat50_clockctlioctl(dev_t dev, u_long cmd, void *data, int flags, 771 struct lwp *l) 772 { 773 int error = 0; 774 775 switch (cmd) { 776 case CLOCKCTL_OSETTIMEOFDAY: { 777 struct timeval50 tv50; 778 struct timeval tv; 779 struct clockctl50_settimeofday *args = data; 780 781 error = copyin(args->tv, &tv50, sizeof(tv50)); 782 if (error) 783 return (error); 784 timeval50_to_timeval(&tv50, &tv); 785 error = settimeofday1(&tv, false, args->tzp, l, false); 786 break; 787 } 788 case CLOCKCTL_OADJTIME: { 789 struct timeval atv, oldatv; 790 struct timeval50 atv50; 791 struct clockctl50_adjtime *args = data; 792 793 if (args->delta) { 794 error = copyin(args->delta, &atv50, sizeof(atv50)); 795 if (error) 796 return (error); 797 timeval50_to_timeval(&atv50, &atv); 798 } 799 adjtime1(args->delta ? &atv : NULL, 800 args->olddelta ? &oldatv : NULL, l->l_proc); 801 if (args->olddelta) { 802 timeval_to_timeval50(&oldatv, &atv50); 803 error = copyout(&atv50, args->olddelta, sizeof(atv50)); 804 } 805 break; 806 } 807 case CLOCKCTL_OCLOCK_SETTIME: { 808 struct timespec50 tp50; 809 struct timespec tp; 810 struct clockctl50_clock_settime *args = data; 811 812 error = copyin(args->tp, &tp50, sizeof(tp50)); 813 if (error) 814 return (error); 815 timespec50_to_timespec(&tp50, &tp); 816 error = clock_settime1(l->l_proc, args->clock_id, &tp, true); 817 break; 818 } 819 default: 820 error = EINVAL; 821 } 822 823 return (error); 824 } 825 int 826 compat_50_sys_wait4(struct lwp *l, const struct compat_50_sys_wait4_args *uap, register_t *retval) 827 { 828 /* { 829 syscallarg(int) pid; 830 syscallarg(int *) status; 831 syscallarg(int) options; 832 syscallarg(struct rusage50 *) rusage; 833 } */ 834 int status, error; 835 int was_zombie; 836 struct rusage ru; 837 struct rusage50 ru50; 838 int pid = SCARG(uap, pid); 839 840 error = do_sys_wait(l, &pid, &status, SCARG(uap, options), 841 SCARG(uap, rusage) != NULL ? &ru : NULL, &was_zombie); 842 843 retval[0] = pid; 844 if (pid == 0) 845 return error; 846 847 if (SCARG(uap, rusage)) { 848 rusage_to_rusage50(&ru, &ru50); 849 error = copyout(&ru50, SCARG(uap, rusage), sizeof(ru50)); 850 } 851 852 if (error == 0 && SCARG(uap, status)) 853 error = copyout(&status, SCARG(uap, status), sizeof(status)); 854 855 return error; 856 } 857
Indexes created Fri Sep 26 20:09:58 GMT 2025