1 /* $NetBSD: netbsd32_time.c,v 1.58 2022/10/26 23:23:52 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 1998, 2001 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_time.c,v 1.58 2022/10/26 23:23:52 riastradh Exp $");
31
32 #if defined(_KERNEL_OPT)
33 #include "opt_ntp.h"
34 #include "opt_compat_netbsd.h"
35 #endif
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/mount.h>
40 #include <sys/time.h>
41 #include <sys/timerfd.h>
42 #include <sys/timex.h>
43 #include <sys/timevar.h>
44 #include <sys/proc.h>
45 #include <sys/pool.h>
46 #include <sys/resourcevar.h>
47 #include <sys/dirent.h>
48 #include <sys/kauth.h>
49 #include <sys/compat_stub.h>
50
51 #include <compat/netbsd32/netbsd32.h>
52 #include <compat/netbsd32/netbsd32_syscallargs.h>
53 #include <compat/netbsd32/netbsd32_conv.h>
54
55 #ifdef NTP
56
57 int
netbsd32___ntp_gettime50(struct lwp * l,const struct netbsd32___ntp_gettime50_args * uap,register_t * retval)58 netbsd32___ntp_gettime50(struct lwp *l,
59 const struct netbsd32___ntp_gettime50_args *uap, register_t *retval)
60 {
61 /* {
62 syscallarg(netbsd32_ntptimevalp_t) ntvp;
63 } */
64 struct netbsd32_ntptimeval ntv32;
65 struct ntptimeval ntv;
66 int error = 0;
67
68 if (vec_ntp_gettime == NULL)
69 return EINVAL;
70
71 if (SCARG_P32(uap, ntvp)) {
72 (*vec_ntp_gettime)(&ntv);
73
74 memset(&ntv32, 0, sizeof(ntv32));
75 ntv32.time.tv_sec = ntv.time.tv_sec;
76 ntv32.time.tv_nsec = ntv.time.tv_nsec;
77 ntv32.maxerror = (netbsd32_long)ntv.maxerror;
78 ntv32.esterror = (netbsd32_long)ntv.esterror;
79 ntv32.tai = (netbsd32_long)ntv.tai;
80 ntv32.time_state = ntv.time_state;
81 error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32));
82 }
83 if (!error) {
84 *retval = (*vec_ntp_timestatus)();
85 }
86
87 return error;
88 }
89
90 int
netbsd32_ntp_adjtime(struct lwp * l,const struct netbsd32_ntp_adjtime_args * uap,register_t * retval)91 netbsd32_ntp_adjtime(struct lwp *l, const struct netbsd32_ntp_adjtime_args *uap, register_t *retval)
92 {
93 /* {
94 syscallarg(netbsd32_timexp_t) tp;
95 } */
96 struct netbsd32_timex ntv32;
97 struct timex ntv;
98 int error = 0;
99 int modes;
100
101 if (vec_ntp_adjtime1 == NULL)
102 return EINVAL;
103
104 if ((error = copyin(SCARG_P32(uap, tp), &ntv32, sizeof(ntv32))))
105 return error;
106
107 netbsd32_to_timex(&ntv32, &ntv);
108
109 /*
110 * Update selected clock variables - only the superuser can
111 * change anything. Note that there is no error checking here on
112 * the assumption the superuser should know what it is doing.
113 */
114 modes = ntv.modes;
115 if (modes != 0 && (error = kauth_authorize_system(l->l_cred,
116 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_NTPADJTIME, NULL, NULL,
117 NULL)))
118 return error;
119
120 (*vec_ntp_adjtime1)(&ntv);
121
122 netbsd32_from_timex(&ntv, &ntv32);
123 error = copyout(&ntv32, SCARG_P32(uap, tp), sizeof(ntv32));
124 if (!error) {
125 *retval = (*vec_ntp_timestatus)();
126 }
127 return error;
128 }
129 #endif /* NTP */
130
131 int
netbsd32___setitimer50(struct lwp * l,const struct netbsd32___setitimer50_args * uap,register_t * retval)132 netbsd32___setitimer50(struct lwp *l, const struct netbsd32___setitimer50_args *uap, register_t *retval)
133 {
134 /* {
135 syscallarg(int) which;
136 syscallarg(const netbsd32_itimervalp_t) itv;
137 syscallarg(netbsd32_itimervalp_t) oitv;
138 } */
139 struct proc *p = l->l_proc;
140 struct netbsd32_itimerval s32it, *itv32;
141 int which = SCARG(uap, which);
142 struct netbsd32___getitimer50_args getargs;
143 struct itimerval aitv;
144 int error;
145
146 itv32 = SCARG_P32(uap, itv);
147 if (itv32) {
148 if ((error = copyin(itv32, &s32it, sizeof(s32it))))
149 return error;
150 netbsd32_to_itimerval(&s32it, &aitv);
151 }
152 if (SCARG_P32(uap, oitv) != 0) {
153 SCARG(&getargs, which) = which;
154 SCARG(&getargs, itv) = SCARG(uap, oitv);
155 if ((error = netbsd32___getitimer50(l, &getargs, retval)) != 0)
156 return error;
157 }
158 if (itv32 == 0)
159 return 0;
160
161 return dosetitimer(p, which, &aitv);
162 }
163
164 int
netbsd32___getitimer50(struct lwp * l,const struct netbsd32___getitimer50_args * uap,register_t * retval)165 netbsd32___getitimer50(struct lwp *l, const struct netbsd32___getitimer50_args *uap, register_t *retval)
166 {
167 /* {
168 syscallarg(int) which;
169 syscallarg(netbsd32_itimervalp_t) itv;
170 } */
171 struct proc *p = l->l_proc;
172 struct netbsd32_itimerval s32it;
173 struct itimerval aitv;
174 int error;
175
176 error = dogetitimer(p, SCARG(uap, which), &aitv);
177 if (error)
178 return error;
179
180 netbsd32_from_itimerval(&aitv, &s32it);
181 return copyout(&s32it, SCARG_P32(uap, itv), sizeof(s32it));
182 }
183
184 int
netbsd32___gettimeofday50(struct lwp * l,const struct netbsd32___gettimeofday50_args * uap,register_t * retval)185 netbsd32___gettimeofday50(struct lwp *l, const struct netbsd32___gettimeofday50_args *uap, register_t *retval)
186 {
187 /* {
188 syscallarg(netbsd32_timevalp_t) tp;
189 syscallarg(netbsd32_timezonep_t) tzp;
190 } */
191 struct timeval atv;
192 struct netbsd32_timeval tv32;
193 int error = 0;
194 struct netbsd32_timezone tzfake;
195
196 if (SCARG_P32(uap, tp)) {
197 microtime(&atv);
198 netbsd32_from_timeval(&atv, &tv32);
199 error = copyout(&tv32, SCARG_P32(uap, tp), sizeof(tv32));
200 if (error)
201 return error;
202 }
203 if (SCARG_P32(uap, tzp)) {
204 /*
205 * NetBSD has no kernel notion of time zone, so we just
206 * fake up a timezone struct and return it if demanded.
207 */
208 memset(&tzfake, 0, sizeof(tzfake));
209 tzfake.tz_minuteswest = 0;
210 tzfake.tz_dsttime = 0;
211 error = copyout(&tzfake, SCARG_P32(uap, tzp), sizeof(tzfake));
212 }
213 return error;
214 }
215
216 int
netbsd32___settimeofday50(struct lwp * l,const struct netbsd32___settimeofday50_args * uap,register_t * retval)217 netbsd32___settimeofday50(struct lwp *l, const struct netbsd32___settimeofday50_args *uap, register_t *retval)
218 {
219 /* {
220 syscallarg(const netbsd32_timevalp_t) tv;
221 syscallarg(const netbsd32_timezonep_t) tzp;
222 } */
223 struct netbsd32_timeval atv32;
224 struct timeval atv;
225 struct timespec ats;
226 int error;
227 struct proc *p = l->l_proc;
228
229 /* Verify all parameters before changing time. */
230
231 /*
232 * NetBSD has no kernel notion of time zone, and only an
233 * obsolete program would try to set it, so we log a warning.
234 */
235 if (SCARG_P32(uap, tzp))
236 printf("pid %d attempted to set the "
237 "(obsolete) kernel time zone\n", p->p_pid);
238
239 if (SCARG_P32(uap, tv) == 0)
240 return 0;
241
242 if ((error = copyin(SCARG_P32(uap, tv), &atv32, sizeof(atv32))) != 0)
243 return error;
244
245 netbsd32_to_timeval(&atv32, &atv);
246
247 if (atv.tv_usec < 0 || atv.tv_usec >= 1000000)
248 return EINVAL;
249
250 TIMEVAL_TO_TIMESPEC(&atv, &ats);
251 return settime(p, &ats);
252 }
253
254 int
netbsd32___adjtime50(struct lwp * l,const struct netbsd32___adjtime50_args * uap,register_t * retval)255 netbsd32___adjtime50(struct lwp *l, const struct netbsd32___adjtime50_args *uap, register_t *retval)
256 {
257 /* {
258 syscallarg(const netbsd32_timevalp_t) delta;
259 syscallarg(netbsd32_timevalp_t) olddelta;
260 } */
261 struct netbsd32_timeval atv;
262 int error;
263
264 if ((error = kauth_authorize_system(l->l_cred,
265 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL,
266 NULL)) != 0)
267 return error;
268
269 if (SCARG_P32(uap, olddelta)) {
270 memset(&atv, 0, sizeof(atv));
271 atv.tv_sec = time_adjtime / 1000000;
272 atv.tv_usec = time_adjtime % 1000000;
273 if (atv.tv_usec < 0) {
274 atv.tv_usec += 1000000;
275 atv.tv_sec--;
276 }
277 error = copyout(&atv, SCARG_P32(uap, olddelta), sizeof(atv));
278 if (error)
279 return error;
280 }
281
282 if (SCARG_P32(uap, delta)) {
283 error = copyin(SCARG_P32(uap, delta), &atv, sizeof(atv));
284 if (error)
285 return error;
286
287 time_adjtime = (int64_t)atv.tv_sec * 1000000 + atv.tv_usec;
288
289 if (time_adjtime)
290 /* We need to save the system time during shutdown */
291 time_adjusted |= 1;
292 }
293
294 return 0;
295 }
296
297 int
netbsd32___clock_gettime50(struct lwp * l,const struct netbsd32___clock_gettime50_args * uap,register_t * retval)298 netbsd32___clock_gettime50(struct lwp *l, const struct netbsd32___clock_gettime50_args *uap, register_t *retval)
299 {
300 /* {
301 syscallarg(netbsd32_clockid_t) clock_id;
302 syscallarg(netbsd32_timespecp_t) tp;
303 } */
304 int error;
305 struct timespec ats;
306 struct netbsd32_timespec ts32;
307
308 error = clock_gettime1(SCARG(uap, clock_id), &ats);
309 if (error != 0)
310 return error;
311
312 netbsd32_from_timespec(&ats, &ts32);
313 return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32));
314 }
315
316 int
netbsd32___clock_settime50(struct lwp * l,const struct netbsd32___clock_settime50_args * uap,register_t * retval)317 netbsd32___clock_settime50(struct lwp *l, const struct netbsd32___clock_settime50_args *uap, register_t *retval)
318 {
319 /* {
320 syscallarg(netbsd32_clockid_t) clock_id;
321 syscallarg(const netbsd32_timespecp_t) tp;
322 } */
323 struct netbsd32_timespec ts32;
324 struct timespec ats;
325 int error;
326
327 if ((error = copyin(SCARG_P32(uap, tp), &ts32, sizeof(ts32))) != 0)
328 return error;
329
330 netbsd32_to_timespec(&ts32, &ats);
331 return clock_settime1(l->l_proc, SCARG(uap, clock_id), &ats, true);
332 }
333
334 int
netbsd32___clock_getres50(struct lwp * l,const struct netbsd32___clock_getres50_args * uap,register_t * retval)335 netbsd32___clock_getres50(struct lwp *l, const struct netbsd32___clock_getres50_args *uap, register_t *retval)
336 {
337 /* {
338 syscallarg(netbsd32_clockid_t) clock_id;
339 syscallarg(netbsd32_timespecp_t) tp;
340 } */
341 struct netbsd32_timespec ts32;
342 struct timespec ts;
343 int error = 0;
344
345 error = clock_getres1(SCARG(uap, clock_id), &ts);
346 if (error != 0)
347 return error;
348
349 if (SCARG_P32(uap, tp)) {
350 netbsd32_from_timespec(&ts, &ts32);
351 error = copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32));
352 }
353
354 return error;
355 }
356
357 int
netbsd32___nanosleep50(struct lwp * l,const struct netbsd32___nanosleep50_args * uap,register_t * retval)358 netbsd32___nanosleep50(struct lwp *l, const struct netbsd32___nanosleep50_args *uap, register_t *retval)
359 {
360 /* {
361 syscallarg(const netbsd32_timespecp_t) rqtp;
362 syscallarg(netbsd32_timespecp_t) rmtp;
363 } */
364 struct netbsd32_timespec ts32;
365 struct timespec rqt, rmt;
366 int error, error1;
367
368 error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32));
369 if (error)
370 return error;
371 netbsd32_to_timespec(&ts32, &rqt);
372
373 error = nanosleep1(l, CLOCK_MONOTONIC, 0, &rqt,
374 SCARG_P32(uap, rmtp) ? &rmt : NULL);
375 if (SCARG_P32(uap, rmtp) == NULL || (error != 0 && error != EINTR))
376 return error;
377
378 netbsd32_from_timespec(&rmt, &ts32);
379 error1 = copyout(&ts32, SCARG_P32(uap, rmtp), sizeof(ts32));
380 return error1 ? error1 : error;
381 }
382
383 int
netbsd32_clock_nanosleep(struct lwp * l,const struct netbsd32_clock_nanosleep_args * uap,register_t * retval)384 netbsd32_clock_nanosleep(struct lwp *l, const struct netbsd32_clock_nanosleep_args *uap, register_t *retval)
385 {
386 /* {
387 syscallarg(clockid_t) clock_id;
388 syscallarg(int) flags;
389 syscallarg(const netbsd32_timespecp_t) rqtp;
390 syscallarg(netbsd32_timespecp_t) rmtp;
391 } */
392 struct netbsd32_timespec ts32;
393 struct timespec rqt, rmt;
394 int error, error1;
395
396 error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32));
397 if (error)
398 goto out;
399 netbsd32_to_timespec(&ts32, &rqt);
400
401 error = nanosleep1(l, SCARG(uap, clock_id), SCARG(uap, flags),
402 &rqt, SCARG_P32(uap, rmtp) ? &rmt : NULL);
403 if (SCARG_P32(uap, rmtp) == NULL || (error != 0 && error != EINTR))
404 goto out;
405
406 netbsd32_from_timespec(&rmt, &ts32);
407 if ((SCARG(uap, flags) & TIMER_ABSTIME) == 0 &&
408 (error1 = copyout(&ts32, SCARG_P32(uap, rmtp), sizeof(ts32))) != 0)
409 error = error1;
410 out:
411 *retval = error;
412 return 0;
413 }
414
415 static int
netbsd32_timer_create_fetch(const void * src,void * dst,size_t size)416 netbsd32_timer_create_fetch(const void *src, void *dst, size_t size)
417 {
418 struct sigevent *evp = dst;
419 struct netbsd32_sigevent ev32;
420 int error;
421
422 error = copyin(src, &ev32, sizeof(ev32));
423 if (error)
424 return error;
425
426 netbsd32_to_sigevent(&ev32, evp);
427 return 0;
428 }
429
430 int
netbsd32_timer_create(struct lwp * l,const struct netbsd32_timer_create_args * uap,register_t * retval)431 netbsd32_timer_create(struct lwp *l, const struct netbsd32_timer_create_args *uap, register_t *retval)
432 {
433 /* {
434 syscallarg(netbsd32_clockid_t) clock_id;
435 syscallarg(netbsd32_sigeventp_t) evp;
436 syscallarg(netbsd32_timerp_t) timerid;
437 } */
438
439 return timer_create1(SCARG_P32(uap, timerid),
440 SCARG(uap, clock_id), SCARG_P32(uap, evp),
441 netbsd32_timer_create_fetch, l);
442 }
443
444 int
netbsd32_timer_delete(struct lwp * l,const struct netbsd32_timer_delete_args * uap,register_t * retval)445 netbsd32_timer_delete(struct lwp *l, const struct netbsd32_timer_delete_args *uap, register_t *retval)
446 {
447 /* {
448 syscallarg(netbsd32_timer_t) timerid;
449 } */
450 struct sys_timer_delete_args ua;
451
452 NETBSD32TO64_UAP(timerid);
453 return sys_timer_delete(l, (void *)&ua, retval);
454 }
455
456 int
netbsd32___timer_settime50(struct lwp * l,const struct netbsd32___timer_settime50_args * uap,register_t * retval)457 netbsd32___timer_settime50(struct lwp *l, const struct netbsd32___timer_settime50_args *uap, register_t *retval)
458 {
459 /* {
460 syscallarg(netbsd32_timer_t) timerid;
461 syscallarg(int) flags;
462 syscallarg(const netbsd32_itimerspecp_t) value;
463 syscallarg(netbsd32_itimerspecp_t) ovalue;
464 } */
465 int error;
466 struct itimerspec value, ovalue, *ovp = NULL;
467 struct netbsd32_itimerspec its32;
468
469 if ((error = copyin(SCARG_P32(uap, value), &its32, sizeof(its32))) != 0)
470 return error;
471 netbsd32_to_timespec(&its32.it_interval, &value.it_interval);
472 netbsd32_to_timespec(&its32.it_value, &value.it_value);
473
474 if (SCARG_P32(uap, ovalue))
475 ovp = &ovalue;
476
477 if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp,
478 SCARG(uap, flags), l->l_proc)) != 0)
479 return error;
480
481 if (ovp) {
482 memset(&its32, 0, sizeof(its32));
483 netbsd32_from_timespec(&ovp->it_interval, &its32.it_interval);
484 netbsd32_from_timespec(&ovp->it_value, &its32.it_value);
485 return copyout(&its32, SCARG_P32(uap, ovalue), sizeof(its32));
486 }
487 return 0;
488 }
489
490 int
netbsd32___timer_gettime50(struct lwp * l,const struct netbsd32___timer_gettime50_args * uap,register_t * retval)491 netbsd32___timer_gettime50(struct lwp *l, const struct netbsd32___timer_gettime50_args *uap, register_t *retval)
492 {
493 /* {
494 syscallarg(netbsd32_timer_t) timerid;
495 syscallarg(netbsd32_itimerspecp_t) value;
496 } */
497 int error;
498 struct itimerspec its;
499 struct netbsd32_itimerspec its32;
500
501 if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc,
502 &its)) != 0)
503 return error;
504
505 memset(&its32, 0, sizeof(its32));
506 netbsd32_from_timespec(&its.it_interval, &its32.it_interval);
507 netbsd32_from_timespec(&its.it_value, &its32.it_value);
508
509 return copyout(&its32, SCARG_P32(uap, value), sizeof(its32));
510 }
511
512 int
netbsd32_timer_getoverrun(struct lwp * l,const struct netbsd32_timer_getoverrun_args * uap,register_t * retval)513 netbsd32_timer_getoverrun(struct lwp *l, const struct netbsd32_timer_getoverrun_args *uap, register_t *retval)
514 {
515 /* {
516 syscallarg(netbsd32_timer_t) timerid;
517 } */
518 struct sys_timer_getoverrun_args ua;
519
520 NETBSD32TO64_UAP(timerid);
521 return sys_timer_getoverrun(l, (void *)&ua, retval);
522 }
523
524 int
netbsd32_timerfd_create(struct lwp * l,const struct netbsd32_timerfd_create_args * uap,register_t * retval)525 netbsd32_timerfd_create(struct lwp *l,
526 const struct netbsd32_timerfd_create_args *uap, register_t *retval)
527 {
528 /* {
529 syscallarg(netbsd32_clockid_t) clock_id;
530 syscallarg(int) flags;
531 } */
532 struct sys_timerfd_create_args ua;
533
534 NETBSD32TO64_UAP(clock_id);
535 NETBSD32TO64_UAP(flags);
536 return sys_timerfd_create(l, (void *)&ua, retval);
537 }
538
539 int
netbsd32_timerfd_settime(struct lwp * l,const struct netbsd32_timerfd_settime_args * uap,register_t * retval)540 netbsd32_timerfd_settime(struct lwp *l,
541 const struct netbsd32_timerfd_settime_args *uap, register_t *retval)
542 {
543 /* {
544 syscallarg(int) fd;
545 syscallarg(int) flags;
546 syscallarg(const netbsd32_itimerspecp_t) new_value;
547 syscallarg(netbsd32_itimerspecp_t) old_value;
548 } */
549 struct itimerspec its, oits, *oitsp = NULL;
550 struct netbsd32_itimerspec its32;
551 int error;
552
553 if ((error = copyin(SCARG_P32(uap, new_value), &its32,
554 sizeof(its32))) != 0) {
555 return error;
556 }
557 netbsd32_to_timespec(&its32.it_interval, &its.it_interval);
558 netbsd32_to_timespec(&its32.it_value, &its.it_value);
559
560 if (SCARG_P32(uap, old_value)) {
561 oitsp = &oits;
562 }
563
564 error = do_timerfd_settime(l, SCARG(uap, fd), SCARG(uap, flags),
565 &its, oitsp, retval);
566 if (error == 0 && oitsp != NULL) {
567 memset(&its32, 0, sizeof(its32));
568 netbsd32_from_timespec(&oitsp->it_interval, &its32.it_interval);
569 netbsd32_from_timespec(&oitsp->it_value, &its32.it_value);
570 error = copyout(&its32, SCARG_P32(uap, old_value),
571 sizeof(its32));
572 }
573
574 return error;
575 }
576
577 int
netbsd32_timerfd_gettime(struct lwp * l,const struct netbsd32_timerfd_gettime_args * uap,register_t * retval)578 netbsd32_timerfd_gettime(struct lwp *l,
579 const struct netbsd32_timerfd_gettime_args *uap, register_t *retval)
580 {
581 /* {
582 syscallarg(int) fd;
583 syscallarg(int) flags;
584 syscallarg(netbsd32_itimerspecp_t) curr_value;
585 } */
586 int error;
587 struct itimerspec its;
588 struct netbsd32_itimerspec its32;
589
590 error = do_timerfd_gettime(l, SCARG(uap, fd), &its, retval);
591 if (error == 0) {
592 memset(&its32, 0, sizeof(its32));
593 netbsd32_from_timespec(&its.it_interval, &its32.it_interval);
594 netbsd32_from_timespec(&its.it_value, &its32.it_value);
595 error = copyout(&its32, SCARG_P32(uap, curr_value),
596 sizeof(its32));
597 }
598
599 return error;
600 }
601
602 int
netbsd32_clock_getcpuclockid2(struct lwp * l,const struct netbsd32_clock_getcpuclockid2_args * uap,register_t * retval)603 netbsd32_clock_getcpuclockid2(struct lwp *l,
604 const struct netbsd32_clock_getcpuclockid2_args *uap,
605 register_t *retval)
606 {
607 /* {
608 syscallarg(idtype_t) idtype;
609 syscallarg(id_t) id;
610 syscallarg(netbsd32_clockidp_t) clock_id;
611 } */
612 pid_t pid;
613 lwpid_t lid;
614 clockid_t clock_id;
615 id_t id = SCARG(uap, id);
616
617 switch (SCARG(uap, idtype)) {
618 case P_PID:
619 pid = id == 0 ? l->l_proc->p_pid : (pid_t)id;
620 clock_id = CLOCK_PROCESS_CPUTIME_ID | pid;
621 break;
622 case P_LWPID:
623 lid = id == 0 ? l->l_lid : (lwpid_t)id;
624 clock_id = CLOCK_THREAD_CPUTIME_ID | lid;
625 break;
626 default:
627 return EINVAL;
628 }
629 return copyout(&clock_id, SCARG_P32(uap, clock_id), sizeof(clock_id));
630 }
631