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netbsd32_compat_50.c revision 1.4.2.4
      1 /*	$NetBSD: netbsd32_compat_50.c,v 1.4.2.4 2010/03/11 15:03:17 yamt 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: netbsd32_compat_50.c,v 1.4.2.4 2010/03/11 15:03:17 yamt Exp $");
     40 
     41 #if defined(_KERNEL_OPT)
     42 #include "opt_sysv.h"
     43 #endif
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/malloc.h>
     48 #include <sys/mount.h>
     49 #include <sys/socket.h>
     50 #include <sys/socketvar.h>
     51 #include <sys/stat.h>
     52 #include <sys/time.h>
     53 #include <sys/ktrace.h>
     54 #include <sys/eventvar.h>
     55 #include <sys/resourcevar.h>
     56 #include <sys/vnode.h>
     57 #include <sys/file.h>
     58 #include <sys/filedesc.h>
     59 #include <sys/poll.h>
     60 #include <sys/namei.h>
     61 #include <sys/statvfs.h>
     62 #include <sys/syscallargs.h>
     63 #include <sys/proc.h>
     64 #include <sys/dirent.h>
     65 #include <sys/kauth.h>
     66 #include <sys/vfs_syscalls.h>
     67 #include <sys/ipc.h>
     68 #include <sys/msg.h>
     69 #include <sys/sem.h>
     70 #include <sys/shm.h>
     71 
     72 #include <compat/netbsd32/netbsd32.h>
     73 #include <compat/netbsd32/netbsd32_syscallargs.h>
     74 #include <compat/netbsd32/netbsd32_conv.h>
     75 #include <compat/sys/mount.h>
     76 #include <compat/sys/time.h>
     77 
     78 
     79 /*
     80  * Common routine to set access and modification times given a vnode.
     81  */
     82 static int
     83 get_utimes32(const netbsd32_timeval50p_t *tptr, struct timeval *tv,
     84     struct timeval **tvp)
     85 {
     86 	int error;
     87 	struct netbsd32_timeval50 tv32[2];
     88 
     89 	if (tptr == NULL) {
     90 		*tvp = NULL;
     91 		return 0;
     92 	}
     93 
     94 	error = copyin(tptr, tv32, sizeof(tv32));
     95 	if (error)
     96 		return error;
     97 	netbsd32_to_timeval50(&tv32[0], &tv[0]);
     98 	netbsd32_to_timeval50(&tv32[1], &tv[1]);
     99 
    100 	*tvp = tv;
    101 	return 0;
    102 }
    103 
    104 int
    105 compat_50_netbsd32_mknod(struct lwp *l,
    106     const struct compat_50_netbsd32_mknod_args *uap, register_t *retval)
    107 {
    108 	/* {
    109 		syscallarg(netbsd32_charp) path;
    110 		syscallarg(mode_t) mode;
    111 		syscallarg(uint32_t) dev;
    112 	} */
    113 	return do_sys_mknod(l, SCARG_P32(uap, path), SCARG(uap, mode),
    114 	    SCARG(uap, dev), retval, UIO_USERSPACE);
    115 }
    116 
    117 int
    118 compat_50_netbsd32_select(struct lwp *l,
    119     const struct compat_50_netbsd32_select_args *uap, register_t *retval)
    120 {
    121 	/* {
    122 		syscallarg(int) nd;
    123 		syscallarg(netbsd32_fd_setp_t) in;
    124 		syscallarg(netbsd32_fd_setp_t) ou;
    125 		syscallarg(netbsd32_fd_setp_t) ex;
    126 		syscallarg(netbsd32_timeval50p_t) tv;
    127 	} */
    128 	int error;
    129 	struct netbsd32_timeval50 tv32;
    130 	struct timespec ats, *ts = NULL;
    131 
    132 	if (SCARG_P32(uap, tv)) {
    133 		error = copyin(SCARG_P32(uap, tv), &tv32, sizeof(tv32));
    134 		if (error != 0)
    135 			return error;
    136 		ats.tv_sec = tv32.tv_sec;
    137 		ats.tv_nsec = tv32.tv_usec * 1000;
    138 		ts = &ats;
    139 	}
    140 
    141 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
    142 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, NULL);
    143 	return 0;
    144 }
    145 
    146 int
    147 compat_50_netbsd32_gettimeofday(struct lwp *l,
    148     const struct compat_50_netbsd32_gettimeofday_args *uap, register_t *retval)
    149 {
    150 	/* {
    151 		syscallarg(netbsd32_timeval50p_t) tp;
    152 		syscallarg(netbsd32_timezonep_t) tzp;
    153 	} */
    154 	struct timeval atv;
    155 	struct netbsd32_timeval50 tv32;
    156 	int error = 0;
    157 	struct netbsd32_timezone tzfake;
    158 
    159 	if (SCARG_P32(uap, tp)) {
    160 		microtime(&atv);
    161 		netbsd32_from_timeval50(&atv, &tv32);
    162 		error = copyout(&tv32, SCARG_P32(uap, tp), sizeof(tv32));
    163 		if (error)
    164 			return error;
    165 	}
    166 	if (SCARG_P32(uap, tzp)) {
    167 		/*
    168 		 * NetBSD has no kernel notion of time zone, so we just
    169 		 * fake up a timezone struct and return it if demanded.
    170 		 */
    171 		tzfake.tz_minuteswest = 0;
    172 		tzfake.tz_dsttime = 0;
    173 		error = copyout(&tzfake, SCARG_P32(uap, tzp), sizeof(tzfake));
    174 	}
    175 	return error;
    176 }
    177 
    178 int
    179 compat_50_netbsd32_settimeofday(struct lwp *l,
    180     const struct compat_50_netbsd32_settimeofday_args *uap, register_t *retval)
    181 {
    182 	/* {
    183 		syscallarg(const netbsd32_timeval50p_t) tv;
    184 		syscallarg(const netbsd32_timezonep_t) tzp;
    185 	} */
    186 	struct netbsd32_timeval50 atv32;
    187 	struct timeval atv;
    188 	struct timespec ats;
    189 	int error;
    190 	struct proc *p = l->l_proc;
    191 
    192 	/* Verify all parameters before changing time. */
    193 
    194 	/*
    195 	 * NetBSD has no kernel notion of time zone, and only an
    196 	 * obsolete program would try to set it, so we log a warning.
    197 	 */
    198 	if (SCARG_P32(uap, tzp))
    199 		printf("pid %d attempted to set the "
    200 		    "(obsolete) kernel time zone\n", p->p_pid);
    201 
    202 	if (SCARG_P32(uap, tv) == 0)
    203 		return 0;
    204 
    205 	if ((error = copyin(SCARG_P32(uap, tv), &atv32, sizeof(atv32))) != 0)
    206 		return error;
    207 
    208 	netbsd32_to_timeval50(&atv32, &atv);
    209 	TIMEVAL_TO_TIMESPEC(&atv, &ats);
    210 	return settime(p, &ats);
    211 }
    212 
    213 int
    214 compat_50_netbsd32_utimes(struct lwp *l,
    215     const struct compat_50_netbsd32_utimes_args *uap, register_t *retval)
    216 {
    217 	/* {
    218 		syscallarg(const netbsd32_charp) path;
    219 		syscallarg(const netbsd32_timeval50p_t) tptr;
    220 	} */
    221 	int error;
    222 	struct timeval tv[2], *tvp;
    223 
    224 	error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp);
    225 	if (error != 0)
    226 		return error;
    227 
    228 	return do_sys_utimes(l, NULL, SCARG_P32(uap, path), FOLLOW,
    229 	    tvp, UIO_SYSSPACE);
    230 }
    231 
    232 int
    233 compat_50_netbsd32_adjtime(struct lwp *l,
    234     const struct compat_50_netbsd32_adjtime_args *uap, register_t *retval)
    235 {
    236 	/* {
    237 		syscallarg(const netbsd32_timeval50p_t) delta;
    238 		syscallarg(netbsd32_timeval50p_t) olddelta;
    239 	} */
    240 	struct netbsd32_timeval50 atv;
    241 	int error;
    242 
    243 	extern int time_adjusted;     /* in kern_ntptime.c */
    244 	extern int64_t time_adjtime;  /* in kern_ntptime.c */
    245 
    246 	if ((error = kauth_authorize_system(l->l_cred,
    247 	    KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL,
    248 	    NULL)) != 0)
    249 		return (error);
    250 
    251 	if (SCARG_P32(uap, olddelta)) {
    252 		atv.tv_sec = time_adjtime / 1000000;
    253 		atv.tv_usec = time_adjtime % 1000000;
    254 		if (atv.tv_usec < 0) {
    255 			atv.tv_usec += 1000000;
    256 			atv.tv_sec--;
    257 		}
    258 		(void) copyout(&atv,
    259 			       SCARG_P32(uap, olddelta),
    260 			       sizeof(atv));
    261 		if (error)
    262 			return (error);
    263 	}
    264 
    265 	if (SCARG_P32(uap, delta)) {
    266 		error = copyin(SCARG_P32(uap, delta), &atv,
    267 			       sizeof(struct timeval));
    268 		if (error)
    269 			return (error);
    270 
    271 		time_adjtime = (int64_t)atv.tv_sec * 1000000 + atv.tv_usec;
    272 
    273 		if (time_adjtime)
    274 			/* We need to save the system time during shutdown */
    275 			time_adjusted |= 1;
    276 	}
    277 
    278 	return 0;
    279 }
    280 
    281 int
    282 compat_50_netbsd32_futimes(struct lwp *l,
    283     const struct compat_50_netbsd32_futimes_args *uap, register_t *retval)
    284 {
    285 	/* {
    286 		syscallarg(int) fd;
    287 		syscallarg(const netbsd32_timeval50p_t) tptr;
    288 	} */
    289 	int error;
    290 	file_t *fp;
    291 	struct timeval tv[2], *tvp;
    292 
    293 	error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp);
    294 	if (error != 0)
    295 		return error;
    296 
    297 	/* fd_getvnode() will use the descriptor for us */
    298 	if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0)
    299 		return error;
    300 
    301 	error = do_sys_utimes(l, fp->f_data, NULL, 0, tvp, UIO_SYSSPACE);
    302 
    303 	fd_putfile(SCARG(uap, fd));
    304 	return error;
    305 }
    306 
    307 int
    308 compat_50_netbsd32_clock_gettime(struct lwp *l,
    309     const struct compat_50_netbsd32_clock_gettime_args *uap, register_t *retval)
    310 {
    311 	/* {
    312 		syscallarg(netbsd32_clockid_t) clock_id;
    313 		syscallarg(netbsd32_timespec50p_t) tp;
    314 	} */
    315 	clockid_t clock_id;
    316 	struct timespec ats;
    317 	struct netbsd32_timespec50 ts32;
    318 
    319 	clock_id = SCARG(uap, clock_id);
    320 	if (clock_id != CLOCK_REALTIME)
    321 		return (EINVAL);
    322 
    323 	nanotime(&ats);
    324 	netbsd32_from_timespec50(&ats, &ts32);
    325 
    326 	return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32));
    327 }
    328 
    329 int
    330 compat_50_netbsd32_clock_settime(struct lwp *l,
    331     const struct compat_50_netbsd32_clock_settime_args *uap, register_t *retval)
    332 {
    333 	/* {
    334 		syscallarg(netbsd32_clockid_t) clock_id;
    335 		syscallarg(const netbsd32_timespec50p_t) tp;
    336 	} */
    337 	struct netbsd32_timespec50 ts32;
    338 	clockid_t clock_id;
    339 	struct timespec ats;
    340 	int error;
    341 
    342 	clock_id = SCARG(uap, clock_id);
    343 	if (clock_id != CLOCK_REALTIME)
    344 		return (EINVAL);
    345 
    346 	if ((error = copyin(SCARG_P32(uap, tp), &ts32, sizeof(ts32))) != 0)
    347 		return (error);
    348 
    349 	netbsd32_to_timespec50(&ts32, &ats);
    350 	return settime(l->l_proc, &ats);
    351 }
    352 
    353 int
    354 compat_50_netbsd32_clock_getres(struct lwp *l,
    355     const struct compat_50_netbsd32_clock_getres_args *uap, register_t *retval)
    356 {
    357 	/* {
    358 		syscallarg(netbsd32_clockid_t) clock_id;
    359 		syscallarg(netbsd32_timespec50p_t) tp;
    360 	} */
    361 	struct netbsd32_timespec50 ts32;
    362 	clockid_t clock_id;
    363 	struct timespec ts;
    364 	int error = 0;
    365 
    366 	clock_id = SCARG(uap, clock_id);
    367 	if (clock_id != CLOCK_REALTIME)
    368 		return (EINVAL);
    369 
    370 	if (SCARG_P32(uap, tp)) {
    371 		ts.tv_sec = 0;
    372 		ts.tv_nsec = 1000000000 / hz;
    373 
    374 		netbsd32_from_timespec50(&ts, &ts32);
    375 		error = copyout(&ts, SCARG_P32(uap, tp), sizeof(ts));
    376 	}
    377 
    378 	return error;
    379 }
    380 
    381 int
    382 compat_50_netbsd32_timer_settime(struct lwp *l,
    383     const struct compat_50_netbsd32_timer_settime_args *uap, register_t *retval)
    384 {
    385 	/* {
    386 		syscallarg(netbsd32_timer_t) timerid;
    387 		syscallarg(int) flags;
    388 		syscallarg(const netbsd32_itimerspec50p_t) value;
    389 		syscallarg(netbsd32_itimerspec50p_t) ovalue;
    390 	} */
    391 	int error;
    392 	struct itimerspec value, ovalue, *ovp = NULL;
    393 	struct netbsd32_itimerspec50 its32;
    394 
    395 	if ((error = copyin(SCARG_P32(uap, value), &its32, sizeof(its32))) != 0)
    396 		return (error);
    397 	netbsd32_to_timespec50(&its32.it_interval, &value.it_interval);
    398 	netbsd32_to_timespec50(&its32.it_value, &value.it_value);
    399 
    400 	if (SCARG_P32(uap, ovalue))
    401 		ovp = &ovalue;
    402 
    403 	if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp,
    404 	    SCARG(uap, flags), l->l_proc)) != 0)
    405 		return error;
    406 
    407 	if (ovp) {
    408 		netbsd32_from_timespec50(&ovp->it_interval, &its32.it_interval);
    409 		netbsd32_from_timespec50(&ovp->it_value, &its32.it_value);
    410 		return copyout(&its32, SCARG_P32(uap, ovalue), sizeof(its32));
    411 	}
    412 	return 0;
    413 }
    414 
    415 int
    416 compat_50_netbsd32_timer_gettime(struct lwp *l, const struct compat_50_netbsd32_timer_gettime_args *uap, register_t *retval)
    417 {
    418 	/* {
    419 		syscallarg(netbsd32_timer_t) timerid;
    420 		syscallarg(netbsd32_itimerspec50p_t) value;
    421 	} */
    422 	int error;
    423 	struct itimerspec its;
    424 	struct netbsd32_itimerspec50 its32;
    425 
    426 	if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc,
    427 	    &its)) != 0)
    428 		return error;
    429 
    430 	netbsd32_from_timespec50(&its.it_interval, &its32.it_interval);
    431 	netbsd32_from_timespec50(&its.it_value, &its32.it_value);
    432 
    433 	return copyout(&its32, SCARG_P32(uap, value), sizeof(its32));
    434 }
    435 
    436 int
    437 compat_50_netbsd32_nanosleep(struct lwp *l,
    438     const struct compat_50_netbsd32_nanosleep_args *uap, register_t *retval)
    439 {
    440 	/* {
    441 		syscallarg(const netbsd32_timespec50p_t) rqtp;
    442 		syscallarg(netbsd32_timespecp_t) rmtp;
    443 	} */
    444 	static int nanowait;
    445 	struct netbsd32_timespec50 ts32;
    446 	struct timespec rqt, ctime, rmt;
    447 	int error, timo;
    448 
    449 	error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32));
    450 	if (error)
    451 		return (error);
    452 
    453 	netbsd32_to_timespec50(&ts32, &rqt);
    454 	if (itimespecfix(&rqt))
    455 		return (EINVAL);
    456 
    457 	getnanotime(&ctime);
    458 	timespecadd(&rqt, &ctime, &rqt);
    459 	timo = tshzto(&rqt);
    460 	/*
    461 	 * Avoid inadvertantly sleeping forever
    462 	 */
    463 	if (timo == 0)
    464 		timo = 1;
    465 
    466 	error = tsleep(&nanowait, PWAIT | PCATCH, "nanosleep", timo);
    467 	if (error == ERESTART)
    468 		error = EINTR;
    469 	if (error == EWOULDBLOCK)
    470 		error = 0;
    471 
    472 	if (SCARG_P32(uap, rmtp)) {
    473 		int error1;
    474 
    475 		getnanotime(&rmt);
    476 
    477 		timespecsub(&rqt, &rmt, &rmt);
    478 		if (rmt.tv_sec < 0)
    479 			timespecclear(&rmt);
    480 
    481 		netbsd32_from_timespec50(&rmt, &ts32);
    482 		error1 = copyout(&ts32, SCARG_P32(uap,rmtp), sizeof(ts32));
    483 		if (error1)
    484 			return (error1);
    485 	}
    486 
    487 	return error;
    488 }
    489 
    490 static int
    491 compat_50_netbsd32_sigtimedwait_put_info(const void *src, void *dst, size_t size)
    492 {
    493 	const siginfo_t *info = src;
    494 	siginfo32_t info32;
    495 
    496 	netbsd32_si_to_si32(&info32, info);
    497 
    498 	return copyout(&info32, dst, sizeof(info32));
    499 }
    500 
    501 static int
    502 compat_50_netbsd32_sigtimedwait_fetch_timeout(const void *src, void *dst, size_t size)
    503 {
    504 	struct timespec *ts = dst;
    505 	struct netbsd32_timespec50 ts32;
    506 	int error;
    507 
    508 	error = copyin(src, &ts32, sizeof(ts32));
    509 	if (error)
    510 		return error;
    511 
    512 	netbsd32_to_timespec50(&ts32, ts);
    513 	return 0;
    514 }
    515 
    516 static int
    517 compat_50_netbsd32_sigtimedwait_put_timeout(const void *src, void *dst, size_t size)
    518 {
    519 	const struct timespec *ts = src;
    520 	struct netbsd32_timespec50 ts32;
    521 
    522 	netbsd32_from_timespec50(ts, &ts32);
    523 
    524 	return copyout(&ts32, dst, sizeof(ts32));
    525 }
    526 
    527 int
    528 compat_50_netbsd32___sigtimedwait(struct lwp *l,
    529     const struct compat_50_netbsd32___sigtimedwait_args *uap, register_t *retval)
    530 {
    531 	/* {
    532 		syscallarg(netbsd32_sigsetp_t) set;
    533 		syscallarg(netbsd32_siginfop_t) info;
    534 		syscallarg(netbsd32_timespec50p_t) timeout;
    535 	} */
    536 	struct sys_____sigtimedwait50_args ua;
    537 
    538 	NETBSD32TOP_UAP(set, const sigset_t);
    539 	NETBSD32TOP_UAP(info, siginfo_t);
    540 	NETBSD32TOP_UAP(timeout, struct timespec);
    541 
    542 	return sigtimedwait1(l, &ua, retval,
    543 	    compat_50_netbsd32_sigtimedwait_put_info,
    544 	    compat_50_netbsd32_sigtimedwait_fetch_timeout,
    545 	    compat_50_netbsd32_sigtimedwait_put_timeout);
    546 	return 0;
    547 }
    548 
    549 int
    550 compat_50_netbsd32_lutimes(struct lwp *l,
    551     const struct compat_50_netbsd32_lutimes_args *uap, register_t *retval)
    552 {
    553 	/* {
    554 		syscallarg(const netbsd32_charp) path;
    555 		syscallarg(const netbsd32_timeval50p_t) tptr;
    556 	} */
    557 	int error;
    558 	struct timeval tv[2], *tvp;
    559 
    560 	error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp);
    561 	if (error != 0)
    562 		return error;
    563 
    564 	return do_sys_utimes(l, NULL, SCARG_P32(uap, path), NOFOLLOW,
    565 	    tvp, UIO_SYSSPACE);
    566 }
    567 
    568 int
    569 compat_50_netbsd32__lwp_park(struct lwp *l,
    570     const struct compat_50_netbsd32__lwp_park_args *uap, register_t *retval)
    571 {
    572 	/* {
    573 		syscallarg(const netbsd32_timespec50p) ts;
    574 		syscallarg(lwpid_t) unpark;
    575 		syscallarg(netbsd32_voidp) hint;
    576 		syscallarg(netbsd32_voidp) unparkhint;
    577 	} */
    578 	struct timespec ts, *tsp;
    579 	struct netbsd32_timespec50 ts32;
    580 	int error;
    581 
    582 	if (SCARG_P32(uap, ts) == NULL)
    583 		tsp = NULL;
    584 	else {
    585 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof ts32);
    586 		if (error != 0)
    587 			return error;
    588 		netbsd32_to_timespec50(&ts32, &ts);
    589 		tsp = &ts;
    590 	}
    591 
    592 	if (SCARG(uap, unpark) != 0) {
    593 		error = lwp_unpark(SCARG(uap, unpark),
    594 		    SCARG_P32(uap, unparkhint));
    595 		if (error != 0)
    596 			return error;
    597 	}
    598 
    599 	return lwp_park(tsp, SCARG_P32(uap, hint));
    600 	return 0;
    601 }
    602 
    603 static int
    604 netbsd32_kevent_fetch_timeout(const void *src, void *dest, size_t length)
    605 {
    606 	struct netbsd32_timespec50 ts32;
    607 	int error;
    608 
    609 	KASSERT(length == sizeof(struct timespec50));
    610 
    611 	error = copyin(src, &ts32, sizeof(ts32));
    612 	if (error)
    613 		return error;
    614 	netbsd32_to_timespec50(&ts32, (struct timespec *)dest);
    615 	return 0;
    616 }
    617 
    618 static int
    619 netbsd32_kevent_fetch_changes(void *private, const struct kevent *changelist,
    620     struct kevent *changes, size_t index, int n)
    621 {
    622 	const struct netbsd32_kevent *src =
    623 	    (const struct netbsd32_kevent *)changelist;
    624 	struct netbsd32_kevent *kev32, *changes32 = private;
    625 	int error, i;
    626 
    627 	error = copyin(src + index, changes32, n * sizeof(*changes32));
    628 	if (error)
    629 		return error;
    630 	for (i = 0, kev32 = changes32; i < n; i++, kev32++, changes++)
    631 		netbsd32_to_kevent(kev32, changes);
    632 	return 0;
    633 }
    634 
    635 static int
    636 netbsd32_kevent_put_events(void *private, struct kevent *events,
    637     struct kevent *eventlist, size_t index, int n)
    638 {
    639 	struct netbsd32_kevent *kev32, *events32 = private;
    640 	int i;
    641 
    642 	for (i = 0, kev32 = events32; i < n; i++, kev32++, events++)
    643 		netbsd32_from_kevent(events, kev32);
    644 	kev32 = (struct netbsd32_kevent *)eventlist;
    645 	return  copyout(events32, kev32, n * sizeof(*events32));
    646 }
    647 
    648 int
    649 compat_50_netbsd32_kevent(struct lwp *l,
    650     const struct compat_50_netbsd32_kevent_args *uap, register_t *retval)
    651 {
    652 	/* {
    653 		syscallarg(int) fd;
    654 		syscallarg(netbsd32_keventp_t) changelist;
    655 		syscallarg(netbsd32_size_t) nchanges;
    656 		syscallarg(netbsd32_keventp_t) eventlist;
    657 		syscallarg(netbsd32_size_t) nevents;
    658 		syscallarg(netbsd32_timespec50p_t) timeout;
    659 	} */
    660 	int error;
    661 	size_t maxalloc, nchanges, nevents;
    662 	struct kevent_ops netbsd32_kevent_ops = {
    663 		keo_fetch_timeout: netbsd32_kevent_fetch_timeout,
    664 		keo_fetch_changes: netbsd32_kevent_fetch_changes,
    665 		keo_put_events: netbsd32_kevent_put_events,
    666 	};
    667 
    668 	nchanges = SCARG(uap, nchanges);
    669 	nevents = SCARG(uap, nevents);
    670 	maxalloc = MIN(KQ_NEVENTS, MAX(nchanges, nevents));
    671 	netbsd32_kevent_ops.keo_private =
    672 	    malloc(maxalloc * sizeof(struct netbsd32_kevent), M_TEMP,
    673 	    M_WAITOK);
    674 
    675 	error = kevent1(retval, SCARG(uap, fd),
    676 	    NETBSD32PTR64(SCARG(uap, changelist)), nchanges,
    677 	    NETBSD32PTR64(SCARG(uap, eventlist)), nevents,
    678 	    NETBSD32PTR64(SCARG(uap, timeout)), &netbsd32_kevent_ops);
    679 
    680 	free(netbsd32_kevent_ops.keo_private, M_TEMP);
    681 	return error;
    682 	return 0;
    683 }
    684 
    685 int
    686 compat_50_netbsd32_pselect(struct lwp *l,
    687     const struct compat_50_netbsd32_pselect_args *uap, register_t *retval)
    688 {
    689 	/* {
    690 		syscallarg(int) nd;
    691 		syscallarg(netbsd32_fd_setp_t) in;
    692 		syscallarg(netbsd32_fd_setp_t) ou;
    693 		syscallarg(netbsd32_fd_setp_t) ex;
    694 		syscallarg(const netbsd32_timespec50p_t) ts;
    695 		syscallarg(const netbsd32_sigsetp_t) mask;
    696 	} */
    697 	int error;
    698 	struct netbsd32_timespec50 ts32;
    699 	struct timespec ats, *ts = NULL;
    700 	sigset_t amask, *mask = NULL;
    701 
    702 	if (SCARG_P32(uap, ts)) {
    703 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
    704 		if (error != 0)
    705 			return error;
    706 		netbsd32_to_timespec50(&ts32, &ats);
    707 		ts = &ats;
    708 	}
    709 	if (SCARG_P32(uap, mask)) {
    710 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    711 		if (error != 0)
    712 			return error;
    713 		mask = &amask;
    714 	}
    715 
    716 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
    717 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, mask);
    718 	return 0;
    719 }
    720 
    721 int
    722 compat_50_netbsd32_pollts(struct lwp *l,
    723     const struct compat_50_netbsd32_pollts_args *uap, register_t *retval)
    724 {
    725 	/* {
    726 		syscallarg(struct netbsd32_pollfdp_t) fds;
    727 		syscallarg(u_int) nfds;
    728 		syscallarg(const netbsd32_timespec50p_t) ts;
    729 		syscallarg(const netbsd32_sigsetp_t) mask;
    730 	} */
    731 	int error;
    732 	struct netbsd32_timespec50 ts32;
    733 	struct timespec ats, *ts = NULL;
    734 	sigset_t amask, *mask = NULL;
    735 
    736 	if (SCARG_P32(uap, ts)) {
    737 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
    738 		if (error != 0)
    739 			return error;
    740 		netbsd32_to_timespec50(&ts32, &ats);
    741 		ts = &ats;
    742 	}
    743 	if (NETBSD32PTR64( SCARG(uap, mask))) {
    744 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    745 		if (error != 0)
    746 			return error;
    747 		mask = &amask;
    748 	}
    749 
    750 	return pollcommon(retval, SCARG_P32(uap, fds),
    751 	    SCARG(uap, nfds), ts, mask);
    752 }
    753 
    754 int
    755 compat_50_netbsd32___stat30(struct lwp *l,
    756     const struct compat_50_netbsd32___stat30_args *uap, register_t *retval)
    757 {
    758 	/* {
    759 		syscallarg(const netbsd32_charp) path;
    760 		syscallarg(netbsd32_stat50p_t) ub;
    761 	} */
    762 	struct netbsd32_stat50 sb32;
    763 	struct stat sb;
    764 	int error;
    765 	const char *path;
    766 
    767 	path = SCARG_P32(uap, path);
    768 
    769 	error = do_sys_stat(path, FOLLOW, &sb);
    770 	if (error)
    771 		return error;
    772 	netbsd32_from___stat50(&sb, &sb32);
    773 	error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32));
    774 	return error;
    775 }
    776 
    777 int
    778 compat_50_netbsd32___fstat30(struct lwp *l,
    779     const struct compat_50_netbsd32___fstat30_args *uap, register_t *retval)
    780 {
    781 	/* {
    782 		syscallarg(int) fd;
    783 		syscallarg(netbsd32_stat50p_t) sb;
    784 	} */
    785 	struct netbsd32_stat50 sb32;
    786 	struct stat ub;
    787 	int error;
    788 
    789 	error = do_sys_fstat(SCARG(uap, fd), &ub);
    790 	if (error == 0) {
    791 		netbsd32_from___stat50(&ub, &sb32);
    792 		error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32));
    793 	}
    794 	return error;
    795 }
    796 
    797 int
    798 compat_50_netbsd32___lstat30(struct lwp *l,
    799     const struct compat_50_netbsd32___lstat30_args *uap, register_t *retval)
    800 {
    801 	/* {
    802 		syscallarg(const netbsd32_charp) path;
    803 		syscallarg(netbsd32_stat50p_t) ub;
    804 	} */
    805 	struct netbsd32_stat50 sb32;
    806 	struct stat sb;
    807 	int error;
    808 	const char *path;
    809 
    810 	path = SCARG_P32(uap, path);
    811 
    812 	error = do_sys_stat(path, NOFOLLOW, &sb);
    813 	if (error)
    814 		return error;
    815 	netbsd32_from___stat50(&sb, &sb32);
    816 	error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32));
    817 	return error;
    818 }
    819 
    820 int
    821 compat_50_netbsd32___fhstat40(struct lwp *l, const struct compat_50_netbsd32___fhstat40_args *uap, register_t *retval)
    822 {
    823 	/* {
    824 		syscallarg(const netbsd32_pointer_t) fhp;
    825 		syscallarg(netbsd32_size_t) fh_size;
    826 		syscallarg(netbsd32_stat50p_t) sb;
    827 	} */
    828 	struct stat sb;
    829 	struct netbsd32_stat50 sb32;
    830 	int error;
    831 
    832 	error = do_fhstat(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), &sb);
    833 	if (error != 0) {
    834 		netbsd32_from___stat50(&sb, &sb32);
    835 		error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb));
    836 	}
    837 	return error;
    838 }
    839 
    840 int
    841 compat_50_netbsd32_wait4(struct lwp *l, const struct compat_50_netbsd32_wait4_args *uap, register_t *retval)
    842 {
    843 	/* {
    844 		syscallarg(int) pid;
    845 		syscallarg(netbsd32_intp) status;
    846 		syscallarg(int) options;
    847 		syscallarg(netbsd32_rusage50p_t) rusage;
    848 	} */
    849 	int error, status, pid = SCARG(uap, pid);
    850 	struct netbsd32_rusage50 ru32;
    851 	struct rusage ru;
    852 
    853 	error = do_sys_wait(&pid, &status, SCARG(uap, options),
    854 	    SCARG_P32(uap, rusage) != NULL ? &ru : NULL);
    855 
    856 	retval[0] = pid;
    857 	if (pid == 0)
    858 		return error;
    859 
    860 	if (SCARG_P32(uap, rusage)) {
    861 		netbsd32_from_rusage50(&ru, &ru32);
    862 		error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32));
    863 	}
    864 
    865 	if (error == 0 && SCARG_P32(uap, status))
    866 		error = copyout(&status, SCARG_P32(uap, status), sizeof(status));
    867 
    868 	return error;
    869 }
    870 
    871 
    872 int
    873 compat_50_netbsd32_getrusage(struct lwp *l, const struct compat_50_netbsd32_getrusage_args *uap, register_t *retval)
    874 {
    875 	/* {
    876 		syscallarg(int) who;
    877 		syscallarg(netbsd32_rusage50p_t) rusage;
    878 	} */
    879 	struct proc *p = l->l_proc;
    880 	struct rusage *rup;
    881 	struct netbsd32_rusage50 ru;
    882 
    883 	switch (SCARG(uap, who)) {
    884 
    885 	case RUSAGE_SELF:
    886 		rup = &p->p_stats->p_ru;
    887 		mutex_enter(p->p_lock);
    888 		calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL);
    889 		mutex_exit(p->p_lock);
    890 		break;
    891 
    892 	case RUSAGE_CHILDREN:
    893 		rup = &p->p_stats->p_cru;
    894 		break;
    895 
    896 	default:
    897 		return (EINVAL);
    898 	}
    899 	netbsd32_from_rusage50(rup, &ru);
    900 	return copyout(&ru, SCARG_P32(uap, rusage), sizeof(ru));
    901 }
    902 
    903 int
    904 compat_50_netbsd32_setitimer(struct lwp *l,
    905     const struct compat_50_netbsd32_setitimer_args *uap, register_t *retval)
    906 {
    907 	/* {
    908 		syscallarg(int) which;
    909 		syscallarg(const netbsd32_itimerval50p_t) itv;
    910 		syscallarg(netbsd32_itimerval50p_t) oitv;
    911 	} */
    912 	struct proc *p = l->l_proc;
    913 	struct netbsd32_itimerval50 s32it, *itv32;
    914 	int which = SCARG(uap, which);
    915 	struct compat_50_netbsd32_getitimer_args getargs;
    916 	struct itimerval aitv;
    917 	int error;
    918 
    919 	if ((u_int)which > ITIMER_PROF)
    920 		return (EINVAL);
    921 	itv32 = SCARG_P32(uap, itv);
    922 	if (itv32) {
    923 		if ((error = copyin(itv32, &s32it, sizeof(s32it))))
    924 			return (error);
    925 		netbsd32_to_itimerval50(&s32it, &aitv);
    926 	}
    927 	if (SCARG_P32(uap, oitv) != 0) {
    928 		SCARG(&getargs, which) = which;
    929 		SCARG(&getargs, itv) = SCARG(uap, oitv);
    930 		if ((error = compat_50_netbsd32_getitimer(l, &getargs, retval)) != 0)
    931 			return (error);
    932 	}
    933 	if (itv32 == 0)
    934 		return 0;
    935 
    936 	return dosetitimer(p, which, &aitv);
    937 }
    938 
    939 int
    940 compat_50_netbsd32_getitimer(struct lwp *l, const struct compat_50_netbsd32_getitimer_args *uap, register_t *retval)
    941 {
    942 	/* {
    943 		syscallarg(int) which;
    944 		syscallarg(netbsd32_itimerval50p_t) itv;
    945 	} */
    946 	struct proc *p = l->l_proc;
    947 	struct netbsd32_itimerval50 s32it;
    948 	struct itimerval aitv;
    949 	int error;
    950 
    951 	error = dogetitimer(p, SCARG(uap, which), &aitv);
    952 	if (error)
    953 		return error;
    954 
    955 	netbsd32_from_itimerval50(&aitv, &s32it);
    956 	return copyout(&s32it, SCARG_P32(uap, itv), sizeof(s32it));
    957 }
    958 
    959 #if defined(SYSVSEM)
    960 
    961 int
    962 compat_50_netbsd32___semctl14(struct lwp *l, const struct compat_50_netbsd32___semctl14_args *uap, register_t *retval)
    963 {
    964 	return do_netbsd32___semctl14(l, uap, retval, NULL);
    965 }
    966 
    967 int
    968 do_netbsd32___semctl14(struct lwp *l, const struct compat_50_netbsd32___semctl14_args *uap, register_t *retval, void *vkarg)
    969 {
    970 	/* {
    971 		syscallarg(int) semid;
    972 		syscallarg(int) semnum;
    973 		syscallarg(int) cmd;
    974 		syscallarg(netbsd32_semun50p_t) arg;
    975 	} */
    976 	struct semid_ds sembuf;
    977 	struct netbsd32_semid_ds50 sembuf32;
    978 	int cmd, error;
    979 	void *pass_arg;
    980 	union __semun karg;
    981 	union netbsd32_semun50 karg32;
    982 
    983 	cmd = SCARG(uap, cmd);
    984 
    985 	switch (cmd) {
    986 	case IPC_SET:
    987 	case IPC_STAT:
    988 		pass_arg = &sembuf;
    989 		break;
    990 
    991 	case GETALL:
    992 	case SETVAL:
    993 	case SETALL:
    994 		pass_arg = &karg;
    995 		break;
    996 	default:
    997 		pass_arg = NULL;
    998 		break;
    999 	}
   1000 
   1001 	if (pass_arg) {
   1002 		if (vkarg != NULL)
   1003 			karg32 = *(union netbsd32_semun50 *)vkarg;
   1004 		else {
   1005 			error = copyin(SCARG_P32(uap, arg), &karg32,
   1006 					sizeof(karg32));
   1007 			if (error)
   1008 				return error;
   1009 		}
   1010 		if (pass_arg == &karg) {
   1011 			switch (cmd) {
   1012 			case GETALL:
   1013 			case SETALL:
   1014 				karg.array = NETBSD32PTR64(karg32.array);
   1015 				break;
   1016 			case SETVAL:
   1017 				karg.val = karg32.val;
   1018 				break;
   1019 			}
   1020 		}
   1021 		if (cmd == IPC_SET) {
   1022 			error = copyin(NETBSD32PTR64(karg32.buf), &sembuf32,
   1023 			    sizeof(sembuf32));
   1024 			if (error)
   1025 				return (error);
   1026 			netbsd32_to_semid_ds50(&sembuf32, &sembuf);
   1027 		}
   1028 	}
   1029 
   1030 	error = semctl1(l, SCARG(uap, semid), SCARG(uap, semnum), cmd,
   1031 	    pass_arg, retval);
   1032 
   1033 	if (error == 0 && cmd == IPC_STAT) {
   1034 		netbsd32_from_semid_ds50(&sembuf, &sembuf32);
   1035 		error = copyout(&sembuf32, NETBSD32PTR64(karg32.buf),
   1036 		    sizeof(sembuf32));
   1037 	}
   1038 
   1039 	return (error);
   1040 }
   1041 #endif
   1042 
   1043 #if defined(SYSVMSG)
   1044 
   1045 int
   1046 compat_50_netbsd32___msgctl13(struct lwp *l, const struct compat_50_netbsd32___msgctl13_args *uap, register_t *retval)
   1047 {
   1048 	/* {
   1049 		syscallarg(int) msqid;
   1050 		syscallarg(int) cmd;
   1051 		syscallarg(netbsd32_msqid_ds50p_t) buf;
   1052 	} */
   1053 	struct msqid_ds ds;
   1054 	struct netbsd32_msqid_ds50 ds32;
   1055 	int error, cmd;
   1056 
   1057 	cmd = SCARG(uap, cmd);
   1058 	if (cmd == IPC_SET) {
   1059 		error = copyin(SCARG_P32(uap, buf), &ds32, sizeof(ds32));
   1060 		if (error)
   1061 			return error;
   1062 		netbsd32_to_msqid_ds50(&ds32, &ds);
   1063 	}
   1064 
   1065 	error = msgctl1(l, SCARG(uap, msqid), cmd,
   1066 	    (cmd == IPC_SET || cmd == IPC_STAT) ? &ds : NULL);
   1067 
   1068 	if (error == 0 && cmd == IPC_STAT) {
   1069 		netbsd32_from_msqid_ds50(&ds, &ds32);
   1070 		error = copyout(&ds32, SCARG_P32(uap, buf), sizeof(ds32));
   1071 	}
   1072 
   1073 	return error;
   1074 }
   1075 #endif
   1076 
   1077 #if defined(SYSVSHM)
   1078 
   1079 int
   1080 compat_50_netbsd32___shmctl13(struct lwp *l, const struct compat_50_netbsd32___shmctl13_args *uap, register_t *retval)
   1081 {
   1082 	/* {
   1083 		syscallarg(int) shmid;
   1084 		syscallarg(int) cmd;
   1085 		syscallarg(netbsd32_shmid_ds50p_t) buf;
   1086 	} */
   1087 	struct shmid_ds ds;
   1088 	struct netbsd32_shmid_ds50 ds32;
   1089 	int error, cmd;
   1090 
   1091 	cmd = SCARG(uap, cmd);
   1092 	if (cmd == IPC_SET) {
   1093 		error = copyin(SCARG_P32(uap, buf), &ds32, sizeof(ds32));
   1094 		if (error)
   1095 			return error;
   1096 		netbsd32_to_shmid_ds50(&ds32, &ds);
   1097 	}
   1098 
   1099 	error = shmctl1(l, SCARG(uap, shmid), cmd,
   1100 	    (cmd == IPC_SET || cmd == IPC_STAT) ? &ds : NULL);
   1101 
   1102 	if (error == 0 && cmd == IPC_STAT) {
   1103 		netbsd32_from_shmid_ds50(&ds, &ds32);
   1104 		error = copyout(&ds32, SCARG_P32(uap, buf), sizeof(ds32));
   1105 	}
   1106 
   1107 	return error;
   1108 }
   1109 #endif
   1110