1/*-
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28/*
29 * SVR4 compatibility module.
30 *
31 * SVR4 system calls that are implemented differently in BSD are
32 * handled here.
33 */
34
35#include <sys/cdefs.h>
|
36__FBSDID("$FreeBSD: head/sys/compat/svr4/svr4_misc.c 169667 2007-05-18 07:10:50Z jeff $");
|
| 36__FBSDID("$FreeBSD: head/sys/compat/svr4/svr4_misc.c 170170 2007-05-31 22:52:15Z attilio $"); |
37
38#include "opt_mac.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/dirent.h>
43#include <sys/fcntl.h>
44#include <sys/filedesc.h>
45#include <sys/imgact.h>
46#include <sys/kernel.h>
47#include <sys/lock.h>
48#include <sys/malloc.h>
49#include <sys/file.h> /* Must come after sys/malloc.h */
50#include <sys/mman.h>
51#include <sys/mount.h>
52#include <sys/msg.h>
53#include <sys/mutex.h>
54#include <sys/namei.h>
55#include <sys/priv.h>
56#include <sys/proc.h>
57#include <sys/ptrace.h>
58#include <sys/resource.h>
59#include <sys/resourcevar.h>
60#include <sys/sem.h>
61#include <sys/signalvar.h>
62#include <sys/stat.h>
63#include <sys/sx.h>
64#include <sys/syscallsubr.h>
65#include <sys/sysproto.h>
66#include <sys/time.h>
67#include <sys/times.h>
68#include <sys/uio.h>
69#include <sys/vnode.h>
70#include <sys/wait.h>
71
72#include <compat/svr4/svr4.h>
73#include <compat/svr4/svr4_types.h>
74#include <compat/svr4/svr4_signal.h>
75#include <compat/svr4/svr4_proto.h>
76#include <compat/svr4/svr4_util.h>
77#include <compat/svr4/svr4_sysconfig.h>
78#include <compat/svr4/svr4_dirent.h>
79#include <compat/svr4/svr4_acl.h>
80#include <compat/svr4/svr4_ulimit.h>
81#include <compat/svr4/svr4_statvfs.h>
82#include <compat/svr4/svr4_hrt.h>
83#include <compat/svr4/svr4_mman.h>
84#include <compat/svr4/svr4_wait.h>
85
86#include <security/mac/mac_framework.h>
87
88#include <machine/vmparam.h>
89#include <vm/vm.h>
90#include <vm/vm_param.h>
91#include <vm/vm_map.h>
92#if defined(__FreeBSD__)
93#include <vm/uma.h>
94#include <vm/vm_extern.h>
95#endif
96
97#if defined(NetBSD)
98# if defined(UVM)
99# include <uvm/uvm_extern.h>
100# endif
101#endif
102
103#define BSD_DIRENT(cp) ((struct dirent *)(cp))
104
105static int svr4_mknod(struct thread *, register_t *, char *,
106 svr4_mode_t, svr4_dev_t);
107
108static __inline clock_t timeval_to_clock_t(struct timeval *);
109static int svr4_setinfo (pid_t , struct rusage *, int, svr4_siginfo_t *);
110
111struct svr4_hrtcntl_args;
112static int svr4_hrtcntl (struct thread *, struct svr4_hrtcntl_args *,
113 register_t *);
114static void bsd_statfs_to_svr4_statvfs(const struct statfs *,
115 struct svr4_statvfs *);
116static void bsd_statfs_to_svr4_statvfs64(const struct statfs *,
117 struct svr4_statvfs64 *);
118static struct proc *svr4_pfind(pid_t pid);
119
120/* BOGUS noop */
121#if defined(BOGUS)
122int
123svr4_sys_setitimer(td, uap)
124 register struct thread *td;
125 struct svr4_sys_setitimer_args *uap;
126{
127 td->td_retval[0] = 0;
128 return 0;
129}
130#endif
131
132int
133svr4_sys_wait(td, uap)
134 struct thread *td;
135 struct svr4_sys_wait_args *uap;
136{
137 int error, st, sig;
138
139 error = kern_wait(td, WAIT_ANY, &st, 0, NULL);
140 if (error)
141 return (error);
142
143 if (WIFSIGNALED(st)) {
144 sig = WTERMSIG(st);
145 if (sig >= 0 && sig < NSIG)
146 st = (st & ~0177) | SVR4_BSD2SVR4_SIG(sig);
147 } else if (WIFSTOPPED(st)) {
148 sig = WSTOPSIG(st);
149 if (sig >= 0 && sig < NSIG)
150 st = (st & ~0xff00) | (SVR4_BSD2SVR4_SIG(sig) << 8);
151 }
152
153 /*
154 * It looks like wait(2) on svr4/solaris/2.4 returns
155 * the status in retval[1], and the pid on retval[0].
156 */
157 td->td_retval[1] = st;
158
159 if (uap->status)
160 error = copyout(&st, uap->status, sizeof(st));
161
162 return (error);
163}
164
165int
166svr4_sys_execv(td, uap)
167 struct thread *td;
168 struct svr4_sys_execv_args *uap;
169{
170 struct image_args eargs;
171 char *path;
172 int error;
173
174 CHECKALTEXIST(td, uap->path, &path);
175
176 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp, NULL);
177 free(path, M_TEMP);
178 if (error == 0)
179 error = kern_execve(td, &eargs, NULL);
180 return (error);
181}
182
183int
184svr4_sys_execve(td, uap)
185 struct thread *td;
186 struct svr4_sys_execve_args *uap;
187{
188 struct image_args eargs;
189 char *path;
190 int error;
191
192 CHECKALTEXIST(td, uap->path, &path);
193
194 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp,
195 uap->envp);
196 free(path, M_TEMP);
197 if (error == 0)
198 error = kern_execve(td, &eargs, NULL);
199 return (error);
200}
201
202int
203svr4_sys_time(td, v)
204 struct thread *td;
205 struct svr4_sys_time_args *v;
206{
207 struct svr4_sys_time_args *uap = v;
208 int error = 0;
209 struct timeval tv;
210
211 microtime(&tv);
212 if (uap->t)
213 error = copyout(&tv.tv_sec, uap->t,
214 sizeof(*(uap->t)));
215 td->td_retval[0] = (int) tv.tv_sec;
216
217 return error;
218}
219
220
221/*
222 * Read SVR4-style directory entries. We suck them into kernel space so
223 * that they can be massaged before being copied out to user code.
224 *
225 * This code is ported from the Linux emulator: Changes to the VFS interface
226 * between FreeBSD and NetBSD have made it simpler to port it from there than
227 * to adapt the NetBSD version.
228 */
229int
230svr4_sys_getdents64(td, uap)
231 struct thread *td;
232 struct svr4_sys_getdents64_args *uap;
233{
234 register struct dirent *bdp;
235 struct vnode *vp;
236 caddr_t inp, buf; /* BSD-format */
237 int len, reclen; /* BSD-format */
238 caddr_t outp; /* SVR4-format */
239 int resid, svr4reclen=0; /* SVR4-format */
240 struct file *fp;
241 struct uio auio;
242 struct iovec aiov;
243 off_t off;
244 struct svr4_dirent64 svr4_dirent;
245 int buflen, error, eofflag, nbytes, justone, vfslocked;
246 u_long *cookies = NULL, *cookiep;
247 int ncookies;
248
249 DPRINTF(("svr4_sys_getdents64(%d, *, %d)\n",
250 uap->fd, uap->nbytes));
251 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0) {
252 return (error);
253 }
254
255 if ((fp->f_flag & FREAD) == 0) {
256 fdrop(fp, td);
257 return (EBADF);
258 }
259
260 vp = fp->f_vnode;
261 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
262 if (vp->v_type != VDIR) {
263 VFS_UNLOCK_GIANT(vfslocked);
264 fdrop(fp, td);
265 return (EINVAL);
266 }
267
268 nbytes = uap->nbytes;
269 if (nbytes == 1) {
270 nbytes = sizeof (struct svr4_dirent64);
271 justone = 1;
272 }
273 else
274 justone = 0;
275
276 off = fp->f_offset;
277#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
278 buflen = max(DIRBLKSIZ, nbytes);
279 buflen = min(buflen, MAXBSIZE);
280 buf = malloc(buflen, M_TEMP, M_WAITOK);
281 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
282again:
283 aiov.iov_base = buf;
284 aiov.iov_len = buflen;
285 auio.uio_iov = &aiov;
286 auio.uio_iovcnt = 1;
287 auio.uio_rw = UIO_READ;
288 auio.uio_segflg = UIO_SYSSPACE;
289 auio.uio_td = td;
290 auio.uio_resid = buflen;
291 auio.uio_offset = off;
292
293 if (cookies) {
294 free(cookies, M_TEMP);
295 cookies = NULL;
296 }
297
298#ifdef MAC
299 error = mac_check_vnode_readdir(td->td_ucred, vp);
300 if (error)
301 goto out;
302#endif
303
304 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag,
305 &ncookies, &cookies);
306 if (error) {
307 goto out;
308 }
309
310 inp = buf;
311 outp = (caddr_t) uap->dp;
312 resid = nbytes;
313 if ((len = buflen - auio.uio_resid) <= 0) {
314 goto eof;
315 }
316
317 cookiep = cookies;
318
319 if (cookies) {
320 /*
321 * When using cookies, the vfs has the option of reading from
322 * a different offset than that supplied (UFS truncates the
323 * offset to a block boundary to make sure that it never reads
324 * partway through a directory entry, even if the directory
325 * has been compacted).
326 */
327 while (len > 0 && ncookies > 0 && *cookiep <= off) {
328 bdp = (struct dirent *) inp;
329 len -= bdp->d_reclen;
330 inp += bdp->d_reclen;
331 cookiep++;
332 ncookies--;
333 }
334 }
335
336 while (len > 0) {
337 if (cookiep && ncookies == 0)
338 break;
339 bdp = (struct dirent *) inp;
340 reclen = bdp->d_reclen;
341 if (reclen & 3) {
342 DPRINTF(("svr4_readdir: reclen=%d\n", reclen));
343 error = EFAULT;
344 goto out;
345 }
346
347 if (bdp->d_fileno == 0) {
348 inp += reclen;
349 if (cookiep) {
350 off = *cookiep++;
351 ncookies--;
352 } else
353 off += reclen;
354 len -= reclen;
355 continue;
356 }
357 svr4reclen = SVR4_RECLEN(&svr4_dirent, bdp->d_namlen);
358 if (reclen > len || resid < svr4reclen) {
359 outp++;
360 break;
361 }
362 svr4_dirent.d_ino = (long) bdp->d_fileno;
363 if (justone) {
364 /*
365 * old svr4-style readdir usage.
366 */
367 svr4_dirent.d_off = (svr4_off_t) svr4reclen;
368 svr4_dirent.d_reclen = (u_short) bdp->d_namlen;
369 } else {
370 svr4_dirent.d_off = (svr4_off_t)(off + reclen);
371 svr4_dirent.d_reclen = (u_short) svr4reclen;
372 }
373 strcpy(svr4_dirent.d_name, bdp->d_name);
374 if ((error = copyout((caddr_t)&svr4_dirent, outp, svr4reclen)))
375 goto out;
376 inp += reclen;
377 if (cookiep) {
378 off = *cookiep++;
379 ncookies--;
380 } else
381 off += reclen;
382 outp += svr4reclen;
383 resid -= svr4reclen;
384 len -= reclen;
385 if (justone)
386 break;
387 }
388
389 if (outp == (caddr_t) uap->dp)
390 goto again;
391 fp->f_offset = off;
392
393 if (justone)
394 nbytes = resid + svr4reclen;
395
396eof:
397 td->td_retval[0] = nbytes - resid;
398out:
399 VOP_UNLOCK(vp, 0, td);
400 VFS_UNLOCK_GIANT(vfslocked);
401 fdrop(fp, td);
402 if (cookies)
403 free(cookies, M_TEMP);
404 free(buf, M_TEMP);
405 return error;
406}
407
408
409int
410svr4_sys_getdents(td, uap)
411 struct thread *td;
412 struct svr4_sys_getdents_args *uap;
413{
414 struct dirent *bdp;
415 struct vnode *vp;
416 caddr_t inp, buf; /* BSD-format */
417 int len, reclen; /* BSD-format */
418 caddr_t outp; /* SVR4-format */
419 int resid, svr4_reclen; /* SVR4-format */
420 struct file *fp;
421 struct uio auio;
422 struct iovec aiov;
423 struct svr4_dirent idb;
424 off_t off; /* true file offset */
425 int buflen, error, eofflag, vfslocked;
426 u_long *cookiebuf = NULL, *cookie;
427 int ncookies = 0, *retval = td->td_retval;
428
429 if (uap->nbytes < 0)
430 return (EINVAL);
431
432 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
433 return (error);
434
435 if ((fp->f_flag & FREAD) == 0) {
436 fdrop(fp, td);
437 return (EBADF);
438 }
439
440 vp = fp->f_vnode;
441 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
442 if (vp->v_type != VDIR) {
443 VFS_UNLOCK_GIANT(vfslocked);
444 fdrop(fp, td);
445 return (EINVAL);
446 }
447
448 buflen = min(MAXBSIZE, uap->nbytes);
449 buf = malloc(buflen, M_TEMP, M_WAITOK);
450 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
451 off = fp->f_offset;
452again:
453 aiov.iov_base = buf;
454 aiov.iov_len = buflen;
455 auio.uio_iov = &aiov;
456 auio.uio_iovcnt = 1;
457 auio.uio_rw = UIO_READ;
458 auio.uio_segflg = UIO_SYSSPACE;
459 auio.uio_td = td;
460 auio.uio_resid = buflen;
461 auio.uio_offset = off;
462
463#ifdef MAC
464 error = mac_check_vnode_readdir(td->td_ucred, vp);
465 if (error)
466 goto out;
467#endif
468
469 /*
470 * First we read into the malloc'ed buffer, then
471 * we massage it into user space, one record at a time.
472 */
473 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies,
474 &cookiebuf);
475 if (error) {
476 goto out;
477 }
478
479 inp = buf;
480 outp = uap->buf;
481 resid = uap->nbytes;
482 if ((len = buflen - auio.uio_resid) == 0)
483 goto eof;
484
485 for (cookie = cookiebuf; len > 0; len -= reclen) {
486 bdp = (struct dirent *)inp;
487 reclen = bdp->d_reclen;
488 if (reclen & 3)
489 panic("svr4_sys_getdents64: bad reclen");
490 off = *cookie++; /* each entry points to the next */
491 if ((off >> 32) != 0) {
492 uprintf("svr4_sys_getdents64: dir offset too large for emulated program");
493 error = EINVAL;
494 goto out;
495 }
496 if (bdp->d_fileno == 0) {
497 inp += reclen; /* it is a hole; squish it out */
498 continue;
499 }
500 svr4_reclen = SVR4_RECLEN(&idb, bdp->d_namlen);
501 if (reclen > len || resid < svr4_reclen) {
502 /* entry too big for buffer, so just stop */
503 outp++;
504 break;
505 }
506 /*
507 * Massage in place to make a SVR4-shaped dirent (otherwise
508 * we have to worry about touching user memory outside of
509 * the copyout() call).
510 */
511 idb.d_ino = (svr4_ino_t)bdp->d_fileno;
512 idb.d_off = (svr4_off_t)off;
513 idb.d_reclen = (u_short)svr4_reclen;
514 strcpy(idb.d_name, bdp->d_name);
515 if ((error = copyout((caddr_t)&idb, outp, svr4_reclen)))
516 goto out;
517 /* advance past this real entry */
518 inp += reclen;
519 /* advance output past SVR4-shaped entry */
520 outp += svr4_reclen;
521 resid -= svr4_reclen;
522 }
523
524 /* if we squished out the whole block, try again */
525 if (outp == uap->buf)
526 goto again;
527 fp->f_offset = off; /* update the vnode offset */
528
529eof:
530 *retval = uap->nbytes - resid;
531out:
532 VOP_UNLOCK(vp, 0, td);
533 VFS_UNLOCK_GIANT(vfslocked);
534 fdrop(fp, td);
535 if (cookiebuf)
536 free(cookiebuf, M_TEMP);
537 free(buf, M_TEMP);
538 return error;
539}
540
541
542int
543svr4_sys_mmap(td, uap)
544 struct thread *td;
545 struct svr4_sys_mmap_args *uap;
546{
547 struct mmap_args mm;
548 int *retval;
549
550 retval = td->td_retval;
551#define _MAP_NEW 0x80000000
552 /*
553 * Verify the arguments.
554 */
555 if (uap->prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
556 return EINVAL; /* XXX still needed? */
557
558 if (uap->len == 0)
559 return EINVAL;
560
561 mm.prot = uap->prot;
562 mm.len = uap->len;
563 mm.flags = uap->flags & ~_MAP_NEW;
564 mm.fd = uap->fd;
565 mm.addr = uap->addr;
566 mm.pos = uap->pos;
567
568 return mmap(td, &mm);
569}
570
571int
572svr4_sys_mmap64(td, uap)
573 struct thread *td;
574 struct svr4_sys_mmap64_args *uap;
575{
576 struct mmap_args mm;
577 void *rp;
578
579#define _MAP_NEW 0x80000000
580 /*
581 * Verify the arguments.
582 */
583 if (uap->prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
584 return EINVAL; /* XXX still needed? */
585
586 if (uap->len == 0)
587 return EINVAL;
588
589 mm.prot = uap->prot;
590 mm.len = uap->len;
591 mm.flags = uap->flags & ~_MAP_NEW;
592 mm.fd = uap->fd;
593 mm.addr = uap->addr;
594 mm.pos = uap->pos;
595
596 rp = (void *) round_page((vm_offset_t)(td->td_proc->p_vmspace->vm_daddr + maxdsiz));
597 if ((mm.flags & MAP_FIXED) == 0 &&
598 mm.addr != 0 && (void *)mm.addr < rp)
599 mm.addr = rp;
600
601 return mmap(td, &mm);
602}
603
604
605int
606svr4_sys_fchroot(td, uap)
607 struct thread *td;
608 struct svr4_sys_fchroot_args *uap;
609{
610 struct filedesc *fdp = td->td_proc->p_fd;
611 struct vnode *vp;
612 struct file *fp;
613 int error, vfslocked;
614
615 if ((error = priv_check_cred(td->td_ucred, PRIV_VFS_FCHROOT,
616 SUSER_ALLOWJAIL)) != 0)
617 return error;
618 if ((error = getvnode(fdp, uap->fd, &fp)) != 0)
619 return error;
620 vp = fp->f_vnode;
621 VREF(vp);
622 fdrop(fp, td);
623 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
624 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
625 error = change_dir(vp, td);
626 if (error)
627 goto fail;
628#ifdef MAC
629 error = mac_check_vnode_chroot(td->td_ucred, vp);
630 if (error)
631 goto fail;
632#endif
633 VOP_UNLOCK(vp, 0, td);
634 error = change_root(vp, td);
635 vrele(vp);
636 VFS_UNLOCK_GIANT(vfslocked);
637 return (error);
638fail:
639 vput(vp);
640 VFS_UNLOCK_GIANT(vfslocked);
641 return (error);
642}
643
644
645static int
646svr4_mknod(td, retval, path, mode, dev)
647 struct thread *td;
648 register_t *retval;
649 char *path;
650 svr4_mode_t mode;
651 svr4_dev_t dev;
652{
653 char *newpath;
654 int error;
655
656 CHECKALTEXIST(td, path, &newpath);
657
658 if (S_ISFIFO(mode))
659 error = kern_mkfifo(td, newpath, UIO_SYSSPACE, mode);
660 else
661 error = kern_mknod(td, newpath, UIO_SYSSPACE, mode, dev);
662 free(newpath, M_TEMP);
663 return (error);
664}
665
666
667int
668svr4_sys_mknod(td, uap)
669 register struct thread *td;
670 struct svr4_sys_mknod_args *uap;
671{
672 int *retval = td->td_retval;
673 return svr4_mknod(td, retval,
674 uap->path, uap->mode,
675 (svr4_dev_t)svr4_to_bsd_odev_t(uap->dev));
676}
677
678
679int
680svr4_sys_xmknod(td, uap)
681 struct thread *td;
682 struct svr4_sys_xmknod_args *uap;
683{
684 int *retval = td->td_retval;
685 return svr4_mknod(td, retval,
686 uap->path, uap->mode,
687 (svr4_dev_t)svr4_to_bsd_dev_t(uap->dev));
688}
689
690
691int
692svr4_sys_vhangup(td, uap)
693 struct thread *td;
694 struct svr4_sys_vhangup_args *uap;
695{
696 return 0;
697}
698
699
700int
701svr4_sys_sysconfig(td, uap)
702 struct thread *td;
703 struct svr4_sys_sysconfig_args *uap;
704{
705 int *retval;
706
707 retval = &(td->td_retval[0]);
708
709 switch (uap->name) {
710 case SVR4_CONFIG_UNUSED:
711 *retval = 0;
712 break;
713 case SVR4_CONFIG_NGROUPS:
714 *retval = NGROUPS_MAX;
715 break;
716 case SVR4_CONFIG_CHILD_MAX:
717 *retval = maxproc;
718 break;
719 case SVR4_CONFIG_OPEN_FILES:
720 *retval = maxfiles;
721 break;
722 case SVR4_CONFIG_POSIX_VER:
723 *retval = 198808;
724 break;
725 case SVR4_CONFIG_PAGESIZE:
726 *retval = PAGE_SIZE;
727 break;
728 case SVR4_CONFIG_CLK_TCK:
729 *retval = 60; /* should this be `hz', ie. 100? */
730 break;
731 case SVR4_CONFIG_XOPEN_VER:
732 *retval = 2; /* XXX: What should that be? */
733 break;
734 case SVR4_CONFIG_PROF_TCK:
735 *retval = 60; /* XXX: What should that be? */
736 break;
737 case SVR4_CONFIG_NPROC_CONF:
738 *retval = 1; /* Only one processor for now */
739 break;
740 case SVR4_CONFIG_NPROC_ONLN:
741 *retval = 1; /* And it better be online */
742 break;
743 case SVR4_CONFIG_AIO_LISTIO_MAX:
744 case SVR4_CONFIG_AIO_MAX:
745 case SVR4_CONFIG_AIO_PRIO_DELTA_MAX:
746 *retval = 0; /* No aio support */
747 break;
748 case SVR4_CONFIG_DELAYTIMER_MAX:
749 *retval = 0; /* No delaytimer support */
750 break;
751 case SVR4_CONFIG_MQ_OPEN_MAX:
752 *retval = msginfo.msgmni;
753 break;
754 case SVR4_CONFIG_MQ_PRIO_MAX:
755 *retval = 0; /* XXX: Don't know */
756 break;
757 case SVR4_CONFIG_RTSIG_MAX:
758 *retval = 0;
759 break;
760 case SVR4_CONFIG_SEM_NSEMS_MAX:
761 *retval = seminfo.semmni;
762 break;
763 case SVR4_CONFIG_SEM_VALUE_MAX:
764 *retval = seminfo.semvmx;
765 break;
766 case SVR4_CONFIG_SIGQUEUE_MAX:
767 *retval = 0; /* XXX: Don't know */
768 break;
769 case SVR4_CONFIG_SIGRT_MIN:
770 case SVR4_CONFIG_SIGRT_MAX:
771 *retval = 0; /* No real time signals */
772 break;
773 case SVR4_CONFIG_TIMER_MAX:
774 *retval = 3; /* XXX: real, virtual, profiling */
775 break;
776#if defined(NOTYET)
777 case SVR4_CONFIG_PHYS_PAGES:
778#if defined(UVM)
779 *retval = uvmexp.free; /* XXX: free instead of total */
780#else
|
781 *retval = VMCNT_GET(free_count); /* XXX: free instead of total */
|
| 781 *retval = cnt.v_free_count; /* XXX: free instead of total */ |
782#endif
783 break;
784 case SVR4_CONFIG_AVPHYS_PAGES:
785#if defined(UVM)
786 *retval = uvmexp.active; /* XXX: active instead of avg */
787#else
|
788 *retval = VMCNT_GET(active_count); /* XXX: active instead of avg */
|
| 788 *retval = cnt.v_active_count; /* XXX: active instead of avg */ |
789#endif
790 break;
791#endif /* NOTYET */
792
793 default:
794 return EINVAL;
795 }
796 return 0;
797}
798
799/* ARGSUSED */
800int
801svr4_sys_break(td, uap)
802 struct thread *td;
803 struct svr4_sys_break_args *uap;
804{
805 struct obreak_args ap;
806
807 ap.nsize = uap->nsize;
808 return (obreak(td, &ap));
809}
810
811static __inline clock_t
812timeval_to_clock_t(tv)
813 struct timeval *tv;
814{
815 return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz);
816}
817
818
819int
820svr4_sys_times(td, uap)
821 struct thread *td;
822 struct svr4_sys_times_args *uap;
823{
824 struct timeval tv, utime, stime, cutime, cstime;
825 struct tms tms;
826 struct proc *p;
827 int error;
828
829 p = td->td_proc;
830 PROC_LOCK(p);
831 calcru(p, &utime, &stime);
832 calccru(p, &cutime, &cstime);
833 PROC_UNLOCK(p);
834
835 tms.tms_utime = timeval_to_clock_t(&utime);
836 tms.tms_stime = timeval_to_clock_t(&stime);
837
838 tms.tms_cutime = timeval_to_clock_t(&cutime);
839 tms.tms_cstime = timeval_to_clock_t(&cstime);
840
841 error = copyout(&tms, uap->tp, sizeof(tms));
842 if (error)
843 return (error);
844
845 microtime(&tv);
846 td->td_retval[0] = (int)timeval_to_clock_t(&tv);
847 return (0);
848}
849
850
851int
852svr4_sys_ulimit(td, uap)
853 struct thread *td;
854 struct svr4_sys_ulimit_args *uap;
855{
856 int *retval = td->td_retval;
857 int error;
858
859 switch (uap->cmd) {
860 case SVR4_GFILLIM:
861 PROC_LOCK(td->td_proc);
862 *retval = lim_cur(td->td_proc, RLIMIT_FSIZE) / 512;
863 PROC_UNLOCK(td->td_proc);
864 if (*retval == -1)
865 *retval = 0x7fffffff;
866 return 0;
867
868 case SVR4_SFILLIM:
869 {
870 struct rlimit krl;
871
872 krl.rlim_cur = uap->newlimit * 512;
873 PROC_LOCK(td->td_proc);
874 krl.rlim_max = lim_max(td->td_proc, RLIMIT_FSIZE);
875 PROC_UNLOCK(td->td_proc);
876
877 error = kern_setrlimit(td, RLIMIT_FSIZE, &krl);
878 if (error)
879 return error;
880
881 PROC_LOCK(td->td_proc);
882 *retval = lim_cur(td->td_proc, RLIMIT_FSIZE);
883 PROC_UNLOCK(td->td_proc);
884 if (*retval == -1)
885 *retval = 0x7fffffff;
886 return 0;
887 }
888
889 case SVR4_GMEMLIM:
890 {
891 struct vmspace *vm = td->td_proc->p_vmspace;
892 register_t r;
893
894 PROC_LOCK(td->td_proc);
895 r = lim_cur(td->td_proc, RLIMIT_DATA);
896 PROC_UNLOCK(td->td_proc);
897
898 if (r == -1)
899 r = 0x7fffffff;
900 mtx_lock(&Giant); /* XXX */
901 r += (long) vm->vm_daddr;
902 mtx_unlock(&Giant);
903 if (r < 0)
904 r = 0x7fffffff;
905 *retval = r;
906 return 0;
907 }
908
909 case SVR4_GDESLIM:
910 PROC_LOCK(td->td_proc);
911 *retval = lim_cur(td->td_proc, RLIMIT_NOFILE);
912 PROC_UNLOCK(td->td_proc);
913 if (*retval == -1)
914 *retval = 0x7fffffff;
915 return 0;
916
917 default:
918 return EINVAL;
919 }
920}
921
922static struct proc *
923svr4_pfind(pid)
924 pid_t pid;
925{
926 struct proc *p;
927
928 /* look in the live processes */
929 if ((p = pfind(pid)) == NULL)
930 /* look in the zombies */
931 p = zpfind(pid);
932
933 return p;
934}
935
936
937int
938svr4_sys_pgrpsys(td, uap)
939 struct thread *td;
940 struct svr4_sys_pgrpsys_args *uap;
941{
942 int *retval = td->td_retval;
943 struct proc *p = td->td_proc;
944
945 switch (uap->cmd) {
946 case 1: /* setpgrp() */
947 /*
948 * SVR4 setpgrp() (which takes no arguments) has the
949 * semantics that the session ID is also created anew, so
950 * in almost every sense, setpgrp() is identical to
951 * setsid() for SVR4. (Under BSD, the difference is that
952 * a setpgid(0,0) will not create a new session.)
953 */
954 setsid(td, NULL);
955 /*FALLTHROUGH*/
956
957 case 0: /* getpgrp() */
958 PROC_LOCK(p);
959 *retval = p->p_pgrp->pg_id;
960 PROC_UNLOCK(p);
961 return 0;
962
963 case 2: /* getsid(pid) */
964 if (uap->pid == 0)
965 PROC_LOCK(p);
966 else if ((p = svr4_pfind(uap->pid)) == NULL)
967 return ESRCH;
968 /*
969 * This has already been initialized to the pid of
970 * the session leader.
971 */
972 *retval = (register_t) p->p_session->s_sid;
973 PROC_UNLOCK(p);
974 return 0;
975
976 case 3: /* setsid() */
977 return setsid(td, NULL);
978
979 case 4: /* getpgid(pid) */
980
981 if (uap->pid == 0)
982 PROC_LOCK(p);
983 else if ((p = svr4_pfind(uap->pid)) == NULL)
984 return ESRCH;
985
986 *retval = (int) p->p_pgrp->pg_id;
987 PROC_UNLOCK(p);
988 return 0;
989
990 case 5: /* setpgid(pid, pgid); */
991 {
992 struct setpgid_args sa;
993
994 sa.pid = uap->pid;
995 sa.pgid = uap->pgid;
996 return setpgid(td, &sa);
997 }
998
999 default:
1000 return EINVAL;
1001 }
1002}
1003
1004struct svr4_hrtcntl_args {
1005 int cmd;
1006 int fun;
1007 int clk;
1008 svr4_hrt_interval_t * iv;
1009 svr4_hrt_time_t * ti;
1010};
1011
1012
1013static int
1014svr4_hrtcntl(td, uap, retval)
1015 struct thread *td;
1016 struct svr4_hrtcntl_args *uap;
1017 register_t *retval;
1018{
1019 switch (uap->fun) {
1020 case SVR4_HRT_CNTL_RES:
1021 DPRINTF(("htrcntl(RES)\n"));
1022 *retval = SVR4_HRT_USEC;
1023 return 0;
1024
1025 case SVR4_HRT_CNTL_TOFD:
1026 DPRINTF(("htrcntl(TOFD)\n"));
1027 {
1028 struct timeval tv;
1029 svr4_hrt_time_t t;
1030 if (uap->clk != SVR4_HRT_CLK_STD) {
1031 DPRINTF(("clk == %d\n", uap->clk));
1032 return EINVAL;
1033 }
1034 if (uap->ti == NULL) {
1035 DPRINTF(("ti NULL\n"));
1036 return EINVAL;
1037 }
1038 microtime(&tv);
1039 t.h_sec = tv.tv_sec;
1040 t.h_rem = tv.tv_usec;
1041 t.h_res = SVR4_HRT_USEC;
1042 return copyout(&t, uap->ti, sizeof(t));
1043 }
1044
1045 case SVR4_HRT_CNTL_START:
1046 DPRINTF(("htrcntl(START)\n"));
1047 return ENOSYS;
1048
1049 case SVR4_HRT_CNTL_GET:
1050 DPRINTF(("htrcntl(GET)\n"));
1051 return ENOSYS;
1052 default:
1053 DPRINTF(("Bad htrcntl command %d\n", uap->fun));
1054 return ENOSYS;
1055 }
1056}
1057
1058
1059int
1060svr4_sys_hrtsys(td, uap)
1061 struct thread *td;
1062 struct svr4_sys_hrtsys_args *uap;
1063{
1064 int *retval = td->td_retval;
1065
1066 switch (uap->cmd) {
1067 case SVR4_HRT_CNTL:
1068 return svr4_hrtcntl(td, (struct svr4_hrtcntl_args *) uap,
1069 retval);
1070
1071 case SVR4_HRT_ALRM:
1072 DPRINTF(("hrtalarm\n"));
1073 return ENOSYS;
1074
1075 case SVR4_HRT_SLP:
1076 DPRINTF(("hrtsleep\n"));
1077 return ENOSYS;
1078
1079 case SVR4_HRT_CAN:
1080 DPRINTF(("hrtcancel\n"));
1081 return ENOSYS;
1082
1083 default:
1084 DPRINTF(("Bad hrtsys command %d\n", uap->cmd));
1085 return EINVAL;
1086 }
1087}
1088
1089
1090static int
1091svr4_setinfo(pid, ru, st, s)
1092 pid_t pid;
1093 struct rusage *ru;
1094 int st;
1095 svr4_siginfo_t *s;
1096{
1097 svr4_siginfo_t i;
1098 int sig;
1099
1100 memset(&i, 0, sizeof(i));
1101
1102 i.svr4_si_signo = SVR4_SIGCHLD;
1103 i.svr4_si_errno = 0; /* XXX? */
1104
1105 i.svr4_si_pid = pid;
1106 if (ru) {
1107 i.svr4_si_stime = ru->ru_stime.tv_sec;
1108 i.svr4_si_utime = ru->ru_utime.tv_sec;
1109 }
1110
1111 if (WIFEXITED(st)) {
1112 i.svr4_si_status = WEXITSTATUS(st);
1113 i.svr4_si_code = SVR4_CLD_EXITED;
1114 } else if (WIFSTOPPED(st)) {
1115 sig = WSTOPSIG(st);
1116 if (sig >= 0 && sig < NSIG)
1117 i.svr4_si_status = SVR4_BSD2SVR4_SIG(sig);
1118
1119 if (i.svr4_si_status == SVR4_SIGCONT)
1120 i.svr4_si_code = SVR4_CLD_CONTINUED;
1121 else
1122 i.svr4_si_code = SVR4_CLD_STOPPED;
1123 } else {
1124 sig = WTERMSIG(st);
1125 if (sig >= 0 && sig < NSIG)
1126 i.svr4_si_status = SVR4_BSD2SVR4_SIG(sig);
1127
1128 if (WCOREDUMP(st))
1129 i.svr4_si_code = SVR4_CLD_DUMPED;
1130 else
1131 i.svr4_si_code = SVR4_CLD_KILLED;
1132 }
1133
1134 DPRINTF(("siginfo [pid %ld signo %d code %d errno %d status %d]\n",
1135 i.svr4_si_pid, i.svr4_si_signo, i.svr4_si_code, i.svr4_si_errno,
1136 i.svr4_si_status));
1137
1138 return copyout(&i, s, sizeof(i));
1139}
1140
1141
1142int
1143svr4_sys_waitsys(td, uap)
1144 struct thread *td;
1145 struct svr4_sys_waitsys_args *uap;
1146{
1147 struct rusage ru;
1148 pid_t pid;
1149 int nfound, status;
1150 int error, *retval = td->td_retval;
1151 struct proc *p, *q;
1152
1153 DPRINTF(("waitsys(%d, %d, %p, %x)\n",
1154 uap->grp, uap->id,
1155 uap->info, uap->options));
1156
1157 q = td->td_proc;
1158 switch (uap->grp) {
1159 case SVR4_P_PID:
1160 pid = uap->id;
1161 break;
1162
1163 case SVR4_P_PGID:
1164 PROC_LOCK(q);
1165 pid = -q->p_pgid;
1166 PROC_UNLOCK(q);
1167 break;
1168
1169 case SVR4_P_ALL:
1170 pid = WAIT_ANY;
1171 break;
1172
1173 default:
1174 return EINVAL;
1175 }
1176
1177 /* Hand off the easy cases to kern_wait(). */
1178 if (!(uap->options & (SVR4_WNOWAIT)) &&
1179 (uap->options & (SVR4_WEXITED | SVR4_WTRAPPED))) {
1180 int options;
1181
1182 options = 0;
1183 if (uap->options & SVR4_WSTOPPED)
1184 options |= WUNTRACED;
1185 if (uap->options & SVR4_WCONTINUED)
1186 options |= WCONTINUED;
1187 if (uap->options & SVR4_WNOHANG)
1188 options |= WNOHANG;
1189
1190 error = kern_wait(td, pid, &status, options, &ru);
1191 if (error)
1192 return (error);
1193 if (uap->options & SVR4_WNOHANG && *retval == 0)
1194 error = svr4_setinfo(*retval, NULL, 0, uap->info);
1195 else
1196 error = svr4_setinfo(*retval, &ru, status, uap->info);
1197 *retval = 0;
1198 return (error);
1199 }
1200
1201 /*
1202 * Ok, handle the weird cases. Either WNOWAIT is set (meaning we
1203 * just want to see if there is a process to harvest, we dont'
1204 * want to actually harvest it), or WEXIT and WTRAPPED are clear
1205 * meaning we want to ignore zombies. Either way, we don't have
1206 * to handle harvesting zombies here. We do have to duplicate the
1207 * other portions of kern_wait() though, especially for the
1208 * WCONTINUED and WSTOPPED.
1209 */
1210loop:
1211 nfound = 0;
1212 sx_slock(&proctree_lock);
1213 LIST_FOREACH(p, &q->p_children, p_sibling) {
1214 PROC_LOCK(p);
1215 if (pid != WAIT_ANY &&
1216 p->p_pid != pid && p->p_pgid != -pid) {
1217 PROC_UNLOCK(p);
1218 DPRINTF(("pid %d pgid %d != %d\n", p->p_pid,
1219 p->p_pgid, pid));
1220 continue;
1221 }
1222 if (p_canwait(td, p)) {
1223 PROC_UNLOCK(p);
1224 continue;
1225 }
1226
1227 nfound++;
1228
1229 /*
1230 * See if we have a zombie. If so, WNOWAIT should be set,
1231 * as otherwise we should have called kern_wait() up above.
1232 */
1233 if ((p->p_state == PRS_ZOMBIE) &&
1234 ((uap->options & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
1235 KASSERT(uap->options & SVR4_WNOWAIT,
1236 ("WNOWAIT is clear"));
1237
1238 /* Found a zombie, so cache info in local variables. */
1239 pid = p->p_pid;
1240 status = p->p_xstat;
1241 ru = *p->p_ru;
1242 calcru(p, &ru.ru_utime, &ru.ru_stime);
1243 PROC_UNLOCK(p);
1244 sx_sunlock(&proctree_lock);
1245
1246 /* Copy the info out to userland. */
1247 *retval = 0;
1248 DPRINTF(("found %d\n", pid));
1249 return (svr4_setinfo(pid, &ru, status, uap->info));
1250 }
1251
1252 /*
1253 * See if we have a stopped or continued process.
1254 * XXX: This duplicates the same code in kern_wait().
1255 */
1256 mtx_lock_spin(&sched_lock);
1257 if ((p->p_flag & P_STOPPED_SIG) &&
1258 (p->p_suspcount == p->p_numthreads) &&
1259 (p->p_flag & P_WAITED) == 0 &&
1260 (p->p_flag & P_TRACED || uap->options & SVR4_WSTOPPED)) {
1261 mtx_unlock_spin(&sched_lock);
1262 if (((uap->options & SVR4_WNOWAIT)) == 0)
1263 p->p_flag |= P_WAITED;
1264 sx_sunlock(&proctree_lock);
1265 pid = p->p_pid;
1266 status = W_STOPCODE(p->p_xstat);
1267 ru = *p->p_ru;
1268 calcru(p, &ru.ru_utime, &ru.ru_stime);
1269 PROC_UNLOCK(p);
1270
1271 if (((uap->options & SVR4_WNOWAIT)) == 0) {
1272 PROC_LOCK(q);
1273 sigqueue_take(p->p_ksi);
1274 PROC_UNLOCK(q);
1275 }
1276
1277 *retval = 0;
1278 DPRINTF(("jobcontrol %d\n", pid));
1279 return (svr4_setinfo(pid, &ru, status, uap->info));
1280 }
1281 mtx_unlock_spin(&sched_lock);
1282 if (uap->options & SVR4_WCONTINUED &&
1283 (p->p_flag & P_CONTINUED)) {
1284 sx_sunlock(&proctree_lock);
1285 if (((uap->options & SVR4_WNOWAIT)) == 0)
1286 p->p_flag &= ~P_CONTINUED;
1287 pid = p->p_pid;
1288 ru = *p->p_ru;
1289 status = SIGCONT;
1290 calcru(p, &ru.ru_utime, &ru.ru_stime);
1291 PROC_UNLOCK(p);
1292
1293 if (((uap->options & SVR4_WNOWAIT)) == 0) {
1294 PROC_LOCK(q);
1295 sigqueue_take(p->p_ksi);
1296 PROC_UNLOCK(q);
1297 }
1298
1299 *retval = 0;
1300 DPRINTF(("jobcontrol %d\n", pid));
1301 return (svr4_setinfo(pid, &ru, status, uap->info));
1302 }
1303 PROC_UNLOCK(p);
1304 }
1305
1306 if (nfound == 0) {
1307 sx_sunlock(&proctree_lock);
1308 return (ECHILD);
1309 }
1310
1311 if (uap->options & SVR4_WNOHANG) {
1312 sx_sunlock(&proctree_lock);
1313 *retval = 0;
1314 return (svr4_setinfo(0, NULL, 0, uap->info));
1315 }
1316
1317 PROC_LOCK(q);
1318 sx_sunlock(&proctree_lock);
1319 if (q->p_flag & P_STATCHILD) {
1320 q->p_flag &= ~P_STATCHILD;
1321 error = 0;
1322 } else
1323 error = msleep(q, &q->p_mtx, PWAIT | PCATCH, "svr4_wait", 0);
1324 PROC_UNLOCK(q);
1325 if (error)
1326 return error;
1327 goto loop;
1328}
1329
1330
1331static void
1332bsd_statfs_to_svr4_statvfs(bfs, sfs)
1333 const struct statfs *bfs;
1334 struct svr4_statvfs *sfs;
1335{
1336 sfs->f_bsize = bfs->f_iosize; /* XXX */
1337 sfs->f_frsize = bfs->f_bsize;
1338 sfs->f_blocks = bfs->f_blocks;
1339 sfs->f_bfree = bfs->f_bfree;
1340 sfs->f_bavail = bfs->f_bavail;
1341 sfs->f_files = bfs->f_files;
1342 sfs->f_ffree = bfs->f_ffree;
1343 sfs->f_favail = bfs->f_ffree;
1344 sfs->f_fsid = bfs->f_fsid.val[0];
1345 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1346 sfs->f_flag = 0;
1347 if (bfs->f_flags & MNT_RDONLY)
1348 sfs->f_flag |= SVR4_ST_RDONLY;
1349 if (bfs->f_flags & MNT_NOSUID)
1350 sfs->f_flag |= SVR4_ST_NOSUID;
1351 sfs->f_namemax = MAXNAMLEN;
1352 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1353 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1354}
1355
1356
1357static void
1358bsd_statfs_to_svr4_statvfs64(bfs, sfs)
1359 const struct statfs *bfs;
1360 struct svr4_statvfs64 *sfs;
1361{
1362 sfs->f_bsize = bfs->f_iosize; /* XXX */
1363 sfs->f_frsize = bfs->f_bsize;
1364 sfs->f_blocks = bfs->f_blocks;
1365 sfs->f_bfree = bfs->f_bfree;
1366 sfs->f_bavail = bfs->f_bavail;
1367 sfs->f_files = bfs->f_files;
1368 sfs->f_ffree = bfs->f_ffree;
1369 sfs->f_favail = bfs->f_ffree;
1370 sfs->f_fsid = bfs->f_fsid.val[0];
1371 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1372 sfs->f_flag = 0;
1373 if (bfs->f_flags & MNT_RDONLY)
1374 sfs->f_flag |= SVR4_ST_RDONLY;
1375 if (bfs->f_flags & MNT_NOSUID)
1376 sfs->f_flag |= SVR4_ST_NOSUID;
1377 sfs->f_namemax = MAXNAMLEN;
1378 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1379 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1380}
1381
1382
1383int
1384svr4_sys_statvfs(td, uap)
1385 struct thread *td;
1386 struct svr4_sys_statvfs_args *uap;
1387{
1388 struct svr4_statvfs sfs;
1389 struct statfs bfs;
1390 char *path;
1391 int error;
1392
1393 CHECKALTEXIST(td, uap->path, &path);
1394
1395 error = kern_statfs(td, path, UIO_SYSSPACE, &bfs);
1396 free(path, M_TEMP);
1397 if (error)
1398 return (error);
1399 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1400 return copyout(&sfs, uap->fs, sizeof(sfs));
1401}
1402
1403
1404int
1405svr4_sys_fstatvfs(td, uap)
1406 struct thread *td;
1407 struct svr4_sys_fstatvfs_args *uap;
1408{
1409 struct svr4_statvfs sfs;
1410 struct statfs bfs;
1411 int error;
1412
1413 error = kern_fstatfs(td, uap->fd, &bfs);
1414 if (error)
1415 return (error);
1416 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1417 return copyout(&sfs, uap->fs, sizeof(sfs));
1418}
1419
1420
1421int
1422svr4_sys_statvfs64(td, uap)
1423 struct thread *td;
1424 struct svr4_sys_statvfs64_args *uap;
1425{
1426 struct svr4_statvfs64 sfs;
1427 struct statfs bfs;
1428 char *path;
1429 int error;
1430
1431 CHECKALTEXIST(td, uap->path, &path);
1432
1433 error = kern_statfs(td, path, UIO_SYSSPACE, &bfs);
1434 free(path, M_TEMP);
1435 if (error)
1436 return (error);
1437 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1438 return copyout(&sfs, uap->fs, sizeof(sfs));
1439}
1440
1441
1442int
1443svr4_sys_fstatvfs64(td, uap)
1444 struct thread *td;
1445 struct svr4_sys_fstatvfs64_args *uap;
1446{
1447 struct svr4_statvfs64 sfs;
1448 struct statfs bfs;
1449 int error;
1450
1451 error = kern_fstatfs(td, uap->fd, &bfs);
1452 if (error)
1453 return (error);
1454 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1455 return copyout(&sfs, uap->fs, sizeof(sfs));
1456}
1457
1458int
1459svr4_sys_alarm(td, uap)
1460 struct thread *td;
1461 struct svr4_sys_alarm_args *uap;
1462{
1463 struct itimerval itv, oitv;
1464 int error;
1465
1466 timevalclear(&itv.it_interval);
1467 itv.it_value.tv_sec = uap->sec;
1468 itv.it_value.tv_usec = 0;
1469 error = kern_setitimer(td, ITIMER_REAL, &itv, &oitv);
1470 if (error)
1471 return (error);
1472 if (oitv.it_value.tv_usec != 0)
1473 oitv.it_value.tv_sec++;
1474 td->td_retval[0] = oitv.it_value.tv_sec;
1475 return (0);
1476}
1477
1478int
1479svr4_sys_gettimeofday(td, uap)
1480 struct thread *td;
1481 struct svr4_sys_gettimeofday_args *uap;
1482{
1483 if (uap->tp) {
1484 struct timeval atv;
1485
1486 microtime(&atv);
1487 return copyout(&atv, uap->tp, sizeof (atv));
1488 }
1489
1490 return 0;
1491}
1492
1493int
1494svr4_sys_facl(td, uap)
1495 struct thread *td;
1496 struct svr4_sys_facl_args *uap;
1497{
1498 int *retval;
1499
1500 retval = td->td_retval;
1501 *retval = 0;
1502
1503 switch (uap->cmd) {
1504 case SVR4_SYS_SETACL:
1505 /* We don't support acls on any filesystem */
1506 return ENOSYS;
1507
1508 case SVR4_SYS_GETACL:
1509 return copyout(retval, &uap->num,
1510 sizeof(uap->num));
1511
1512 case SVR4_SYS_GETACLCNT:
1513 return 0;
1514
1515 default:
1516 return EINVAL;
1517 }
1518}
1519
1520
1521int
1522svr4_sys_acl(td, uap)
1523 struct thread *td;
1524 struct svr4_sys_acl_args *uap;
1525{
1526 /* XXX: for now the same */
1527 return svr4_sys_facl(td, (struct svr4_sys_facl_args *)uap);
1528}
1529
1530int
1531svr4_sys_auditsys(td, uap)
1532 struct thread *td;
1533 struct svr4_sys_auditsys_args *uap;
1534{
1535 /*
1536 * XXX: Big brother is *not* watching.
1537 */
1538 return 0;
1539}
1540
1541int
1542svr4_sys_memcntl(td, uap)
1543 struct thread *td;
1544 struct svr4_sys_memcntl_args *uap;
1545{
1546 switch (uap->cmd) {
1547 case SVR4_MC_SYNC:
1548 {
1549 struct msync_args msa;
1550
1551 msa.addr = uap->addr;
1552 msa.len = uap->len;
1553 msa.flags = (int)uap->arg;
1554
1555 return msync(td, &msa);
1556 }
1557 case SVR4_MC_ADVISE:
1558 {
1559 struct madvise_args maa;
1560
1561 maa.addr = uap->addr;
1562 maa.len = uap->len;
1563 maa.behav = (int)uap->arg;
1564
1565 return madvise(td, &maa);
1566 }
1567 case SVR4_MC_LOCK:
1568 case SVR4_MC_UNLOCK:
1569 case SVR4_MC_LOCKAS:
1570 case SVR4_MC_UNLOCKAS:
1571 return EOPNOTSUPP;
1572 default:
1573 return ENOSYS;
1574 }
1575}
1576
1577
1578int
1579svr4_sys_nice(td, uap)
1580 struct thread *td;
1581 struct svr4_sys_nice_args *uap;
1582{
1583 struct setpriority_args ap;
1584 int error;
1585
1586 ap.which = PRIO_PROCESS;
1587 ap.who = 0;
1588 ap.prio = uap->prio;
1589
1590 if ((error = setpriority(td, &ap)) != 0)
1591 return error;
1592
1593 /* the cast is stupid, but the structures are the same */
1594 if ((error = getpriority(td, (struct getpriority_args *)&ap)) != 0)
1595 return error;
1596
1597 return 0;
1598}
1599
1600int
1601svr4_sys_resolvepath(td, uap)
1602 struct thread *td;
1603 struct svr4_sys_resolvepath_args *uap;
1604{
1605 struct nameidata nd;
1606 int error, *retval = td->td_retval;
1607 unsigned int ncopy;
1608 int vfslocked;
1609
1610 NDINIT(&nd, LOOKUP, NOFOLLOW | SAVENAME | MPSAFE, UIO_USERSPACE,
1611 uap->path, td);
1612
1613 if ((error = namei(&nd)) != 0)
1614 return error;
1615 vfslocked = NDHASGIANT(&nd);
1616
1617 ncopy = min(uap->bufsiz, strlen(nd.ni_cnd.cn_pnbuf) + 1);
1618 if ((error = copyout(nd.ni_cnd.cn_pnbuf, uap->buf, ncopy)) != 0)
1619 goto bad;
1620
1621 *retval = ncopy;
1622bad:
1623 NDFREE(&nd, NDF_ONLY_PNBUF);
1624 vput(nd.ni_vp);
1625 VFS_UNLOCK_GIANT(vfslocked);
1626 return error;
1627}
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