proc->thread stage 3.5: Add an IO_CORE flag so coda doesn't have to dig
[dragonfly.git] / sys / emulation / svr4 / svr4_misc.c
CommitLineData
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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 * $FreeBSD: src/sys/svr4/svr4_misc.c,v 1.13.2.7 2003/01/14 21:33:58 dillon Exp $
41c20dac 29 * $DragonFly: src/sys/emulation/svr4/Attic/svr4_misc.c,v 1.3 2003/06/23 17:55:49 dillon Exp $
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30 */
31
32/*
33 * SVR4 compatibility module.
34 *
35 * SVR4 system calls that are implemented differently in BSD are
36 * handled here.
37 */
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/namei.h>
42#include <sys/dirent.h>
43#include <sys/malloc.h>
44#include <sys/proc.h>
45#include <sys/file.h>
46#include <sys/stat.h>
47#include <sys/time.h>
48#include <sys/file.h>
49#include <sys/filedesc.h>
50#include <sys/kernel.h>
51#include <sys/mman.h>
52#include <sys/mount.h>
53#include <sys/resource.h>
54#include <sys/resourcevar.h>
55#include <sys/vnode.h>
56#include <sys/uio.h>
57#include <sys/wait.h>
58#include <sys/times.h>
59#include <sys/fcntl.h>
60#include <sys/sem.h>
61#include <sys/msg.h>
62#include <sys/ptrace.h>
63#include <vm/vm_zone.h>
64
65#include <sys/sysproto.h>
66
67#include <svr4/svr4.h>
68#include <svr4/svr4_types.h>
69#include <svr4/svr4_signal.h>
70#include <svr4/svr4_proto.h>
71#include <svr4/svr4_util.h>
72#include <svr4/svr4_sysconfig.h>
73#include <svr4/svr4_dirent.h>
74#include <svr4/svr4_acl.h>
75#include <svr4/svr4_ulimit.h>
76#include <svr4/svr4_statvfs.h>
77#include <svr4/svr4_hrt.h>
78#include <svr4/svr4_mman.h>
79#include <svr4/svr4_wait.h>
80
81#include <machine/vmparam.h>
82#include <vm/vm.h>
83#include <vm/vm_param.h>
84#include <vm/vm_map.h>
85
86#if defined(__FreeBSD__)
87#include <vm/vm_extern.h>
88#endif
89
90#if defined(NetBSD)
91# if defined(UVM)
92# include <uvm/uvm_extern.h>
93# endif
94#endif
95
96#define BSD_DIRENT(cp) ((struct dirent *)(cp))
97
41c20dac 98static int svr4_mknod __P((register_t *, char *, svr4_mode_t, svr4_dev_t));
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99
100static __inline clock_t timeval_to_clock_t __P((struct timeval *));
101static int svr4_setinfo __P((struct proc *, int, svr4_siginfo_t *));
102
103struct svr4_hrtcntl_args;
41c20dac 104static int svr4_hrtcntl __P((struct svr4_hrtcntl_args *, register_t *));
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105static void bsd_statfs_to_svr4_statvfs __P((const struct statfs *,
106 struct svr4_statvfs *));
107static void bsd_statfs_to_svr4_statvfs64 __P((const struct statfs *,
108 struct svr4_statvfs64 *));
109static struct proc *svr4_pfind __P((pid_t pid));
110
111/* BOGUS noop */
112#if defined(BOGUS)
113int
41c20dac 114svr4_sys_setitimer(struct svr4_sys_setitimer_args *uap)
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115{
116 p->p_retval[0] = 0;
117 return 0;
118}
119#endif
120
121int
41c20dac 122svr4_sys_wait(struct svr4_sys_wait_args *uap)
984263bc 123{
41c20dac 124 struct proc *p = curproc;
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125 struct wait_args w4;
126 int error, *retval = p->p_retval, st, sig;
127 size_t sz = sizeof(*SCARG(&w4, status));
128
129 SCARG(&w4, rusage) = NULL;
130 SCARG(&w4, options) = 0;
131
132 if (SCARG(uap, status) == NULL) {
133 caddr_t sg = stackgap_init();
134
135 SCARG(&w4, status) = stackgap_alloc(&sg, sz);
136 }
137 else
138 SCARG(&w4, status) = SCARG(uap, status);
139
140 SCARG(&w4, pid) = WAIT_ANY;
141
41c20dac 142 if ((error = wait4(&w4)) != 0)
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143 return error;
144
145 if ((error = copyin(SCARG(&w4, status), &st, sizeof(st))) != 0)
146 return error;
147
148 if (WIFSIGNALED(st)) {
149 sig = WTERMSIG(st);
150 if (sig >= 0 && sig < NSIG)
151 st = (st & ~0177) | SVR4_BSD2SVR4_SIG(sig);
152 } else if (WIFSTOPPED(st)) {
153 sig = WSTOPSIG(st);
154 if (sig >= 0 && sig < NSIG)
155 st = (st & ~0xff00) | (SVR4_BSD2SVR4_SIG(sig) << 8);
156 }
157
158 /*
159 * It looks like wait(2) on svr4/solaris/2.4 returns
160 * the status in retval[1], and the pid on retval[0].
161 */
162 retval[1] = st;
163
164 if (SCARG(uap, status))
165 if ((error = copyout(&st, SCARG(uap, status), sizeof(st))) != 0)
166 return error;
167
168 return 0;
169}
170
171int
41c20dac 172svr4_sys_execv(struct svr4_sys_execv_args *uap)
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173{
174 struct execve_args ap;
175 caddr_t sg;
176
177 sg = stackgap_init();
41c20dac 178 CHECKALTEXIST(&sg, SCARG(uap, path));
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179
180 SCARG(&ap, fname) = SCARG(uap, path);
181 SCARG(&ap, argv) = SCARG(uap, argp);
182 SCARG(&ap, envv) = NULL;
183
41c20dac 184 return execve(&ap);
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185}
186
187int
41c20dac 188svr4_sys_execve(struct svr4_sys_execve_args *uap)
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189{
190 struct execve_args ap;
191 caddr_t sg;
192
193 sg = stackgap_init();
41c20dac 194 CHECKALTEXIST(&sg, uap->path);
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195
196 SCARG(&ap, fname) = SCARG(uap, path);
197 SCARG(&ap, argv) = SCARG(uap, argp);
198 SCARG(&ap, envv) = SCARG(uap, envp);
199
41c20dac 200 return execve(&ap);
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201}
202
203int
41c20dac 204svr4_sys_time(struct svr4_sys_time_args *v)
984263bc 205{
41c20dac 206 struct proc *p = curproc;
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207 struct svr4_sys_time_args *uap = v;
208 int error = 0;
209 struct timeval tv;
210
211 microtime(&tv);
212 if (SCARG(uap, t))
213 error = copyout(&tv.tv_sec, SCARG(uap, t),
214 sizeof(*(SCARG(uap, t))));
215 p->p_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
41c20dac 230svr4_sys_getdents64(struct svr4_sys_getdents64_args *uap)
984263bc 231{
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232 struct proc *p = curproc;
233 struct dirent *bdp;
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234 struct vnode *vp;
235 caddr_t inp, buf; /* BSD-format */
236 int len, reclen; /* BSD-format */
237 caddr_t outp; /* SVR4-format */
238 int resid, svr4reclen=0; /* SVR4-format */
239 struct file *fp;
240 struct uio auio;
241 struct iovec aiov;
242 struct vattr va;
243 off_t off;
244 struct svr4_dirent64 svr4_dirent;
245 int buflen, error, eofflag, nbytes, justone;
246 u_long *cookies = NULL, *cookiep;
247 int ncookies;
248
249 DPRINTF(("svr4_sys_getdents64(%d, *, %d)\n",
250 p->p_pid, SCARG(uap, fd), SCARG(uap, nbytes)));
251 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) {
252 return (error);
253 }
254
255 if ((fp->f_flag & FREAD) == 0)
256 return (EBADF);
257
258 vp = (struct vnode *) fp->f_data;
259
260 if (vp->v_type != VDIR)
261 return (EINVAL);
262
263 if ((error = VOP_GETATTR(vp, &va, p->p_ucred, p))) {
264 return error;
265 }
266
267 nbytes = SCARG(uap, nbytes);
268 if (nbytes == 1) {
269 nbytes = sizeof (struct svr4_dirent64);
270 justone = 1;
271 }
272 else
273 justone = 0;
274
275 off = fp->f_offset;
276#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
277 buflen = max(DIRBLKSIZ, nbytes);
278 buflen = min(buflen, MAXBSIZE);
279 buf = malloc(buflen, M_TEMP, M_WAITOK);
280 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
281again:
282 aiov.iov_base = buf;
283 aiov.iov_len = buflen;
284 auio.uio_iov = &aiov;
285 auio.uio_iovcnt = 1;
286 auio.uio_rw = UIO_READ;
287 auio.uio_segflg = UIO_SYSSPACE;
288 auio.uio_procp = p;
289 auio.uio_resid = buflen;
290 auio.uio_offset = off;
291
292 if (cookies) {
293 free(cookies, M_TEMP);
294 cookies = NULL;
295 }
296
297 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag,
298 &ncookies, &cookies);
299 if (error) {
300 goto out;
301 }
302
303 inp = buf;
304 outp = (caddr_t) SCARG(uap, dp);
305 resid = nbytes;
306 if ((len = buflen - auio.uio_resid) <= 0) {
307 goto eof;
308 }
309
310 cookiep = cookies;
311
312 if (cookies) {
313 /*
314 * When using cookies, the vfs has the option of reading from
315 * a different offset than that supplied (UFS truncates the
316 * offset to a block boundary to make sure that it never reads
317 * partway through a directory entry, even if the directory
318 * has been compacted).
319 */
320 while (len > 0 && ncookies > 0 && *cookiep <= off) {
321 bdp = (struct dirent *) inp;
322 len -= bdp->d_reclen;
323 inp += bdp->d_reclen;
324 cookiep++;
325 ncookies--;
326 }
327 }
328
329 while (len > 0) {
330 if (cookiep && ncookies == 0)
331 break;
332 bdp = (struct dirent *) inp;
333 reclen = bdp->d_reclen;
334 if (reclen & 3) {
335 DPRINTF(("svr4_readdir: reclen=%d\n", reclen));
336 error = EFAULT;
337 goto out;
338 }
339
340 if (bdp->d_fileno == 0) {
341 inp += reclen;
342 if (cookiep) {
343 off = *cookiep++;
344 ncookies--;
345 } else
346 off += reclen;
347 len -= reclen;
348 continue;
349 }
350 svr4reclen = SVR4_RECLEN(&svr4_dirent, bdp->d_namlen);
351 if (reclen > len || resid < svr4reclen) {
352 outp++;
353 break;
354 }
355 svr4_dirent.d_ino = (long) bdp->d_fileno;
356 if (justone) {
357 /*
358 * old svr4-style readdir usage.
359 */
360 svr4_dirent.d_off = (svr4_off_t) svr4reclen;
361 svr4_dirent.d_reclen = (u_short) bdp->d_namlen;
362 } else {
363 svr4_dirent.d_off = (svr4_off_t)(off + reclen);
364 svr4_dirent.d_reclen = (u_short) svr4reclen;
365 }
366 strcpy(svr4_dirent.d_name, bdp->d_name);
367 if ((error = copyout((caddr_t)&svr4_dirent, outp, svr4reclen)))
368 goto out;
369 inp += reclen;
370 if (cookiep) {
371 off = *cookiep++;
372 ncookies--;
373 } else
374 off += reclen;
375 outp += svr4reclen;
376 resid -= svr4reclen;
377 len -= reclen;
378 if (justone)
379 break;
380 }
381
382 if (outp == (caddr_t) SCARG(uap, dp))
383 goto again;
384 fp->f_offset = off;
385
386 if (justone)
387 nbytes = resid + svr4reclen;
388
389eof:
390 p->p_retval[0] = nbytes - resid;
391out:
392 if (cookies)
393 free(cookies, M_TEMP);
394 VOP_UNLOCK(vp, 0, p);
395 free(buf, M_TEMP);
396 return error;
397}
398
399
400int
41c20dac 401svr4_sys_getdents(struct svr4_sys_getdents_args *uap)
984263bc 402{
41c20dac 403 struct proc *p = curproc;
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404 struct dirent *bdp;
405 struct vnode *vp;
406 caddr_t inp, buf; /* BSD-format */
407 int len, reclen; /* BSD-format */
408 caddr_t outp; /* SVR4-format */
409 int resid, svr4_reclen; /* SVR4-format */
410 struct file *fp;
411 struct uio auio;
412 struct iovec aiov;
413 struct svr4_dirent idb;
414 off_t off; /* true file offset */
415 int buflen, error, eofflag;
416 u_long *cookiebuf = NULL, *cookie;
417 int ncookies = 0, *retval = p->p_retval;
418
419 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
420 return (error);
421
422 if ((fp->f_flag & FREAD) == 0)
423 return (EBADF);
424
425 vp = (struct vnode *)fp->f_data;
426 if (vp->v_type != VDIR)
427 return (EINVAL);
428
429 buflen = min(MAXBSIZE, SCARG(uap, nbytes));
430 buf = malloc(buflen, M_TEMP, M_WAITOK);
431 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
432 off = fp->f_offset;
433again:
434 aiov.iov_base = buf;
435 aiov.iov_len = buflen;
436 auio.uio_iov = &aiov;
437 auio.uio_iovcnt = 1;
438 auio.uio_rw = UIO_READ;
439 auio.uio_segflg = UIO_SYSSPACE;
440 auio.uio_procp = p;
441 auio.uio_resid = buflen;
442 auio.uio_offset = off;
443 /*
444 * First we read into the malloc'ed buffer, then
445 * we massage it into user space, one record at a time.
446 */
447 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies,
448 &cookiebuf);
449 if (error)
450 goto out;
451
452 inp = buf;
453 outp = SCARG(uap, buf);
454 resid = SCARG(uap, nbytes);
455 if ((len = buflen - auio.uio_resid) == 0)
456 goto eof;
457
458 for (cookie = cookiebuf; len > 0; len -= reclen) {
459 bdp = (struct dirent *)inp;
460 reclen = bdp->d_reclen;
461 if (reclen & 3)
462 panic("svr4_sys_getdents64: bad reclen");
463 off = *cookie++; /* each entry points to the next */
464 if ((off >> 32) != 0) {
465 uprintf("svr4_sys_getdents64: dir offset too large for emulated program");
466 error = EINVAL;
467 goto out;
468 }
469 if (bdp->d_fileno == 0) {
470 inp += reclen; /* it is a hole; squish it out */
471 continue;
472 }
473 svr4_reclen = SVR4_RECLEN(&idb, bdp->d_namlen);
474 if (reclen > len || resid < svr4_reclen) {
475 /* entry too big for buffer, so just stop */
476 outp++;
477 break;
478 }
479 /*
480 * Massage in place to make a SVR4-shaped dirent (otherwise
481 * we have to worry about touching user memory outside of
482 * the copyout() call).
483 */
484 idb.d_ino = (svr4_ino_t)bdp->d_fileno;
485 idb.d_off = (svr4_off_t)off;
486 idb.d_reclen = (u_short)svr4_reclen;
487 strcpy(idb.d_name, bdp->d_name);
488 if ((error = copyout((caddr_t)&idb, outp, svr4_reclen)))
489 goto out;
490 /* advance past this real entry */
491 inp += reclen;
492 /* advance output past SVR4-shaped entry */
493 outp += svr4_reclen;
494 resid -= svr4_reclen;
495 }
496
497 /* if we squished out the whole block, try again */
498 if (outp == SCARG(uap, buf))
499 goto again;
500 fp->f_offset = off; /* update the vnode offset */
501
502eof:
503 *retval = SCARG(uap, nbytes) - resid;
504out:
505 VOP_UNLOCK(vp, 0, p);
506 if (cookiebuf)
507 free(cookiebuf, M_TEMP);
508 free(buf, M_TEMP);
509 return error;
510}
511
512
513int
41c20dac 514svr4_sys_mmap(struct svr4_sys_mmap_args *uap)
984263bc 515{
41c20dac 516 struct proc *p = curproc;
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517 struct mmap_args mm;
518 int *retval;
519
520 retval = p->p_retval;
521#define _MAP_NEW 0x80000000
522 /*
523 * Verify the arguments.
524 */
525 if (SCARG(uap, prot) & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
526 return EINVAL; /* XXX still needed? */
527
528 if (SCARG(uap, len) == 0)
529 return EINVAL;
530
531 SCARG(&mm, prot) = SCARG(uap, prot);
532 SCARG(&mm, len) = SCARG(uap, len);
533 SCARG(&mm, flags) = SCARG(uap, flags) & ~_MAP_NEW;
534 SCARG(&mm, fd) = SCARG(uap, fd);
535 SCARG(&mm, addr) = SCARG(uap, addr);
536 SCARG(&mm, pos) = SCARG(uap, pos);
537
41c20dac 538 return mmap(&mm);
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MD
539}
540
541int
41c20dac 542svr4_sys_mmap64(struct svr4_sys_mmap64_args *uap)
984263bc 543{
41c20dac 544 struct proc *p = curproc;
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545 struct mmap_args mm;
546 void *rp;
547
548#define _MAP_NEW 0x80000000
549 /*
550 * Verify the arguments.
551 */
552 if (SCARG(uap, prot) & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
553 return EINVAL; /* XXX still needed? */
554
555 if (SCARG(uap, len) == 0)
556 return EINVAL;
557
558 SCARG(&mm, prot) = SCARG(uap, prot);
559 SCARG(&mm, len) = SCARG(uap, len);
560 SCARG(&mm, flags) = SCARG(uap, flags) & ~_MAP_NEW;
561 SCARG(&mm, fd) = SCARG(uap, fd);
562 SCARG(&mm, addr) = SCARG(uap, addr);
563 SCARG(&mm, pos) = SCARG(uap, pos);
564
565 rp = (void *) round_page((vm_offset_t)(p->p_vmspace->vm_daddr + maxdsiz));
566 if ((SCARG(&mm, flags) & MAP_FIXED) == 0 &&
567 SCARG(&mm, addr) != 0 && (void *)SCARG(&mm, addr) < rp)
568 SCARG(&mm, addr) = rp;
569
41c20dac 570 return mmap(&mm);
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571}
572
573
574int
41c20dac 575svr4_sys_fchroot(struct svr4_sys_fchroot_args *uap)
984263bc 576{
41c20dac 577 struct proc *p = curproc;
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578 struct filedesc *fdp = p->p_fd;
579 struct vnode *vp;
580 struct file *fp;
581 int error;
582
41c20dac 583 if ((error = suser_xxx(p->p_ucred, 0)) != 0)
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584 return error;
585 if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0)
586 return error;
587 vp = (struct vnode *) fp->f_data;
588 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
589 if (vp->v_type != VDIR)
590 error = ENOTDIR;
591 else
592 error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
593 VOP_UNLOCK(vp, 0, p);
594 if (error)
595 return error;
596 VREF(vp);
597 if (fdp->fd_rdir != NULL)
598 vrele(fdp->fd_rdir);
599 fdp->fd_rdir = vp;
600 return 0;
601}
602
603
604static int
41c20dac 605svr4_mknod(retval, path, mode, dev)
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606 register_t *retval;
607 char *path;
608 svr4_mode_t mode;
609 svr4_dev_t dev;
610{
611 caddr_t sg = stackgap_init();
612
41c20dac 613 CHECKALTEXIST(&sg, path);
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614
615 if (S_ISFIFO(mode)) {
616 struct mkfifo_args ap;
617 SCARG(&ap, path) = path;
618 SCARG(&ap, mode) = mode;
41c20dac 619 return mkfifo(&ap);
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620 } else {
621 struct mknod_args ap;
622 SCARG(&ap, path) = path;
623 SCARG(&ap, mode) = mode;
624 SCARG(&ap, dev) = dev;
41c20dac 625 return mknod(&ap);
984263bc
MD
626 }
627}
628
629
630int
41c20dac 631svr4_sys_mknod(struct svr4_sys_mknod_args *uap)
984263bc 632{
41c20dac
MD
633 struct proc *p = curproc;
634
984263bc 635 int *retval = p->p_retval;
41c20dac 636 return svr4_mknod(retval, SCARG(uap, path), SCARG(uap, mode),
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637 (svr4_dev_t)svr4_to_bsd_odev_t(SCARG(uap, dev)));
638}
639
640
641int
41c20dac 642svr4_sys_xmknod(struct svr4_sys_xmknod_args *uap)
984263bc 643{
41c20dac 644 struct proc *p = curproc;
984263bc 645 int *retval = p->p_retval;
41c20dac 646 return svr4_mknod(retval, SCARG(uap, path), SCARG(uap, mode),
984263bc
MD
647 (svr4_dev_t)svr4_to_bsd_dev_t(SCARG(uap, dev)));
648}
649
650
651int
41c20dac 652svr4_sys_vhangup(struct svr4_sys_vhangup_args *uap)
984263bc
MD
653{
654 return 0;
655}
656
657
658int
41c20dac 659svr4_sys_sysconfig(struct svr4_sys_sysconfig_args *uap)
984263bc 660{
41c20dac 661 struct proc *p = curproc;
984263bc
MD
662 int *retval;
663
664 retval = &(p->p_retval[0]);
665
666 switch (SCARG(uap, name)) {
667 case SVR4_CONFIG_UNUSED:
668 *retval = 0;
669 break;
670 case SVR4_CONFIG_NGROUPS:
671 *retval = NGROUPS_MAX;
672 break;
673 case SVR4_CONFIG_CHILD_MAX:
674 *retval = maxproc;
675 break;
676 case SVR4_CONFIG_OPEN_FILES:
677 *retval = maxfiles;
678 break;
679 case SVR4_CONFIG_POSIX_VER:
680 *retval = 198808;
681 break;
682 case SVR4_CONFIG_PAGESIZE:
683 *retval = PAGE_SIZE;
684 break;
685 case SVR4_CONFIG_CLK_TCK:
686 *retval = 60; /* should this be `hz', ie. 100? */
687 break;
688 case SVR4_CONFIG_XOPEN_VER:
689 *retval = 2; /* XXX: What should that be? */
690 break;
691 case SVR4_CONFIG_PROF_TCK:
692 *retval = 60; /* XXX: What should that be? */
693 break;
694 case SVR4_CONFIG_NPROC_CONF:
695 *retval = 1; /* Only one processor for now */
696 break;
697 case SVR4_CONFIG_NPROC_ONLN:
698 *retval = 1; /* And it better be online */
699 break;
700 case SVR4_CONFIG_AIO_LISTIO_MAX:
701 case SVR4_CONFIG_AIO_MAX:
702 case SVR4_CONFIG_AIO_PRIO_DELTA_MAX:
703 *retval = 0; /* No aio support */
704 break;
705 case SVR4_CONFIG_DELAYTIMER_MAX:
706 *retval = 0; /* No delaytimer support */
707 break;
708 case SVR4_CONFIG_MQ_OPEN_MAX:
709 *retval = msginfo.msgmni;
710 break;
711 case SVR4_CONFIG_MQ_PRIO_MAX:
712 *retval = 0; /* XXX: Don't know */
713 break;
714 case SVR4_CONFIG_RTSIG_MAX:
715 *retval = 0;
716 break;
717 case SVR4_CONFIG_SEM_NSEMS_MAX:
718 *retval = seminfo.semmni;
719 break;
720 case SVR4_CONFIG_SEM_VALUE_MAX:
721 *retval = seminfo.semvmx;
722 break;
723 case SVR4_CONFIG_SIGQUEUE_MAX:
724 *retval = 0; /* XXX: Don't know */
725 break;
726 case SVR4_CONFIG_SIGRT_MIN:
727 case SVR4_CONFIG_SIGRT_MAX:
728 *retval = 0; /* No real time signals */
729 break;
730 case SVR4_CONFIG_TIMER_MAX:
731 *retval = 3; /* XXX: real, virtual, profiling */
732 break;
733#if defined(NOTYET)
734 case SVR4_CONFIG_PHYS_PAGES:
735#if defined(UVM)
736 *retval = uvmexp.free; /* XXX: free instead of total */
737#else
738 *retval = cnt.v_free_count; /* XXX: free instead of total */
739#endif
740 break;
741 case SVR4_CONFIG_AVPHYS_PAGES:
742#if defined(UVM)
743 *retval = uvmexp.active; /* XXX: active instead of avg */
744#else
745 *retval = cnt.v_active_count; /* XXX: active instead of avg */
746#endif
747 break;
748#endif /* NOTYET */
749
750 default:
751 return EINVAL;
752 }
753 return 0;
754}
755
756extern int swap_pager_full;
757
758/* ARGSUSED */
759int
41c20dac 760svr4_sys_break(struct svr4_sys_break_args *uap)
984263bc 761{
41c20dac 762 struct proc *p = curproc;
984263bc
MD
763 struct vmspace *vm = p->p_vmspace;
764 vm_offset_t new, old, base, ns;
765 int rv;
766
767 base = round_page((vm_offset_t) vm->vm_daddr);
768 ns = (vm_offset_t)SCARG(uap, nsize);
769 new = round_page(ns);
770 if (new > base) {
771 if ((new - base) > (unsigned) p->p_rlimit[RLIMIT_DATA].rlim_cur) {
772 return ENOMEM;
773 }
774 if (new >= VM_MAXUSER_ADDRESS) {
775 return (ENOMEM);
776 }
777 } else if (new < base) {
778 /*
779 * This is simply an invalid value. If someone wants to
780 * do fancy address space manipulations, mmap and munmap
781 * can do most of what the user would want.
782 */
783 return EINVAL;
784 }
785
786 old = base + ctob(vm->vm_dsize);
787
788 if (new > old) {
789 vm_size_t diff;
790 diff = new - old;
791 if (vm->vm_map.size + diff > p->p_rlimit[RLIMIT_VMEM].rlim_cur)
792 return(ENOMEM);
793 rv = vm_map_find(&vm->vm_map, NULL, 0, &old, diff, FALSE,
794 VM_PROT_ALL, VM_PROT_ALL, 0);
795 if (rv != KERN_SUCCESS) {
796 return (ENOMEM);
797 }
798 vm->vm_dsize += btoc(diff);
799 } else if (new < old) {
800 rv = vm_map_remove(&vm->vm_map, new, old);
801 if (rv != KERN_SUCCESS) {
802 return (ENOMEM);
803 }
804 vm->vm_dsize -= btoc(old - new);
805 }
806
807 return (0);
808}
809
810static __inline clock_t
811timeval_to_clock_t(tv)
812 struct timeval *tv;
813{
814 return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz);
815}
816
817
818int
41c20dac 819svr4_sys_times(struct svr4_sys_times_args *uap)
984263bc 820{
41c20dac 821 struct proc *p = curproc;
984263bc
MD
822 int error, *retval = p->p_retval;
823 struct tms tms;
824 struct timeval t;
825 struct rusage *ru;
826 struct rusage r;
827 struct getrusage_args ga;
828
829 caddr_t sg = stackgap_init();
830 ru = stackgap_alloc(&sg, sizeof(struct rusage));
831
832 SCARG(&ga, who) = RUSAGE_SELF;
833 SCARG(&ga, rusage) = ru;
834
41c20dac 835 error = getrusage(&ga);
984263bc
MD
836 if (error)
837 return error;
838
839 if ((error = copyin(ru, &r, sizeof r)) != 0)
840 return error;
841
842 tms.tms_utime = timeval_to_clock_t(&r.ru_utime);
843 tms.tms_stime = timeval_to_clock_t(&r.ru_stime);
844
845 SCARG(&ga, who) = RUSAGE_CHILDREN;
41c20dac 846 error = getrusage(&ga);
984263bc
MD
847 if (error)
848 return error;
849
850 if ((error = copyin(ru, &r, sizeof r)) != 0)
851 return error;
852
853 tms.tms_cutime = timeval_to_clock_t(&r.ru_utime);
854 tms.tms_cstime = timeval_to_clock_t(&r.ru_stime);
855
856 microtime(&t);
857 *retval = timeval_to_clock_t(&t);
858
859 return copyout(&tms, SCARG(uap, tp), sizeof(tms));
860}
861
862
863int
41c20dac 864svr4_sys_ulimit(struct svr4_sys_ulimit_args *uap)
984263bc 865{
41c20dac 866 struct proc *p = curproc;
984263bc
MD
867 int *retval = p->p_retval;
868
869 switch (SCARG(uap, cmd)) {
870 case SVR4_GFILLIM:
871 *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur / 512;
872 if (*retval == -1)
873 *retval = 0x7fffffff;
874 return 0;
875
876 case SVR4_SFILLIM:
877 {
878 int error;
879 struct __setrlimit_args srl;
880 struct rlimit krl;
881 caddr_t sg = stackgap_init();
882 struct rlimit *url = (struct rlimit *)
883 stackgap_alloc(&sg, sizeof *url);
884
885 krl.rlim_cur = SCARG(uap, newlimit) * 512;
886 krl.rlim_max = p->p_rlimit[RLIMIT_FSIZE].rlim_max;
887
888 error = copyout(&krl, url, sizeof(*url));
889 if (error)
890 return error;
891
892 SCARG(&srl, which) = RLIMIT_FSIZE;
893 SCARG(&srl, rlp) = (struct orlimit *)url;
894
41c20dac 895 error = setrlimit(&srl);
984263bc
MD
896 if (error)
897 return error;
898
899 *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur;
900 if (*retval == -1)
901 *retval = 0x7fffffff;
902 return 0;
903 }
904
905 case SVR4_GMEMLIM:
906 {
907 struct vmspace *vm = p->p_vmspace;
908 register_t r = p->p_rlimit[RLIMIT_DATA].rlim_cur;
909
910 if (r == -1)
911 r = 0x7fffffff;
912 r += (long) vm->vm_daddr;
913 if (r < 0)
914 r = 0x7fffffff;
915 *retval = r;
916 return 0;
917 }
918
919 case SVR4_GDESLIM:
920 *retval = p->p_rlimit[RLIMIT_NOFILE].rlim_cur;
921 if (*retval == -1)
922 *retval = 0x7fffffff;
923 return 0;
924
925 default:
926 return EINVAL;
927 }
928}
929
930static struct proc *
931svr4_pfind(pid)
932 pid_t pid;
933{
934 struct proc *p;
935
936 /* look in the live processes */
937 if ((p = pfind(pid)) != NULL)
938 return p;
939
940 /* look in the zombies */
941 for (p = zombproc.lh_first; p != 0; p = p->p_list.le_next)
942 if (p->p_pid == pid)
943 return p;
944
945 return NULL;
946}
947
948
949int
41c20dac 950svr4_sys_pgrpsys(struct svr4_sys_pgrpsys_args *uap)
984263bc 951{
41c20dac 952 struct proc *p = curproc;
984263bc
MD
953 int *retval = p->p_retval;
954
955 switch (SCARG(uap, cmd)) {
956 case 1: /* setpgrp() */
957 /*
958 * SVR4 setpgrp() (which takes no arguments) has the
959 * semantics that the session ID is also created anew, so
960 * in almost every sense, setpgrp() is identical to
961 * setsid() for SVR4. (Under BSD, the difference is that
962 * a setpgid(0,0) will not create a new session.)
963 */
41c20dac 964 setsid(NULL);
984263bc
MD
965 /*FALLTHROUGH*/
966
967 case 0: /* getpgrp() */
968 *retval = p->p_pgrp->pg_id;
969 return 0;
970
971 case 2: /* getsid(pid) */
972 if (SCARG(uap, pid) != 0 &&
973 (p = svr4_pfind(SCARG(uap, pid))) == NULL)
974 return ESRCH;
975 /*
976 * This has already been initialized to the pid of
977 * the session leader.
978 */
979 *retval = (register_t) p->p_session->s_leader->p_pid;
980 return 0;
981
982 case 3: /* setsid() */
41c20dac 983 return setsid(NULL);
984263bc
MD
984
985 case 4: /* getpgid(pid) */
986
987 if (SCARG(uap, pid) != 0 &&
988 (p = svr4_pfind(SCARG(uap, pid))) == NULL)
989 return ESRCH;
990
991 *retval = (int) p->p_pgrp->pg_id;
992 return 0;
993
994 case 5: /* setpgid(pid, pgid); */
995 {
996 struct setpgid_args sa;
997
998 SCARG(&sa, pid) = SCARG(uap, pid);
999 SCARG(&sa, pgid) = SCARG(uap, pgid);
41c20dac 1000 return setpgid(&sa);
984263bc
MD
1001 }
1002
1003 default:
1004 return EINVAL;
1005 }
1006}
1007
1008#define syscallarg(x) union { x datum; register_t pad; }
1009
1010struct svr4_hrtcntl_args {
1011 int cmd;
1012 int fun;
1013 int clk;
1014 svr4_hrt_interval_t * iv;
1015 svr4_hrt_time_t * ti;
1016};
1017
1018
1019static int
41c20dac 1020svr4_hrtcntl(struct svr4_hrtcntl_args *uap, register_t *retval)
984263bc
MD
1021{
1022 switch (SCARG(uap, fun)) {
1023 case SVR4_HRT_CNTL_RES:
1024 DPRINTF(("htrcntl(RES)\n"));
1025 *retval = SVR4_HRT_USEC;
1026 return 0;
1027
1028 case SVR4_HRT_CNTL_TOFD:
1029 DPRINTF(("htrcntl(TOFD)\n"));
1030 {
1031 struct timeval tv;
1032 svr4_hrt_time_t t;
1033 if (SCARG(uap, clk) != SVR4_HRT_CLK_STD) {
1034 DPRINTF(("clk == %d\n", SCARG(uap, clk)));
1035 return EINVAL;
1036 }
1037 if (SCARG(uap, ti) == NULL) {
1038 DPRINTF(("ti NULL\n"));
1039 return EINVAL;
1040 }
1041 microtime(&tv);
1042 t.h_sec = tv.tv_sec;
1043 t.h_rem = tv.tv_usec;
1044 t.h_res = SVR4_HRT_USEC;
1045 return copyout(&t, SCARG(uap, ti), sizeof(t));
1046 }
1047
1048 case SVR4_HRT_CNTL_START:
1049 DPRINTF(("htrcntl(START)\n"));
1050 return ENOSYS;
1051
1052 case SVR4_HRT_CNTL_GET:
1053 DPRINTF(("htrcntl(GET)\n"));
1054 return ENOSYS;
1055 default:
1056 DPRINTF(("Bad htrcntl command %d\n", SCARG(uap, fun)));
1057 return ENOSYS;
1058 }
1059}
1060
1061
1062int
41c20dac 1063svr4_sys_hrtsys(struct svr4_sys_hrtsys_args *uap)
984263bc 1064{
41c20dac 1065 struct proc *p = curproc;
984263bc
MD
1066 int *retval = p->p_retval;
1067
1068 switch (SCARG(uap, cmd)) {
1069 case SVR4_HRT_CNTL:
41c20dac 1070 return svr4_hrtcntl((struct svr4_hrtcntl_args *) uap, retval);
984263bc
MD
1071
1072 case SVR4_HRT_ALRM:
1073 DPRINTF(("hrtalarm\n"));
1074 return ENOSYS;
1075
1076 case SVR4_HRT_SLP:
1077 DPRINTF(("hrtsleep\n"));
1078 return ENOSYS;
1079
1080 case SVR4_HRT_CAN:
1081 DPRINTF(("hrtcancel\n"));
1082 return ENOSYS;
1083
1084 default:
1085 DPRINTF(("Bad hrtsys command %d\n", SCARG(uap, cmd)));
1086 return EINVAL;
1087 }
1088}
1089
1090
1091static int
1092svr4_setinfo(p, st, s)
1093 struct proc *p;
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.si_signo = SVR4_SIGCHLD;
1103 i.si_errno = 0; /* XXX? */
1104
1105 if (p) {
1106 i.si_pid = p->p_pid;
1107 if (p->p_stat == SZOMB) {
1108 i.si_stime = p->p_ru->ru_stime.tv_sec;
1109 i.si_utime = p->p_ru->ru_utime.tv_sec;
1110 }
1111 else {
1112 i.si_stime = p->p_stats->p_ru.ru_stime.tv_sec;
1113 i.si_utime = p->p_stats->p_ru.ru_utime.tv_sec;
1114 }
1115 }
1116
1117 if (WIFEXITED(st)) {
1118 i.si_status = WEXITSTATUS(st);
1119 i.si_code = SVR4_CLD_EXITED;
1120 } else if (WIFSTOPPED(st)) {
1121 sig = WSTOPSIG(st);
1122 if (sig >= 0 && sig < NSIG)
1123 i.si_status = SVR4_BSD2SVR4_SIG(sig);
1124
1125 if (i.si_status == SVR4_SIGCONT)
1126 i.si_code = SVR4_CLD_CONTINUED;
1127 else
1128 i.si_code = SVR4_CLD_STOPPED;
1129 } else {
1130 sig = WTERMSIG(st);
1131 if (sig >= 0 && sig < NSIG)
1132 i.si_status = SVR4_BSD2SVR4_SIG(sig);
1133
1134 if (WCOREDUMP(st))
1135 i.si_code = SVR4_CLD_DUMPED;
1136 else
1137 i.si_code = SVR4_CLD_KILLED;
1138 }
1139
1140 DPRINTF(("siginfo [pid %ld signo %d code %d errno %d status %d]\n",
1141 i.si_pid, i.si_signo, i.si_code, i.si_errno, i.si_status));
1142
1143 return copyout(&i, s, sizeof(i));
1144}
1145
1146
1147int
41c20dac 1148svr4_sys_waitsys(struct svr4_sys_waitsys_args *uap)
984263bc 1149{
41c20dac 1150 struct proc *p = curproc;
984263bc
MD
1151 int nfound;
1152 int error, *retval = p->p_retval;
1153 struct proc *q, *t;
1154
1155
1156 switch (SCARG(uap, grp)) {
1157 case SVR4_P_PID:
1158 break;
1159
1160 case SVR4_P_PGID:
1161 SCARG(uap, id) = -p->p_pgid;
1162 break;
1163
1164 case SVR4_P_ALL:
1165 SCARG(uap, id) = WAIT_ANY;
1166 break;
1167
1168 default:
1169 return EINVAL;
1170 }
1171
1172 DPRINTF(("waitsys(%d, %d, %p, %x)\n",
1173 SCARG(uap, grp), SCARG(uap, id),
1174 SCARG(uap, info), SCARG(uap, options)));
1175
1176loop:
1177 nfound = 0;
1178 for (q = p->p_children.lh_first; q != 0; q = q->p_sibling.le_next) {
1179 if (SCARG(uap, id) != WAIT_ANY &&
1180 q->p_pid != SCARG(uap, id) &&
1181 q->p_pgid != -SCARG(uap, id)) {
1182 DPRINTF(("pid %d pgid %d != %d\n", q->p_pid,
1183 q->p_pgid, SCARG(uap, id)));
1184 continue;
1185 }
1186 nfound++;
1187 if (q->p_stat == SZOMB &&
1188 ((SCARG(uap, options) & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
1189 *retval = 0;
1190 DPRINTF(("found %d\n", q->p_pid));
1191 if ((error = svr4_setinfo(q, q->p_xstat,
1192 SCARG(uap, info))) != 0)
1193 return error;
1194
1195
1196 if ((SCARG(uap, options) & SVR4_WNOWAIT)) {
1197 DPRINTF(("Don't wait\n"));
1198 return 0;
1199 }
1200
1201 /*
1202 * If we got the child via ptrace(2) or procfs, and
1203 * the parent is different (meaning the process was
1204 * attached, rather than run as a child), then we need
1205 * to give it back to the ol dparent, and send the
1206 * parent a SIGCHLD. The rest of the cleanup will be
1207 * done when the old parent waits on the child.
1208 */
1209 if ((q->p_flag & P_TRACED) &&
1210 q->p_oppid != q->p_pptr->p_pid) {
1211 t = pfind(q->p_oppid);
1212 proc_reparent(q, t ? t : initproc);
1213 q->p_oppid = 0;
1214 q->p_flag &= ~(P_TRACED | P_WAITED);
1215 wakeup((caddr_t)q->p_pptr);
1216 return 0;
1217 }
1218 q->p_xstat = 0;
1219 ruadd(&p->p_stats->p_cru, q->p_ru);
1220
1221 FREE(q->p_ru, M_ZOMBIE);
1222
1223 /*
1224 * Finally finished with old proc entry.
1225 * Unlink it from its process group and free it.
1226 */
1227 leavepgrp(q);
1228
1229 LIST_REMOVE(q, p_list); /* off zombproc */
1230
1231 LIST_REMOVE(q, p_sibling);
1232
1233 /*
1234 * Decrement the count of procs running with this uid.
1235 */
1236 (void)chgproccnt(q->p_ucred->cr_uidinfo, -1, 0);
1237
1238 /*
1239 * Free up credentials.
1240 */
41c20dac
MD
1241 crfree(q->p_ucred);
1242 q->p_ucred = NULL;
984263bc
MD
1243
1244 /*
1245 * Release reference to text vnode
1246 */
1247 if (q->p_textvp)
1248 vrele(q->p_textvp);
1249
1250 /*
1251 * Give machine-dependent layer a chance
1252 * to free anything that cpu_exit couldn't
1253 * release while still running in process context.
1254 */
1255 vm_waitproc(q);
1256 /* XXX what about process 'q' itself? zfree? */
1257#if defined(__NetBSD__)
1258 pool_put(&proc_pool, q);
1259#endif
1260 nprocs--;
1261 return 0;
1262 }
1263 if (q->p_stat == SSTOP && (q->p_flag & P_WAITED) == 0 &&
1264 (q->p_flag & P_TRACED ||
1265 (SCARG(uap, options) & (SVR4_WSTOPPED|SVR4_WCONTINUED)))) {
1266 DPRINTF(("jobcontrol %d\n", q->p_pid));
1267 if (((SCARG(uap, options) & SVR4_WNOWAIT)) == 0)
1268 q->p_flag |= P_WAITED;
1269 *retval = 0;
1270 return svr4_setinfo(q, W_STOPCODE(q->p_xstat),
1271 SCARG(uap, info));
1272 }
1273 }
1274
1275 if (nfound == 0)
1276 return ECHILD;
1277
1278 if (SCARG(uap, options) & SVR4_WNOHANG) {
1279 *retval = 0;
1280 if ((error = svr4_setinfo(NULL, 0, SCARG(uap, info))) != 0)
1281 return error;
1282 return 0;
1283 }
1284
1285 if ((error = tsleep((caddr_t)p, PWAIT | PCATCH, "svr4_wait", 0)) != 0)
1286 return error;
1287 goto loop;
1288}
1289
1290
1291static void
1292bsd_statfs_to_svr4_statvfs(bfs, sfs)
1293 const struct statfs *bfs;
1294 struct svr4_statvfs *sfs;
1295{
1296 sfs->f_bsize = bfs->f_iosize; /* XXX */
1297 sfs->f_frsize = bfs->f_bsize;
1298 sfs->f_blocks = bfs->f_blocks;
1299 sfs->f_bfree = bfs->f_bfree;
1300 sfs->f_bavail = bfs->f_bavail;
1301 sfs->f_files = bfs->f_files;
1302 sfs->f_ffree = bfs->f_ffree;
1303 sfs->f_favail = bfs->f_ffree;
1304 sfs->f_fsid = bfs->f_fsid.val[0];
1305 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1306 sfs->f_flag = 0;
1307 if (bfs->f_flags & MNT_RDONLY)
1308 sfs->f_flag |= SVR4_ST_RDONLY;
1309 if (bfs->f_flags & MNT_NOSUID)
1310 sfs->f_flag |= SVR4_ST_NOSUID;
1311 sfs->f_namemax = MAXNAMLEN;
1312 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1313 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1314}
1315
1316
1317static void
1318bsd_statfs_to_svr4_statvfs64(bfs, sfs)
1319 const struct statfs *bfs;
1320 struct svr4_statvfs64 *sfs;
1321{
1322 sfs->f_bsize = bfs->f_iosize; /* XXX */
1323 sfs->f_frsize = bfs->f_bsize;
1324 sfs->f_blocks = bfs->f_blocks;
1325 sfs->f_bfree = bfs->f_bfree;
1326 sfs->f_bavail = bfs->f_bavail;
1327 sfs->f_files = bfs->f_files;
1328 sfs->f_ffree = bfs->f_ffree;
1329 sfs->f_favail = bfs->f_ffree;
1330 sfs->f_fsid = bfs->f_fsid.val[0];
1331 memcpy(sfs->f_basetype, bfs->f_fstypename, sizeof(sfs->f_basetype));
1332 sfs->f_flag = 0;
1333 if (bfs->f_flags & MNT_RDONLY)
1334 sfs->f_flag |= SVR4_ST_RDONLY;
1335 if (bfs->f_flags & MNT_NOSUID)
1336 sfs->f_flag |= SVR4_ST_NOSUID;
1337 sfs->f_namemax = MAXNAMLEN;
1338 memcpy(sfs->f_fstr, bfs->f_fstypename, sizeof(sfs->f_fstr)); /* XXX */
1339 memset(sfs->f_filler, 0, sizeof(sfs->f_filler));
1340}
1341
1342
1343int
41c20dac 1344svr4_sys_statvfs(struct svr4_sys_statvfs_args *uap)
984263bc
MD
1345{
1346 struct statfs_args fs_args;
1347 caddr_t sg = stackgap_init();
1348 struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
1349 struct statfs bfs;
1350 struct svr4_statvfs sfs;
1351 int error;
1352
41c20dac 1353 CHECKALTEXIST(&sg, SCARG(uap, path));
984263bc
MD
1354 SCARG(&fs_args, path) = SCARG(uap, path);
1355 SCARG(&fs_args, buf) = fs;
1356
41c20dac 1357 if ((error = statfs(&fs_args)) != 0)
984263bc
MD
1358 return error;
1359
1360 if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
1361 return error;
1362
1363 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1364
1365 return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
1366}
1367
1368
1369int
41c20dac 1370svr4_sys_fstatvfs(struct svr4_sys_fstatvfs_args *uap)
984263bc
MD
1371{
1372 struct fstatfs_args fs_args;
1373 caddr_t sg = stackgap_init();
1374 struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
1375 struct statfs bfs;
1376 struct svr4_statvfs sfs;
1377 int error;
1378
1379 SCARG(&fs_args, fd) = SCARG(uap, fd);
1380 SCARG(&fs_args, buf) = fs;
1381
41c20dac 1382 if ((error = fstatfs(&fs_args)) != 0)
984263bc
MD
1383 return error;
1384
1385 if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
1386 return error;
1387
1388 bsd_statfs_to_svr4_statvfs(&bfs, &sfs);
1389
1390 return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
1391}
1392
1393
1394int
41c20dac 1395svr4_sys_statvfs64(struct svr4_sys_statvfs64_args *uap)
984263bc
MD
1396{
1397 struct statfs_args fs_args;
1398 caddr_t sg = stackgap_init();
1399 struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
1400 struct statfs bfs;
1401 struct svr4_statvfs64 sfs;
1402 int error;
1403
41c20dac 1404 CHECKALTEXIST(&sg, SCARG(uap, path));
984263bc
MD
1405 SCARG(&fs_args, path) = SCARG(uap, path);
1406 SCARG(&fs_args, buf) = fs;
1407
41c20dac 1408 if ((error = statfs(&fs_args)) != 0)
984263bc
MD
1409 return error;
1410
1411 if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
1412 return error;
1413
1414 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1415
1416 return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
1417}
1418
1419
1420int
41c20dac 1421svr4_sys_fstatvfs64(struct svr4_sys_fstatvfs64_args *uap)
984263bc
MD
1422{
1423 struct fstatfs_args fs_args;
1424 caddr_t sg = stackgap_init();
1425 struct statfs *fs = stackgap_alloc(&sg, sizeof(struct statfs));
1426 struct statfs bfs;
1427 struct svr4_statvfs64 sfs;
1428 int error;
1429
1430 SCARG(&fs_args, fd) = SCARG(uap, fd);
1431 SCARG(&fs_args, buf) = fs;
1432
41c20dac 1433 if ((error = fstatfs(&fs_args)) != 0)
984263bc
MD
1434 return error;
1435
1436 if ((error = copyin(fs, &bfs, sizeof(bfs))) != 0)
1437 return error;
1438
1439 bsd_statfs_to_svr4_statvfs64(&bfs, &sfs);
1440
1441 return copyout(&sfs, SCARG(uap, fs), sizeof(sfs));
1442}
1443
1444int
41c20dac 1445svr4_sys_alarm(struct svr4_sys_alarm_args *uap)
984263bc 1446{
41c20dac 1447 struct proc *p = curproc;
984263bc
MD
1448 int error;
1449 struct itimerval *itp, *oitp;
1450 struct setitimer_args sa;
1451 caddr_t sg = stackgap_init();
1452
1453 itp = stackgap_alloc(&sg, sizeof(*itp));
1454 oitp = stackgap_alloc(&sg, sizeof(*oitp));
1455 timevalclear(&itp->it_interval);
1456 itp->it_value.tv_sec = SCARG(uap, sec);
1457 itp->it_value.tv_usec = 0;
1458
1459 SCARG(&sa, which) = ITIMER_REAL;
1460 SCARG(&sa, itv) = itp;
1461 SCARG(&sa, oitv) = oitp;
41c20dac 1462 error = setitimer(&sa);
984263bc
MD
1463 if (error)
1464 return error;
1465 if (oitp->it_value.tv_usec)
1466 oitp->it_value.tv_sec++;
1467 p->p_retval[0] = oitp->it_value.tv_sec;
1468 return 0;
1469
1470}
1471
1472int
41c20dac 1473svr4_sys_gettimeofday(struct svr4_sys_gettimeofday_args *uap)
984263bc
MD
1474{
1475 if (SCARG(uap, tp)) {
1476 struct timeval atv;
1477
1478 microtime(&atv);
1479 return copyout(&atv, SCARG(uap, tp), sizeof (atv));
1480 }
1481
1482 return 0;
1483}
1484
1485int
41c20dac 1486svr4_sys_facl(struct svr4_sys_facl_args *uap)
984263bc 1487{
41c20dac 1488 struct proc *p = curproc;
984263bc
MD
1489 int *retval;
1490
1491 retval = p->p_retval;
1492 *retval = 0;
1493
1494 switch (SCARG(uap, cmd)) {
1495 case SVR4_SYS_SETACL:
1496 /* We don't support acls on any filesystem */
1497 return ENOSYS;
1498
1499 case SVR4_SYS_GETACL:
1500 return copyout(retval, &SCARG(uap, num),
1501 sizeof(SCARG(uap, num)));
1502
1503 case SVR4_SYS_GETACLCNT:
1504 return 0;
1505
1506 default:
1507 return EINVAL;
1508 }
1509}
1510
1511
1512int
41c20dac 1513svr4_sys_acl(struct svr4_sys_acl_args *uap)
984263bc
MD
1514{
1515 /* XXX: for now the same */
41c20dac 1516 return svr4_sys_facl((struct svr4_sys_facl_args *)uap);
984263bc
MD
1517}
1518
1519int
41c20dac 1520svr4_sys_auditsys(struct svr4_sys_auditsys_args *uap)
984263bc
MD
1521{
1522 /*
1523 * XXX: Big brother is *not* watching.
1524 */
1525 return 0;
1526}
1527
1528int
41c20dac 1529svr4_sys_memcntl(struct svr4_sys_memcntl_args *uap)
984263bc
MD
1530{
1531 switch (SCARG(uap, cmd)) {
1532 case SVR4_MC_SYNC:
1533 {
1534 struct msync_args msa;
1535
1536 SCARG(&msa, addr) = SCARG(uap, addr);
1537 SCARG(&msa, len) = SCARG(uap, len);
1538 SCARG(&msa, flags) = (int)SCARG(uap, arg);
1539
41c20dac 1540 return msync(&msa);
984263bc
MD
1541 }
1542 case SVR4_MC_ADVISE:
1543 {
1544 struct madvise_args maa;
1545
1546 SCARG(&maa, addr) = SCARG(uap, addr);
1547 SCARG(&maa, len) = SCARG(uap, len);
1548 SCARG(&maa, behav) = (int)SCARG(uap, arg);
1549
41c20dac 1550 return madvise(&maa);
984263bc
MD
1551 }
1552 case SVR4_MC_LOCK:
1553 case SVR4_MC_UNLOCK:
1554 case SVR4_MC_LOCKAS:
1555 case SVR4_MC_UNLOCKAS:
1556 return EOPNOTSUPP;
1557 default:
1558 return ENOSYS;
1559 }
1560}
1561
1562
1563int
41c20dac 1564svr4_sys_nice(struct svr4_sys_nice_args *uap)
984263bc
MD
1565{
1566 struct setpriority_args ap;
1567 int error;
1568
1569 SCARG(&ap, which) = PRIO_PROCESS;
1570 SCARG(&ap, who) = 0;
1571 SCARG(&ap, prio) = SCARG(uap, prio);
1572
41c20dac 1573 if ((error = setpriority(&ap)) != 0)
984263bc
MD
1574 return error;
1575
1576 /* the cast is stupid, but the structures are the same */
41c20dac 1577 if ((error = getpriority((struct getpriority_args *)&ap)) != 0)
984263bc
MD
1578 return error;
1579
1580 return 0;
1581}
1582
1583int
41c20dac 1584svr4_sys_resolvepath(struct svr4_sys_resolvepath_args *uap)
984263bc 1585{
41c20dac 1586 struct proc *p = curproc;
984263bc
MD
1587 struct nameidata nd;
1588 int error, *retval = p->p_retval;
1589
1590 NDINIT(&nd, LOOKUP, NOFOLLOW | SAVENAME, UIO_USERSPACE,
1591 SCARG(uap, path), p);
1592
1593 if ((error = namei(&nd)) != 0)
1594 return error;
1595
1596 if ((error = copyout(nd.ni_cnd.cn_pnbuf, SCARG(uap, buf),
1597 SCARG(uap, bufsiz))) != 0)
1598 goto bad;
1599
1600 *retval = strlen(nd.ni_cnd.cn_pnbuf) < SCARG(uap, bufsiz) ?
1601 strlen(nd.ni_cnd.cn_pnbuf) + 1 : SCARG(uap, bufsiz);
1602bad:
1603 NDFREE(&nd, NDF_ONLY_PNBUF);
1604 vput(nd.ni_vp);
1605 return error;
1606}