xref: /original-bsd/sys/hp/hpux/hpux_compat.c (revision 68d9582f)
1 /*
2  * Copyright (c) 1988 University of Utah.
3  * Copyright (c) 1990 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * the Systems Programming Group of the University of Utah Computer
8  * Science Department.
9  *
10  * %sccs.include.redist.c%
11  *
12  * from: Utah $Hdr: hpux_compat.c 1.42 92/01/20$
13  *
14  *	@(#)hpux_compat.c	7.22 (Berkeley) 06/19/92
15  */
16 
17 /*
18  * Various HPUX compatibility routines
19  */
20 
21 #ifdef HPUXCOMPAT
22 
23 #include "param.h"
24 #include "systm.h"
25 #include "signalvar.h"
26 #include "kernel.h"
27 #include "filedesc.h"
28 #include "proc.h"
29 #include "buf.h"
30 #include "wait.h"
31 #include "file.h"
32 #include "namei.h"
33 #include "vnode.h"
34 #include "ioctl.h"
35 #include "ptrace.h"
36 #include "stat.h"
37 #include "syslog.h"
38 #include "malloc.h"
39 #include "mount.h"
40 #include "ipc.h"
41 #include "user.h"
42 
43 #include "machine/cpu.h"
44 #include "machine/reg.h"
45 #include "machine/psl.h"
46 #include "machine/vmparam.h"
47 #include "hpux.h"
48 #include "hpux_termio.h"
49 
50 #ifdef DEBUG
51 int unimpresponse = 0;
52 #endif
53 
54 /* SYS5 style UTSNAME info */
55 struct hpuxutsname protoutsname = {
56 	"4.4bsd", "", "2.0", "B", "9000/3?0", ""
57 };
58 
59 /* 6.0 and later style context */
60 #if defined(HP380)
61 char hpux040context[] =
62     "standalone HP-MC68040 HP-MC68881 HP-MC68020 HP-MC68010 localroot default";
63 #endif
64 #ifdef FPCOPROC
65 char hpuxcontext[] =
66 	"standalone HP-MC68881 HP-MC68020 HP-MC68010 localroot default";
67 #else
68 char hpuxcontext[] =
69 	"standalone HP-MC68020 HP-MC68010 localroot default";
70 #endif
71 
72 /* YP domainname */
73 char	domainname[MAXHOSTNAMELEN] = "unknown";
74 int	domainnamelen = 7;
75 
76 #define NERR	79
77 #define BERR	1000
78 
79 /* indexed by BSD errno */
80 short bsdtohpuxerrnomap[NERR] = {
81 /*00*/	  0,   1,   2,   3,   4,   5,   6,   7,   8,   9,
82 /*10*/	 10,  45,  12,  13,  14,  15,  16,  17,  18,  19,
83 /*20*/	 20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
84 /*30*/	 30,  31,  32,  33,  34, 246, 245, 244, 216, 217,
85 /*40*/	218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
86 /*50*/	228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
87 /*60*/	238, 239, 249, 248, 241, 242, 247,BERR,BERR,BERR,
88 /*70*/   70,  71,BERR,BERR,BERR,BERR,BERR,  46,BERR
89 };
90 
91 notimp(p, uap, retval, code, nargs)
92 	struct proc *p;
93 	int *uap, *retval;
94 	int code, nargs;
95 {
96 	int error = 0;
97 #ifdef DEBUG
98 	register int *argp = uap;
99 	extern char *hpuxsyscallnames[];
100 
101 	printf("HPUX %s(", hpuxsyscallnames[code]);
102 	if (nargs)
103 		while (nargs--)
104 			printf("%x%c", *argp++, nargs? ',' : ')');
105 	else
106 		printf(")");
107 	printf("\n");
108 	switch (unimpresponse) {
109 	case 0:
110 		error = nosys(p, uap, retval);
111 		break;
112 	case 1:
113 		error = EINVAL;
114 		break;
115 	}
116 #else
117 	error = nosys(p, uap, retval);
118 #endif
119 	uprintf("HP-UX system call %d not implemented\n", code);
120 	return (error);
121 }
122 
123 hpuxexecv(p, uap, retval)
124 	struct proc *p;
125 	struct args {
126 		char	*fname;
127 		char	**argp;
128 		char	**envp;
129 	} *uap;
130 	int *retval;
131 {
132 	extern int execve();
133 
134 	uap->envp = NULL;
135 	return (execve(p, uap, retval));
136 }
137 
138 /*
139  * HPUX versions of wait and wait3 actually pass the parameters
140  * (status pointer, options, rusage) into the kernel rather than
141  * handling it in the C library stub.  We also need to map any
142  * termination signal from BSD to HPUX.
143  */
144 hpuxwait3(p, uap, retval)
145 	struct proc *p;
146 	struct args {
147 		int	*status;
148 		int	options;
149 		int	rusage;
150 	} *uap;
151 	int *retval;
152 {
153 	/* rusage pointer must be zero */
154 	if (uap->rusage)
155 		return (EINVAL);
156 	p->p_md.md_regs[PS] = PSL_ALLCC;
157 	p->p_md.md_regs[R0] = uap->options;
158 	p->p_md.md_regs[R1] = uap->rusage;
159 	return (hpuxwait(p, uap, retval));
160 }
161 
162 hpuxwait(p, uap, retval)
163 	struct proc *p;
164 	struct args {
165 		int	*status;
166 	} *uap;
167 	int *retval;
168 {
169 	int sig, *statp, error;
170 
171 	statp = uap->status;	/* owait clobbers first arg */
172 	error = owait(p, uap, retval);
173 	/*
174 	 * HP-UX wait always returns EINTR when interrupted by a signal
175 	 * (well, unless its emulating a BSD process, but we don't bother...)
176 	 */
177 	if (error == ERESTART)
178 		error = EINTR;
179 	if (error)
180 		return (error);
181 	sig = retval[1] & 0xFF;
182 	if (sig == WSTOPPED) {
183 		sig = (retval[1] >> 8) & 0xFF;
184 		retval[1] = (bsdtohpuxsig(sig) << 8) | WSTOPPED;
185 	} else if (sig)
186 		retval[1] = (retval[1] & 0xFF00) |
187 			bsdtohpuxsig(sig & 0x7F) | (sig & 0x80);
188 	if (statp)
189 		if (suword((caddr_t)statp, retval[1]))
190 			error = EFAULT;
191 	return (error);
192 }
193 
194 hpuxwaitpid(p, uap, retval)
195 	struct proc *p;
196 	struct args {
197 		int	pid;
198 		int	*status;
199 		int	options;
200 		struct	rusage *rusage;	/* wait4 arg */
201 	} *uap;
202 	int *retval;
203 {
204 	int sig, *statp, error;
205 
206 	uap->rusage = 0;
207 	error = wait4(p, uap, retval);
208 	/*
209 	 * HP-UX wait always returns EINTR when interrupted by a signal
210 	 * (well, unless its emulating a BSD process, but we don't bother...)
211 	 */
212 	if (error == ERESTART)
213 		error = EINTR;
214 	if (error)
215 		return (error);
216 	sig = retval[1] & 0xFF;
217 	if (sig == WSTOPPED) {
218 		sig = (retval[1] >> 8) & 0xFF;
219 		retval[1] = (bsdtohpuxsig(sig) << 8) | WSTOPPED;
220 	} else if (sig)
221 		retval[1] = (retval[1] & 0xFF00) |
222 			bsdtohpuxsig(sig & 0x7F) | (sig & 0x80);
223 	if (statp)
224 		if (suword((caddr_t)statp, retval[1]))
225 			error = EFAULT;
226 	return (error);
227 }
228 
229 /*
230  * Must remap some bits in the mode mask.
231  * O_CREAT, O_TRUNC, and O_EXCL must be remapped,
232  * O_SYNCIO (0100000) is removed entirely.
233  */
234 hpuxopen(p, uap, retval)
235 	struct proc *p;
236 	register struct args {
237 		char	*fname;
238 		int	mode;
239 		int	crtmode;
240 	} *uap;
241 	int *retval;
242 {
243 	int mode;
244 
245 	mode = uap->mode;
246 	uap->mode &= ~(HPUXFSYNCIO|HPUXFEXCL|HPUXFTRUNC|HPUXFCREAT);
247 	if (mode & HPUXFCREAT) {
248 		/*
249 		 * simulate the pre-NFS behavior that opening a
250 		 * file for READ+CREATE ignores the CREATE (unless
251 		 * EXCL is set in which case we will return the
252 		 * proper error).
253 		 */
254 		if ((mode & HPUXFEXCL) || (FFLAGS(mode) & FWRITE))
255 			uap->mode |= O_CREAT;
256 	}
257 	if (mode & HPUXFTRUNC)
258 		uap->mode |= O_TRUNC;
259 	if (mode & HPUXFEXCL)
260 		uap->mode |= O_EXCL;
261 	return (open(p, uap, retval));
262 }
263 
264 /* XXX */
265 #define	UF_FNDELAY_ON	0x20
266 #define	UF_FIONBIO_ON	0x40
267 /* XXX */
268 
269 hpuxfcntl(p, uap, retval)
270 	struct proc *p;
271 	register struct args {
272 		int	fdes;
273 		int	cmd;
274 		int	arg;
275 	} *uap;
276 	int *retval;
277 {
278 	int mode, error;
279 	char *fp;
280 
281 	if (uap->cmd == F_GETFL || uap->cmd == F_SETFL) {
282 		if ((unsigned)uap->fdes >= p->p_fd->fd_nfiles ||
283 		    p->p_fd->fd_ofiles[uap->fdes] == NULL)
284 			return (EBADF);
285 		fp = &p->p_fd->fd_ofileflags[uap->fdes];
286 	}
287 	switch (uap->cmd) {
288 	case F_SETFL:
289 		if (uap->arg & FNONBLOCK)
290 			*fp |= UF_FNDELAY_ON;
291 		else {
292 			*fp &= ~UF_FNDELAY_ON;
293 			if (*fp & UF_FIONBIO_ON)
294 				uap->arg |= FNONBLOCK;
295 		}
296 		uap->arg &= ~(HPUXFSYNCIO|HPUXFREMOTE|FUSECACHE);
297 		break;
298 	case F_GETFL:
299 	case F_DUPFD:
300 	case F_GETFD:
301 	case F_SETFD:
302 		break;
303 	default:
304 		return (EINVAL);
305 	}
306 	error = fcntl(p, uap, retval);
307 	if (error == 0 && uap->cmd == F_GETFL) {
308 		mode = *retval;
309 		*retval &= ~(O_CREAT|O_TRUNC|O_EXCL|FUSECACHE);
310 		if ((mode & FNONBLOCK) && (*fp & UF_FNDELAY_ON) == 0)
311 			*retval &= ~FNONBLOCK;
312 		if (mode & O_CREAT)
313 			*retval |= HPUXFCREAT;
314 		if (mode & O_TRUNC)
315 			*retval |= HPUXFTRUNC;
316 		if (mode & O_EXCL)
317 			*retval |= HPUXFEXCL;
318 	}
319 	return (error);
320 }
321 
322 /*
323  * Read and write should return a 0 count when an operation
324  * on a VNODE would block, not an error.
325  *
326  * In 6.2 and 6.5 sockets appear to return EWOULDBLOCK.
327  * In 7.0 the behavior for sockets depends on whether FNONBLOCK is in effect.
328  */
329 hpuxread(p, uap, retval)
330 	struct proc *p;
331 	struct args {
332 		int	fd;
333 	} *uap;
334 	int *retval;
335 {
336 	int error;
337 
338 	error = read(p, uap, retval);
339 	if (error == EWOULDBLOCK &&
340 	    (p->p_fd->fd_ofiles[uap->fd]->f_type == DTYPE_VNODE ||
341 	     p->p_fd->fd_ofileflags[uap->fd] & UF_FNDELAY_ON)) {
342 		error = 0;
343 		*retval = 0;
344 	}
345 	return (error);
346 }
347 
348 hpuxwrite(p, uap, retval)
349 	struct proc *p;
350 	struct args {
351 		int	fd;
352 	} *uap;
353 	int *retval;
354 {
355 	int error;
356 
357 	error = write(p, uap, retval);
358 	if (error == EWOULDBLOCK &&
359 	    (p->p_fd->fd_ofiles[uap->fd]->f_type == DTYPE_VNODE ||
360 	     p->p_fd->fd_ofileflags[uap->fd] & UF_FNDELAY_ON)) {
361 		error = 0;
362 		*retval = 0;
363 	}
364 	return (error);
365 }
366 
367 hpuxreadv(p, uap, retval)
368 	struct proc *p;
369 	struct args {
370 		int	fd;
371 	} *uap;
372 	int *retval;
373 {
374 	int error;
375 
376 	error = readv(p, uap, retval);
377 	if (error == EWOULDBLOCK &&
378 	    (p->p_fd->fd_ofiles[uap->fd]->f_type == DTYPE_VNODE ||
379 	     p->p_fd->fd_ofileflags[uap->fd] & UF_FNDELAY_ON)) {
380 		error = 0;
381 		*retval = 0;
382 	}
383 	return (error);
384 }
385 
386 hpuxwritev(p, uap, retval)
387 	struct proc *p;
388 	struct args {
389 		int	fd;
390 	} *uap;
391 	int *retval;
392 {
393 	int error;
394 
395 	error = writev(p, uap, retval);
396 	if (error == EWOULDBLOCK &&
397 	    (p->p_fd->fd_ofiles[uap->fd]->f_type == DTYPE_VNODE ||
398 	     p->p_fd->fd_ofileflags[uap->fd] & UF_FNDELAY_ON)) {
399 		error = 0;
400 		*retval = 0;
401 	}
402 	return (error);
403 }
404 
405 /*
406  * 4.3bsd dup allows dup2 to come in on the same syscall entry
407  * and hence allows two arguments.  HPUX dup has only one arg.
408  */
409 hpuxdup(p, uap, retval)
410 	struct proc *p;
411 	register struct args {
412 		int	i;
413 	} *uap;
414 	int *retval;
415 {
416 	register struct filedesc *fdp = p->p_fd;
417 	struct file *fp;
418 	int fd, error;
419 
420 	if (((unsigned)uap->i) >= fdp->fd_nfiles ||
421 	    (fp = fdp->fd_ofiles[uap->i]) == NULL)
422 		return (EBADF);
423 	if (error = fdalloc(p, 0, &fd))
424 		return (error);
425 	fdp->fd_ofiles[fd] = fp;
426 	fdp->fd_ofileflags[fd] = fdp->fd_ofileflags[uap->i] &~ UF_EXCLOSE;
427 	fp->f_count++;
428 	if (fd > fdp->fd_lastfile)
429 		fdp->fd_lastfile = fd;
430 	*retval = fd;
431 	return (0);
432 }
433 
434 hpuxutssys(p, uap, retval)
435 	struct proc *p;
436 	register struct args {
437 		struct hpuxutsname *uts;
438 		int dev;
439 		int request;
440 	} *uap;
441 	int *retval;
442 {
443 	register int i;
444 	int error;
445 
446 	switch (uap->request) {
447 	/* uname */
448 	case 0:
449 		/* fill in machine type */
450 		switch (machineid) {
451 		case HP_320:
452 			protoutsname.machine[6] = '2';
453 			break;
454 		/* includes 318 and 319 */
455 		case HP_330:
456 			protoutsname.machine[6] = '3';
457 			break;
458 		case HP_340:
459 			protoutsname.machine[6] = '4';
460 			break;
461 		case HP_350:
462 			protoutsname.machine[6] = '5';
463 			break;
464 		case HP_360:
465 			protoutsname.machine[6] = '6';
466 			break;
467 		case HP_370:
468 			protoutsname.machine[6] = '7';
469 			break;
470 		/* includes 345 */
471 		case HP_375:
472 			protoutsname.machine[6] = '7';
473 			protoutsname.machine[7] = '5';
474 			break;
475 		}
476 		/* copy hostname (sans domain) to nodename */
477 		for (i = 0; i < 8 && hostname[i] != '.'; i++)
478 			protoutsname.nodename[i] = hostname[i];
479 		protoutsname.nodename[i] = '\0';
480 		error = copyout((caddr_t)&protoutsname, (caddr_t)uap->uts,
481 				sizeof(struct hpuxutsname));
482 		break;
483 
484 	/* gethostname */
485 	case 5:
486 		/* uap->dev is length */
487 		if (uap->dev > hostnamelen + 1)
488 			uap->dev = hostnamelen + 1;
489 		error = copyout((caddr_t)hostname, (caddr_t)uap->uts,
490 				uap->dev);
491 		break;
492 
493 	case 1:	/* ?? */
494 	case 2:	/* ustat */
495 	case 3:	/* ?? */
496 	case 4:	/* sethostname */
497 	default:
498 		error = EINVAL;
499 		break;
500 	}
501 	return (error);
502 }
503 
504 hpuxsysconf(p, uap, retval)
505 	struct proc *p;
506 	struct args {
507 		int	name;
508 	} *uap;
509 	int *retval;
510 {
511 	switch (uap->name) {
512 
513 	/* open files */
514 	case HPUX_SYSCONF_OPENMAX:
515 		*retval = NOFILE;
516 		break;
517 
518 	/* architecture */
519 	case HPUX_SYSCONF_CPUTYPE:
520 		switch (machineid) {
521 		case HP_320:
522 		case HP_330:
523 		case HP_350:
524 			*retval = HPUX_SYSCONF_CPUM020;
525 			break;
526 		case HP_340:
527 		case HP_360:
528 		case HP_370:
529 		case HP_375:
530 			*retval = HPUX_SYSCONF_CPUM030;
531 			break;
532 		case HP_380:
533 			*retval = HPUX_SYSCONF_CPUM040;
534 			break;
535 		}
536 		break;
537 	default:
538 		uprintf("HPUX sysconf(%d) not implemented\n", uap->name);
539 		return (EINVAL);
540 	}
541 	return (0);
542 }
543 
544 hpuxstat(p, uap, retval)
545 	struct proc *p;
546 	struct args {
547 		char	*fname;
548 		struct hpuxstat *hsb;
549 	} *uap;
550 	int *retval;
551 {
552 	return (hpuxstat1(uap->fname, uap->hsb, FOLLOW));
553 }
554 
555 hpuxlstat(p, uap, retval)
556 	struct proc *p;
557 	struct args {
558 		char	*fname;
559 		struct hpuxstat *hsb;
560 	} *uap;
561 	int *retval;
562 {
563 	return (hpuxstat1(uap->fname, uap->hsb, NOFOLLOW));
564 }
565 
566 hpuxfstat(p, uap, retval)
567 	struct proc *p;
568 	register struct args {
569 		int	fdes;
570 		struct	hpuxstat *hsb;
571 	} *uap;
572 	int *retval;
573 {
574 	register struct filedesc *fdp = p->p_fd;
575 	register struct file *fp;
576 	struct stat sb;
577 	int error;
578 
579 	if (((unsigned)uap->fdes) >= fdp->fd_nfiles ||
580 	    (fp = fdp->fd_ofiles[uap->fdes]) == NULL)
581 		return (EBADF);
582 
583 	switch (fp->f_type) {
584 
585 	case DTYPE_VNODE:
586 		error = vn_stat((struct vnode *)fp->f_data, &sb);
587 		break;
588 
589 	case DTYPE_SOCKET:
590 		error = soo_stat((struct socket *)fp->f_data, &sb);
591 		break;
592 
593 	default:
594 		panic("fstat");
595 		/*NOTREACHED*/
596 	}
597 	/* is this right for sockets?? */
598 	if (error == 0)
599 		error = bsdtohpuxstat(&sb, uap->hsb);
600 	return (error);
601 }
602 
603 hpuxulimit(p, uap, retval)
604 	struct proc *p;
605 	register struct args {
606 		int	cmd;
607 		long	newlimit;
608 	} *uap;
609 	long *retval;
610 {
611 	struct rlimit *limp;
612 	int error = 0;
613 
614 	limp = &p->p_rlimit[RLIMIT_FSIZE];
615 	switch (uap->cmd) {
616 	case 2:
617 		uap->newlimit *= 512;
618 		if (uap->newlimit > limp->rlim_max &&
619 		    (error = suser(p->p_ucred, &p->p_acflag)))
620 			break;
621 		limp->rlim_cur = limp->rlim_max = uap->newlimit;
622 		/* else fall into... */
623 
624 	case 1:
625 		*retval = limp->rlim_max / 512;
626 		break;
627 
628 	case 3:
629 		limp = &p->p_rlimit[RLIMIT_DATA];
630 		*retval = ctob(p->p_vmspace->vm_tsize) + limp->rlim_max;
631 		break;
632 
633 	default:
634 		error = EINVAL;
635 		break;
636 	}
637 	return (error);
638 }
639 
640 /*
641  * Map "real time" priorities 0 (high) thru 127 (low) into nice
642  * values -16 (high) thru -1 (low).
643  */
644 hpuxrtprio(cp, uap, retval)
645 	struct proc *cp;
646 	register struct args {
647 		int pid;
648 		int prio;
649 	} *uap;
650 	int *retval;
651 {
652 	struct proc *p;
653 	int nice, error;
654 
655 	if (uap->prio < RTPRIO_MIN && uap->prio > RTPRIO_MAX &&
656 	    uap->prio != RTPRIO_NOCHG && uap->prio != RTPRIO_RTOFF)
657 		return (EINVAL);
658 	if (uap->pid == 0)
659 		p = cp;
660 	else if ((p = pfind(uap->pid)) == 0)
661 		return (ESRCH);
662 	nice = p->p_nice;
663 	if (nice < NZERO)
664 		*retval = (nice + 16) << 3;
665 	else
666 		*retval = RTPRIO_RTOFF;
667 	switch (uap->prio) {
668 
669 	case RTPRIO_NOCHG:
670 		return (0);
671 
672 	case RTPRIO_RTOFF:
673 		if (nice >= NZERO)
674 			return (0);
675 		nice = NZERO;
676 		break;
677 
678 	default:
679 		nice = (uap->prio >> 3) - 16;
680 		break;
681 	}
682 	error = donice(cp, p, nice);
683 	if (error == EACCES)
684 		error = EPERM;
685 	return (error);
686 }
687 
688 hpuxadvise(p, uap, retval)
689 	struct proc *p;
690 	struct args {
691 		int	arg;
692 	} *uap;
693 	int *retval;
694 {
695 	int error = 0;
696 
697 	switch (uap->arg) {
698 	case 0:
699 		p->p_addr->u_pcb.pcb_flags |= PCB_HPUXMMAP;
700 		break;
701 	case 1:
702 		ICIA();
703 		break;
704 	case 2:
705 		DCIA();
706 		break;
707 	default:
708 		error = EINVAL;
709 		break;
710 	}
711 	return (error);
712 }
713 
714 hpuxptrace(p, uap, retval)
715 	struct proc *p;
716 	struct args {
717 		int	req;
718 		int	pid;
719 		int	*addr;
720 		int	data;
721 	} *uap;
722 	int *retval;
723 {
724 	int error;
725 
726 	if (uap->req == PT_STEP || uap->req == PT_CONTINUE) {
727 		if (uap->data) {
728 			uap->data = hpuxtobsdsig(uap->data);
729 			if (uap->data == 0)
730 				uap->data = NSIG;
731 		}
732 	}
733 	error = ptrace(p, uap, retval);
734 	return (error);
735 }
736 
737 hpuxgetdomainname(p, uap, retval)
738 	struct proc *p;
739 	register struct args {
740 		char	*domainname;
741 		u_int	len;
742 	} *uap;
743 	int *retval;
744 {
745 	if (uap->len > domainnamelen + 1)
746 		uap->len = domainnamelen + 1;
747 	return (copyout(domainname, uap->domainname, uap->len));
748 }
749 
750 hpuxsetdomainname(p, uap, retval)
751 	struct proc *p;
752 	register struct args {
753 		char	*domainname;
754 		u_int	len;
755 	} *uap;
756 	int *retval;
757 {
758 	int error;
759 
760 	if (error = suser(p->p_ucred, &p->p_acflag))
761 		return (error);
762 	if (uap->len > sizeof (domainname) - 1)
763 		return (EINVAL);
764 	domainnamelen = uap->len;
765 	error = copyin(uap->domainname, domainname, uap->len);
766 	domainname[domainnamelen] = 0;
767 	return (error);
768 }
769 
770 #ifdef SYSVSHM
771 hpuxshmat(p, uap, retval)
772 	struct proc *p;
773 	int *uap, *retval;
774 {
775 	return (shmat(p, uap, retval));
776 }
777 
778 hpuxshmctl(p, uap, retval)
779 	struct proc *p;
780 	int *uap, *retval;
781 {
782 	return (shmctl(p, uap, retval));
783 }
784 
785 hpuxshmdt(p, uap, retval)
786 	struct proc *p;
787 	int *uap, *retval;
788 {
789 	return (shmdt(p, uap, retval));
790 }
791 
792 hpuxshmget(p, uap, retval)
793 	struct proc *p;
794 	int *uap, *retval;
795 {
796 	return (shmget(p, uap, retval));
797 }
798 #endif
799 
800 /*
801  * Fake semaphore routines, just don't return an error.
802  * Should be adequate for starbase to run.
803  */
804 hpuxsemctl(p, uap, retval)
805 	struct proc *p;
806 	struct args {
807 		int semid;
808 		u_int semnum;
809 		int cmd;
810 		int arg;
811 	} *uap;
812 	int *retval;
813 {
814 	/* XXX: should do something here */
815 	return (0);
816 }
817 
818 hpuxsemget(p, uap, retval)
819 	struct proc *p;
820 	struct args {
821 		key_t key;
822 		int nsems;
823 		int semflg;
824 	} *uap;
825 	int *retval;
826 {
827 	/* XXX: should do something here */
828 	return (0);
829 }
830 
831 hpuxsemop(p, uap, retval)
832 	struct proc *p;
833 	struct args {
834 		int semid;
835 		struct sembuf *sops;
836 		u_int nsops;
837 	} *uap;
838 	int *retval;
839 {
840 	/* XXX: should do something here */
841 	return (0);
842 }
843 
844 /* convert from BSD to HPUX errno */
845 bsdtohpuxerrno(err)
846 	int err;
847 {
848 	if (err < 0 || err >= NERR)
849 		return(BERR);
850 	return((int)bsdtohpuxerrnomap[err]);
851 }
852 
853 hpuxstat1(fname, hsb, follow)
854 	char *fname;
855 	struct hpuxstat *hsb;
856 	int follow;
857 {
858 	int error;
859 	struct stat sb;
860 	struct nameidata nd;
861 
862 	NDINIT(&nd, LOOKUP, follow | LOCKLEAF, UIO_USERSPACE, fname, curproc);
863 	if (error = namei(&nd))
864 		return (error);
865 	error = vn_stat(nd.ni_vp, &sb);
866 	vput(nd.ni_vp);
867 	if (error == 0)
868 		error = bsdtohpuxstat(&sb, hsb);
869 	return (error);
870 }
871 
872 #include "grf.h"
873 #if NGRF > 0
874 #ifdef __STDC__
875 extern int grfopen(dev_t dev, int oflags, int devtype, struct proc *p);
876 #else
877 extern int grfopen();
878 #endif
879 #endif
880 
881 #define	NHIL	1	/* XXX */
882 #if NHIL > 0
883 #ifdef __STDC__
884 extern int hilopen(dev_t dev, int oflags, int devtype, struct proc *p);
885 #else
886 extern int hilopen();
887 #endif
888 #endif
889 
890 #include "conf.h"
891 
892 bsdtohpuxstat(sb, hsb)
893 	struct stat *sb;
894 	struct hpuxstat *hsb;
895 {
896 	struct hpuxstat ds;
897 
898 	bzero((caddr_t)&ds, sizeof(ds));
899 	ds.hst_dev = (u_short)sb->st_dev;
900 	ds.hst_ino = (u_long)sb->st_ino;
901 	ds.hst_mode = sb->st_mode;
902 	ds.hst_nlink = sb->st_nlink;
903 	ds.hst_uid = (u_short)sb->st_uid;
904 	ds.hst_gid = (u_short)sb->st_gid;
905 	/* XXX: I don't want to talk about it... */
906 	if ((sb->st_mode & S_IFMT) == S_IFCHR) {
907 #if NGRF > 0
908 		if (cdevsw[major(sb->st_rdev)].d_open == grfopen)
909 			ds.hst_rdev = grfdevno(sb->st_rdev);
910 #endif
911 #if NHIL > 0
912 		if (cdevsw[major(sb->st_rdev)].d_open == hilopen)
913 			ds.hst_rdev = hildevno(sb->st_rdev);
914 #endif
915 		;
916 	} else
917 		ds.hst_rdev = bsdtohpuxdev(sb->st_rdev);
918 	if (sb->st_size < (quad_t)1 << 32)
919 		ds.hst_size = (long)sb->st_size;
920 	else
921 		ds.hst_size = -2;
922 	ds.hst_atime = sb->st_atime;
923 	ds.hst_mtime = sb->st_mtime;
924 	ds.hst_ctime = sb->st_ctime;
925 	ds.hst_blksize = sb->st_blksize;
926 	ds.hst_blocks = sb->st_blocks;
927 	return(copyout((caddr_t)&ds, (caddr_t)hsb, sizeof(ds)));
928 }
929 
930 hpuxtobsdioctl(com)
931 	int com;
932 {
933 	switch (com) {
934 	case HPUXTIOCSLTC:
935 		com = TIOCSLTC; break;
936 	case HPUXTIOCGLTC:
937 		com = TIOCGLTC; break;
938 	case HPUXTIOCSPGRP:
939 		com = TIOCSPGRP; break;
940 	case HPUXTIOCGPGRP:
941 		com = TIOCGPGRP; break;
942 	case HPUXTIOCLBIS:
943 		com = TIOCLBIS; break;
944 	case HPUXTIOCLBIC:
945 		com = TIOCLBIC; break;
946 	case HPUXTIOCLSET:
947 		com = TIOCLSET; break;
948 	case HPUXTIOCLGET:
949 		com = TIOCLGET; break;
950 	}
951 	return(com);
952 }
953 
954 /*
955  * HPUX ioctl system call.  The differences here are:
956  *	IOC_IN also means IOC_VOID if the size portion is zero.
957  *	no FIOCLEX/FIONCLEX/FIOASYNC/FIOGETOWN/FIOSETOWN
958  *	the sgttyb struct is 2 bytes longer
959  */
960 hpuxioctl(p, uap, retval)
961 	struct proc *p;
962 	register struct args {
963 		int	fdes;
964 		int	cmd;
965 		caddr_t	cmarg;
966 	} *uap;
967 	int *retval;
968 {
969 	register struct filedesc *fdp = p->p_fd;
970 	register struct file *fp;
971 	register int com, error;
972 	register u_int size;
973 	caddr_t memp = 0;
974 #define STK_PARAMS	128
975 	char stkbuf[STK_PARAMS];
976 	caddr_t data = stkbuf;
977 
978 	com = uap->cmd;
979 
980 	/* XXX */
981 	if (com == HPUXTIOCGETP || com == HPUXTIOCSETP)
982 		return (getsettty(p, uap->fdes, com, uap->cmarg));
983 
984 	if (((unsigned)uap->fdes) >= fdp->fd_nfiles ||
985 	    (fp = fdp->fd_ofiles[uap->fdes]) == NULL)
986 		return (EBADF);
987 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
988 		return (EBADF);
989 
990 	/*
991 	 * Interpret high order word to find
992 	 * amount of data to be copied to/from the
993 	 * user's address space.
994 	 */
995 	size = IOCPARM_LEN(com);
996 	if (size > IOCPARM_MAX)
997 		return (ENOTTY);
998 	if (size > sizeof (stkbuf)) {
999 		memp = (caddr_t)malloc((u_long)size, M_IOCTLOPS, M_WAITOK);
1000 		data = memp;
1001 	}
1002 	if (com&IOC_IN) {
1003 		if (size) {
1004 			error = copyin(uap->cmarg, data, (u_int)size);
1005 			if (error) {
1006 				if (memp)
1007 					free(memp, M_IOCTLOPS);
1008 				return (error);
1009 			}
1010 		} else
1011 			*(caddr_t *)data = uap->cmarg;
1012 	} else if ((com&IOC_OUT) && size)
1013 		/*
1014 		 * Zero the buffer so the user always
1015 		 * gets back something deterministic.
1016 		 */
1017 		bzero(data, size);
1018 	else if (com&IOC_VOID)
1019 		*(caddr_t *)data = uap->cmarg;
1020 
1021 	switch (com) {
1022 
1023 	case HPUXFIOSNBIO:
1024 	{
1025 		char *ofp = &fdp->fd_ofileflags[uap->fdes];
1026 		int tmp;
1027 
1028 		if (*(int *)data)
1029 			*ofp |= UF_FIONBIO_ON;
1030 		else
1031 			*ofp &= ~UF_FIONBIO_ON;
1032 		/*
1033 		 * Only set/clear if FNONBLOCK not in effect
1034 		 */
1035 		if ((*ofp & UF_FNDELAY_ON) == 0) {
1036 			tmp = fp->f_flag & FNONBLOCK;
1037 			error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO,
1038 						       (caddr_t)&tmp, p);
1039 		}
1040 		break;
1041 	}
1042 
1043 	case HPUXTIOCCONS:
1044 		*(int *)data = 1;
1045 		error = (*fp->f_ops->fo_ioctl)(fp, TIOCCONS, data, p);
1046 		break;
1047 
1048 	/* BSD-style job control ioctls */
1049 	case HPUXTIOCLBIS:
1050 	case HPUXTIOCLBIC:
1051 	case HPUXTIOCLSET:
1052 		*(int *)data &= HPUXLTOSTOP;
1053 		if (*(int *)data & HPUXLTOSTOP)
1054 			*(int *)data = LTOSTOP;
1055 		/* fall into */
1056 	case HPUXTIOCLGET:
1057 	case HPUXTIOCSLTC:
1058 	case HPUXTIOCGLTC:
1059 	case HPUXTIOCSPGRP:
1060 	case HPUXTIOCGPGRP:
1061 		error = (*fp->f_ops->fo_ioctl)
1062 			(fp, hpuxtobsdioctl(com), data, p);
1063 		if (error == 0 && com == HPUXTIOCLGET) {
1064 			*(int *)data &= LTOSTOP;
1065 			if (*(int *)data & LTOSTOP)
1066 				*(int *)data = HPUXLTOSTOP;
1067 		}
1068 		break;
1069 
1070 	/* SYS 5 termio */
1071 	case HPUXTCGETA:
1072 	case HPUXTCSETA:
1073 	case HPUXTCSETAW:
1074 	case HPUXTCSETAF:
1075 		error = hpuxtermio(fp, com, data, p);
1076 		break;
1077 
1078 	default:
1079 		error = (*fp->f_ops->fo_ioctl)(fp, com, data, p);
1080 		break;
1081 	}
1082 	/*
1083 	 * Copy any data to user, size was
1084 	 * already set and checked above.
1085 	 */
1086 	if (error == 0 && (com&IOC_OUT) && size)
1087 		error = copyout(data, uap->cmarg, (u_int)size);
1088 	if (memp)
1089 		free(memp, M_IOCTLOPS);
1090 	return (error);
1091 }
1092 
1093 /*
1094  * Man page lies, behaviour here is based on observed behaviour.
1095  */
1096 hpuxgetcontext(p, uap, retval)
1097 	struct proc *p;
1098 	struct args {
1099 		char *buf;
1100 		int len;
1101 	} *uap;
1102 	int *retval;
1103 {
1104 	int error = 0;
1105 	register int len;
1106 
1107 #if defined(HP380)
1108 	if (machineid == HP_380) {
1109 		len = MIN(uap->len, sizeof(hpux040context));
1110 		if (len)
1111 			error = copyout(hpux040context, uap->buf, len);
1112 		if (error == 0)
1113 			*retval = sizeof(hpux040context);
1114 		return (error);
1115 	}
1116 #endif
1117 	len = MIN(uap->len, sizeof(hpuxcontext));
1118 	if (len)
1119 		error = copyout(hpuxcontext, uap->buf, (u_int)len);
1120 	if (error == 0)
1121 		*retval = sizeof(hpuxcontext);
1122 	return (error);
1123 }
1124 
1125 /*
1126  * This is the equivalent of BSD getpgrp but with more restrictions.
1127  * Note we do not check the real uid or "saved" uid.
1128  */
1129 hpuxgetpgrp2(cp, uap, retval)
1130 	struct proc *cp;
1131 	register struct args {
1132 		int pid;
1133 	} *uap;
1134 	int *retval;
1135 {
1136 	register struct proc *p;
1137 
1138 	if (uap->pid == 0)
1139 		uap->pid = cp->p_pid;
1140 	p = pfind(uap->pid);
1141 	if (p == 0)
1142 		return (ESRCH);
1143 	if (cp->p_ucred->cr_uid && p->p_ucred->cr_uid != cp->p_ucred->cr_uid &&
1144 	    !inferior(p))
1145 		return (EPERM);
1146 	*retval = p->p_pgid;
1147 	return (0);
1148 }
1149 
1150 /*
1151  * This is the equivalent of BSD setpgrp but with more restrictions.
1152  * Note we do not check the real uid or "saved" uid or pgrp.
1153  */
1154 hpuxsetpgrp2(p, uap, retval)
1155 	struct proc *p;
1156 	struct args {
1157 		int	pid;
1158 		int	pgrp;
1159 	} *uap;
1160 	int *retval;
1161 {
1162 	/* empirically determined */
1163 	if (uap->pgrp < 0 || uap->pgrp >= 30000)
1164 		return (EINVAL);
1165 	return (setpgid(p, uap, retval));
1166 }
1167 
1168 /*
1169  * XXX Same as BSD setre[ug]id right now.  Need to consider saved ids.
1170  */
1171 hpuxsetresuid(p, uap, retval)
1172 	struct proc *p;
1173 	struct args {
1174 		int	ruid;
1175 		int	euid;
1176 		int	suid;
1177 	} *uap;
1178 	int *retval;
1179 {
1180 	return (osetreuid(p, uap, retval));
1181 }
1182 
1183 hpuxsetresgid(p, uap, retval)
1184 	struct proc *p;
1185 	struct args {
1186 		int	rgid;
1187 		int	egid;
1188 		int	sgid;
1189 	} *uap;
1190 	int *retval;
1191 {
1192 	return (osetregid(p, uap, retval));
1193 }
1194 
1195 /*
1196  * XXX: simple recognition hack to see if we can make grmd work.
1197  */
1198 hpuxlockf(p, uap, retval)
1199 	struct proc *p;
1200 	struct args {
1201 		int fd;
1202 		int func;
1203 		long size;
1204 	} *uap;
1205 	int *retval;
1206 {
1207 #ifdef DEBUG
1208 	log(LOG_DEBUG, "%d: lockf(%d, %d, %d)\n",
1209 	    p->p_pid, uap->fd, uap->func, uap->size);
1210 #endif
1211 	return (0);
1212 }
1213 
1214 hpuxgetaccess(p, uap, retval)
1215 	register struct proc *p;
1216 	register struct args {
1217 		char	*path;
1218 		int	uid;
1219 		int	ngroups;
1220 		int	*gidset;
1221 		void	*label;
1222 		void	*privs;
1223 	} *uap;
1224 	int *retval;
1225 {
1226 	USES_VOP_ACCESS;
1227 	int lgroups[NGROUPS];
1228 	int error = 0;
1229 	register struct ucred *cred;
1230 	register struct vnode *vp;
1231 	struct nameidata nd;
1232 
1233 	/*
1234 	 * Build an appropriate credential structure
1235 	 */
1236 	cred = crdup(p->p_ucred);
1237 	switch (uap->uid) {
1238 	case 65502:	/* UID_EUID */
1239 		break;
1240 	case 65503:	/* UID_RUID */
1241 		cred->cr_uid = p->p_cred->p_ruid;
1242 		break;
1243 	case 65504:	/* UID_SUID */
1244 		error = EINVAL;
1245 		break;
1246 	default:
1247 		if (uap->uid > 65504)
1248 			error = EINVAL;
1249 		cred->cr_uid = uap->uid;
1250 		break;
1251 	}
1252 	switch (uap->ngroups) {
1253 	case -1:	/* NGROUPS_EGID */
1254 		cred->cr_ngroups = 1;
1255 		break;
1256 	case -5:	/* NGROUPS_EGID_SUPP */
1257 		break;
1258 	case -2:	/* NGROUPS_RGID */
1259 		cred->cr_ngroups = 1;
1260 		cred->cr_gid = p->p_cred->p_rgid;
1261 		break;
1262 	case -6:	/* NGROUPS_RGID_SUPP */
1263 		cred->cr_gid = p->p_cred->p_rgid;
1264 		break;
1265 	case -3:	/* NGROUPS_SGID */
1266 	case -7:	/* NGROUPS_SGID_SUPP */
1267 		error = EINVAL;
1268 		break;
1269 	case -4:	/* NGROUPS_SUPP */
1270 		if (cred->cr_ngroups > 1)
1271 			cred->cr_gid = cred->cr_groups[1];
1272 		else
1273 			error = EINVAL;
1274 		break;
1275 	default:
1276 		if (uap->ngroups > 0 && uap->ngroups <= NGROUPS)
1277 			error = copyin((caddr_t)uap->gidset,
1278 				       (caddr_t)&lgroups[0],
1279 				       uap->ngroups * sizeof(lgroups[0]));
1280 		else
1281 			error = EINVAL;
1282 		if (error == 0) {
1283 			int gid;
1284 
1285 			for (gid = 0; gid < uap->ngroups; gid++)
1286 				cred->cr_groups[gid] = lgroups[gid];
1287 			cred->cr_ngroups = uap->ngroups;
1288 		}
1289 		break;
1290 	}
1291 	/*
1292 	 * Lookup file using caller's effective IDs.
1293 	 */
1294 	if (error == 0) {
1295 		NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
1296 			uap->path, p);
1297 		error = namei(&nd);
1298 	}
1299 	if (error) {
1300 		crfree(cred);
1301 		return (error);
1302 	}
1303 	/*
1304 	 * Use the constructed credentials for access checks.
1305 	 */
1306 	vp = nd.ni_vp;
1307 	*retval = 0;
1308 	if (VOP_ACCESS(vp, VREAD, cred, p) == 0)
1309 		*retval |= R_OK;
1310 	if (vn_writechk(vp) == 0 && VOP_ACCESS(vp, VWRITE, cred, p) == 0)
1311 		*retval |= W_OK;
1312 	/* XXX we return X_OK for root on VREG even if not */
1313 	if (VOP_ACCESS(vp, VEXEC, cred, p) == 0)
1314 		*retval |= X_OK;
1315 	vput(vp);
1316 	crfree(cred);
1317 	return (error);
1318 }
1319 
1320 /*
1321  * Brutal hack!  Map HPUX u-area offsets into BSD u offsets.
1322  * No apologies offered, if you don't like it, rewrite it!
1323  */
1324 
1325 extern char kstack[];
1326 #define UOFF(f)		((int)&((struct user *)0)->f)
1327 #define HPUOFF(f)	((int)&((struct hpuxuser *)0)->f)
1328 
1329 /* simplified FP structure */
1330 struct bsdfp {
1331 	int save[54];
1332 	int reg[24];
1333 	int ctrl[3];
1334 };
1335 
1336 hpuxtobsduoff(off)
1337 	int *off;
1338 {
1339 	register int *ar0 = curproc->p_md.md_regs;
1340 	struct hpuxfp *hp;
1341 	struct bsdfp *bp;
1342 	register u_int raddr;
1343 
1344 	/* u_ar0 field; procxmt puts in U_ar0 */
1345 	if ((int)off == HPUOFF(hpuxu_ar0))
1346 		return(UOFF(U_ar0));
1347 
1348 #ifdef FPCOPROC
1349 	/* 68881 registers from PCB */
1350 	hp = (struct hpuxfp *)HPUOFF(hpuxu_fp);
1351 	bp = (struct bsdfp *)UOFF(u_pcb.pcb_fpregs);
1352 	if (off >= hp->hpfp_ctrl && off < &hp->hpfp_ctrl[3])
1353 		return((int)&bp->ctrl[off - hp->hpfp_ctrl]);
1354 	if (off >= hp->hpfp_reg && off < &hp->hpfp_reg[24])
1355 		return((int)&bp->reg[off - hp->hpfp_reg]);
1356 #endif
1357 
1358 	/*
1359 	 * Everything else we recognize comes from the kernel stack,
1360 	 * so we convert off to an absolute address (if not already)
1361 	 * for simplicity.
1362 	 */
1363 	if (off < (int *)ctob(UPAGES))
1364 		off = (int *)((u_int)off + (u_int)kstack);
1365 
1366 	/*
1367 	 * 68020 registers.
1368 	 * We know that the HPUX registers are in the same order as ours.
1369 	 * The only difference is that their PS is 2 bytes instead of a
1370 	 * padded 4 like ours throwing the alignment off.
1371 	 */
1372 	if (off >= ar0 && off < &ar0[18]) {
1373 		/*
1374 		 * PS: return low word and high word of PC as HP-UX would
1375 		 * (e.g. &u.u_ar0[16.5]).
1376 		 */
1377 		if (off == &ar0[PS])
1378 			raddr = (u_int) &((short *)ar0)[PS*2+1];
1379 		/*
1380 		 * PC: off will be &u.u_ar0[16.5]
1381 		 */
1382 		else if (off == (int *)&(((short *)ar0)[PS*2+1]))
1383 			raddr = (u_int) &ar0[PC];
1384 		/*
1385 		 * D0-D7, A0-A7: easy
1386 		 */
1387 		else
1388 			raddr = (u_int) &ar0[(int)(off - ar0)];
1389 		return((int)(raddr - (u_int)kstack));
1390 	}
1391 
1392 	/* everything else */
1393 	return(-1);
1394 }
1395 
1396 /*
1397  * Kludge up a uarea dump so that HPUX debuggers can find out
1398  * what they need.  IMPORTANT NOTE: we do not EVEN attempt to
1399  * convert the entire user struct.
1400  */
1401 hpuxdumpu(vp, cred)
1402 	struct vnode *vp;
1403 	struct ucred *cred;
1404 {
1405 	struct proc *p = curproc;
1406 	int error;
1407 	struct hpuxuser *faku;
1408 	struct bsdfp *bp;
1409 	short *foop;
1410 
1411 	faku = (struct hpuxuser *)malloc((u_long)ctob(1), M_TEMP, M_WAITOK);
1412 	/*
1413 	 * Make sure there is no mistake about this
1414 	 * being a real user structure.
1415 	 */
1416 	bzero((caddr_t)faku, ctob(1));
1417 	/*
1418 	 * Fill in the process sizes.
1419 	 */
1420 	faku->hpuxu_tsize = p->p_vmspace->vm_tsize;
1421 	faku->hpuxu_dsize = p->p_vmspace->vm_dsize;
1422 	faku->hpuxu_ssize = p->p_vmspace->vm_ssize;
1423 	/*
1424 	 * Fill in the exec header for CDB.
1425 	 * This was saved back in exec().  As far as I can tell CDB
1426 	 * only uses this information to verify that a particular
1427 	 * core file goes with a particular binary.
1428 	 */
1429 	bcopy((caddr_t)p->p_addr->u_pcb.pcb_exec,
1430 	      (caddr_t)&faku->hpuxu_exdata, sizeof (struct hpux_exec));
1431 	/*
1432 	 * Adjust user's saved registers (on kernel stack) to reflect
1433 	 * HPUX order.  Note that HPUX saves the SR as 2 bytes not 4
1434 	 * so we have to move it up.
1435 	 */
1436 	faku->hpuxu_ar0 = p->p_md.md_regs;
1437 	foop = (short *) p->p_md.md_regs;
1438 	foop[32] = foop[33];
1439 	foop[33] = foop[34];
1440 	foop[34] = foop[35];
1441 #ifdef FPCOPROC
1442 	/*
1443 	 * Copy 68881 registers from our PCB format to HPUX format
1444 	 */
1445 	bp = (struct bsdfp *) &p->p_addr->u_pcb.pcb_fpregs;
1446 	bcopy((caddr_t)bp->save, (caddr_t)faku->hpuxu_fp.hpfp_save,
1447 	      sizeof(bp->save));
1448 	bcopy((caddr_t)bp->ctrl, (caddr_t)faku->hpuxu_fp.hpfp_ctrl,
1449 	      sizeof(bp->ctrl));
1450 	bcopy((caddr_t)bp->reg, (caddr_t)faku->hpuxu_fp.hpfp_reg,
1451 	      sizeof(bp->reg));
1452 #endif
1453 	/*
1454 	 * Slay the dragon
1455 	 */
1456 	faku->hpuxu_dragon = -1;
1457 	/*
1458 	 * Dump this artfully constructed page in place of the
1459 	 * user struct page.
1460 	 */
1461 	error = vn_rdwr(UIO_WRITE, vp, (caddr_t)faku, ctob(1), (off_t)0,
1462 			UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred,
1463 			(int *)NULL, p);
1464 	/*
1465 	 * Dump the remaining UPAGES-1 pages normally
1466 	 */
1467 	if (!error)
1468 		error = vn_rdwr(UIO_WRITE, vp, kstack + ctob(1),
1469 				ctob(UPAGES-1), (off_t)ctob(1), UIO_SYSSPACE,
1470 				IO_NODELOCKED|IO_UNIT, cred, (int *)NULL, p);
1471 	free((caddr_t)faku, M_TEMP);
1472 	return(error);
1473 }
1474 
1475 /*
1476  * The remaining routines are essentially the same as those in kern_xxx.c
1477  * and vfs_xxx.c as defined under "#ifdef COMPAT".  We replicate them here
1478  * to avoid HPUXCOMPAT dependencies in those files and to make sure that
1479  * HP-UX compatibility still works even when COMPAT is not defined.
1480  */
1481 #define HPUX_HZ	50
1482 
1483 #include "sys/times.h"
1484 
1485 /* from old timeb.h */
1486 struct hpuxtimeb {
1487 	time_t	time;
1488 	u_short	millitm;
1489 	short	timezone;
1490 	short	dstflag;
1491 };
1492 
1493 /* ye ole stat structure */
1494 struct	ohpuxstat {
1495 	u_short	ohst_dev;
1496 	u_short	ohst_ino;
1497 	u_short ohst_mode;
1498 	short  	ohst_nlink;
1499 	short  	ohst_uid;
1500 	short  	ohst_gid;
1501 	u_short	ohst_rdev;
1502 	int	ohst_size;
1503 	int	ohst_atime;
1504 	int	ohst_mtime;
1505 	int	ohst_ctime;
1506 };
1507 
1508 /*
1509  * SYS V style setpgrp()
1510  */
1511 ohpuxsetpgrp(p, uap, retval)
1512 	register struct proc *p;
1513 	int *uap, *retval;
1514 {
1515 	if (p->p_pid != p->p_pgid)
1516 		enterpgrp(p, p->p_pid, 0);
1517 	*retval = p->p_pgid;
1518 	return (0);
1519 }
1520 
1521 ohpuxtime(p, uap, retval)
1522 	struct proc *p;
1523 	register struct args {
1524 		long	*tp;
1525 	} *uap;
1526 	time_t *retval;
1527 {
1528 	int error = 0;
1529 
1530 	if (uap->tp)
1531 		error = copyout((caddr_t)&time.tv_sec, (caddr_t)uap->tp,
1532 				sizeof (long));
1533 	*retval = time.tv_sec;
1534 	return (error);
1535 }
1536 
1537 ohpuxstime(p, uap, retval)
1538 	struct proc *p;
1539 	register struct args {
1540 		int	time;
1541 	} *uap;
1542 	int *retval;
1543 {
1544 	struct timeval tv;
1545 	int s, error;
1546 
1547 	tv.tv_sec = uap->time;
1548 	tv.tv_usec = 0;
1549 	if (error = suser(p->p_ucred, &p->p_acflag))
1550 		return (error);
1551 
1552 	/* WHAT DO WE DO ABOUT PENDING REAL-TIME TIMEOUTS??? */
1553 	boottime.tv_sec += tv.tv_sec - time.tv_sec;
1554 	s = splhigh(); time = tv; splx(s);
1555 	resettodr();
1556 	return (0);
1557 }
1558 
1559 ohpuxftime(p, uap, retval)
1560 	struct proc *p;
1561 	register struct args {
1562 		struct	hpuxtimeb *tp;
1563 	} *uap;
1564 	int *retval;
1565 {
1566 	struct hpuxtimeb tb;
1567 	int s;
1568 
1569 	s = splhigh();
1570 	tb.time = time.tv_sec;
1571 	tb.millitm = time.tv_usec / 1000;
1572 	splx(s);
1573 	tb.timezone = tz.tz_minuteswest;
1574 	tb.dstflag = tz.tz_dsttime;
1575 	return (copyout((caddr_t)&tb, (caddr_t)uap->tp, sizeof (tb)));
1576 }
1577 
1578 ohpuxalarm(p, uap, retval)
1579 	register struct proc *p;
1580 	register struct args {
1581 		int	deltat;
1582 	} *uap;
1583 	int *retval;
1584 {
1585 	int s = splhigh();
1586 
1587 	untimeout(realitexpire, (caddr_t)p);
1588 	timerclear(&p->p_realtimer.it_interval);
1589 	*retval = 0;
1590 	if (timerisset(&p->p_realtimer.it_value) &&
1591 	    timercmp(&p->p_realtimer.it_value, &time, >))
1592 		*retval = p->p_realtimer.it_value.tv_sec - time.tv_sec;
1593 	if (uap->deltat == 0) {
1594 		timerclear(&p->p_realtimer.it_value);
1595 		splx(s);
1596 		return (0);
1597 	}
1598 	p->p_realtimer.it_value = time;
1599 	p->p_realtimer.it_value.tv_sec += uap->deltat;
1600 	timeout(realitexpire, (caddr_t)p, hzto(&p->p_realtimer.it_value));
1601 	splx(s);
1602 	return (0);
1603 }
1604 
1605 ohpuxnice(p, uap, retval)
1606 	register struct proc *p;
1607 	register struct args {
1608 		int	niceness;
1609 	} *uap;
1610 	int *retval;
1611 {
1612 	int error;
1613 
1614 	error = donice(p, p, (p->p_nice-NZERO)+uap->niceness);
1615 	if (error == 0)
1616 		*retval = p->p_nice - NZERO;
1617 	return (error);
1618 }
1619 
1620 ohpuxtimes(p, uap, retval)
1621 	struct proc *p;
1622 	register struct args {
1623 		struct	tms *tmsb;
1624 	} *uap;
1625 	time_t *retval;
1626 {
1627 	struct tms atms;
1628 	int error;
1629 
1630 	atms.tms_utime = hpuxscale(&p->p_utime);
1631 	atms.tms_stime = hpuxscale(&p->p_stime);
1632 	atms.tms_cutime = hpuxscale(&p->p_stats->p_cru.ru_utime);
1633 	atms.tms_cstime = hpuxscale(&p->p_stats->p_cru.ru_stime);
1634 	error = copyout((caddr_t)&atms, (caddr_t)uap->tmsb, sizeof (atms));
1635 	if (error == 0)
1636 		*retval = hpuxscale(&time) - hpuxscale(&boottime);
1637 	return (error);
1638 }
1639 
1640 /*
1641  * Doesn't exactly do what the documentation says.
1642  * What we really do is return 1/HPUX_HZ-th of a second since that
1643  * is what HP-UX returns.
1644  */
1645 hpuxscale(tvp)
1646 	register struct timeval *tvp;
1647 {
1648 	return (tvp->tv_sec * HPUX_HZ + tvp->tv_usec * HPUX_HZ / 1000000);
1649 }
1650 
1651 /*
1652  * Set IUPD and IACC times on file.
1653  * Can't set ICHG.
1654  */
1655 ohpuxutime(p, uap, retval)
1656 	struct proc *p;
1657 	register struct a {
1658 		char	*fname;
1659 		time_t	*tptr;
1660 	} *uap;
1661 	int *retval;
1662 {
1663 	USES_VOP_SETATTR;
1664 	register struct vnode *vp;
1665 	struct vattr vattr;
1666 	time_t tv[2];
1667 	int error;
1668 	struct nameidata nd;
1669 
1670 	if (uap->tptr) {
1671 		error = copyin((caddr_t)uap->tptr, (caddr_t)tv, sizeof (tv));
1672 		if (error)
1673 			return (error);
1674 	} else
1675 		tv[0] = tv[1] = time.tv_sec;
1676 	vattr_null(&vattr);
1677 	vattr.va_atime.ts_sec = tv[0];
1678 	vattr.va_atime.ts_nsec = 0;
1679 	vattr.va_mtime.ts_sec = tv[1];
1680 	vattr.va_mtime.ts_nsec = 0;
1681 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, uap->fname, p);
1682 	if (error = namei(&nd))
1683 		return (error);
1684 	vp = nd.ni_vp;
1685 	if (vp->v_mount->mnt_flag & MNT_RDONLY)
1686 		error = EROFS;
1687 	else
1688 		error = VOP_SETATTR(vp, &vattr, nd.ni_cnd.cn_cred, p);
1689 	vput(vp);
1690 	return (error);
1691 }
1692 
1693 ohpuxpause(p, uap, retval)
1694 	struct proc *p;
1695 	int *uap, *retval;
1696 {
1697 	(void) tsleep(kstack, PPAUSE | PCATCH, "pause", 0);
1698 	/* always return EINTR rather than ERESTART... */
1699 	return (EINTR);
1700 }
1701 
1702 /*
1703  * The old fstat system call.
1704  */
1705 ohpuxfstat(p, uap, retval)
1706 	struct proc *p;
1707 	register struct args {
1708 		int	fd;
1709 		struct ohpuxstat *sb;
1710 	} *uap;
1711 	int *retval;
1712 {
1713 	register struct filedesc *fdp = p->p_fd;
1714 	struct file *fp;
1715 
1716 	if (((unsigned)uap->fd) >= fdp->fd_nfiles ||
1717 	    (fp = fdp->fd_ofiles[uap->fd]) == NULL)
1718 		return (EBADF);
1719 	if (fp->f_type != DTYPE_VNODE)
1720 		return (EINVAL);
1721 	return (ohpuxstat1((struct vnode *)fp->f_data, uap->sb));
1722 }
1723 
1724 /*
1725  * Old stat system call.  This version follows links.
1726  */
1727 ohpuxstat(p, uap, retval)
1728 	struct proc *p;
1729 	register struct args {
1730 		char	*fname;
1731 		struct ohpuxstat *sb;
1732 	} *uap;
1733 	int *retval;
1734 {
1735 	int error;
1736 	struct nameidata nd;
1737 
1738 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, uap->fname, p);
1739 	if (error = namei(&nd))
1740 		return (error);
1741 	error = ohpuxstat1(nd.ni_vp, uap->sb);
1742 	vput(nd.ni_vp);
1743 	return (error);
1744 }
1745 
1746 int
1747 ohpuxstat1(vp, ub)
1748 	register struct vnode *vp;
1749 	struct ohpuxstat *ub;
1750 {
1751 	USES_VOP_GETATTR;
1752 	struct ohpuxstat ds;
1753 	struct vattr vattr;
1754 	register int error;
1755 
1756 	error = VOP_GETATTR(vp, &vattr, curproc->p_ucred, curproc);
1757 	if (error)
1758 		return(error);
1759 	/*
1760 	 * Copy from inode table
1761 	 */
1762 	ds.ohst_dev = vattr.va_fsid;
1763 	ds.ohst_ino = (short)vattr.va_fileid;
1764 	ds.ohst_mode = (u_short)vattr.va_mode;
1765 	ds.ohst_nlink = vattr.va_nlink;
1766 	ds.ohst_uid = (short)vattr.va_uid;
1767 	ds.ohst_gid = (short)vattr.va_gid;
1768 	ds.ohst_rdev = (u_short)vattr.va_rdev;
1769 	ds.ohst_size = (int)vattr.va_size;
1770 	ds.ohst_atime = (int)vattr.va_atime.ts_sec;
1771 	ds.ohst_mtime = (int)vattr.va_mtime.ts_sec;
1772 	ds.ohst_ctime = (int)vattr.va_ctime.ts_sec;
1773 	return (copyout((caddr_t)&ds, (caddr_t)ub, sizeof(ds)));
1774 }
1775 #endif
1776