ultrix_misc.c revision 1.71.4.1
1 /* $NetBSD: ultrix_misc.c,v 1.71.4.1 2001/10/01 12:43:57 fvdl Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1997 Jonathan Stone (hereinafter referred to as the author) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone for 18 * the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1992, 1993 37 * The Regents of the University of California. All rights reserved. 38 * 39 * This software was developed by the Computer Systems Engineering group 40 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 41 * contributed to Berkeley. 42 * 43 * All advertising materials mentioning features or use of this software 44 * must display the following acknowledgement: 45 * This product includes software developed by the University of 46 * California, Lawrence Berkeley Laboratory. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed by the University of 59 * California, Berkeley and its contributors. 60 * 4. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * 77 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 78 * 79 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 80 */ 81 82 #if defined(_KERNEL_OPT) 83 #include "opt_nfsserver.h" 84 #include "opt_sysv.h" 85 #endif 86 87 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 88 89 /* 90 * Ultrix compatibility module. 91 * 92 * Ultrix system calls that are implemented differently in BSD are 93 * handled here. 94 */ 95 96 #if defined(_KERNEL_OPT) 97 #include "fs_nfs.h" 98 #endif 99 100 #include <sys/param.h> 101 #include <sys/systm.h> 102 #include <sys/namei.h> 103 #include <sys/dirent.h> 104 #include <sys/proc.h> 105 #include <sys/file.h> 106 #include <sys/filedesc.h> 107 #include <sys/kernel.h> 108 #include <sys/exec.h> 109 #include <sys/malloc.h> 110 #include <sys/mbuf.h> 111 #include <sys/mman.h> 112 #include <sys/mount.h> 113 #include <sys/resource.h> 114 #include <sys/resourcevar.h> 115 #include <sys/signal.h> 116 #include <sys/signalvar.h> 117 #include <sys/socket.h> 118 #include <sys/vnode.h> 119 #include <sys/uio.h> 120 #include <sys/wait.h> 121 #include <sys/utsname.h> 122 #include <sys/unistd.h> 123 #include <sys/ipc.h> 124 125 #include <sys/syscallargs.h> 126 127 #include <compat/ultrix/ultrix_syscall.h> 128 #include <compat/ultrix/ultrix_syscallargs.h> 129 #include <compat/common/compat_util.h> 130 131 #include <netinet/in.h> 132 133 #include <miscfs/specfs/specdev.h> 134 135 #include <nfs/rpcv2.h> 136 #include <nfs/nfsproto.h> 137 #include <nfs/nfs.h> 138 139 #include <sys/conf.h> /* iszerodev() */ 140 #include <sys/socketvar.h> /* sosetopt() */ 141 142 #include <compat/ultrix/ultrix_flock.h> 143 144 #ifdef __mips 145 #include <mips/cachectl.h> 146 #endif 147 148 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 149 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 150 151 extern struct sysent ultrix_sysent[]; 152 extern const char * const ultrix_syscallnames[]; 153 extern char ultrix_sigcode[], ultrix_esigcode[]; 154 #ifdef __HAVE_SYSCALL_INTERN 155 void syscall_intern(struct proc *); 156 #else 157 void syscall __P((void)); 158 #endif 159 160 const struct emul emul_ultrix = { 161 "ultrix", 162 "/emul/ultrix", 163 #ifndef __HAVE_MINIMAL_EMUL 164 0, 165 NULL, 166 ULTRIX_SYS_syscall, 167 ULTRIX_SYS_MAXSYSCALL, 168 #endif 169 ultrix_sysent, 170 ultrix_syscallnames, 171 sendsig, 172 trapsignal, 173 ultrix_sigcode, 174 ultrix_esigcode, 175 setregs, 176 NULL, 177 NULL, 178 NULL, 179 #ifdef __HAVE_SYSCALL_INTERN 180 syscall_intern, 181 #else 182 syscall, 183 #endif 184 }; 185 186 #define GSI_PROG_ENV 1 187 188 int 189 ultrix_sys_getsysinfo(p, v, retval) 190 struct proc *p; 191 void *v; 192 register_t *retval; 193 { 194 struct ultrix_sys_getsysinfo_args *uap = v; 195 static short progenv = 0; 196 197 switch (SCARG(uap, op)) { 198 /* operations implemented: */ 199 case GSI_PROG_ENV: 200 if (SCARG(uap, nbytes) < sizeof(short)) 201 return EINVAL; 202 *retval = 1; 203 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 204 default: 205 *retval = 0; /* info unavail */ 206 return 0; 207 } 208 } 209 210 int 211 ultrix_sys_setsysinfo(p, v, retval) 212 struct proc *p; 213 void *v; 214 register_t *retval; 215 { 216 217 #ifdef notyet 218 struct ultrix_sys_setsysinfo_args *uap = v; 219 #endif 220 221 *retval = 0; 222 return 0; 223 } 224 225 int 226 ultrix_sys_waitpid(p, v, retval) 227 struct proc *p; 228 void *v; 229 register_t *retval; 230 { 231 struct ultrix_sys_waitpid_args *uap = v; 232 struct sys_wait4_args ua; 233 234 SCARG(&ua, pid) = SCARG(uap, pid); 235 SCARG(&ua, status) = SCARG(uap, status); 236 SCARG(&ua, options) = SCARG(uap, options); 237 SCARG(&ua, rusage) = 0; 238 239 return (sys_wait4(p, &ua, retval)); 240 } 241 242 int 243 ultrix_sys_wait3(p, v, retval) 244 struct proc *p; 245 void *v; 246 register_t *retval; 247 { 248 struct ultrix_sys_wait3_args *uap = v; 249 struct sys_wait4_args ua; 250 251 SCARG(&ua, pid) = -1; 252 SCARG(&ua, status) = SCARG(uap, status); 253 SCARG(&ua, options) = SCARG(uap, options); 254 SCARG(&ua, rusage) = SCARG(uap, rusage); 255 256 return (sys_wait4(p, &ua, retval)); 257 } 258 259 /* 260 * Ultrix binaries pass in FD_MAX as the first arg to select(). 261 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 262 * can handle. 263 * Since we can't have more than the (native) FD_MAX descriptors open, 264 * limit nfds to at most FD_MAX. 265 */ 266 int 267 ultrix_sys_select(p, v, retval) 268 struct proc *p; 269 void *v; 270 register_t *retval; 271 { 272 struct sys_select_args *uap = v; 273 struct timeval atv; 274 int error; 275 276 /* Limit number of FDs selected on to the native maximum */ 277 278 if (SCARG(uap, nd) > FD_SETSIZE) 279 SCARG(uap, nd) = FD_SETSIZE; 280 281 /* Check for negative timeval */ 282 if (SCARG(uap, tv)) { 283 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 284 sizeof(atv)); 285 if (error) 286 goto done; 287 #ifdef DEBUG 288 /* Ultrix clients sometimes give negative timeouts? */ 289 if (atv.tv_sec < 0 || atv.tv_usec < 0) 290 printf("ultrix select( %ld, %ld): negative timeout\n", 291 atv.tv_sec, atv.tv_usec); 292 /*tvp = (timeval *)STACKGAPBASE;*/ 293 #endif 294 295 } 296 error = sys_select(p, (void*) uap, retval); 297 if (error == EINVAL) 298 printf("ultrix select: bad args?\n"); 299 300 done: 301 return error; 302 } 303 304 #if defined(NFS) 305 int 306 async_daemon(p, v, retval) 307 struct proc *p; 308 void *v; 309 register_t *retval; 310 { 311 struct sys_nfssvc_args ouap; 312 313 SCARG(&ouap, flag) = NFSSVC_BIOD; 314 SCARG(&ouap, argp) = NULL; 315 316 return (sys_nfssvc(p, &ouap, retval)); 317 } 318 #endif /* NFS */ 319 320 321 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 322 323 int 324 ultrix_sys_mmap(p, v, retval) 325 struct proc *p; 326 void *v; 327 register_t *retval; 328 { 329 struct ultrix_sys_mmap_args *uap = v; 330 struct sys_mmap_args ouap; 331 struct filedesc *fdp; 332 struct file *fp; 333 struct vnode *vp; 334 335 /* 336 * Verify the arguments. 337 */ 338 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 339 return (EINVAL); /* XXX still needed? */ 340 341 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 342 return (EINVAL); 343 344 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 345 SCARG(&ouap, addr) = SCARG(uap, addr); 346 347 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 348 SCARG(&ouap, addr) != 0 && 349 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 350 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 351 352 SCARG(&ouap, len) = SCARG(uap, len); 353 SCARG(&ouap, prot) = SCARG(uap, prot); 354 SCARG(&ouap, fd) = SCARG(uap, fd); 355 SCARG(&ouap, pos) = SCARG(uap, pos); 356 357 /* 358 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 359 */ 360 fdp = p->p_fd; 361 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 362 fp->f_type == DTYPE_VNODE && /*XXX*/ 363 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 364 iszerodev(vp->v_rdev)) { /*XXX*/ 365 SCARG(&ouap, flags) |= MAP_ANON; 366 SCARG(&ouap, fd) = -1; 367 } 368 369 return (sys_mmap(p, &ouap, retval)); 370 } 371 372 int 373 ultrix_sys_setsockopt(p, v, retval) 374 struct proc *p; 375 void *v; 376 register_t *retval; 377 { 378 struct ultrix_sys_setsockopt_args *uap = v; 379 struct file *fp; 380 struct mbuf *m = NULL; 381 int error; 382 383 /* getsock() will use the descriptor for us */ 384 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 385 return (error); 386 #define SO_DONTLINGER (~SO_LINGER) 387 if (SCARG(uap, name) == SO_DONTLINGER) { 388 m = m_get(M_WAIT, MT_SOOPTS); 389 mtod(m, struct linger *)->l_onoff = 0; 390 m->m_len = sizeof(struct linger); 391 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 392 SO_LINGER, m); 393 } 394 if (SCARG(uap, level) == IPPROTO_IP) { 395 #define EMUL_IP_MULTICAST_IF 2 396 #define EMUL_IP_MULTICAST_TTL 3 397 #define EMUL_IP_MULTICAST_LOOP 4 398 #define EMUL_IP_ADD_MEMBERSHIP 5 399 #define EMUL_IP_DROP_MEMBERSHIP 6 400 static int ipoptxlat[] = { 401 IP_MULTICAST_IF, 402 IP_MULTICAST_TTL, 403 IP_MULTICAST_LOOP, 404 IP_ADD_MEMBERSHIP, 405 IP_DROP_MEMBERSHIP 406 }; 407 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 408 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 409 SCARG(uap, name) = 410 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 411 } 412 } 413 if (SCARG(uap, valsize) > MLEN) { 414 error = EINVAL; 415 goto out; 416 } 417 if (SCARG(uap, val)) { 418 m = m_get(M_WAIT, MT_SOOPTS); 419 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 420 (u_int)SCARG(uap, valsize)); 421 if (error) { 422 (void) m_free(m); 423 goto out; 424 } 425 m->m_len = SCARG(uap, valsize); 426 } 427 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 428 SCARG(uap, name), m); 429 out: 430 FILE_UNUSE(fp, p); 431 return (error); 432 } 433 434 #define ULTRIX__SYS_NMLN 32 435 436 struct ultrix_utsname { 437 char sysname[ULTRIX__SYS_NMLN]; 438 char nodename[ULTRIX__SYS_NMLN]; 439 char release[ULTRIX__SYS_NMLN]; 440 char version[ULTRIX__SYS_NMLN]; 441 char machine[ULTRIX__SYS_NMLN]; 442 }; 443 444 int 445 ultrix_sys_uname(p, v, retval) 446 struct proc *p; 447 void *v; 448 register_t *retval; 449 { 450 struct ultrix_sys_uname_args *uap = v; 451 struct ultrix_utsname sut; 452 const char *cp; 453 char *dp, *ep; 454 455 memset(&sut, 0, sizeof(sut)); 456 457 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 458 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 459 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 460 dp = sut.version; 461 ep = &sut.version[sizeof(sut.version) - 1]; 462 for (cp = version; *cp && *cp != '('; cp++) 463 ; 464 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 465 *dp++ = *cp; 466 for (; *cp && *cp != '#'; cp++) 467 ; 468 for (; *cp && *cp != ':' && dp < ep; cp++) 469 *dp++ = *cp; 470 *dp = '\0'; 471 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 472 473 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 474 sizeof(struct ultrix_utsname)); 475 } 476 477 int 478 ultrix_sys_setpgrp(p, v, retval) 479 struct proc *p; 480 void *v; 481 register_t *retval; 482 { 483 struct ultrix_sys_setpgrp_args *uap = v; 484 485 /* 486 * difference to our setpgid call is to include backwards 487 * compatibility to pre-setsid() binaries. Do setsid() 488 * instead of setpgid() in those cases where the process 489 * tries to create a new session the old way. 490 */ 491 if (!SCARG(uap, pgid) && 492 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 493 return sys_setsid(p, uap, retval); 494 else 495 return sys_setpgid(p, uap, retval); 496 } 497 498 #if defined (NFSSERVER) 499 int 500 ultrix_sys_nfssvc(p, v, retval) 501 struct proc *p; 502 void *v; 503 register_t *retval; 504 { 505 506 #if 0 /* XXX */ 507 struct ultrix_sys_nfssvc_args *uap = v; 508 struct emul *e = p->p_emul; 509 struct sys_nfssvc_args outuap; 510 struct sockaddr sa; 511 int error; 512 513 memset(&outuap, 0, sizeof outuap); 514 SCARG(&outuap, fd) = SCARG(uap, fd); 515 SCARG(&outuap, mskval) = STACKGAPBASE; 516 SCARG(&outuap, msklen) = sizeof sa; 517 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 518 SCARG(&outuap, mtchlen) = sizeof sa; 519 520 memset(&sa, 0, sizeof sa); 521 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 522 return (error); 523 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 524 return (error); 525 526 return nfssvc(p, &outuap, retval); 527 #else 528 return (ENOSYS); 529 #endif 530 } 531 #endif /* NFSSERVER */ 532 533 struct ultrix_ustat { 534 daddr_t f_tfree; /* total free */ 535 ino_t f_tinode; /* total inodes free */ 536 char f_fname[6]; /* filsys name */ 537 char f_fpack[6]; /* filsys pack name */ 538 }; 539 540 int 541 ultrix_sys_ustat(p, v, retval) 542 struct proc *p; 543 void *v; 544 register_t *retval; 545 { 546 struct ultrix_sys_ustat_args *uap = v; 547 struct ultrix_ustat us; 548 int error; 549 550 memset(&us, 0, sizeof us); 551 552 /* 553 * XXX: should set f_tfree and f_tinode at least 554 * How do we translate dev -> fstat? (and then to ultrix_ustat) 555 */ 556 557 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 558 return (error); 559 return 0; 560 } 561 562 int 563 ultrix_sys_quotactl(p, v, retval) 564 struct proc *p; 565 void *v; 566 register_t *retval; 567 { 568 569 #ifdef notyet 570 struct ultrix_sys_quotactl_args *uap = v; 571 #endif 572 573 return EINVAL; 574 } 575 576 int 577 ultrix_sys_vhangup(p, v, retval) 578 struct proc *p; 579 void *v; 580 register_t *retval; 581 { 582 583 return 0; 584 } 585 586 587 /* 588 * RISC Ultrix cache control syscalls 589 */ 590 #ifdef __mips 591 int 592 ultrix_sys_cacheflush(p, v, retval) 593 struct proc *p; 594 void *v; 595 register_t *retval; 596 { 597 struct ultrix_sys_cacheflush_args /* { 598 syscallarg(void *) addr; 599 syscallarg(int) nbytes; 600 syscallarg(int) flag; 601 } */ *uap = v; 602 vaddr_t va = (vaddr_t)SCARG(uap, addr); 603 int nbytes = SCARG(uap, nbytes); 604 int whichcache = SCARG(uap, whichcache); 605 606 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 607 } 608 609 610 int 611 ultrix_sys_cachectl(p, v, retval) 612 struct proc *p; 613 void *v; 614 register_t *retval; 615 { 616 struct ultrix_sys_cachectl_args /* { 617 syscallarg(void *) addr; 618 syscallarg(int) nbytes; 619 syscallarg(int) cacheop; 620 } */ *uap = v; 621 vaddr_t va = (vaddr_t)SCARG(uap, addr); 622 int nbytes = SCARG(uap, nbytes); 623 int cacheop = SCARG(uap, cacheop); 624 625 return mips_user_cachectl(p, va, nbytes, cacheop); 626 } 627 628 #endif /* __mips */ 629 630 631 int 632 ultrix_sys_exportfs(p, v, retval) 633 struct proc *p; 634 void *v; 635 register_t *retval; 636 { 637 #ifdef notyet 638 struct ultrix_sys_exportfs_args *uap = v; 639 #endif 640 641 /* 642 * XXX: should perhaps translate into a mount(2) 643 * with MOUNT_EXPORT? 644 */ 645 return 0; 646 } 647 648 int 649 ultrix_sys_sigpending(p, v, retval) 650 struct proc *p; 651 void *v; 652 register_t *retval; 653 { 654 struct ultrix_sys_sigpending_args *uap = v; 655 sigset_t ss; 656 int mask; 657 658 sigpending1(p, &ss); 659 mask = ss.__bits[0]; 660 661 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 662 } 663 664 int 665 ultrix_sys_sigreturn(p, v, retval) 666 struct proc *p; 667 void *v; 668 register_t *retval; 669 { 670 struct ultrix_sys_sigreturn_args *uap = v; 671 672 /* struct sigcontext13 is close enough to Ultrix */ 673 674 return (compat_13_sys_sigreturn(p, uap, retval)); 675 } 676 677 int 678 ultrix_sys_sigcleanup(p, v, retval) 679 struct proc *p; 680 void *v; 681 register_t *retval; 682 { 683 struct ultrix_sys_sigcleanup_args *uap = v; 684 685 /* struct sigcontext13 is close enough to Ultrix */ 686 687 return (compat_13_sys_sigreturn(p, uap, retval)); 688 } 689 690 int 691 ultrix_sys_sigsuspend(p, v, retval) 692 struct proc *p; 693 void *v; 694 register_t *retval; 695 { 696 struct ultrix_sys_sigsuspend_args *uap = v; 697 int mask = SCARG(uap, mask); 698 sigset_t ss; 699 700 ss.__bits[0] = mask; 701 ss.__bits[1] = 0; 702 ss.__bits[2] = 0; 703 ss.__bits[3] = 0; 704 705 return (sigsuspend1(p, &ss)); 706 } 707 708 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 709 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 710 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 711 712 int 713 ultrix_sys_sigvec(p, v, retval) 714 struct proc *p; 715 void *v; 716 register_t *retval; 717 { 718 struct ultrix_sys_sigvec_args *uap = v; 719 struct sigvec nsv, osv; 720 struct sigaction nsa, osa; 721 int error; 722 723 if (SCARG(uap, nsv)) { 724 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 725 if (error) 726 return (error); 727 nsa.sa_handler = nsv.sv_handler; 728 #if 0 /* documentation */ 729 /* ONSTACK is identical */ 730 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 731 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 732 /* old signal() - always restart */ 733 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 734 /* inverted meaning (same bit) */ 735 ) 736 nsa.sa_flags |= SA_RESTART; 737 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 738 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 739 nsa.sa_flags ^= SA_RESTART; 740 #endif 741 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 742 } 743 error = sigaction1(p, SCARG(uap, signum), 744 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 745 if (error) 746 return (error); 747 if (SCARG(uap, osv)) { 748 osv.sv_handler = osa.sa_handler; 749 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 750 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 751 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 752 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 753 if (error) 754 return (error); 755 } 756 return (0); 757 } 758 759 int 760 ultrix_sys_shmsys(p, v, retval) 761 struct proc *p; 762 void *v; 763 register_t *retval; 764 { 765 766 #ifdef SYSVSHM 767 768 /* Ultrix SVSHM weirndess: */ 769 struct ultrix_sys_shmsys_args *uap = v; 770 struct sys_shmat_args shmat_args; 771 struct compat_14_sys_shmctl_args shmctl_args; 772 struct sys_shmdt_args shmdt_args; 773 struct sys_shmget_args shmget_args; 774 775 776 switch (SCARG(uap, shmop)) { 777 case 0: /* Ultrix shmat() */ 778 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 779 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 780 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 781 return (sys_shmat(p, &shmat_args, retval)); 782 783 case 1: /* Ultrix shmctl() */ 784 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 785 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 786 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 787 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 788 789 case 2: /* Ultrix shmdt() */ 790 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 791 return (sys_shmdt(p, &shmdt_args, retval)); 792 793 case 3: /* Ultrix shmget() */ 794 SCARG(&shmget_args, key) = SCARG(uap, a2); 795 SCARG(&shmget_args, size) = SCARG(uap, a3); 796 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 797 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 798 return (sys_shmget(p, &shmget_args, retval)); 799 800 default: 801 return (EINVAL); 802 } 803 #else 804 return (EOPNOTSUPP); 805 #endif /* SYSVSHM */ 806 } 807 808 static int 809 ultrix_to_bsd_flock(ufl, fl) 810 struct ultrix_flock *ufl; 811 struct flock *fl; 812 { 813 814 fl->l_start = ufl->l_start; 815 fl->l_len = ufl->l_len; 816 fl->l_pid = ufl->l_pid; 817 fl->l_whence = ufl->l_whence; 818 819 switch (ufl->l_type) { 820 case ULTRIX_F_RDLCK: 821 fl->l_type = F_RDLCK; 822 break; 823 case ULTRIX_F_WRLCK: 824 fl->l_type = F_WRLCK; 825 break; 826 case ULTRIX_F_UNLCK: 827 fl->l_type = F_UNLCK; 828 break; 829 default: 830 return (EINVAL); 831 } 832 833 return (0); 834 } 835 836 static void 837 bsd_to_ultrix_flock(fl, ufl) 838 struct flock *fl; 839 struct ultrix_flock *ufl; 840 { 841 842 ufl->l_start = fl->l_start; 843 ufl->l_len = fl->l_len; 844 ufl->l_pid = fl->l_pid; 845 ufl->l_whence = fl->l_whence; 846 847 switch (fl->l_type) { 848 case F_RDLCK: 849 ufl->l_type = ULTRIX_F_RDLCK; 850 break; 851 case F_WRLCK: 852 ufl->l_type = ULTRIX_F_WRLCK; 853 break; 854 case F_UNLCK: 855 ufl->l_type = ULTRIX_F_UNLCK; 856 break; 857 } 858 } 859 860 int 861 ultrix_sys_fcntl(p, v, retval) 862 struct proc *p; 863 void *v; 864 register_t *retval; 865 { 866 struct ultrix_sys_fcntl_args *uap = v; 867 int error; 868 struct ultrix_flock ufl; 869 struct flock fl, *flp; 870 caddr_t sg; 871 struct sys_fcntl_args *args, fca; 872 873 switch (SCARG(uap, cmd)) { 874 case F_GETLK: 875 case F_SETLK: 876 case F_SETLKW: 877 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 878 if (error) 879 return (error); 880 error = ultrix_to_bsd_flock(&ufl, &fl); 881 if (error) 882 return (error); 883 sg = stackgap_init(p->p_emul); 884 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 885 error = copyout(&fl, flp, sizeof(*flp)); 886 if (error) 887 return (error); 888 889 SCARG(&fca, fd) = SCARG(uap, fd); 890 SCARG(&fca, cmd) = SCARG(uap, cmd); 891 SCARG(&fca, arg) = flp; 892 args = &fca; 893 break; 894 default: 895 args = v; 896 break; 897 } 898 899 error = sys_fcntl(p, args, retval); 900 if (error) 901 return (error); 902 903 switch (SCARG(uap, cmd)) { 904 case F_GETLK: 905 error = copyin(flp, &fl, sizeof(fl)); 906 if (error) 907 return (error); 908 bsd_to_ultrix_flock(&fl, &ufl); 909 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 910 break; 911 } 912 913 return (error); 914 } 915
Indexes created Fri Oct 03 15:10:06 GMT 2025