ultrix_misc.c revision 1.68.2.8
1 /* $NetBSD: ultrix_misc.c,v 1.68.2.8 2002/08/01 02:44:29 nathanw 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 #include <sys/cdefs.h> 83 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.68.2.8 2002/08/01 02:44:29 nathanw Exp $"); 84 85 #if defined(_KERNEL_OPT) 86 #include "opt_nfsserver.h" 87 #include "opt_sysv.h" 88 #endif 89 90 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 91 92 /* 93 * Ultrix compatibility module. 94 * 95 * Ultrix system calls that are implemented differently in BSD are 96 * handled here. 97 */ 98 99 #if defined(_KERNEL_OPT) 100 #include "fs_nfs.h" 101 #endif 102 103 #include <sys/param.h> 104 #include <sys/systm.h> 105 #include <sys/namei.h> 106 #include <sys/dirent.h> 107 #include <sys/proc.h> 108 #include <sys/file.h> 109 #include <sys/filedesc.h> 110 #include <sys/kernel.h> 111 #include <sys/exec.h> 112 #include <sys/malloc.h> 113 #include <sys/mbuf.h> 114 #include <sys/mman.h> 115 #include <sys/mount.h> 116 #include <sys/resource.h> 117 #include <sys/resourcevar.h> 118 #include <sys/signal.h> 119 #include <sys/signalvar.h> 120 #include <sys/socket.h> 121 #include <sys/vnode.h> 122 #include <sys/uio.h> 123 #include <sys/wait.h> 124 #include <sys/utsname.h> 125 #include <sys/unistd.h> 126 #include <sys/ipc.h> 127 128 #include <sys/sa.h> 129 #include <sys/syscallargs.h> 130 131 #include <compat/ultrix/ultrix_syscall.h> 132 #include <compat/ultrix/ultrix_syscallargs.h> 133 #include <compat/common/compat_util.h> 134 135 #include <netinet/in.h> 136 137 #include <miscfs/specfs/specdev.h> 138 139 #include <nfs/rpcv2.h> 140 #include <nfs/nfsproto.h> 141 #include <nfs/nfs.h> 142 143 #include <sys/conf.h> /* iszerodev() */ 144 #include <sys/socketvar.h> /* sosetopt() */ 145 146 #include <compat/ultrix/ultrix_flock.h> 147 148 #ifdef __mips 149 #include <mips/cachectl.h> 150 #endif 151 152 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 153 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 154 155 extern struct sysent ultrix_sysent[]; 156 extern const char * const ultrix_syscallnames[]; 157 extern char ultrix_sigcode[], ultrix_esigcode[]; 158 #ifdef __HAVE_SYSCALL_INTERN 159 void syscall_intern(struct proc *); 160 #else 161 void syscall __P((void)); 162 #endif 163 164 const struct emul emul_ultrix = { 165 "ultrix", 166 "/emul/ultrix", 167 #ifndef __HAVE_MINIMAL_EMUL 168 0, 169 NULL, 170 ULTRIX_SYS_syscall, 171 ULTRIX_SYS_MAXSYSCALL, 172 #endif 173 ultrix_sysent, 174 ultrix_syscallnames, 175 sendsig, 176 trapsignal, 177 ultrix_sigcode, 178 ultrix_esigcode, 179 setregs, 180 NULL, 181 NULL, 182 NULL, 183 #ifdef __HAVE_SYSCALL_INTERN 184 syscall_intern, 185 #else 186 syscall, 187 #endif 188 }; 189 190 #define GSI_PROG_ENV 1 191 192 int 193 ultrix_sys_getsysinfo(l, v, retval) 194 struct lwp *l; 195 void *v; 196 register_t *retval; 197 { 198 struct ultrix_sys_getsysinfo_args *uap = v; 199 static short progenv = 0; 200 201 switch (SCARG(uap, op)) { 202 /* operations implemented: */ 203 case GSI_PROG_ENV: 204 if (SCARG(uap, nbytes) < sizeof(short)) 205 return EINVAL; 206 *retval = 1; 207 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 208 default: 209 *retval = 0; /* info unavail */ 210 return 0; 211 } 212 } 213 214 int 215 ultrix_sys_setsysinfo(l, v, retval) 216 struct lwp *l; 217 void *v; 218 register_t *retval; 219 { 220 221 #ifdef notyet 222 struct ultrix_sys_setsysinfo_args *uap = v; 223 #endif 224 225 *retval = 0; 226 return 0; 227 } 228 229 int 230 ultrix_sys_waitpid(l, v, retval) 231 struct lwp *l; 232 void *v; 233 register_t *retval; 234 { 235 struct ultrix_sys_waitpid_args *uap = v; 236 struct sys_wait4_args ua; 237 238 SCARG(&ua, pid) = SCARG(uap, pid); 239 SCARG(&ua, status) = SCARG(uap, status); 240 SCARG(&ua, options) = SCARG(uap, options); 241 SCARG(&ua, rusage) = 0; 242 243 return (sys_wait4(l, &ua, retval)); 244 } 245 246 int 247 ultrix_sys_wait3(l, v, retval) 248 struct lwp *l; 249 void *v; 250 register_t *retval; 251 { 252 struct ultrix_sys_wait3_args *uap = v; 253 struct sys_wait4_args ua; 254 255 SCARG(&ua, pid) = -1; 256 SCARG(&ua, status) = SCARG(uap, status); 257 SCARG(&ua, options) = SCARG(uap, options); 258 SCARG(&ua, rusage) = SCARG(uap, rusage); 259 260 return (sys_wait4(l, &ua, retval)); 261 } 262 263 /* 264 * Ultrix binaries pass in FD_MAX as the first arg to select(). 265 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 266 * can handle. 267 * Since we can't have more than the (native) FD_MAX descriptors open, 268 * limit nfds to at most FD_MAX. 269 */ 270 int 271 ultrix_sys_select(l, v, retval) 272 struct lwp *l; 273 void *v; 274 register_t *retval; 275 { 276 struct sys_select_args *uap = v; 277 struct timeval atv; 278 int error; 279 280 /* Limit number of FDs selected on to the native maximum */ 281 282 if (SCARG(uap, nd) > FD_SETSIZE) 283 SCARG(uap, nd) = FD_SETSIZE; 284 285 /* Check for negative timeval */ 286 if (SCARG(uap, tv)) { 287 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 288 sizeof(atv)); 289 if (error) 290 goto done; 291 #ifdef DEBUG 292 /* Ultrix clients sometimes give negative timeouts? */ 293 if (atv.tv_sec < 0 || atv.tv_usec < 0) 294 printf("ultrix select( %ld, %ld): negative timeout\n", 295 atv.tv_sec, atv.tv_usec); 296 #endif 297 298 } 299 error = sys_select(l, (void*) uap, retval); 300 if (error == EINVAL) 301 printf("ultrix select: bad args?\n"); 302 303 done: 304 return error; 305 } 306 307 #if defined(NFS) 308 int 309 async_daemon(l, v, retval) 310 struct lwp *l; 311 void *v; 312 register_t *retval; 313 { 314 struct sys_nfssvc_args ouap; 315 316 SCARG(&ouap, flag) = NFSSVC_BIOD; 317 SCARG(&ouap, argp) = NULL; 318 319 return (sys_nfssvc(l, &ouap, retval)); 320 } 321 #endif /* NFS */ 322 323 324 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 325 326 int 327 ultrix_sys_mmap(l, v, retval) 328 struct lwp *l; 329 void *v; 330 register_t *retval; 331 { 332 struct ultrix_sys_mmap_args *uap = v; 333 struct proc *p = l->l_proc; 334 struct sys_mmap_args ouap; 335 struct filedesc *fdp; 336 struct file *fp; 337 struct vnode *vp; 338 339 /* 340 * Verify the arguments. 341 */ 342 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 343 return (EINVAL); /* XXX still needed? */ 344 345 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 346 return (EINVAL); 347 348 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 349 SCARG(&ouap, addr) = SCARG(uap, addr); 350 351 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 352 SCARG(&ouap, addr) != 0 && 353 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 354 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 355 356 SCARG(&ouap, len) = SCARG(uap, len); 357 SCARG(&ouap, prot) = SCARG(uap, prot); 358 SCARG(&ouap, fd) = SCARG(uap, fd); 359 SCARG(&ouap, pos) = SCARG(uap, pos); 360 361 /* 362 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 363 */ 364 fdp = p->p_fd; 365 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 366 fp->f_type == DTYPE_VNODE && /*XXX*/ 367 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 368 iszerodev(vp->v_rdev)) { /*XXX*/ 369 SCARG(&ouap, flags) |= MAP_ANON; 370 SCARG(&ouap, fd) = -1; 371 } 372 373 return (sys_mmap(l, &ouap, retval)); 374 } 375 376 int 377 ultrix_sys_setsockopt(l, v, retval) 378 struct lwp *l; 379 void *v; 380 register_t *retval; 381 { 382 struct ultrix_sys_setsockopt_args *uap = v; 383 struct proc *p = l->l_proc; 384 struct file *fp; 385 struct mbuf *m = NULL; 386 int error; 387 388 /* getsock() will use the descriptor for us */ 389 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 390 return (error); 391 #define SO_DONTLINGER (~SO_LINGER) 392 if (SCARG(uap, name) == SO_DONTLINGER) { 393 m = m_get(M_WAIT, MT_SOOPTS); 394 mtod(m, struct linger *)->l_onoff = 0; 395 m->m_len = sizeof(struct linger); 396 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 397 SO_LINGER, m); 398 } 399 if (SCARG(uap, level) == IPPROTO_IP) { 400 #define EMUL_IP_MULTICAST_IF 2 401 #define EMUL_IP_MULTICAST_TTL 3 402 #define EMUL_IP_MULTICAST_LOOP 4 403 #define EMUL_IP_ADD_MEMBERSHIP 5 404 #define EMUL_IP_DROP_MEMBERSHIP 6 405 static int ipoptxlat[] = { 406 IP_MULTICAST_IF, 407 IP_MULTICAST_TTL, 408 IP_MULTICAST_LOOP, 409 IP_ADD_MEMBERSHIP, 410 IP_DROP_MEMBERSHIP 411 }; 412 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 413 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 414 SCARG(uap, name) = 415 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 416 } 417 } 418 if (SCARG(uap, valsize) > MLEN) { 419 error = EINVAL; 420 goto out; 421 } 422 if (SCARG(uap, val)) { 423 m = m_get(M_WAIT, MT_SOOPTS); 424 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 425 (u_int)SCARG(uap, valsize)); 426 if (error) { 427 (void) m_free(m); 428 goto out; 429 } 430 m->m_len = SCARG(uap, valsize); 431 } 432 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 433 SCARG(uap, name), m); 434 out: 435 FILE_UNUSE(fp, p); 436 return (error); 437 } 438 439 #define ULTRIX__SYS_NMLN 32 440 441 struct ultrix_utsname { 442 char sysname[ULTRIX__SYS_NMLN]; 443 char nodename[ULTRIX__SYS_NMLN]; 444 char release[ULTRIX__SYS_NMLN]; 445 char version[ULTRIX__SYS_NMLN]; 446 char machine[ULTRIX__SYS_NMLN]; 447 }; 448 449 int 450 ultrix_sys_uname(l, v, retval) 451 struct lwp *l; 452 void *v; 453 register_t *retval; 454 { 455 struct ultrix_sys_uname_args *uap = v; 456 struct ultrix_utsname sut; 457 const char *cp; 458 char *dp, *ep; 459 460 memset(&sut, 0, sizeof(sut)); 461 462 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 463 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 464 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 465 dp = sut.version; 466 ep = &sut.version[sizeof(sut.version) - 1]; 467 for (cp = version; *cp && *cp != '('; cp++) 468 ; 469 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 470 *dp++ = *cp; 471 for (; *cp && *cp != '#'; cp++) 472 ; 473 for (; *cp && *cp != ':' && dp < ep; cp++) 474 *dp++ = *cp; 475 *dp = '\0'; 476 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 477 478 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 479 sizeof(struct ultrix_utsname)); 480 } 481 482 int 483 ultrix_sys_setpgrp(l, v, retval) 484 struct lwp *l; 485 void *v; 486 register_t *retval; 487 { 488 struct ultrix_sys_setpgrp_args *uap = v; 489 struct proc *p = l->l_proc; 490 491 /* 492 * difference to our setpgid call is to include backwards 493 * compatibility to pre-setsid() binaries. Do setsid() 494 * instead of setpgid() in those cases where the process 495 * tries to create a new session the old way. 496 */ 497 if (!SCARG(uap, pgid) && 498 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 499 return sys_setsid(l, uap, retval); 500 else 501 return sys_setpgid(l, uap, retval); 502 } 503 504 #if defined (NFSSERVER) 505 int 506 ultrix_sys_nfssvc(l, v, retval) 507 struct lwp *l; 508 void *v; 509 register_t *retval; 510 { 511 512 #if 0 /* XXX */ 513 struct ultrix_sys_nfssvc_args *uap = v; 514 struct emul *e = p->p_emul; 515 struct sys_nfssvc_args outuap; 516 struct sockaddr sa; 517 int error; 518 caddr_t sg = stackgap_init(p, 0); 519 520 memset(&outuap, 0, sizeof outuap); 521 SCARG(&outuap, fd) = SCARG(uap, fd); 522 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 523 SCARG(&outuap, msklen) = sizeof sa; 524 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 525 SCARG(&outuap, mtchlen) = sizeof sa; 526 527 memset(&sa, 0, sizeof sa); 528 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 529 return (error); 530 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 531 return (error); 532 533 return nfssvc(l, &outuap, retval); 534 #else 535 return (ENOSYS); 536 #endif 537 } 538 #endif /* NFSSERVER */ 539 540 struct ultrix_ustat { 541 daddr_t f_tfree; /* total free */ 542 ino_t f_tinode; /* total inodes free */ 543 char f_fname[6]; /* filsys name */ 544 char f_fpack[6]; /* filsys pack name */ 545 }; 546 547 int 548 ultrix_sys_ustat(l, v, retval) 549 struct lwp *l; 550 void *v; 551 register_t *retval; 552 { 553 struct ultrix_sys_ustat_args *uap = v; 554 struct ultrix_ustat us; 555 int error; 556 557 memset(&us, 0, sizeof us); 558 559 /* 560 * XXX: should set f_tfree and f_tinode at least 561 * How do we translate dev -> fstat? (and then to ultrix_ustat) 562 */ 563 564 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 565 return (error); 566 return 0; 567 } 568 569 int 570 ultrix_sys_quotactl(l, v, retval) 571 struct lwp *l; 572 void *v; 573 register_t *retval; 574 { 575 576 #ifdef notyet 577 struct ultrix_sys_quotactl_args *uap = v; 578 #endif 579 580 return EINVAL; 581 } 582 583 int 584 ultrix_sys_vhangup(l, v, retval) 585 struct lwp *l; 586 void *v; 587 register_t *retval; 588 { 589 590 return 0; 591 } 592 593 594 /* 595 * RISC Ultrix cache control syscalls 596 */ 597 #ifdef __mips 598 int 599 ultrix_sys_cacheflush(l, v, retval) 600 struct lwp *l; 601 void *v; 602 register_t *retval; 603 { 604 struct ultrix_sys_cacheflush_args /* { 605 syscallarg(void *) addr; 606 syscallarg(int) nbytes; 607 syscallarg(int) flag; 608 } */ *uap = v; 609 struct proc *p = l->l_proc; 610 vaddr_t va = (vaddr_t)SCARG(uap, addr); 611 int nbytes = SCARG(uap, nbytes); 612 int whichcache = SCARG(uap, whichcache); 613 614 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 615 } 616 617 618 int 619 ultrix_sys_cachectl(l, v, retval) 620 struct lwp *l; 621 void *v; 622 register_t *retval; 623 { 624 struct ultrix_sys_cachectl_args /* { 625 syscallarg(void *) addr; 626 syscallarg(int) nbytes; 627 syscallarg(int) cacheop; 628 } */ *uap = v; 629 struct proc *p = l->l_proc; 630 vaddr_t va = (vaddr_t)SCARG(uap, addr); 631 int nbytes = SCARG(uap, nbytes); 632 int cacheop = SCARG(uap, cacheop); 633 634 return mips_user_cachectl(p, va, nbytes, cacheop); 635 } 636 637 #endif /* __mips */ 638 639 640 int 641 ultrix_sys_exportfs(l, v, retval) 642 struct lwp *l; 643 void *v; 644 register_t *retval; 645 { 646 #ifdef notyet 647 struct ultrix_sys_exportfs_args *uap = v; 648 #endif 649 650 /* 651 * XXX: should perhaps translate into a mount(2) 652 * with MOUNT_EXPORT? 653 */ 654 return 0; 655 } 656 657 int 658 ultrix_sys_sigpending(l, v, retval) 659 struct lwp *l; 660 void *v; 661 register_t *retval; 662 { 663 struct ultrix_sys_sigpending_args *uap = v; 664 sigset_t ss; 665 int mask; 666 667 sigpending1(l->l_proc, &ss); 668 mask = ss.__bits[0]; 669 670 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 671 } 672 673 int 674 ultrix_sys_sigreturn(l, v, retval) 675 struct lwp *l; 676 void *v; 677 register_t *retval; 678 { 679 struct ultrix_sys_sigreturn_args *uap = v; 680 681 /* struct sigcontext13 is close enough to Ultrix */ 682 683 return (compat_13_sys_sigreturn(l, uap, retval)); 684 } 685 686 int 687 ultrix_sys_sigcleanup(l, v, retval) 688 struct lwp *l; 689 void *v; 690 register_t *retval; 691 { 692 struct ultrix_sys_sigcleanup_args *uap = v; 693 694 /* struct sigcontext13 is close enough to Ultrix */ 695 696 return (compat_13_sys_sigreturn(l, uap, retval)); 697 } 698 699 int 700 ultrix_sys_sigsuspend(l, v, retval) 701 struct lwp *l; 702 void *v; 703 register_t *retval; 704 { 705 struct ultrix_sys_sigsuspend_args *uap = v; 706 int mask = SCARG(uap, mask); 707 sigset_t ss; 708 709 ss.__bits[0] = mask; 710 ss.__bits[1] = 0; 711 ss.__bits[2] = 0; 712 ss.__bits[3] = 0; 713 714 return (sigsuspend1(l->l_proc, &ss)); 715 } 716 717 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 718 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 719 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 720 721 int 722 ultrix_sys_sigvec(l, v, retval) 723 struct lwp *l; 724 void *v; 725 register_t *retval; 726 { 727 struct ultrix_sys_sigvec_args *uap = v; 728 struct sigvec nsv, osv; 729 struct sigaction nsa, osa; 730 int error; 731 732 if (SCARG(uap, nsv)) { 733 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 734 if (error) 735 return (error); 736 nsa.sa_handler = nsv.sv_handler; 737 #if 0 /* documentation */ 738 /* ONSTACK is identical */ 739 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 740 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 741 /* old signal() - always restart */ 742 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 743 /* inverted meaning (same bit) */ 744 ) 745 nsa.sa_flags |= SA_RESTART; 746 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 747 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 748 nsa.sa_flags ^= SA_RESTART; 749 #endif 750 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 751 } 752 error = sigaction1(l->l_proc, SCARG(uap, signum), 753 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 754 NULL, 0); 755 if (error) 756 return (error); 757 if (SCARG(uap, osv)) { 758 osv.sv_handler = osa.sa_handler; 759 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 760 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 761 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 762 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 763 if (error) 764 return (error); 765 } 766 return (0); 767 } 768 769 int 770 ultrix_sys_shmsys(l, v, retval) 771 struct lwp *l; 772 void *v; 773 register_t *retval; 774 { 775 776 #ifdef SYSVSHM 777 778 /* Ultrix SVSHM weirndess: */ 779 struct ultrix_sys_shmsys_args *uap = v; 780 struct sys_shmat_args shmat_args; 781 struct compat_14_sys_shmctl_args shmctl_args; 782 struct sys_shmdt_args shmdt_args; 783 struct sys_shmget_args shmget_args; 784 785 786 switch (SCARG(uap, shmop)) { 787 case 0: /* Ultrix shmat() */ 788 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 789 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 790 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 791 return (sys_shmat(l, &shmat_args, retval)); 792 793 case 1: /* Ultrix shmctl() */ 794 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 795 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 796 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 797 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 798 799 case 2: /* Ultrix shmdt() */ 800 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 801 return (sys_shmdt(l, &shmdt_args, retval)); 802 803 case 3: /* Ultrix shmget() */ 804 SCARG(&shmget_args, key) = SCARG(uap, a2); 805 SCARG(&shmget_args, size) = SCARG(uap, a3); 806 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 807 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 808 return (sys_shmget(l, &shmget_args, retval)); 809 810 default: 811 return (EINVAL); 812 } 813 #else 814 return (EOPNOTSUPP); 815 #endif /* SYSVSHM */ 816 } 817 818 static int 819 ultrix_to_bsd_flock(ufl, fl) 820 struct ultrix_flock *ufl; 821 struct flock *fl; 822 { 823 824 fl->l_start = ufl->l_start; 825 fl->l_len = ufl->l_len; 826 fl->l_pid = ufl->l_pid; 827 fl->l_whence = ufl->l_whence; 828 829 switch (ufl->l_type) { 830 case ULTRIX_F_RDLCK: 831 fl->l_type = F_RDLCK; 832 break; 833 case ULTRIX_F_WRLCK: 834 fl->l_type = F_WRLCK; 835 break; 836 case ULTRIX_F_UNLCK: 837 fl->l_type = F_UNLCK; 838 break; 839 default: 840 return (EINVAL); 841 } 842 843 return (0); 844 } 845 846 static void 847 bsd_to_ultrix_flock(fl, ufl) 848 struct flock *fl; 849 struct ultrix_flock *ufl; 850 { 851 852 ufl->l_start = fl->l_start; 853 ufl->l_len = fl->l_len; 854 ufl->l_pid = fl->l_pid; 855 ufl->l_whence = fl->l_whence; 856 857 switch (fl->l_type) { 858 case F_RDLCK: 859 ufl->l_type = ULTRIX_F_RDLCK; 860 break; 861 case F_WRLCK: 862 ufl->l_type = ULTRIX_F_WRLCK; 863 break; 864 case F_UNLCK: 865 ufl->l_type = ULTRIX_F_UNLCK; 866 break; 867 } 868 } 869 870 int 871 ultrix_sys_fcntl(l, v, retval) 872 struct lwp *l; 873 void *v; 874 register_t *retval; 875 { 876 struct ultrix_sys_fcntl_args *uap = v; 877 struct proc *p = l->l_proc; 878 int error; 879 struct ultrix_flock ufl; 880 struct flock fl, *flp; 881 caddr_t sg; 882 struct sys_fcntl_args *args, fca; 883 884 switch (SCARG(uap, cmd)) { 885 case F_GETLK: 886 case F_SETLK: 887 case F_SETLKW: 888 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 889 if (error) 890 return (error); 891 error = ultrix_to_bsd_flock(&ufl, &fl); 892 if (error) 893 return (error); 894 sg = stackgap_init(p, 0); 895 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 896 error = copyout(&fl, flp, sizeof(*flp)); 897 if (error) 898 return (error); 899 900 SCARG(&fca, fd) = SCARG(uap, fd); 901 SCARG(&fca, cmd) = SCARG(uap, cmd); 902 SCARG(&fca, arg) = flp; 903 args = &fca; 904 break; 905 default: 906 args = v; 907 break; 908 } 909 910 error = sys_fcntl(l, args, retval); 911 if (error) 912 return (error); 913 914 switch (SCARG(uap, cmd)) { 915 case F_GETLK: 916 error = copyin(flp, &fl, sizeof(fl)); 917 if (error) 918 return (error); 919 bsd_to_ultrix_flock(&fl, &ufl); 920 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 921 break; 922 } 923 924 return (error); 925 } 926
Indexes created Fri Oct 03 02:09:57 GMT 2025